Some simplifications

Add typo exception
Implement V2 key rotation support
2026-10-23 01:48:09 +03:00 · 2026-09-23 23:53:12 +02:00 · 2026-09-23 23:30:19 +02:00 · 2026-09-23 23:30:19 +02:00 · 2026-09-23 23:30:18 +02:00
93 changed files with 3906 additions and 3426 deletions
@@ -78,7 +78,7 @@
 # DB_CONNECTION_RETRIES=15

 ## Database timeout
-## Timeout in seconds when acquiring database connection
+## Timeout when acquiring database connection
 # DATABASE_TIMEOUT=30

 ## Database idle timeout
@@ -173,14 +173,14 @@
 ## Defaults to daily. Set blank to disable this job. Also without EVENTS_DAYS_RETAIN set, this job will not start.
 # EVENT_CLEANUP_SCHEDULE="0 10 0 * * *"
 ## Number of days to retain events stored in the database.
-## If unset (the default) or 0, events are kept indefinitely and the scheduled job is disabled!
+## If unset (the default), events are kept indefinitely and the scheduled job is disabled!
 # EVENTS_DAYS_RETAIN=
 ##
 ## Cron schedule of the job that cleans old auth requests from the auth request.
 ## Defaults to every minute. Set blank to disable this job.
 # AUTH_REQUEST_PURGE_SCHEDULE="30 * * * * *"
 ##
-## Cron schedule of the job that cleans expired Duo contexts from the database. Does nothing if Duo MFA is disabled.
+## Cron schedule of the job that cleans expired Duo contexts from the database. Does nothing if Duo MFA is disabled or set to use the legacy iframe prompt.
 ## Defaults to every minute. Set blank to disable this job.
 # DUO_CONTEXT_PURGE_SCHEDULE="30 * * * * *"
 #
@@ -233,7 +233,7 @@
 # USER_SEND_LIMIT=

 ## Number of days to wait before auto-deleting a trashed item.
-## If unset (the default) or 0, trashed items are not auto-deleted.
+## If unset (the default), trashed items are not auto-deleted.
 ## This setting applies globally, so make sure to inform all users of any changes to this setting.
 # TRASH_AUTO_DELETE_DAYS=

@@ -338,8 +338,6 @@
 ## "local" accepts it from any non global address, which covers a reverse proxy running on the same
 ## host or container network. Use "all" to accept it from anywhere, or list the addresses of your
 ## proxy as IPs and CIDR ranges if it connects from a public address.
-## For a list header like X-Forwarded-For, the client IP is the rightmost address that isn't one of
-## these proxies, so with several proxies in a row (a CDN in front of nginx, for example) list all of them.
 # IP_HEADER_TRUSTED_PROXIES=local

 ## Icon service
@@ -393,16 +391,24 @@
 ## The following flags are available:
 ## - "pm-5594-safari-account-switching": Enable account switching in Safari. (Safari >= 2026.2.0)
 ## - "pm-32413-multi-client-password-management": Enable changing the master password directly in the client. (Desktop/Extension >= 2026.4.0)
+## - "ssh-agent": Enable SSH agent support on Desktop. (Desktop >= 2024.12.0)
 ## - "ssh-agent-v2": Enable newer SSH agent support. (Desktop >= 2026.2.1)
-## - "windows-desktop-autotype": Enable the autotype feature preview on Windows. (Desktop >= 2025.8.0)
-## - "windows-desktop-autotype-ga": Enable the new, still in development, autotype implementation on Windows. (Desktop >= 2026.9.1)
-##   Only enable one of the two autotype flags, the clients disable autotype completely when both are enabled.
+## - "ssh-key-vault-item": Enable the creation and use of SSH key vault items. (Clients >= 2024.12.0)
+## - "pm-25373-windows-biometrics-v2": Enable the new implementation of biometrics on Windows. (Desktop >= 2025.11.0)
+## - "pm-26340-linux-biometrics-v2": Enable the new implementation of biometrics on Linux. (Desktop >= 2025.11.0)
+## - "anon-addy-self-host-alias": Enable configuring self-hosted Anon Addy alias generator. (Android >= 2025.3.0, iOS >= 2025.4.0)
+## - "simple-login-self-host-alias": Enable configuring self-hosted Simple Login alias generator. (Android >= 2025.3.0, iOS >= 2025.4.0)
+## - "mutual-tls": Enable the use of mutual TLS on Android (Clients >= 2025.2.0)
+## - "cxp-import-mobile": Enable the import via CXP on iOS (Clients >= 2025.9.2)
+## - "cxp-export-mobile": Enable the export via CXP on iOS (Clients >= 2025.9.2)
 ## - "pm-30529-webauthn-related-origins":
 ## - "pm-32009-new-item-types": Enable new item types: Bank Account, Driver's License, and Passport (Clients >= 2026.4.0)
 ## - "pm-34171-card-scanner": Enable the new card scanner feature on mobile (Android >= 2026.4.1, iOS >= 2026.4.1)
+## - "desktop-ui-migration-milestone-1": Special feature flag for desktop UI (Desktop >= 2026.2.0)
+## - "desktop-ui-migration-milestone-2": Special feature flag for desktop UI (Desktop >= 2026.2.0)
+## - "desktop-ui-migration-milestone-3": Special feature flag for desktop UI (Desktop >= 2026.2.0)
+## - "desktop-ui-migration-milestone-4": Special feature flag for desktop UI (Desktop >= 2026.2.0)
 ## - "enable-basic-auth-response": Enable HTTP Basic Auth autofill in the browser extension (Browser >= 2026.9.0)
-## - "undetermined-cipher-scenario-logic": Enable the rewritten add/update login notification triggering logic in the browser extension (Browser >= 2026.2.0)
-## - "biometrics-sdk-ipc": Enable biometric unlock over the SDK IPC framework (Desktop >= 2026.9.0, Browser >= 2026.9.0)
 # EXPERIMENTAL_CLIENT_FEATURE_FLAGS=

 ## Require new device emails. When a user logs in an email is required to be sent.
@@ -463,7 +469,7 @@

 ## Allowed connect-src (Know the risks!)
 ## https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/connect-src
-## Allows other domains for URLs which can be loaded using script interfaces like the Forwarded email alias feature
+## Allows other domains to URLs which can be loaded using script interfaces like the Forwarded email alias feature
 ## This adds the configured value to the 'Content-Security-Policy' headers 'connect-src' value.
 ## Multiple values must be separated with a whitespace. And only HTTPS values are allowed.
 ## Example: "https://my-addy-io.domain.tld https://my-simplelogin.domain.tld"
@@ -581,6 +587,11 @@
 # DUO_HOST=<API Hostname>
 ## After that, you should be able to follow the rest of the guide linked above,
 ## ignoring the fields that ask for the values that you already configured beforehand.
+##
+## If you want to attempt to use Duo's 'Traditional Prompt' (deprecated, iframe based) set DUO_USE_IFRAME to 'true'.
+## Duo no longer supports this, but it still works for some integrations.
+## If you aren't sure, leave this alone.
+# DUO_USE_IFRAME=false

 ## Email 2FA settings
 ## Email token size
@@ -113,7 +113,7 @@ jobs:

      # Enable Rust Caching
      - name: Rust Caching
-        uses: Swatinem/rust-cache@d1527c8f67ef9af357290475d4af4b0fab8f12e0 # v2.9.3
+        uses: Swatinem/rust-cache@6323deb102c322ba6fcbdcafc7e3dddab59af2b6 # v2.9.2
        with:
          # Use a custom prefix-key to force a fresh start. This is sometimes needed with bigger changes.
          # Like changing the build host from Ubuntu 20.04 to 22.04 for example.
@@ -185,7 +185,7 @@ jobs:

      - name: Bake ${{ matrix.base_image }} containers
        id: bake_vw
-        uses: docker/bake-action@59cb1203cd42bcefd40a1b6d73b589e48c86040e # v7.5.0
+        uses: docker/bake-action@018cb6412ab401ebaa809aa5f85966b74628600f # v7.4.0
        env:
          BASE_TAGS: "${{ steps.determine-version.outputs.BASE_TAGS }}"
          SOURCE_COMMIT: "${{ env.SOURCE_COMMIT }}"
@@ -222,7 +222,7 @@ jobs:
          touch "${RUNNER_TEMP}/digests/${digest#sha256:}"

      - name: Upload digest
-        uses: actions/upload-artifact@cf430e030ddbb5b0abf93d22962f4752f3646cd9 # v7.0.2
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        with:
          name: digests-${{ env.NORMALIZED_ARCH }}-${{ matrix.base_image }}
          path: ${{ runner.temp }}/digests/*
@@ -242,7 +242,7 @@ jobs:
          subject-path: vaultwarden-${{ env.NORMALIZED_ARCH }}

      - name: Upload binaries as artifacts
-        uses: actions/upload-artifact@cf430e030ddbb5b0abf93d22962f4752f3646cd9 # v7.0.2
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        with:
          name: vaultwarden-${{ env.SOURCE_VERSION }}-linux-${{ env.NORMALIZED_ARCH }}-${{ matrix.base_image }}
          path: vaultwarden-${{ env.NORMALIZED_ARCH }}
@@ -264,7 +264,7 @@ jobs:

    steps:
      - name: Download digests
-        uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
+        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
        with:
          path: ${{ runner.temp }}/digests
          pattern: digests-*-${{ matrix.base_image }}
@@ -50,6 +50,6 @@ jobs:
          severity: CRITICAL,HIGH

      - name: Upload Trivy scan results to GitHub Security tab
-        uses: github/codeql-action/upload-sarif@9b3254085494b55a0f7c4c2b3d2d52cc712ce370 # v4.39.1
+        uses: github/codeql-action/upload-sarif@1c5b675653bb5c22dbe9b12b556ec555138e09fd # v4.38.1
        with:
          sarif_file: 'trivy-results.sarif'
@@ -23,4 +23,4 @@ jobs:

      # When this version is updated, do not forget to update this in `.pre-commit-config.yaml` too
      - name: Spell Check Repo
-        uses: crate-ci/typos@7f9d0819ca1c008ade73f4b41fa9d258d48f605b # v1.51.1
+        uses: crate-ci/typos@512fc24f32f44ab01972217aaaf3dc86ec234d53 # v1.50.2
@@ -24,7 +24,7 @@ jobs:
          persist-credentials: false

      - name: Run zizmor
-        uses: zizmorcore/zizmor-action@85b2b9fb8e3325e7a23d7d0a9d7ba5ae0f999e3e # v0.7.1
+        uses: zizmorcore/zizmor-action@cc914d7f3750a2d13d75c7f184a1060aa0e9d482 # v0.6.4
        with:
          # intentionally not scanning the entire repository,
          # since it contains integration tests.
@@ -18,7 +18,7 @@ repos:

  # When this version is updated, do not forget to update this in `.github/workflows/typos.yaml` too
  - repo: https://github.com/crate-ci/typos
-    rev: 7f9d0819ca1c008ade73f4b41fa9d258d48f605b # v1.51.1
+    rev: 512fc24f32f44ab01972217aaaf3dc86ec234d53 # v1.50.2
    hooks:
      - id: typos
        always_run: true
@@ -15,8 +15,10 @@ extend-ignore-re = [
    "(?i)helo_name",
    "Server name sent during.+HELO",
    # COSE Is short for CBOR Object Signing and Encryption, ignore these specific items
+    "COSE",
    "COSEKey",
    "COSEAlgorithm",
+    "CoseEncrypt0",
    # Ignore this specific string as it's valid
    "Ensure they are valid OTPs",
    # This word is misspelled upstream
@@ -1,6 +1,6 @@
 [workspace.package]
 edition = "2024"
-rust-version = "1.97.1"
+rust-version = "1.96.1"
 license = "AGPL-3.0-only"
 repository = "https://github.com/dani-garcia/vaultwarden"
 publish = false
@@ -77,7 +77,7 @@ dotenvy = { version = "0.15.7", default-features = false }
 # Numerical libraries
 num-traits = "0.2.19"
 num-derive = "0.5.1"
-bigdecimal = "0.4.11"
+bigdecimal = "0.4.10"

 # Web framework
 rocket = { version = "0.5.1", default-features = false, features = ["json", "tls"] }
@@ -91,7 +91,7 @@ dashmap = "6.2.1"

 # Async futures
 futures = "0.3.34"
-tokio = { version = "1.54.1", features = [
+tokio = { version = "1.53.1", features = [
    "fs",
    "io-util",
    "net",
@@ -100,14 +100,14 @@ tokio = { version = "1.54.1", features = [
    "signal",
    "time",
 ] }
-tokio-util = { version = "0.7.20", features = ["compat"] }
+tokio-util = { version = "0.7.19", features = ["compat"] }

 # A generic serialization/deserialization framework
 serde = { version = "1.0.229", features = ["derive"] }
-serde_json = "1.0.154"
+serde_json = "1.0.151"

 # A safe, extensible ORM and Query builder
-diesel = { version = "2.3.14", features = ["chrono", "r2d2", "numeric"] }
+diesel = { version = "2.3.13", features = ["chrono", "r2d2", "numeric", "64-column-tables"] }
 diesel_migrations = "2.3.2"

 derive_more = { version = "2.1.1", features = [
@@ -123,13 +123,13 @@ diesel-derive-newtype = "2.1.3"
 libsqlite3-sys = { version = "0.38.2", optional = true }

 # Crypto-related libraries
-rand = "0.10.3"
+rand = "0.10.2"
 ring = "0.17.14"
-rustls = { version = "0.23.46", features = ["ring", "std"], default-features = false }
+rustls = { version = "0.23.45", features = ["ring", "std"], default-features = false }
 subtle = "2.6.1"

 # UUID generation
-uuid = { version = "1.28.0", features = ["v4"] }
+uuid = { version = "1.26.1", features = ["v4"] }

 # Date and time libraries
 chrono = { version = "0.4.45", default-features = false, features = ["clock", "serde"] }
@@ -215,7 +215,7 @@ bytes = "1.12.1"
 svg-hush = "0.9.7"

 # Cache function results (Used for version check and favicon fetching)
-cached = { version = "4.0.3", features = ["async"] }
+cached = { version = "4.0.0", features = ["async"] }

 # Used for custom short lived cookie jar during favicon extraction
 cookie = "0.18.2"
@@ -257,21 +257,21 @@ rpassword = "7.5.4"
 grass_compiler = { version = "0.13.4", default-features = false }

 # File are accessed through Apache OpenDAL
-opendal = { version = "0.59.5", default-features = false, features = ["services-fs"] }
-opendal-http-transport-reqwest = { version = "0.59.5", default-features = false, features = ["rustls-no-provider"], optional = true }
+opendal = { version = "0.59.2", default-features = false, features = ["services-fs"] }
+opendal-http-transport-reqwest = { version = "0.59.2", default-features = false, features = ["rustls-no-provider"], optional = true }

 # For retrieving AWS credentials, including temporary SSO credentials
-aws-config = { version = "1.13.0", optional = true, default-features = false, features = [
+aws-config = { version = "1.12.0", optional = true, default-features = false, features = [
    "behavior-version-latest",
    "credentials-process",
    "rt-tokio",
    "sso",
 ] }
-aws-credential-types = { version = "1.3.1", optional = true }
-aws-smithy-runtime-api = { version = "1.19.1", optional = true }
+aws-credential-types = { version = "1.3.0", optional = true }
+aws-smithy-runtime-api = { version = "1.16.2", optional = true }
 http = { version = "1.5.0", optional = true }
-reqsign-aws-v4 = { version = "3.3.1", optional = true }
-reqsign-core = { version = "3.3.2", optional = true }
+reqsign-aws-v4 = { version = "3.3.0", optional = true }
+reqsign-core = { version = "3.3.1", optional = true }

 # Strip debuginfo from the release builds
 # The debug symbols are to provide better panic traces
@@ -1,10 +1,10 @@
 ---
-vault_version: "v2026.8.0"
-vault_image_digest: "sha256:632375471c7c06a799335cd74dfeaef63f92f45f9cd322c337ae7ad70081e48a"
-# Cross Compile Docker Helper Scripts v1.10.0
+vault_version: "v2026.7.0"
+vault_image_digest: "sha256:ba8bab66d4330ab9dbafa8f245bcbe99cf6ee3f2c8ce9b5fbb10e9c49658451c"
+# Cross Compile Docker Helper Scripts v1.9.0
 # We use the linux/amd64 platform shell scripts since there is no difference between the different platform scripts
 # https://github.com/tonistiigi/xx | https://hub.docker.com/r/tonistiigi/xx/tags
-xx_image_digest: "sha256:40fe21f44bb8cddf1eb1226db190d0a984118f62ee02a91b77d99448d28264a6"
+xx_image_digest: "sha256:c64defb9ed5a91eacb37f96ccc3d4cd72521c4bd18d5442905b95e2226b0e707"
 # The `rust_version` variable is extracted from `rust-toolchain.toml`
 # rust_version: x.yy.z # Rust version to be used
 debian_version: trixie # Debian release name to be used
@@ -19,23 +19,23 @@
 # - From https://hub.docker.com/r/vaultwarden/web-vault/tags,
 #   click the tag name to view the digest of the image it currently points to.
 # - From the command line:
-#     $ docker pull docker.io/vaultwarden/web-vault:v2026.8.0
-#     $ docker image inspect --format "{{.RepoDigests}}" docker.io/vaultwarden/web-vault:v2026.8.0
-#     [docker.io/vaultwarden/web-vault@sha256:632375471c7c06a799335cd74dfeaef63f92f45f9cd322c337ae7ad70081e48a]
+#     $ docker pull docker.io/vaultwarden/web-vault:v2026.7.0
+#     $ docker image inspect --format "{{.RepoDigests}}" docker.io/vaultwarden/web-vault:v2026.7.0
+#     [docker.io/vaultwarden/web-vault@sha256:ba8bab66d4330ab9dbafa8f245bcbe99cf6ee3f2c8ce9b5fbb10e9c49658451c]
 #
 # - Conversely, to get the tag name from the digest:
-#     $ docker image inspect --format "{{.RepoTags}}" docker.io/vaultwarden/web-vault@sha256:632375471c7c06a799335cd74dfeaef63f92f45f9cd322c337ae7ad70081e48a
-#     [docker.io/vaultwarden/web-vault:v2026.8.0]
+#     $ docker image inspect --format "{{.RepoTags}}" docker.io/vaultwarden/web-vault@sha256:ba8bab66d4330ab9dbafa8f245bcbe99cf6ee3f2c8ce9b5fbb10e9c49658451c
+#     [docker.io/vaultwarden/web-vault:v2026.7.0]
 #
-FROM --platform=linux/amd64 docker.io/vaultwarden/web-vault@sha256:632375471c7c06a799335cd74dfeaef63f92f45f9cd322c337ae7ad70081e48a AS vault
+FROM --platform=linux/amd64 docker.io/vaultwarden/web-vault@sha256:ba8bab66d4330ab9dbafa8f245bcbe99cf6ee3f2c8ce9b5fbb10e9c49658451c AS vault

 ########################## ALPINE BUILD IMAGES ##########################
 ## NOTE: The Alpine Base Images do not support other platforms then linux/amd64 and linux/arm64
 ## And for Alpine we define all build images here, they will only be loaded when actually used
-FROM --platform=$BUILDPLATFORM ghcr.io/blackdex/rust-musl:x86_64-musl-stable-1.99.1 AS build_amd64
-FROM --platform=$BUILDPLATFORM ghcr.io/blackdex/rust-musl:aarch64-musl-stable-1.99.1 AS build_arm64
-FROM --platform=$BUILDPLATFORM ghcr.io/blackdex/rust-musl:armv7-musleabihf-stable-1.99.1 AS build_armv7
-FROM --platform=$BUILDPLATFORM ghcr.io/blackdex/rust-musl:arm-musleabi-stable-1.99.1 AS build_armv6
+FROM --platform=$BUILDPLATFORM ghcr.io/blackdex/rust-musl:x86_64-musl-stable-1.98.1 AS build_amd64
+FROM --platform=$BUILDPLATFORM ghcr.io/blackdex/rust-musl:aarch64-musl-stable-1.98.1 AS build_arm64
+FROM --platform=$BUILDPLATFORM ghcr.io/blackdex/rust-musl:armv7-musleabihf-stable-1.98.1 AS build_armv7
+FROM --platform=$BUILDPLATFORM ghcr.io/blackdex/rust-musl:arm-musleabi-stable-1.98.1 AS build_armv6

 ########################## BUILD IMAGE ##########################
 # hadolint ignore=DL3006
@@ -19,24 +19,24 @@
 # - From https://hub.docker.com/r/vaultwarden/web-vault/tags,
 #   click the tag name to view the digest of the image it currently points to.
 # - From the command line:
-#     $ docker pull docker.io/vaultwarden/web-vault:v2026.8.0
-#     $ docker image inspect --format "{{.RepoDigests}}" docker.io/vaultwarden/web-vault:v2026.8.0
-#     [docker.io/vaultwarden/web-vault@sha256:632375471c7c06a799335cd74dfeaef63f92f45f9cd322c337ae7ad70081e48a]
+#     $ docker pull docker.io/vaultwarden/web-vault:v2026.7.0
+#     $ docker image inspect --format "{{.RepoDigests}}" docker.io/vaultwarden/web-vault:v2026.7.0
+#     [docker.io/vaultwarden/web-vault@sha256:ba8bab66d4330ab9dbafa8f245bcbe99cf6ee3f2c8ce9b5fbb10e9c49658451c]
 #
 # - Conversely, to get the tag name from the digest:
-#     $ docker image inspect --format "{{.RepoTags}}" docker.io/vaultwarden/web-vault@sha256:632375471c7c06a799335cd74dfeaef63f92f45f9cd322c337ae7ad70081e48a
-#     [docker.io/vaultwarden/web-vault:v2026.8.0]
+#     $ docker image inspect --format "{{.RepoTags}}" docker.io/vaultwarden/web-vault@sha256:ba8bab66d4330ab9dbafa8f245bcbe99cf6ee3f2c8ce9b5fbb10e9c49658451c
+#     [docker.io/vaultwarden/web-vault:v2026.7.0]
 #
-FROM --platform=linux/amd64 docker.io/vaultwarden/web-vault@sha256:632375471c7c06a799335cd74dfeaef63f92f45f9cd322c337ae7ad70081e48a AS vault
+FROM --platform=linux/amd64 docker.io/vaultwarden/web-vault@sha256:ba8bab66d4330ab9dbafa8f245bcbe99cf6ee3f2c8ce9b5fbb10e9c49658451c AS vault

 ########################## Cross Compile Docker Helper Scripts ##########################
 ## We use the linux/amd64 no matter which Build Platform, since these are all bash scripts
 ## And these bash scripts do not have any significant difference if at all
-FROM --platform=linux/amd64 docker.io/tonistiigi/xx@sha256:40fe21f44bb8cddf1eb1226db190d0a984118f62ee02a91b77d99448d28264a6 AS xx
+FROM --platform=linux/amd64 docker.io/tonistiigi/xx@sha256:c64defb9ed5a91eacb37f96ccc3d4cd72521c4bd18d5442905b95e2226b0e707 AS xx

 ########################## BUILD IMAGE ##########################
 # hadolint ignore=DL3006
-FROM --platform=$BUILDPLATFORM docker.io/library/rust:1.99.1-slim-trixie AS build
+FROM --platform=$BUILDPLATFORM docker.io/library/rust:1.98.1-slim-trixie AS build
 # hadolint ignore=DL3067
 COPY --from=xx / /
 ARG TARGETARCH
@@ -101,17 +101,9 @@ RUN . /env-cargo && \
    # https://github.com/tonistiigi/xx/pull/108#issuecomment-3700635977
    # https://github.com/dani-garcia/vaultwarden/discussions/7522
    if xx-info is-cross; then \
-        XX_RUSTFLAGS="-Clink-arg=-Wl,-rpath-link,/usr/lib/$(xx-info triple)"; \
+        XX_RUSTFLAGS="-C link-arg=-Wl,-rpath-link,/usr/lib/$(xx-info triple)"; \
+        export XX_RUSTFLAGS; \
    fi && \
-    # Debian's GCC adds a special fix for cortex-a53 arch's which gets losts when using xx-cargo, which uses clang
-    # Checking if the arch is arm64 and adding this extra link-arg should cause this fix to be applied
-    # This should fix issues reported when running on a RPi3 which is a Cortex-A35 chip
-    # See: https://salsa.debian.org/toolchain-team/gcc/-/blob/master/debian/rules2?pow_referer=#L543-548
-    # See: https://github.com/dani-garcia/vaultwarden/issues/7754
-    if [ "$(xx-info arch)" = "arm64" ]; then \
-        XX_RUSTFLAGS="${XX_RUSTFLAGS} -Clink-arg=-Wl,--fix-cortex-a53-843419"; \
-    fi && \
-    export XX_RUSTFLAGS && \
    PKG_CONFIG="$(command -v "$(xx-info)-pkg-config")" xx-cargo build --features ${DB} --profile "${CARGO_PROFILE}" && \
    find . -not -path "./target*" -delete

@@ -131,17 +123,9 @@ RUN . /env-cargo && \
    # https://github.com/tonistiigi/xx/pull/108#issuecomment-3700635977
    # https://github.com/dani-garcia/vaultwarden/discussions/7522
    if xx-info is-cross; then \
-        XX_RUSTFLAGS="-Clink-arg=-Wl,-rpath-link,/usr/lib/$(xx-info triple)"; \
+        XX_RUSTFLAGS="-C link-arg=-Wl,-rpath-link,/usr/lib/$(xx-info triple)"; \
+        export XX_RUSTFLAGS; \
    fi && \
-    # Debian's GCC adds a special fix for cortex-a53 arch's which gets losts when using xx-cargo, which uses clang
-    # Checking if the arch is arm64 and adding this extra link-arg should cause this fix to be applied
-    # This should fix issues reported when running on a RPi3 which is a Cortex-A35 chip
-    # See: https://salsa.debian.org/toolchain-team/gcc/-/blob/master/debian/rules2?pow_referer=#L543-548
-    # See: https://github.com/dani-garcia/vaultwarden/issues/7754
-    if [ "$(xx-info arch)" = "arm64" ]; then \
-        XX_RUSTFLAGS="${XX_RUSTFLAGS} -Clink-arg=-Wl,--fix-cortex-a53-843419"; \
-    fi && \
-    export XX_RUSTFLAGS && \
    PKG_CONFIG="$(command -v "$(xx-info)-pkg-config")" xx-cargo build --features ${DB} --profile "${CARGO_PROFILE}" && \
    if [ "${CARGO_PROFILE}" = "dev" ] ; then \
        ln -vfsr "/app/target/${CARGO_TARGET}/debug" /app/target/final ; \
@@ -32,17 +32,9 @@
    # https://github.com/tonistiigi/xx/pull/108#issuecomment-3700635977
    # https://github.com/dani-garcia/vaultwarden/discussions/7522
    if xx-info is-cross; then \
-        XX_RUSTFLAGS="-Clink-arg=-Wl,-rpath-link,/usr/lib/$(xx-info triple)"; \
+        XX_RUSTFLAGS="-C link-arg=-Wl,-rpath-link,/usr/lib/$(xx-info triple)"; \
+        export XX_RUSTFLAGS; \
    fi && \
-    # Debian's GCC adds a special fix for cortex-a53 arch's which gets losts when using xx-cargo, which uses clang
-    # Checking if the arch is arm64 and adding this extra link-arg should cause this fix to be applied
-    # This should fix issues reported when running on a RPi3 which is a Cortex-A35 chip
-    # See: https://salsa.debian.org/toolchain-team/gcc/-/blob/master/debian/rules2?pow_referer=#L543-548
-    # See: https://github.com/dani-garcia/vaultwarden/issues/7754
-    if [ "$(xx-info arch)" = "arm64" ]; then \
-        XX_RUSTFLAGS="${XX_RUSTFLAGS} -Clink-arg=-Wl,--fix-cortex-a53-843419"; \
-    fi && \
-    export XX_RUSTFLAGS && \
    PKG_CONFIG="$(command -v "$(xx-info)-pkg-config")" xx-cargo build --features ${DB} --profile "${CARGO_PROFILE}"
 {%- endmacro %}
 FROM --platform=linux/amd64 docker.io/vaultwarden/web-vault@{{ vault_image_digest }} AS vault
@@ -15,7 +15,6 @@ Some unsupported platforms for Debian based images. These are not built and test
 - 386     (linux/386)
 - ppc64le (linux/ppc64le)
 - s390x   (linux/s390x)
- riscv64 (linux/riscv64)

 To build these containers you need to enable QEMU binfmt support to be able to run/emulate architectures which are different then your host.<br>
 This ensures the container build process can run binaries from other architectures.<br>
@@ -148,12 +148,6 @@ target "debian-s390x" {
  platforms = ["linux/s390x"]
  tags = generate_tags("", "-s390x")
 }
-
-target "debian-riscv64" {
-  inherits = ["debian"]
-  platforms = ["linux/riscv64"]
-  tags = generate_tags("", "-riscv64")
-}
 // ==== End of unsupported Debian architecture targets ===

 // A Group to build all platforms individually for local testing
@@ -14,7 +14,7 @@ proc-macro = true

 [dependencies]
 quote = "1.0.47"
-syn = "3.0.9"
+syn = "3.0.6"

 [lints]
 workspace = true
@@ -0,0 +1,7 @@
+DROP TABLE IF EXISTS user_signature_key_pairs;
+
+ALTER TABLE users DROP COLUMN signed_public_key;
+ALTER TABLE users DROP COLUMN security_state;
+ALTER TABLE users DROP COLUMN security_version;
+ALTER TABLE users DROP COLUMN v2_upgrade_token;
+ALTER TABLE users_organizations DROP COLUMN v2_upgrade_token;
@@ -0,0 +1,16 @@
+ALTER TABLE users ADD COLUMN signed_public_key TEXT;
+ALTER TABLE users ADD COLUMN security_state TEXT;
+ALTER TABLE users ADD COLUMN security_version INTEGER;
+ALTER TABLE users ADD COLUMN v2_upgrade_token TEXT;
+ALTER TABLE users_organizations ADD COLUMN v2_upgrade_token TEXT;
+
+CREATE TABLE user_signature_key_pairs (
+    uuid                CHAR(36) NOT NULL PRIMARY KEY,
+    user_uuid           CHAR(36) NOT NULL UNIQUE,
+    signature_algorithm INTEGER  NOT NULL, -- 0 = ed25519, 1 = mldsa44
+    signing_key         TEXT     NOT NULL,
+    verifying_key       TEXT     NOT NULL,
+    created_at          DATETIME NOT NULL,
+    updated_at          DATETIME NOT NULL,
+    FOREIGN KEY (user_uuid) REFERENCES users (uuid) ON DELETE CASCADE
+);
@@ -1 +0,0 @@
-ALTER TABLE org_policies DROP COLUMN revision_date;
@@ -1,7 +0,0 @@
-- DATETIME (not TIMESTAMP) to match this repo's convention for revision_date
-- columns elsewhere, and to avoid MySQL's implicit session-timezone
-- conversion and 2038 range limit on TIMESTAMP.
-ALTER TABLE org_policies
-ADD COLUMN revision_date DATETIME NOT NULL DEFAULT '1970-01-01 00:00:00';
-
-UPDATE org_policies SET revision_date = UTC_TIMESTAMP();
@@ -0,0 +1,7 @@
+DROP TABLE IF EXISTS user_signature_key_pairs;
+
+ALTER TABLE users DROP COLUMN signed_public_key;
+ALTER TABLE users DROP COLUMN security_state;
+ALTER TABLE users DROP COLUMN security_version;
+ALTER TABLE users DROP COLUMN v2_upgrade_token;
+ALTER TABLE users_organizations DROP COLUMN v2_upgrade_token;
@@ -0,0 +1,15 @@
+ALTER TABLE users ADD COLUMN signed_public_key TEXT;
+ALTER TABLE users ADD COLUMN security_state TEXT;
+ALTER TABLE users ADD COLUMN security_version INTEGER;
+ALTER TABLE users ADD COLUMN v2_upgrade_token TEXT;
+ALTER TABLE users_organizations ADD COLUMN v2_upgrade_token TEXT;
+
+CREATE TABLE user_signature_key_pairs (
+    uuid                CHAR(36) NOT NULL PRIMARY KEY,
+    user_uuid           CHAR(36) NOT NULL UNIQUE REFERENCES users (uuid) ON DELETE CASCADE,
+    signature_algorithm INTEGER  NOT NULL, -- 0 = ed25519, 1 = mldsa44
+    signing_key         TEXT     NOT NULL,
+    verifying_key       TEXT     NOT NULL,
+    created_at          TIMESTAMP NOT NULL,
+    updated_at          TIMESTAMP NOT NULL
+);
@@ -1 +0,0 @@
-ALTER TABLE org_policies DROP COLUMN revision_date;
@@ -1,9 +0,0 @@
-- Backfill via `now() AT TIME ZONE 'utc'` rather than a DEFAULT of now():
-- assigning timestamptz now() into a naive TIMESTAMP column casts through
-- the server's TimeZone GUC, so a DEFAULT now() would store local wall-clock
-- instead of UTC on non-UTC servers, unlike every other naive-UTC timestamp
-- column in this schema.
-ALTER TABLE org_policies
-ADD COLUMN revision_date TIMESTAMP NOT NULL DEFAULT '1970-01-01 00:00:00';
-
-UPDATE org_policies SET revision_date = (now() AT TIME ZONE 'utc');
@@ -0,0 +1,7 @@
+DROP TABLE IF EXISTS user_signature_key_pairs;
+
+ALTER TABLE users DROP COLUMN signed_public_key;
+ALTER TABLE users DROP COLUMN security_state;
+ALTER TABLE users DROP COLUMN security_version;
+ALTER TABLE users DROP COLUMN v2_upgrade_token;
+ALTER TABLE users_organizations DROP COLUMN v2_upgrade_token;
@@ -0,0 +1,15 @@
+ALTER TABLE users ADD COLUMN signed_public_key TEXT;
+ALTER TABLE users ADD COLUMN security_state TEXT;
+ALTER TABLE users ADD COLUMN security_version INTEGER;
+ALTER TABLE users ADD COLUMN v2_upgrade_token TEXT;
+ALTER TABLE users_organizations ADD COLUMN v2_upgrade_token TEXT;
+
+CREATE TABLE user_signature_key_pairs (
+    uuid                TEXT     NOT NULL PRIMARY KEY,
+    user_uuid           TEXT     NOT NULL UNIQUE REFERENCES users (uuid) ON DELETE CASCADE,
+    signature_algorithm INTEGER  NOT NULL, -- 0 = ed25519, 1 = mldsa44
+    signing_key         TEXT     NOT NULL,
+    verifying_key       TEXT     NOT NULL,
+    created_at          DATETIME NOT NULL,
+    updated_at          DATETIME NOT NULL
+);
@@ -1,6 +0,0 @@
-- SQLite forbids non-constant defaults in ALTER TABLE ... ADD COLUMN, so add
-- the column with a constant placeholder and backfill separately.
-ALTER TABLE org_policies
-ADD COLUMN revision_date DATETIME NOT NULL DEFAULT '1970-01-01 00:00:00';
-
-UPDATE org_policies SET revision_date = CURRENT_TIMESTAMP;
@@ -2,7 +2,7 @@

 This allows running integration tests using [Playwright](https://playwright.dev/).
 \
-It uses its own [test.env](./test.env) with different ports to not collide with a running dev instance.
+It usse its own [test.env](/test/scenarios/test.env) with different ports to not collide with a running dev instance.

 ## Install

@@ -62,7 +62,7 @@ DOCKER_BUILDKIT=1 docker compose --profile playwright --env-file test.env run Pl

 ### Keep services running

-If you want you can keep the DB and Keycloak running (states are not impacted by the tests):
+If you want you can keep the DB and Keycloak runnning (states are not impacted by the tests):

 ```bash
 PW_KEEP_SERVICE_RUNNING=true npx playwright test
@@ -1,131 +0,0 @@
-import { test, expect, type Page, type TestInfo, Test } from '@playwright/test';
-import { MailDev } from 'maildev';
-
-import * as utils from "../global-utils";
-import { createAccount, logUser } from './setups/user';
-import { activateTOTP } from './setups/2fa';
-
-let users = utils.loadEnv();
-let mailserver;
-
-test.beforeAll('Setup', async ({ browser }, testInfo: TestInfo) => {
-    mailserver = new MailDev({
-        port: process.env.MAILDEV_SMTP_PORT,
-        web: { port: process.env.MAILDEV_HTTP_PORT },
-    })
-
-    await mailserver.listen();
-
-    await utils.startVault(browser, testInfo, {
-        SMTP_HOST: process.env.MAILDEV_HOST,
-        SMTP_FROM: process.env.PW_SMTP_FROM,
-    });
-});
-
-test.afterAll('Teardown', async ({}) => {
-    utils.stopVault();
-    if( mailserver ){
-        await mailserver.close();
-    }
-});
-
-async function emergencyAccess(test: Test, page: Page, user: { name: string }) {
-    await test.step('Navigate', async () => {
-        await page.getByRole('button', { name: user.name }).click();
-        await page.getByRole('menuitem', { name: 'Account settings' }).click();
-        await page.getByRole('link', { name: 'Emergency access' }).click();
-        await expect(page.locator('#main-content').getByText('Emergency access', { exact: true })).toBeVisible();
-    });
-}
-
-test('Emergency access', async ({ browser, page }) => {
-    const context2 = await browser.newContext();
-    const page2 = await context2.newPage();
-
-    const mailBuffer = mailserver.buffer(users.user1.email);
-    const mailBuffer2 = mailserver.buffer(users.user2.email);
-
-    await createAccount(test, page, users.user1);
-    await createAccount(test, page2, users.user2);
-
-    await test.step('Add test2', async () => {
-        await emergencyAccess(test, page, users.user1);
-        await page.getByRole('button', { name: 'Add emergency contact' }).click();
-        await page.getByRole('textbox', { name: 'Email * (required)' }).fill(users.user2.email);
-        await page.getByRole('radio', { name: 'Takeover Can reset your' }).check();
-        await page.getByRole('button', { name: 'Save' }).click();
-        await utils.checkNotification(page, 'User(s) invited');
-    });
-
-    await test.step('Accept', async () => {
-        const email = await mailBuffer2.expect((m) => m.subject === "Emergency access for " + users.user1.name);
-        const pageE = await context2.newPage();
-        await pageE.setContent(email.html);
-        const link = await pageE.getByTestId("emergency").getAttribute("href");
-        await pageE.close();
-
-        await page2.goto(link);
-        await utils.checkNotification(page2, 'Invitation accepted');
-    });
-
-    await test.step('Confirm', async () => {
-        await emergencyAccess(test, page, users.user1);
-        await expect(page.locator('#main-content').getByText('Needs confirmation')).toBeVisible();
-        await page.getByRole('button', { name: 'Options' }).click();
-        await page.getByRole('menuitem', { name: 'Confirm' }).click();
-        await page.getByRole('button', { name: 'Confirm' }).click();
-        await utils.checkNotification(page, users.user2.name + ' confirmed');
-        await mailBuffer2.expect((m) => m.subject === "Emergency access contact for " + users.user1.name + " confirmed");
-    });
-
-    await test.step('Request', async () => {
-        await emergencyAccess(test, page2, users.user2);
-        await page2.getByRole('button', { name: 'Options' }).click();
-        await page2.getByRole('menuitem', { name: 'Request Access' }).click();
-        await page2.getByRole('button', { name: 'Request Access' }).click();
-        await utils.checkNotification(page2, 'Emergency access requested');
-        await mailBuffer.expect((m) => m.subject === "Emergency access request by " + users.user2.name + " initiated");
-    });
-
-    await test.step('Approved', async () => {
-        await emergencyAccess(test, page, users.user1);
-        await page.getByRole('button', { name: 'Options' }).click();
-        await page.getByRole('menuitem', { name: 'Approve' }).click();
-        await page.getByRole('button', { name: 'Approve' }).click();
-        await utils.checkNotification(page, 'Emergency access approved');
-        await mailBuffer2.expect((m) => m.subject === "Emergency access request for " + users.user1.name + " approved");
-    });
-    await activateTOTP(test, page, users.user1);
-
-    let newPassword = "TotoNewPassword";
-    await test.step('Access', async () => {
-        await emergencyAccess(test, page2, users.user2);
-        await page2.getByRole('button', { name: 'Options' }).click();
-        await page2.getByRole('menuitem', { name: 'Takeover' }).click();
-        await page2.getByRole('textbox', { name: 'New master password * (required)', exact: true }).fill(newPassword);
-        await page2.getByRole('textbox', { name: 'Confirm new master password' }).fill(newPassword);
-        await page2.getByRole('button', { name: 'Save' }).click();
-        await utils.checkNotification(page2, 'Password reset for ' + users.user1.name);
-    });
-
-    await test.step('Changed no 2fa', async () => {
-        users.user1.password = newPassword;
-        await logUser(test, page, users.user1);
-    });
-
-    await test.step('Reject', async () => {
-        await emergencyAccess(test, page, users.user1);
-        await page.getByRole('button', { name: 'Options' }).click();
-        await page.getByRole('menuitem', { name: 'Reject' }).click();
-        await utils.checkNotification(page, 'Emergency access rejected');
-        await mailBuffer2.expect((m) => m.subject === "Emergency access request to " + users.user1.name + " rejected");
-    });
-
-    await test.step('Remove', async () => {
-        await page.getByRole('button', { name: 'Options' }).click();
-        await page.getByRole('menuitem', { name: 'Remove' }).click();
-        await page.getByRole('button', { name: 'Yes' }).click();
-        await utils.checkNotification(page, 'Removed user ' + users.user2.name);
-        await expect(page.getByText('You have not added any emergency contacts')).toBeVisible();
-    });
-});
@@ -3,7 +3,7 @@ import * as OTPAuth from "otpauth";

 import * as utils from "../global-utils";
 import { createAccount, logUser } from './setups/user';
-import { activateTOTP, disableTOTP, recoveryCodes } from './setups/2fa';
+import { activateTOTP, disableTOTP } from './setups/2fa';

 let users = utils.loadEnv();
 let totp;
@@ -31,42 +31,21 @@ test('Authenticator 2fa', async ({ page }) => {

    await utils.logout(test, page, users.user1);

-    await logUser(test, page, users.user1, { totp });
-
-    await disableTOTP(test, page, users.user1);
-});
-
-test('Recovery codes', async ({ context, page }) => {
-    await logUser(test, page, users.user1);
-
-    await activateTOTP(test, page, users.user1);
-    let recovery = await recoveryCodes(test, page, users.user1);
-
-    await utils.logout(test, page, users.user1);
-
    await test.step('login', async () => {
+        let timestamp = Date.now(); // Needed to use the next token
+        timestamp = timestamp + (totp.period - (Math.floor(timestamp / 1000) % totp.period) + 1) * 1000;
+
        await page.getByLabel(/Email address/).fill(users.user1.email);
        await page.getByRole('button', { name: 'Continue' }).click();
        await page.getByRole('textbox', { name: 'Master password * (required)', exact: true }).fill(users.user1.password);
        await page.getByRole('button', { name: 'Log in', exact: true }).click();

        await expect(page.getByRole('heading', { name: 'Verify your Identity' })).toBeVisible();
+        await page.getByLabel(/Verification code/).fill(totp.generate({timestamp}));
+        await page.getByRole('button', { name: 'Continue' }).click();

        await expect(page).toHaveTitle(/Vaultwarden Web/);
-
-        const newPagePromise = context.waitForEvent('page');
-        await page.getByRole('button', { name: 'Use your recovery code' }).click();
-        const newPage = await newPagePromise;
-
-        const tabs = context.pages();
-        await tabs[1].bringToFront();
-        await expect(tabs[1].getByRole('heading', { name: 'Recover account two-step login' })).toBeVisible();
-        await tabs[1].getByRole('textbox', { name: 'Email address * (required)' }).fill(users.user1.email);
-        await tabs[1].getByRole('textbox', { name: 'Master password * (required)' }).fill(users.user1.password);
-        await tabs[1].getByRole('textbox', { name: 'Recovery code * (required)' }).fill(recovery);
-        await tabs[1].getByRole('button', { name: 'Submit' }).click();
-
-        await expect(tabs[1]).toHaveTitle(/Two-step login/);
    });
-});

+    await disableTOTP(test, page, users.user1);
+});
@@ -4,24 +4,6 @@ import * as OTPAuth from "otpauth";

 import * as utils from '../../global-utils';

-export async function recoveryCodes(test: Test, page: Page, user: { name: string, password: string }): string {
-    return await test.step('Recovery code', async () => {
-        await page.getByRole('button', { name: user.name }).click();
-        await page.getByRole('menuitem', { name: 'Account settings' }).click();
-        await page.getByRole('link', { name: 'Security' }).click();
-        await page.getByRole('link', { name: 'Two-step login' }).click();
-
-        await page.getByRole('button', { name: 'View recovery code' }).click();
-        await page.getByRole('textbox', { name: 'Master password * (required)', exact: true }).fill(user.password);
-        await page.getByRole('button', { name: 'Continue' }).click();
-
-        const recovery = await page.getByRole('code').innerText();
-        await page.getByLabel('Close').click();
-
-        return recovery;
-    })
-}
-
 export async function activateTOTP(test: Test, page: Page, user: { name: string, password: string }): OTPAuth.TOTP {
    return await test.step('Activate TOTP 2FA', async () => {
        await page.getByRole('button', { name: user.name }).click();
@@ -39,6 +21,7 @@ export async function activateTOTP(test: Test, page: Page, user: { name: string,
        await page.getByLabel(/Verification code/).fill(totp.generate());
        await page.getByRole('button', { name: 'Turn on' }).click();
        await page.getByRole('heading', { name: 'Turned on', exact: true });
+        await page.getByLabel('Close').click();

        return totp;
    })
@@ -2,7 +2,6 @@ import { expect, type Browser, Page } from '@playwright/test';

 import { type MailBuffer } from 'maildev';

-import * as OTPAuth from "otpauth";
 import * as utils from '../../global-utils';
 import { retrieveEmailCode } from './2fa';

@@ -44,7 +43,6 @@ export async function logUser(
        mailBuffer ?: MailBuffer,
        mail2fa?: boolean,
        notNewDevice?: boolean,
-        totp?: OTPAuth.TOTP,
    } = {}
 ) {
    await test.step(`Log user ${user.email}`, async () => {
@@ -57,23 +55,11 @@ export async function logUser(
        await page.getByRole('textbox', { name: 'Master password * (required)', exact: true }).fill(user.password);
        await page.getByRole('button', { name: 'Log in', exact: true }).click();

-        if( options.mail2fa || options.totp ){
-            let code;
-
+        if( options.mail2fa ){
            await test.step('2FA check', async () => {
                await expect(page.getByRole('heading', { name: 'Verify your Identity' })).toBeVisible();
-
-                if( options.totp ) {
-                    const totp = options.totp;
-                    let timestamp = Date.now(); // Needed to use the next token
-                    timestamp = timestamp + (totp.period - (Math.floor(timestamp / 1000) % totp.period) + 1) * 1000;
-                    code = totp.generate({timestamp});
-                } else if( options.mail2fa ){
-                    code = await retrieveEmailCode(test, page, options.mailBuffer);
-                }
-
+                let code = await retrieveEmailCode(test, page, options.mailBuffer);
                await page.getByLabel(/Verification code/).fill(code);
-
                await page.getByRole('button', { name: 'Continue' }).click();
            });
        }
@@ -1,4 +1,4 @@
 [toolchain]
-channel = "1.99.1"
+channel = "1.98.1"
 components = [ "rustfmt", "clippy" ]
 profile = "minimal"
@@ -201,15 +201,12 @@ fn post_admin_login(
    // If the token is invalid, redirect to login page
    if validate_token(&data.token) {
        // If the token received is valid, generate JWT and save it as a cookie
-        let claims = match generate_admin_claims() {
-            Ok(claims) => claims,
-            Err(e) => return Err(AdminResponse::Ok(render_admin_login(Some(e.message()), redirect.as_deref()))),
-        };
+        let claims = generate_admin_claims();
        let jwt = encode_jwt(&claims);

        let cookie = Cookie::build((COOKIE_NAME, jwt))
            .path(admin_path())
-            .max_age(time::Duration::minutes(i64::from(CONFIG.admin_session_lifetime())))
+            .max_age(time::Duration::minutes(CONFIG.admin_session_lifetime()))
            .same_site(SameSite::Strict)
            .http_only(true)
            .secure(secure.https);
@@ -511,7 +508,6 @@ async fn enable_user(user_id: UserId, _token: AdminToken, conn: DbConn) -> Empty
 async fn remove_2fa(user_id: UserId, token: AdminToken, conn: DbConn) -> EmptyResult {
    let mut user = get_user_or_404(&user_id, &conn).await?;
    TwoFactor::delete_all_by_user(&user.uuid, &conn).await?;
-    Device::clear_twofactor_remember_by_user(&user.uuid, &conn).await?;
    two_factor::enforce_2fa_policy(&user, &ACTING_ADMIN_USER.into(), 14, &token.ip.ip, &conn).await?;
    user.totp_recover = None;
    user.save(&conn).await
@@ -782,8 +778,6 @@ async fn diagnostics(_token: AdminToken, ip_header: IpHeader, conn: DbConn) -> A
    .into_keys()
    .collect();

-    let invalid_env_vars = crate::util::INVALID_ENV_VARS.lock().unwrap().join(", ");
-
    let diagnostics_json = json!({
        "dns_resolved": dns_resolved,
        "current_release": VERSION,
@@ -806,9 +800,7 @@ async fn diagnostics(_token: AdminToken, ip_header: IpHeader, conn: DbConn) -> A
        "db_version": get_sql_server_version(&conn).await,
        "admin_url": format!("{}/diagnostics", admin_url()),
        "overrides": &CONFIG.get_overrides().join(", "),
-        "config_file_status": &CONFIG.get_config_file_status(),
        "template_overrides": check_template_overrides().join(", "),
-        "invalid_env_vars": invalid_env_vars,
        "invalid_feature_flags": invalid_feature_flags,
        "host_arch": env::consts::ARCH,
        "host_os":  env::consts::OS,
@@ -913,23 +905,23 @@ mod tests {
    fn validate_web_vault_compare() {
        // web_vault_compare(active, latest)
        // Test normal versions
-        assert_eq!(web_vault_compare("2025.12.0", "2025.12.1"), -1);
-        assert_eq!(web_vault_compare("2025.12.1", "2025.12.1"), 0);
-        assert_eq!(web_vault_compare("2025.12.2", "2025.12.1"), 1);
+        assert!(web_vault_compare("2025.12.0", "2025.12.1") == -1);
+        assert!(web_vault_compare("2025.12.1", "2025.12.1") == 0);
+        assert!(web_vault_compare("2025.12.2", "2025.12.1") == 1);

        // Test patched/+build.n versions
        // Newer latest version
-        assert_eq!(web_vault_compare("2025.12.0+build.1", "2025.12.1"), -1);
-        assert_eq!(web_vault_compare("2025.12.1", "2025.12.1+build.1"), -1);
-        assert_eq!(web_vault_compare("2025.12.0+build.1", "2025.12.1+build.1"), -1);
-        assert_eq!(web_vault_compare("2025.12.1+build.1", "2025.12.1+build.2"), -1);
+        assert!(web_vault_compare("2025.12.0+build.1", "2025.12.1") == -1);
+        assert!(web_vault_compare("2025.12.1", "2025.12.1+build.1") == -1);
+        assert!(web_vault_compare("2025.12.0+build.1", "2025.12.1+build.1") == -1);
+        assert!(web_vault_compare("2025.12.1+build.1", "2025.12.1+build.2") == -1);
        // Equal versions
-        assert_eq!(web_vault_compare("2025.12.1+build.1", "2025.12.1+build.1"), 0);
-        assert_eq!(web_vault_compare("2025.12.2+build.2", "2025.12.2+build.2"), 0);
+        assert!(web_vault_compare("2025.12.1+build.1", "2025.12.1+build.1") == 0);
+        assert!(web_vault_compare("2025.12.2+build.2", "2025.12.2+build.2") == 0);
        // Newer active version
-        assert_eq!(web_vault_compare("2025.12.1+build.1", "2025.12.1"), 1);
-        assert_eq!(web_vault_compare("2025.12.2", "2025.12.1+build.1"), 1);
-        assert_eq!(web_vault_compare("2025.12.2+build.1", "2025.12.1+build.1"), 1);
-        assert_eq!(web_vault_compare("2025.12.1+build.3", "2025.12.1+build.2"), 1);
+        assert!(web_vault_compare("2025.12.1+build.1", "2025.12.1") == 1);
+        assert!(web_vault_compare("2025.12.2", "2025.12.1+build.1") == 1);
+        assert!(web_vault_compare("2025.12.2+build.1", "2025.12.1+build.1") == 1);
+        assert!(web_vault_compare("2025.12.1+build.3", "2025.12.1+build.2") == 1);
    }
 }
@@ -23,13 +23,14 @@ use crate::{
        models::{
            Archive, Attachment, AttachmentId, Cipher, CipherId, Collection, CollectionCipher, CollectionGroup,
            CollectionId, CollectionUser, EventType, Favorite, Folder, FolderCipher, FolderId, Group, KeyId,
-            Membership, MembershipType, OrgPolicy, OrgPolicyType, OrganizationId, RepromptType, Send, UserId,
+            Membership, MembershipType, OrgPolicy, OrgPolicyType, OrganizationId, RepromptType, Send, User, UserId,
+            is_data_blob_encrypted,
        },
    },
    util::{NumberOrString, deser_opt_nonempty_str, save_temp_file},
 };

-use super::{folders::FolderData, sends::SIZE_525_MB};
+use super::folders::FolderData;

 pub fn routes() -> Vec<Route> {
    // Note that many routes have an `admin` variant; this seems to be
@@ -189,12 +190,22 @@ async fn sync(data: SyncData, headers: Headers, client_version: Option<ClientVer
            // https://github.com/bitwarden/android/blob/release/2025.12-rc41/network/src/main/kotlin/com/bitwarden/network/model/MasterPasswordUnlockDataJson.kt#L22-L26
            "masterKeyEncryptedUserKey": headers.user.akey,
            "masterKeyWrappedUserKey": headers.user.akey,
-            "salt": headers.user.email
+            "salt": headers.user.email,
+            "containedKeyId": headers.user.key_id,
        })
    } else {
        Value::Null
    };

+    // Upstream omits these two when unset rather than sending null.
+    let mut user_decryption = json!({ "masterPasswordUnlock": master_password_unlock });
+    if let Some(key_id) = &headers.user.key_id {
+        user_decryption["userKeyId"] = json!(key_id);
+    }
+    if let Some(v2_upgrade_token) = headers.user.v2_upgrade_token_json() {
+        user_decryption["v2UpgradeToken"] = v2_upgrade_token;
+    }
+
    Ok(Json(json!({
        "profile": user_json,
        "folders": folders_json,
@@ -204,10 +215,7 @@ async fn sync(data: SyncData, headers: Headers, client_version: Option<ClientVer
        "ciphers": ciphers_json,
        "domains": domains_json,
        "sends": sends_json,
-        "userDecryption": {
-            "masterPasswordUnlock": master_password_unlock,
-            "userKeyId": headers.user.key_id,
-        },
+        "userDecryption": user_decryption,
        "object": "sync"
    })))
 }
@@ -284,7 +292,8 @@ pub struct CipherData {
    Passport = 8
    */
    pub r#type: i32,
-    pub name: String,
+    // Absent on a blob-encrypted cipher, whose name is sealed inside `data`
+    pub name: Option<String>,
    pub notes: Option<String>,
    fields: Option<Value>,

@@ -298,6 +307,9 @@ pub struct CipherData {
    drivers_license: Option<Value>,
    passport: Option<Value>,

+    // The sealed blob of a v2 account's cipher, which replaces all of the fields above
+    data: Option<String>,
+
    favorite: Option<bool>,
    reprompt: Option<i32>,

@@ -319,6 +331,70 @@ pub struct CipherData {
    archived_date: Option<String>,
 }

+/// A field of a [`CipherData`] that fails upstream's model validation.
+#[derive(Debug)]
+pub struct CipherValidationError {
+    pub field: &'static str,
+    pub message: String,
+}
+
+impl From<CipherValidationError> for crate::Error {
+    fn from(e: CipherValidationError) -> Self {
+        Self::new_msg(e.message)
+    }
+}
+
+/// A user-owned cipher must be encrypted with the user's current key. Organization ciphers use the
+/// organization key, which has no id yet, and either id may be missing: from a client that predates
+/// the field, or a user whose key id isn't known yet. There is nothing to compare in those cases.
+///
+/// Ref: upstream's `CiphersController.ValidateCipherEncryptedByUser`
+fn validate_encrypted_by_user_key(data: &CipherData, user: &User, is_org_cipher: bool) -> EmptyResult {
+    if !is_org_cipher
+        && let (Some(cipher_key_id), Some(user_key_id)) = (&data.encrypted_by_key_id, &user.key_id)
+        && cipher_key_id != user_key_id
+    {
+        err!("Cipher was not encrypted with the current user key. Please try again.")
+    }
+    Ok(())
+}
+
+/// Upstream's `[StringLength(500000)]` on `CipherRequestModel.Data`
+const MAX_CIPHER_DATA_LENGTH: usize = 500_000;
+
+impl CipherData {
+    /// Whether the content is a single blob rather than the per-type fields. This parses `data`, so
+    /// callers that need the answer more than once should keep it.
+    pub fn is_blob(&self) -> bool {
+        self.data.as_deref().is_some_and(is_data_blob_encrypted)
+    }
+
+    /// Checks the content the way upstream's model validation does, before anything is saved.
+    /// `is_blob` is [`Self::is_blob`].
+    ///
+    /// Ref: <https://github.com/bitwarden/server/blob/main/src/Api/Vault/Models/Request/CipherRequestModel.cs>
+    pub fn validate_content(&self, is_blob: bool) -> Result<(), CipherValidationError> {
+        if let Some(data) = &self.data
+            && data.len() > MAX_CIPHER_DATA_LENGTH
+        {
+            return Err(CipherValidationError {
+                field: "Data",
+                message: format!("The field Data must be a string with a maximum length of {MAX_CIPHER_DATA_LENGTH}."),
+            });
+        }
+
+        // A blob carries the name inside it, so only the other formats need one
+        if !is_blob && self.name.as_deref().is_none_or(|n| n.trim().is_empty()) {
+            return Err(CipherValidationError {
+                field: "Name",
+                message: String::from("The Name field is required."),
+            });
+        }
+
+        Ok(())
+    }
+}
+
 #[derive(Debug, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct PartialCipherData {
@@ -355,13 +431,14 @@ async fn post_ciphers_create(
    if data.cipher.encrypted_for != headers.user.uuid {
        err_code!("Invalid user cipher", Status::UnprocessableEntity.code);
    }
+    validate_encrypted_by_user_key(&data.cipher, &headers.user, data.cipher.organization_id.is_some())?;

    // This check is usually only needed in update_cipher_from_data(), but we
    // need it here as well to avoid creating an empty cipher in the call to
    // cipher.save() below.
    enforce_personal_ownership_policy(Some(&data.cipher), &headers, &conn).await?;

-    let mut cipher = Cipher::new(data.cipher.r#type, data.cipher.name.clone());
+    let mut cipher = Cipher::new(data.cipher.r#type, String::new());
    cipher.user_uuid = Some(headers.user.uuid.clone());
    cipher.save(&conn).await?;

@@ -389,12 +466,7 @@ async fn post_ciphers(data: Json<CipherData>, headers: Headers, conn: DbConn, nt
        err_code!("Invalid user cipher", Status::UnprocessableEntity.code);
    }

-    if let Some(cipher_key_id) = &data.encrypted_by_key_id
-        && let Some(user_key_id) = &headers.user.key_id
-        && cipher_key_id != user_key_id
-    {
-        err_code!("Invalid key cipher", Status::UnprocessableEntity.code);
-    }
+    validate_encrypted_by_user_key(&data, &headers.user, data.organization_id.is_some())?;

    // The web/browser clients set this field to null as expected, but the
    // mobile clients seem to set the invalid value `0001-01-01T00:00:00`,
@@ -402,7 +474,7 @@ async fn post_ciphers(data: Json<CipherData>, headers: Headers, conn: DbConn, nt
    // needed when creating a new cipher, so just ignore it unconditionally.
    data.last_known_revision_date = None;

-    let mut cipher = Cipher::new(data.r#type, data.name.clone());
+    let mut cipher = Cipher::new(data.r#type, String::new());
    update_cipher_from_data(&mut cipher, data, &headers, None, &conn, &nt, UpdateType::SyncCipherCreate).await?;

    Ok(Json(cipher.to_json(&headers.host, &headers.user.uuid, None, CipherSyncType::User, &conn).await?))
@@ -441,16 +513,19 @@ pub async fn update_cipher_from_data(
    // We do not mind which data is in it, the keep our model more flexible when there are upstream changes.
    // But, we at least know we do not need to store and return this specific key.
    fn clean_cipher_data(mut json_data: Value) -> Value {
-        if let Some(items) = json_data.as_array_mut() {
-            for item in items.iter_mut().filter_map(Value::as_object_mut) {
-                item.remove("response");
-            }
+        if json_data.is_array() {
+            json_data.as_array_mut().unwrap().iter_mut().for_each(|ref mut f| {
+                f.as_object_mut().unwrap().remove("response");
+            });
        }
        json_data
    }

    enforce_personal_ownership_policy(Some(&data), headers, conn).await?;

+    let is_blob = data.is_blob();
+    data.validate_content(is_blob)?;
+
    // Check that the client isn't updating an existing cipher with stale data.
    // And only perform this check when not importing ciphers, else the date/time check will fail.
    if ut != UpdateType::None
@@ -486,10 +561,9 @@ pub async fn update_cipher_from_data(
            Some(member) => {
                // A non-empty list of collections implies the caller already validated the user's write
                // access to them, so we can move the cipher into the organization on that basis.
-                // Write access to the cipher itself only counts when it already belongs to this organization.
                if shared_to_collections.as_ref().is_some_and(|cols| !cols.is_empty())
                    || member.has_full_access()
-                    || (!transfer_cipher && cipher.is_write_accessible_to_user(&headers.user.uuid, conn).await)
+                    || cipher.is_write_accessible_to_user(&headers.user.uuid, conn).await
                {
                    cipher.organization_uuid = Some(org_id);
                    // After some discussion in PR #1329 re-added the user_uuid = None again.
@@ -551,26 +625,35 @@ pub async fn update_cipher_from_data(
        _ => err!("Invalid type"),
    };

-    let type_data = if let Some(mut data) = type_data_opt {
-        // Remove the 'Response' key from the base object.
-        if let Some(data_obj) = data.as_object_mut() {
-            data_obj.remove("response");
-        }
-        // Remove the 'Response' key from every Uri.
-        if data["uris"].is_array() {
-            data["uris"] = clean_cipher_data(data["uris"].clone());
-        }
-        data
+    if let Some(blob) = data.data.filter(|_| is_blob) {
+        // A blob holds all of the content, the name included, so nothing is kept outside it. The name
+        // column can't be null, so it's left empty; `to_json` reports it as null, as upstream does.
+        // TODO: Make `ciphers.name` nullable and store `None` here instead.
+        cipher.name = String::new();
+        cipher.notes = None;
+        cipher.fields = None;
+        cipher.password_history = None;
+        cipher.data = blob;
    } else {
-        err!("Data missing")
-    };
+        let Some(mut type_data) = type_data_opt else {
+            err!("Data missing")
+        };
+        // Remove the 'Response' key from the base object.
+        type_data.as_object_mut().unwrap().remove("response");
+        // Remove the 'Response' key from every Uri.
+        if type_data["uris"].is_array() {
+            type_data["uris"] = clean_cipher_data(type_data["uris"].clone());
+        }
+
+        // `validate_content` made sure there is a name
+        cipher.name = data.name.unwrap_or_default();
+        cipher.notes = data.notes;
+        cipher.fields = data.fields.map(|f| clean_cipher_data(f).to_string());
+        cipher.password_history = data.password_history.map(|f| f.to_string());
+        cipher.data = type_data.to_string();
+    }

    cipher.key = data.key;
-    cipher.name = data.name;
-    cipher.notes = data.notes;
-    cipher.fields = data.fields.map(|f| clean_cipher_data(f).to_string());
-    cipher.data = type_data.to_string();
-    cipher.password_history = data.password_history.map(|f| f.to_string());
    cipher.reprompt = data.reprompt.filter(|r| *r == RepromptType::None as i32 || *r == RepromptType::Password as i32);

    cipher.save(conn).await?;
@@ -667,7 +750,7 @@ async fn post_ciphers_import(data: Json<ImportData>, headers: Headers, conn: DbC
        let folder_id = relations_map.get(&index).and_then(|i| folders.get(*i).cloned());
        cipher_data.folder_id = folder_id;

-        let mut cipher = Cipher::new(cipher_data.r#type, cipher_data.name.clone());
+        let mut cipher = Cipher::new(cipher_data.r#type, String::new());
        update_cipher_from_data(&mut cipher, cipher_data, &headers, None, &conn, &nt, UpdateType::None).await?;
    }

@@ -735,6 +818,8 @@ async fn put_cipher(
        err!("Cipher is not write accessible")
    }

+    validate_encrypted_by_user_key(&data, &headers.user, cipher.organization_uuid.is_some())?;
+
    update_cipher_from_data(&mut cipher, data, &headers, None, &conn, &nt, UpdateType::SyncCipherUpdate).await?;

    Ok(Json(cipher.to_json(&headers.host, &headers.user.uuid, None, CipherSyncType::User, &conn).await?))
@@ -1185,10 +1270,6 @@ async fn post_attachment_v2(
    if file_size < 0 {
        err!("Attachment size can't be negative")
    }
-    // Matches the "file" upload limit in main.rs, nothing larger can be uploaded
-    if file_size > SIZE_525_MB {
-        err!("Max file size is 525 MB.")
-    }
    let attachment_id = crypto::generate_attachment_id();
    let attachment =
        Attachment::new(attachment_id.clone(), cipher.uuid.clone(), data.file_name, file_size, Some(data.key));
@@ -1876,7 +1957,7 @@ async fn delete_cipher_by_uuid(
 #[derive(Deserialize)]
 #[serde(rename_all = "camelCase")]
 struct CipherIdsData {
-    ids: HashSet<CipherId>,
+    ids: Vec<CipherId>,
 }

 async fn delete_multiple_ciphers(
@@ -2187,15 +2268,8 @@ impl CipherSyncData {
            }
        }

-        // Generate a HashMap with the Organization UUID as key and the Membership record
-        let members: HashMap<OrganizationId, Membership> = Membership::find_confirmed_by_user(user_id, conn)
-            .await
-            .into_iter()
-            .map(|m| (m.org_uuid.clone(), m))
-            .collect();
-
        // Generate a list of Cipher UUID's containing a Vec with one or more Attachment records
-        let orgs: Vec<OrganizationId> = members.keys().cloned().collect();
+        let orgs = Membership::get_orgs_by_user(user_id, conn).await;
        let attachments = Attachment::find_all_by_user_and_orgs(user_id, &orgs, conn).await;
        let mut cipher_attachments: HashMap<CipherId, Vec<Attachment>> = HashMap::with_capacity(attachments.len());
        for attachment in attachments {
@@ -2210,6 +2284,13 @@ impl CipherSyncData {
            cipher_collections.entry(cipher).or_default().push(collection);
        }

+        // Generate a HashMap with the Organization UUID as key and the Membership record
+        let members: HashMap<OrganizationId, Membership> = Membership::find_confirmed_by_user(user_id, conn)
+            .await
+            .into_iter()
+            .map(|m| (m.org_uuid.clone(), m))
+            .collect();
+
        // Generate a HashMap with the User_Collections UUID as key and the CollectionUser record
        let user_collections: HashMap<CollectionId, CollectionUser> = CollectionUser::find_by_user(user_id, conn)
            .await
@@ -1,4 +1,4 @@
-use chrono::Utc;
+use chrono::{TimeDelta, Utc};
 use rocket::{Route, serde::json::Json};
 use serde_json::Value;

@@ -6,17 +6,14 @@ use crate::{
    CONFIG,
    api::{
        EmptyResult, JsonResult,
-        core::{
-            CipherSyncData, CipherSyncType,
-            accounts::{AuthenticationData, UnlockData},
-        },
+        core::{CipherSyncData, CipherSyncType},
    },
    auth::{Headers, decode_emergency_access_invite},
    db::{
        DbConn, DbPool,
        models::{
-            Cipher, EMERGENCY_ACCESS_TIMEOUT_RANGE, EmergencyAccess, EmergencyAccessId, EmergencyAccessStatus,
-            EmergencyAccessType, Invitation, Membership, MembershipType, OrgPolicy, TwoFactor, User, UserId,
+            Cipher, EmergencyAccess, EmergencyAccessId, EmergencyAccessStatus, EmergencyAccessType, Invitation,
+            Membership, MembershipType, OrgPolicy, TwoFactor, User, UserId,
        },
    },
    mail,
@@ -136,21 +133,19 @@ async fn post_emergency_access(

    let data: EmergencyAccessUpdateData = data.into_inner();

-    let Some(new_type) = EmergencyAccessType::from_str(&data.r#type.into_string()) else {
-        err!("Invalid emergency access type.")
-    };
-
-    if !(EMERGENCY_ACCESS_TIMEOUT_RANGE).contains(&data.wait_time_days) {
-        err!("Emergency access wait time is out-of-bounds!")
-    }
-
    let Some(mut emergency_access) =
        EmergencyAccess::find_by_uuid_and_grantor_uuid(&emer_id, &headers.user.uuid, &conn).await
    else {
        err!("Emergency access not valid.")
    };

-    emergency_access.atype = new_type as i32;
+    let new_type = if let Some(new_type) = EmergencyAccessType::from_str(&data.r#type.into_string()) {
+        new_type as i32
+    } else {
+        err!("Invalid emergency access type.")
+    };
+
+    emergency_access.atype = new_type;
    emergency_access.wait_time_days = data.wait_time_days;
    if data.key_encrypted.is_some() {
        emergency_access.key_encrypted = data.key_encrypted;
@@ -212,11 +207,11 @@ async fn send_invite(data: Json<EmergencyAccessInviteData>, headers: Headers, co
    let email = data.email.to_lowercase();
    let wait_time_days = data.wait_time_days;

-    if !(EMERGENCY_ACCESS_TIMEOUT_RANGE).contains(&wait_time_days) {
-        err!("Emergency access wait time is out-of-bounds!")
-    }
+    let emergency_access_status = EmergencyAccessStatus::Invited as i32;

-    let Some(new_type) = EmergencyAccessType::from_str(&data.r#type.into_string()) else {
+    let new_type = if let Some(new_type) = EmergencyAccessType::from_str(&data.r#type.into_string()) {
+        new_type as i32
+    } else {
        err!("Invalid emergency access type.")
    };

@@ -230,7 +225,7 @@ async fn send_invite(data: Json<EmergencyAccessInviteData>, headers: Headers, co
    let (grantee_user, new_user) = match User::find_by_mail(&email, &conn).await {
        None => {
            if !CONFIG.invitations_allowed() {
-                err!(format!("Grantee user does not exist: {}", email.escape_debug()))
+                err!(format!("Grantee user does not exist: {email}"))
            }

            if !CONFIG.is_email_domain_allowed(&email) {
@@ -262,8 +257,6 @@ async fn send_invite(data: Json<EmergencyAccessInviteData>, headers: Headers, co
        err!(format!("Grantee user already invited: {}", &grantee_user.email))
    }

-    let new_type = new_type as i32;
-    let emergency_access_status = EmergencyAccessStatus::Invited as i32;
    let mut new_emergency_access =
        EmergencyAccess::new(grantor_user.uuid, grantee_user.email, emergency_access_status, new_type, wait_time_days);
    new_emergency_access.save(&conn).await?;
@@ -296,7 +289,7 @@ async fn resend_invite(emer_id: EmergencyAccessId, headers: Headers, conn: DbCon
    };

    if emergency_access.status != EmergencyAccessStatus::Invited as i32 {
-        err!("The grantee user is already accepted or confirmed for emergency access");
+        err!("The grantee user is already accepted or confirmed to the organization");
    }

    let Some(email) = emergency_access.email.clone() else {
@@ -457,24 +450,11 @@ async fn initiate_emergency_access(emer_id: EmergencyAccessId, headers: Headers,
    let Some(mut emergency_access) =
        EmergencyAccess::find_by_uuid_and_grantee_uuid(&emer_id, &initiating_user.uuid, &conn).await
    else {
-        err!(
-            "Emergency access not valid.",
-            format!("Emergency access '{emer_id}', not found for user '{}'.", initiating_user.email)
-        )
+        err!("Emergency access not valid.")
    };

    if emergency_access.status != EmergencyAccessStatus::Confirmed as i32 {
-        err!(
-            "Emergency access not valid.",
-            format!("Emergency access '{emer_id}', not confirmed for user '{}'.", initiating_user.email)
-        )
-    }
-
-    if !EMERGENCY_ACCESS_TIMEOUT_RANGE.contains(&emergency_access.wait_time_days) {
-        err!(
-            "Emergency access not valid.",
-            format!("Emergency access '{emer_id}' timeout range '{}' is invalid", emergency_access.wait_time_days)
-        )
+        err!("Emergency access not valid.")
    }

    let Some(grantor_user) = User::find_by_uuid(&emergency_access.grantor_uuid, &conn).await else {
@@ -507,17 +487,11 @@ async fn approve_emergency_access(emer_id: EmergencyAccessId, headers: Headers,
    let Some(mut emergency_access) =
        EmergencyAccess::find_by_uuid_and_grantor_uuid(&emer_id, &headers.user.uuid, &conn).await
    else {
-        err!(
-            "Emergency access not valid.",
-            format!("Emergency access '{emer_id}', not found for user '{}'.", headers.user.email)
-        )
+        err!("Emergency access not valid.")
    };

    if emergency_access.status != EmergencyAccessStatus::RecoveryInitiated as i32 {
-        err!(
-            "Emergency access not valid.",
-            format!("Emergency access '{emer_id}', not initiated for user '{}'.", headers.user.email)
-        )
+        err!("Emergency access not valid.")
    }

    let Some(grantor_user) = User::find_by_uuid(&headers.user.uuid, &conn).await else {
@@ -641,7 +615,6 @@ async fn takeover_emergency_access(emer_id: EmergencyAccessId, headers: Headers,
        "kdfMemory": grantor_user.client_kdf_memory,
        "kdfParallelism": grantor_user.client_kdf_parallelism,
        "keyEncrypted": &emergency_access.key_encrypted,
-        "salt": grantor_user.master_password_salt(),
        "object": "emergencyAccessTakeover",
    });

@@ -651,13 +624,8 @@ async fn takeover_emergency_access(emer_id: EmergencyAccessId, headers: Headers,
 #[derive(Deserialize)]
 #[serde(rename_all = "camelCase")]
 struct EmergencyAccessPasswordData {
-    // Legacy payload
-    new_master_password_hash: Option<String>,
-    key: Option<String>,
-
-    // Current payload
-    authentication_data: Option<AuthenticationData>,
-    unlock_data: Option<UnlockData>,
+    new_master_password_hash: String,
+    key: String,
 }

 #[post("/emergency-access/<emer_id>/password", data = "<data>")]
@@ -670,6 +638,8 @@ async fn password_emergency_access(
    check_emergency_access_enabled()?;

    let data: EmergencyAccessPasswordData = data.into_inner();
+    let new_master_password_hash = &data.new_master_password_hash;
+    //let key = &data.Key;

    let requesting_user = headers.user;
    let Some(emergency_access) =
@@ -686,23 +656,8 @@ async fn password_emergency_access(
        err!("Grantor user not found.")
    };

-    let (new_master_password_hash, new_key) =
-        if let (Some(authentication_data), Some(unlock_data)) = (data.authentication_data, data.unlock_data) {
-            authentication_data.check(&grantor_user, &unlock_data)?;
-
-            if !authentication_data.kdf.matches_user(&grantor_user) {
-                err!("KDF settings do not match the grantor account")
-            }
-
-            (authentication_data.master_password_authentication_hash, unlock_data.master_key_wrapped_user_key)
-        } else if let (Some(new_master_password_hash), Some(new_key)) = (data.new_master_password_hash, data.key) {
-            (new_master_password_hash, new_key)
-        } else {
-            err!("Invalid request!")
-        };
-
    // change grantor_user password
-    grantor_user.set_password(&new_master_password_hash, Some(new_key), true, None, &conn).await?;
+    grantor_user.set_password(new_master_password_hash, Some(data.key), true, None, &conn).await?;
    grantor_user.save(&conn).await?;

    // Disable TwoFactor providers since they will otherwise block logins
@@ -770,71 +725,52 @@ pub async fn emergency_request_timeout_job(pool: DbPool) {
        return;
    }

-    let Ok(conn) = pool.get().await else {
-        error!("Failed to get DB connection for emergency time-outs!");
-        return;
-    };
+    if let Ok(conn) = pool.get().await {
+        let emergency_access_list = EmergencyAccess::find_all_recoveries_initiated(&conn).await;

-    let emergency_access_list = EmergencyAccess::find_all_recoveries_initiated(&conn).await;
-
-    if emergency_access_list.is_empty() {
-        debug!("No emergency request timeout to approve");
-        return;
-    }
-
-    let now = Utc::now().naive_utc();
-    for mut emer in emergency_access_list {
-        match emer.is_recovery_allowed(&now) {
-            Ok(true) => {} // Recovery is allowed
-            Ok(false) => continue,
-            Err(e) => {
-                error!("Failed to check if recovery is allowed for '{}': {e}", emer.uuid);
-                continue;
-            }
+        if emergency_access_list.is_empty() {
+            debug!("No emergency request timeout to approve");
        }

-        // Get grantor user to send Accepted email
-        let Some(grantor_user) = User::find_by_uuid(&emer.grantor_uuid, &conn).await else {
-            error!("Grantor user '{}' not found for emergency access '{}'", emer.grantor_uuid, emer.uuid);
-            continue;
-        };
+        let now = Utc::now().naive_utc();
+        for mut emer in emergency_access_list {
+            // The find_all_recoveries_initiated already checks if the recovery_initiated_at is not null (None)
+            let recovery_allowed_at =
+                emer.recovery_initiated_at.unwrap() + TimeDelta::try_days(i64::from(emer.wait_time_days)).unwrap();
+            if recovery_allowed_at.le(&now) {
+                // Only update the access status
+                // Updating the whole record could cause issues when the emergency_notification_reminder_job is also active
+                emer.update_access_status_and_save(EmergencyAccessStatus::RecoveryApproved as i32, &now, &conn)
+                    .await
+                    .expect("Unable to update emergency access status");

-        let Some(grantee_uuid) = emer.grantee_uuid.as_ref() else {
-            error!("Missing grantee for emergency access '{}'", emer.uuid);
-            continue;
-        };
+                if CONFIG.mail_enabled() {
+                    // get grantor user to send Accepted email
+                    let grantor_user =
+                        User::find_by_uuid(&emer.grantor_uuid, &conn).await.expect("Grantor user not found");

-        // Get grantee user to send Accepted email
-        let Some(grantee_user) = User::find_by_uuid(grantee_uuid, &conn).await else {
-            error!("Grantee user '{grantee_uuid}' not found for emergency access '{}'", emer.uuid);
-            continue;
-        };
+                    // get grantee user to send Accepted email
+                    let grantee_user =
+                        User::find_by_uuid(&emer.grantee_uuid.clone().expect("Grantee user invalid"), &conn)
+                            .await
+                            .expect("Grantee user not found");

-        // Only update the access status
-        // Updating the whole record could cause issues when the emergency_notification_reminder_job is also active
-        let status_initiated = EmergencyAccessStatus::RecoveryInitiated as i32;
-        let status_approved = EmergencyAccessStatus::RecoveryApproved as i32;
-        if let Err(e) = emer.update_access_status_and_save(status_initiated, status_approved, &now, &conn).await {
-            error!("Unable to update emergency access status for '{}': {e}", emer.uuid);
-            continue;
-        }
+                    mail::send_emergency_access_recovery_timed_out(
+                        &grantor_user.email,
+                        &grantee_user.name,
+                        emer.get_type_as_str(),
+                    )
+                    .await
+                    .expect("Error on sending email");

-        if CONFIG.mail_enabled() {
-            if let Err(e) = mail::send_emergency_access_recovery_timed_out(
-                &grantor_user.email,
-                &grantee_user.name,
-                emer.get_type_as_str(),
-            )
-            .await
-            {
-                error!("Failed to send emergency access recovery time-out email for '{}': {e}", emer.uuid);
-            }
-
-            if let Err(e) = mail::send_emergency_access_recovery_approved(&grantee_user.email, &grantor_user.name).await
-            {
-                error!("Failed to send emergency access recovery approved email for '{}': {e}", emer.uuid);
+                    mail::send_emergency_access_recovery_approved(&grantee_user.email, &grantor_user.name)
+                        .await
+                        .expect("Error on sending email");
+                }
            }
        }
+    } else {
+        error!("Failed to get DB connection while searching emergency request timed out");
    }
 }

@@ -844,85 +780,55 @@ pub async fn emergency_notification_reminder_job(pool: DbPool) {
        return;
    }

-    let Ok(conn) = pool.get().await else {
-        error!("Failed to get DB connection for emergency reminders!");
-        return;
-    };
+    if let Ok(conn) = pool.get().await {
+        let emergency_access_list = EmergencyAccess::find_all_recoveries_initiated(&conn).await;

-    let emergency_access_list = EmergencyAccess::find_all_recoveries_initiated(&conn).await;
-
-    if emergency_access_list.is_empty() {
-        debug!("No emergency request reminder notification to send");
-        return;
-    }
-
-    let now = Utc::now().naive_utc();
-    for mut emer in emergency_access_list {
-        let Ok(deadline_at) = emer.deadline_at() else {
-            error!("Invalid deadline for emergency access '{}'", emer.uuid);
-            continue;
-        };
-
-        let Some(final_reminder_at) = deadline_at.checked_sub_days(chrono::Days::new(1)) else {
-            error!("Cannot calculate reminder date for emergency access '{}'", emer.uuid);
-            continue;
-        };
-
-        // Only send reminders during the last 24 hours, else continue
-        if now < final_reminder_at || now >= deadline_at {
-            continue;
+        if emergency_access_list.is_empty() {
+            debug!("No emergency request reminder notification to send");
        }

-        // Check if we did not sent a recovery mail in the past 24h already, else skip it.
-        // In case something goes wrong with the date calculation or `last_notification_at` is None we use now.
-        // This is to prevent possible missed reminders, this might cause an extra reminder,
-        // but that is better then no reminder at all.
-        let next_reminder_at = if let Some(last_notification_at) = emer.last_notification_at {
-            last_notification_at.checked_add_days(chrono::Days::new(1)).unwrap_or(now)
-        } else {
-            now
-        };
+        let now = Utc::now().naive_utc();
+        for mut emer in emergency_access_list {
+            // The find_all_recoveries_initiated already checks if the recovery_initiated_at is not null (None)
+            // Calculate the day before the recovery will become active
+            let final_recovery_reminder_at =
+                emer.recovery_initiated_at.unwrap() + TimeDelta::try_days(i64::from(emer.wait_time_days - 1)).unwrap();
+            // Calculate if a day has passed since the previous notification, else no notification has been sent before
+            let next_recovery_reminder_at = if let Some(last_notification_at) = emer.last_notification_at {
+                last_notification_at + TimeDelta::try_days(1).unwrap()
+            } else {
+                now
+            };
+            if final_recovery_reminder_at.le(&now) && next_recovery_reminder_at.le(&now) {
+                // Only update the last notification date
+                // Updating the whole record could cause issues when the emergency_request_timeout_job is also active
+                emer.update_last_notification_date_and_save(&now, &conn)
+                    .await
+                    .expect("Unable to update emergency access notification date");

-        // Only send a reminder if the `next_reminder_at` is less then or equal to `now`
-        // Else we can skip the current emergency access this run.
-        if next_reminder_at.gt(&now) {
-            continue;
-        }
-
-        // Get grantor user to send Reminder email
-        let Some(grantor_user) = User::find_by_uuid(&emer.grantor_uuid, &conn).await else {
-            error!("Grantor user '{}' not found for emergency access '{}'", emer.grantor_uuid, emer.uuid);
-            continue;
-        };
-
-        let Some(grantee_uuid) = emer.grantee_uuid.as_ref() else {
-            error!("Missing grantee for emergency access '{}'", emer.uuid);
-            continue;
-        };
-
-        // Get grantee user to send Reminder email
-        let Some(grantee_user) = User::find_by_uuid(grantee_uuid, &conn).await else {
-            error!("Grantee user '{grantee_uuid}' not found for emergency access '{}'", emer.uuid);
-            continue;
-        };
-
-        // Only update the last notification date
-        // Updating the whole record could cause issues when the emergency_request_timeout_job is also active
-        if let Err(e) = emer.update_last_notification_date_and_save(&now, &conn).await {
-            error!("Unable to update emergency access reminder date for '{}': {e}", emer.uuid);
-            continue;
-        }
-
-        if CONFIG.mail_enabled()
-            && let Err(e) = mail::send_emergency_access_recovery_reminder(
-                &grantor_user.email,
-                &grantee_user.name,
-                emer.get_type_as_str(),
-                "1", // This notification is only triggered one day before the activation
-            )
-            .await
-        {
-            error!("Failed to send emergency access reminder email for '{}': {e}", emer.uuid);
+                if CONFIG.mail_enabled() {
+                    // get grantor user to send Accepted email
+                    let grantor_user =
+                        User::find_by_uuid(&emer.grantor_uuid, &conn).await.expect("Grantor user not found");
+
+                    // get grantee user to send Accepted email
+                    let grantee_user =
+                        User::find_by_uuid(&emer.grantee_uuid.clone().expect("Grantee user invalid"), &conn)
+                            .await
+                            .expect("Grantee user not found");
+
+                    mail::send_emergency_access_recovery_reminder(
+                        &grantor_user.email,
+                        &grantee_user.name,
+                        emer.get_type_as_str(),
+                        "1", // This notification is only triggered one day before the activation
+                    )
+                    .await
+                    .expect("Error on sending email");
+                }
+            }
        }
+    } else {
+        error!("Failed to get DB connection while searching emergency notification reminder");
    }
 }
@@ -6,13 +6,12 @@ use serde_json::Value;

 use crate::{
    CONFIG,
-    api::{ApiResult, EmptyResult, JsonResult},
+    api::{EmptyResult, JsonResult},
    auth::{AdminHeaders, Headers},
    db::{
        DbConn, DbPool,
        models::{Cipher, CipherId, Event, EventType, Membership, MembershipId, OrganizationId, UserId},
    },
-    error::MapResult,
    util::parse_date,
 };

@@ -30,14 +29,6 @@ struct EventRange {
    continuation_token: Option<String>,
 }

-impl EventRange {
-    fn date_range(&self) -> ApiResult<(NaiveDateTime, NaiveDateTime)> {
-        let start_date = parse_date(&self.start).map_res("Invalid start date")?;
-        let end_date = parse_date(self.continuation_token.as_ref().unwrap_or(&self.end)).map_res("Invalid end date")?;
-        Ok((start_date, end_date))
-    }
-}
-
 // Upstream: https://github.com/bitwarden/server/blob/9ebe16587175b1c0e9208f84397bb75d0d595510/src/Api/AdminConsole/Controllers/EventsController.cs#L87
 #[get("/organizations/<org_id>/events?<data..>")]
 async fn get_org_events(org_id: OrganizationId, data: EventRange, headers: AdminHeaders, conn: DbConn) -> JsonResult {
@@ -48,7 +39,12 @@ async fn get_org_events(org_id: OrganizationId, data: EventRange, headers: Admin
    // Return an empty vec when we org events are disabled.
    // This prevents client errors
    let events_json: Vec<Value> = if CONFIG.org_events_enabled() {
-        let (start_date, end_date) = data.date_range()?;
+        let start_date = parse_date(&data.start);
+        let end_date = if let Some(before_date) = &data.continuation_token {
+            parse_date(before_date)
+        } else {
+            parse_date(&data.end)
+        };

        Event::find_by_organization_uuid(&org_id, &start_date, &end_date, &conn)
            .await
@@ -73,7 +69,12 @@ async fn get_cipher_events(cipher_id: CipherId, data: EventRange, headers: Heade
    let events_json: Vec<Value> = if CONFIG.org_events_enabled()
        && Membership::user_has_ge_admin_access_to_cipher(&headers.user.uuid, &cipher_id, &conn).await
    {
-        let (start_date, end_date) = data.date_range()?;
+        let start_date = parse_date(&data.start);
+        let end_date = if let Some(before_date) = &data.continuation_token {
+            parse_date(before_date)
+        } else {
+            parse_date(&data.end)
+        };

        Event::find_by_cipher_uuid(&cipher_id, &start_date, &end_date, &conn).await.iter().map(Event::to_json).collect()
    } else {
@@ -101,7 +102,12 @@ async fn get_user_events(
    // Return an empty vec when we org events are disabled.
    // This prevents client errors
    let events_json: Vec<Value> = if CONFIG.org_events_enabled() {
-        let (start_date, end_date) = data.date_range()?;
+        let start_date = parse_date(&data.start);
+        let end_date = if let Some(before_date) = &data.continuation_token {
+            parse_date(before_date)
+        } else {
+            parse_date(&data.end)
+        };

        Event::find_by_org_and_member(&org_id, &member_id, &start_date, &end_date, &conn)
            .await
@@ -162,10 +168,9 @@ async fn post_events_collect(data: Json<Vec<EventCollection>>, headers: Headers,
    }

    for event in data.iter() {
-        let event_date = parse_date(&event.date).map_res("Invalid event date")?;
-        // Only the event types upstream accepts from clients, the rest are written server-side.
+        let event_date = parse_date(&event.date);
        match event.r#type {
-            t if t == EventType::UserClientExportedVault as i32 => {
+            1000..=1099 => {
                log_user_event_impl(
                    event.r#type,
                    &headers.user.uuid,
@@ -176,7 +181,7 @@ async fn post_events_collect(data: Json<Vec<EventCollection>>, headers: Headers,
                )
                .await;
            }
-            t if t == EventType::OrganizationClientExportedVault as i32 => {
+            1600..=1699 => {
                // Only allow logging events for an organization the user is actually a member of.
                if let Some(org_id) = &event.organization_id
                    && Membership::find_confirmed_by_user_and_org(&headers.user.uuid, org_id, &conn).await.is_some()
@@ -214,8 +219,7 @@ async fn post_events_collect(data: Json<Vec<EventCollection>>, headers: Headers,
                    .await;
                }
            }
-            // Client-side cipher events (viewed, copied, toggled, autofilled).
-            1107..=1114 | 1117 | 1119..=1132 => {
+            _ => {
                // The cipher determines the organization the event is logged to, so make sure the
                // user can actually access it instead of trusting the provided cipher uuid.
                if let Some(cipher_uuid) = &event.cipher_id
@@ -236,17 +240,16 @@ async fn post_events_collect(data: Json<Vec<EventCollection>>, headers: Headers,
                    .await;
                }
            }
-            _ => {}
        }
    }
    Ok(())
 }

-pub async fn log_user_event(event_type: EventType, user_id: &UserId, device_type: i32, ip: &IpAddr, conn: &DbConn) {
+pub async fn log_user_event(event_type: i32, user_id: &UserId, device_type: i32, ip: &IpAddr, conn: &DbConn) {
    if !CONFIG.org_events_enabled() {
        return;
    }
-    log_user_event_impl(event_type as i32, user_id, device_type, None, ip, conn).await;
+    log_user_event_impl(event_type, user_id, device_type, None, ip, conn).await;
 }

 async fn log_user_event_impl(
@@ -347,17 +350,14 @@ async fn log_event_impl(

 pub async fn event_cleanup_job(pool: DbPool) {
    debug!("Start events cleanup job");
-    if CONFIG.events_days_retain().is_none_or(|d| d == 0) {
-        debug!("events_days_retain is not configured or set to 0, skipping");
+    if CONFIG.events_days_retain().is_none() {
+        debug!("events_days_retain is not configured, abort");
        return;
    }

-    let Ok(conn) = pool.get().await else {
+    if let Ok(conn) = pool.get().await {
+        Event::clean_events(&conn).await.ok();
+    } else {
        error!("Failed to get DB connection while trying to cleanup the events table");
-        return;
-    };
-
-    if let Err(e) = Event::clean_events(&conn).await {
-        error!("Failed to cleanup the events table: {e}");
    }
 }
@@ -15,10 +15,10 @@ use crate::{
    db::{
        DbConn,
        models::{
-            Cipher, CipherId, Collection, CollectionCipher, CollectionGroup, CollectionId, CollectionUser, Device,
-            EventType, Group, GroupId, GroupUser, Invitation, Membership, MembershipId, MembershipStatus,
-            MembershipType, OrgPolicy, OrgPolicyType, Organization, OrganizationApiKey, OrganizationId, TwoFactor,
-            TwoFactorType, User, UserId,
+            Cipher, CipherId, Collection, CollectionCipher, CollectionGroup, CollectionId, CollectionUser, EventType,
+            Group, GroupId, GroupUser, Invitation, Membership, MembershipId, MembershipStatus, MembershipType,
+            OrgPolicy, OrgPolicyType, Organization, OrganizationApiKey, OrganizationId, TwoFactor, TwoFactorType, User,
+            UserId,
        },
    },
    mail,
@@ -26,13 +26,12 @@ use crate::{
    util::{NumberOrString, convert_json_key_lcase_first},
 };

-use super::accounts::{AuthenticationData, UnlockData};
-
 pub fn routes() -> Vec<Route> {
    routes![
        get_organization,
        create_organization,
        delete_organization,
+        post_delete_organization,
        leave_organization,
        get_user_collections,
        get_org_collections,
@@ -40,10 +39,13 @@ pub fn routes() -> Vec<Route> {
        get_org_collection_detail,
        get_collection_users,
        put_organization,
+        post_organization,
        post_organization_collections,
        post_bulk_access_collections,
+        post_organization_collection_update,
        put_organization_collection_update,
        delete_organization_collection,
+        post_organization_collection_delete,
        bulk_delete_organization_collections,
        post_bulk_collections,
        get_org_details,
@@ -58,6 +60,7 @@ pub fn routes() -> Vec<Route> {
        get_org_user_mini_details,
        get_user,
        edit_member,
+        put_member,
        delete_member,
        bulk_delete_member,
        post_org_import,
@@ -67,6 +70,7 @@ pub fn routes() -> Vec<Route> {
        get_master_password_policy,
        get_policy,
        put_policy,
+        put_policy_vnext,
        get_plans,
        post_org_keys,
        get_organization_keys,
@@ -82,16 +86,22 @@ pub fn routes() -> Vec<Route> {
        post_groups,
        get_group,
        put_group,
+        post_group,
        get_group_details,
        delete_group,
+        post_delete_group,
        bulk_delete_groups,
        get_group_members,
+        put_group_members,
+        post_delete_group_member,
        put_reset_password_enrollment,
        get_reset_password_details,
+        put_reset_password,
        put_recover_account,
        get_org_export,
        post_api_key,
        rotate_api_key,
+        get_billing_metadata,
        get_billing_warnings,
        get_auto_enroll_status,
        get_self_host_billing_metadata,
@@ -235,6 +245,16 @@ async fn delete_organization(
    }
 }

+#[post("/organizations/<org_id>/delete", data = "<data>")]
+async fn post_delete_organization(
+    org_id: OrganizationId,
+    data: Json<PasswordOrOtpData>,
+    headers: OwnerHeaders,
+    conn: DbConn,
+) -> EmptyResult {
+    delete_organization(org_id, data, headers, conn).await
+}
+
 #[post("/organizations/<org_id>/leave")]
 async fn leave_organization(org_id: OrganizationId, headers: OrgMemberHeaders, conn: DbConn) -> EmptyResult {
    if headers.membership.status != MembershipStatus::Confirmed as i32 {
@@ -280,6 +300,16 @@ async fn put_organization(
    headers: OwnerHeaders,
    data: Json<OrganizationUpdateData>,
    conn: DbConn,
+) -> JsonResult {
+    post_organization(org_id, headers, data, conn).await
+}
+
+#[post("/organizations/<org_id>", data = "<data>")]
+async fn post_organization(
+    org_id: OrganizationId,
+    headers: OwnerHeaders,
+    data: Json<OrganizationUpdateData>,
+    conn: DbConn,
 ) -> JsonResult {
    if org_id != headers.org_id {
        err!("Organization not found", "Organization id's do not match");
@@ -385,9 +415,8 @@ async fn get_org_collections_details(org_id: OrganizationId, headers: ManagerHea
    let col_users = CollectionUser::find_by_organization_swap_user_uuid_with_member_uuid(&org_id, &conn).await;
    // Generate a HashMap to get the correct MembershipType per user to determine the manage permission
    // We use the uuid instead of the user_uuid here, since that is what is used in CollectionUser
-    // This lists other members for admins, so it must not depend on the membership status
    let membership_type: HashMap<MembershipId, i32> =
-        Membership::find_by_org(&org_id, &conn).await.into_iter().map(|m| (m.uuid, m.atype)).collect();
+        Membership::find_confirmed_by_org(&org_id, &conn).await.into_iter().map(|m| (m.uuid, m.atype)).collect();

    // check if current user has full access to the organization (either directly or via any group)
    let has_full_access_to_org = member.has_full_access()
@@ -610,6 +639,17 @@ async fn put_organization_collection_update(
    headers: ManagerHeaders,
    data: Json<FullCollectionData>,
    conn: DbConn,
+) -> JsonResult {
+    post_organization_collection_update(org_id, col_id, headers, data, conn).await
+}
+
+#[post("/organizations/<org_id>/collections/<col_id>", data = "<data>", rank = 2)]
+async fn post_organization_collection_update(
+    org_id: OrganizationId,
+    col_id: CollectionId,
+    headers: ManagerHeaders,
+    data: Json<FullCollectionData>,
+    conn: DbConn,
 ) -> JsonResult {
    if org_id != headers.org_id {
        err!("Organization not found", "Organization id's do not match");
@@ -705,6 +745,16 @@ async fn delete_organization_collection(
    delete_organization_collection_impl(&org_id, &col_id, &headers, &conn).await
 }

+#[post("/organizations/<org_id>/collections/<col_id>/delete")]
+async fn post_organization_collection_delete(
+    org_id: OrganizationId,
+    col_id: CollectionId,
+    headers: ManagerHeaders,
+    conn: DbConn,
+) -> EmptyResult {
+    delete_organization_collection_impl(&org_id, &col_id, &headers, &conn).await
+}
+
 #[derive(Deserialize, Debug)]
 #[serde(rename_all = "camelCase")]
 struct BulkCollectionIds {
@@ -768,9 +818,11 @@ async fn get_org_collection_detail(

            // Generate a HashMap to get the correct MembershipType per user to determine the manage permission
            // We use the uuid instead of the user_uuid here, since that is what is used in CollectionUser
-            // This lists other members for admins, so it must not depend on the membership status
-            let membership_type: HashMap<MembershipId, i32> =
-                Membership::find_by_org(&org_id, &conn).await.into_iter().map(|m| (m.uuid, m.atype)).collect();
+            let membership_type: HashMap<MembershipId, i32> = Membership::find_confirmed_by_org(&org_id, &conn)
+                .await
+                .into_iter()
+                .map(|m| (m.uuid, m.atype))
+                .collect();

            let users: Vec<Value> =
                CollectionUser::find_by_org_and_coll_swap_user_uuid_with_member_uuid(&org_id, &collection.uuid, &conn)
@@ -908,9 +960,8 @@ async fn get_members(

    let mut users_json = Vec::new();
    for u in Membership::find_by_org(&org_id, &conn).await {
-        // The user can be a manager instead of an admin, but we've checked above that they have full access
        users_json.push(
-            u.to_json_details_for_admin(
+            u.to_json_user_details(
                data.include_collections.unwrap_or(false),
                data.include_groups.unwrap_or(false),
                &conn,
@@ -1030,7 +1081,7 @@ async fn send_invite(
        let user = match User::find_by_mail(email, &conn).await {
            None => {
                if !CONFIG.invitations_allowed() {
-                    err!(format!("User does not exist: {}", email.escape_debug()))
+                    err!(format!("User does not exist: {email}"))
                }

                if !CONFIG.is_email_domain_allowed(email) {
@@ -1048,7 +1099,7 @@ async fn send_invite(
            }
            Some(user) => {
                if Membership::find_by_user_and_org(&user.uuid, &org_id, &conn).await.is_some() {
-                    err!(format!("User already in organization: {}", email.escape_debug()))
+                    err!(format!("User already in organization: {email}"))
                }

                if !CONFIG.mail_enabled() {
@@ -1323,9 +1374,7 @@ async fn bulk_confirm_invite(
    match data.keys {
        Some(keys) => {
            for invite in keys {
-                let Some(member_id) = invite.id else {
-                    err!("Member id is required")
-                };
+                let member_id = invite.id.unwrap();
                let user_key = invite.key.unwrap_or_default();
                let err_msg = match confirm_invite_impl(&org_id, &member_id, &user_key, &headers, &conn, &nt).await {
                    Ok(()) => String::new(),
@@ -1467,9 +1516,7 @@ async fn get_user(
    // In this case, when groups are requested we also need to include collections.
    // Else these will not be shown in the interface, and could lead to missing collections when saved.
    let include_groups = data.include_groups.unwrap_or(false);
-    Ok(Json(
-        user.to_json_details_for_admin(data.include_collections.unwrap_or(include_groups), include_groups, &conn).await,
-    ))
+    Ok(Json(user.to_json_user_details(data.include_collections.unwrap_or(include_groups), include_groups, &conn).await))
 }

 #[derive(Deserialize)]
@@ -1483,6 +1530,17 @@ struct EditUserData {
 }

 #[put("/organizations/<org_id>/users/<member_id>", data = "<data>", rank = 1)]
+async fn put_member(
+    org_id: OrganizationId,
+    member_id: MembershipId,
+    data: Json<EditUserData>,
+    headers: AdminHeaders,
+    conn: DbConn,
+) -> EmptyResult {
+    edit_member(org_id, member_id, data, headers, conn).await
+}
+
+#[post("/organizations/<org_id>/users/<member_id>", data = "<data>", rank = 1)]
 async fn edit_member(
    org_id: OrganizationId,
    member_id: MembershipId,
@@ -1777,10 +1835,6 @@ async fn post_org_import(
    if org_id != headers.membership.org_uuid {
        err!("Organization not found", "Organization id's do not match");
    }
-    // OrgMemberHeaders also allows invited and accepted members, which are not allowed to import
-    if headers.membership.status != MembershipStatus::Confirmed as i32 {
-        err!("You need to be a Member of the Organization to call this endpoint")
-    }
    let data: ImportData = data.into_inner();

    // Validate the import before continuing
@@ -1831,7 +1885,7 @@ async fn post_org_import(
        cipher_data.folder_id = None;
        // Replace the client-provided, unvalidated organizationId with the real target org
        cipher_data.organization_id = Some(org_id.clone());
-        let mut cipher = Cipher::new(cipher_data.r#type, cipher_data.name.clone());
+        let mut cipher = Cipher::new(cipher_data.r#type, String::new());
        update_cipher_from_data(
            &mut cipher,
            cipher_data,
@@ -1862,7 +1916,7 @@ async fn post_org_import(
 #[serde(rename_all = "camelCase")]
 struct BulkCollectionsData {
    organization_id: OrganizationId,
-    cipher_ids: HashSet<CipherId>,
+    cipher_ids: Vec<CipherId>,
    collection_ids: HashSet<CollectionId>,
    remove_collections: bool,
 }
@@ -2141,6 +2195,18 @@ async fn put_policy(
    Ok(Json(policy.to_json()))
 }

+// Deprecated with client v2026.5.0
+#[put("/organizations/<org_id>/policies/<pol_type>/vnext", data = "<data>")]
+async fn put_policy_vnext(
+    org_id: OrganizationId,
+    pol_type: i32,
+    data: Json<PutPolicy>,
+    headers: AdminHeaders,
+    conn: DbConn,
+) -> JsonResult {
+    put_policy(org_id, pol_type, data, headers, conn).await
+}
+
 #[get("/plans")]
 fn get_plans() -> Json<Value> {
    // Respond with a minimal json just enough to allow the creation of an new organization.
@@ -2169,6 +2235,12 @@ fn get_plans() -> Json<Value> {
    }))
 }

+#[get("/organizations/<_org_id>/billing/metadata")]
+fn get_billing_metadata(_org_id: OrganizationId, _headers: OrgMemberHeaders) -> Json<Value> {
+    // Prevent a 404 error, which also causes Javascript errors.
+    Json(empty_data_json())
+}
+
 #[get("/organizations/<_org_id>/billing/vnext/warnings")]
 fn get_billing_warnings(_org_id: OrganizationId, _headers: OrgMemberHeaders) -> Json<Value> {
    Json(json!({
@@ -2188,6 +2260,14 @@ fn get_self_host_billing_metadata(_org_id: OrganizationId, _headers: OrgMemberHe
    }))
 }

+fn empty_data_json() -> Value {
+    json!({
+        "object": "list",
+        "data": [],
+        "continuationToken": null
+    })
+}
+
 #[derive(Deserialize, Debug)]
 #[serde(rename_all = "camelCase")]
 struct BulkRevokeMembershipIds {
@@ -2506,6 +2586,17 @@ impl CollectionData {
    }
 }

+#[post("/organizations/<org_id>/groups/<group_id>", data = "<data>")]
+async fn post_group(
+    org_id: OrganizationId,
+    group_id: GroupId,
+    data: Json<GroupRequest>,
+    headers: AdminHeaders,
+    conn: DbConn,
+) -> JsonResult {
+    put_group(org_id, group_id, data, headers, conn).await
+}
+
 #[post("/organizations/<org_id>/groups", data = "<data>")]
 async fn post_groups(
    org_id: OrganizationId,
@@ -2615,6 +2706,7 @@ async fn add_update_group(
        "id": group.uuid,
        "organizationId": group.organizations_uuid,
        "name": group.name,
+        "accessAll": group.access_all,
        "externalId": group.external_id,
        "object": "group"
    })))
@@ -2641,6 +2733,16 @@ async fn get_group_details(
    Ok(Json(group.to_json_details(&conn).await))
 }

+#[post("/organizations/<org_id>/groups/<group_id>/delete")]
+async fn post_delete_group(
+    org_id: OrganizationId,
+    group_id: GroupId,
+    headers: AdminHeaders,
+    conn: DbConn,
+) -> EmptyResult {
+    delete_group_impl(&org_id, &group_id, &headers, &conn).await
+}
+
 #[delete("/organizations/<org_id>/groups/<group_id>")]
 async fn delete_group(org_id: OrganizationId, group_id: GroupId, headers: AdminHeaders, conn: DbConn) -> EmptyResult {
    delete_group_impl(&org_id, &group_id, &headers, &conn).await
@@ -2742,6 +2844,90 @@ async fn get_group_members(
    Ok(Json(json!(group_members)))
 }

+#[put("/organizations/<org_id>/groups/<group_id>/users", data = "<data>")]
+async fn put_group_members(
+    org_id: OrganizationId,
+    group_id: GroupId,
+    headers: AdminHeaders,
+    data: Json<Vec<MembershipId>>,
+    conn: DbConn,
+) -> EmptyResult {
+    if org_id != headers.org_id {
+        err!("Organization not found", "Organization id's do not match");
+    }
+    if !CONFIG.org_groups_enabled() {
+        err!("Group support is disabled");
+    }
+
+    if Group::find_by_uuid_and_org(&group_id, &org_id, &conn).await.is_none() {
+        err!("Group could not be found!", "Group uuid is invalid or does not belong to the organization")
+    }
+
+    let assigned_members = data.into_inner();
+
+    let org_memberships = Membership::find_by_org(&org_id, &conn).await;
+    let org_membership_ids: HashSet<&MembershipId> = org_memberships.iter().map(|m| &m.uuid).collect();
+    if let Some(e) = assigned_members.iter().find(|m| !org_membership_ids.contains(m)) {
+        err!("Invalid member", format!("Member {} does not belong to organization {}!", e, org_id))
+    }
+
+    GroupUser::delete_all_by_group(&group_id, &org_id, &conn).await?;
+    for assigned_member in assigned_members {
+        let mut user_entry = GroupUser::new(group_id.clone(), assigned_member.clone());
+        user_entry.save(&conn).await?;
+
+        log_event(
+            EventType::OrganizationUserUpdatedGroups,
+            &assigned_member,
+            &org_id,
+            &headers.user.uuid,
+            headers.device.atype,
+            &headers.ip.ip,
+            &conn,
+        )
+        .await;
+    }
+
+    Ok(())
+}
+
+#[post("/organizations/<org_id>/groups/<group_id>/delete-user/<member_id>")]
+async fn post_delete_group_member(
+    org_id: OrganizationId,
+    group_id: GroupId,
+    member_id: MembershipId,
+    headers: AdminHeaders,
+    conn: DbConn,
+) -> EmptyResult {
+    if org_id != headers.org_id {
+        err!("Organization not found", "Organization id's do not match");
+    }
+    if !CONFIG.org_groups_enabled() {
+        err!("Group support is disabled");
+    }
+
+    if Membership::find_by_uuid_and_org(&member_id, &org_id, &conn).await.is_none() {
+        err!("User could not be found or does not belong to the organization.");
+    }
+
+    if Group::find_by_uuid_and_org(&group_id, &org_id, &conn).await.is_none() {
+        err!("Group could not be found or does not belong to the organization.");
+    }
+
+    log_event(
+        EventType::OrganizationUserUpdatedGroups,
+        &member_id,
+        &org_id,
+        &headers.user.uuid,
+        headers.device.atype,
+        &headers.ip.ip,
+        &conn,
+    )
+    .await;
+
+    GroupUser::delete_by_group_and_member(&group_id, &member_id, &conn).await
+}
+
 #[derive(Deserialize)]
 #[serde(rename_all = "camelCase")]
 struct OrganizationUserResetPasswordEnrollmentRequest {
@@ -2753,14 +2939,9 @@ struct OrganizationUserResetPasswordEnrollmentRequest {
 #[derive(Deserialize)]
 #[serde(rename_all = "camelCase")]
 struct OrganizationUserRecoverAccountRequest {
-    // Legacy payload
    new_master_password_hash: Option<String>,
    key: Option<String>,

-    // Current payload
-    authentication_data: Option<AuthenticationData>,
-    unlock_data: Option<UnlockData>,
-
    #[serde(default)]
    reset_master_password: bool,
    #[serde(default)]
@@ -2806,6 +2987,19 @@ async fn put_recover_account(
    recover_account(org_id, member_id, headers, data.into_inner(), conn, nt).await
 }

+// Deprecated since `v2026.4.2`
+#[put("/organizations/<org_id>/users/<member_id>/reset-password", data = "<data>")]
+async fn put_reset_password(
+    org_id: OrganizationId,
+    member_id: MembershipId,
+    headers: AdminHeaders,
+    data: Json<OrganizationUserRecoverAccountRequest>,
+    conn: DbConn,
+    nt: Notify<'_>,
+) -> EmptyResult {
+    recover_account(org_id, member_id, headers, data.into_inner(), conn, nt).await
+}
+
 async fn recover_account(
    org_id: OrganizationId,
    member_id: MembershipId,
@@ -2838,34 +3032,10 @@ async fn recover_account(
        err!("Organization user must be confirmed for password reset functionality");
    }

-    let fallback_2fa_email =
-        if req.reset_two_factor && CONFIG.mail_enabled() && CONFIG.email_2fa_auto_fallback() && user.verified() {
-            TwoFactor::find_by_user_and_type(&user.uuid, TwoFactorType::Email, &conn).await.is_none()
-        } else {
-            false
-        };
-
-    // Check the new password before the email below, so that a rejected request doesn't tell the user
-    // their password was reset
-    let new_password = if req.reset_master_password {
-        let (new_master_password_hash, new_key) = if let (Some(authentication_data), Some(unlock_data)) =
-            (req.authentication_data, req.unlock_data)
-        {
-            authentication_data.check(&user, &unlock_data)?;
-
-            if !authentication_data.kdf.matches_user(&user) {
-                err!("KDF settings do not match the user account")
-            }
-
-            (authentication_data.master_password_authentication_hash, unlock_data.master_key_wrapped_user_key)
-        } else if let (Some(new_master_password_hash), Some(new_key)) = (req.new_master_password_hash, req.key) {
-            (new_master_password_hash, new_key)
-        } else {
-            err_code!("Unprocessable request", "Missing fields to reset password", Status::UnprocessableEntity.code);
-        };
-        Some((new_master_password_hash, new_key))
+    let fallback_2fa_email = if req.reset_two_factor && CONFIG.email_2fa_auto_fallback() {
+        TwoFactor::find_by_user_and_type(&user.uuid, TwoFactorType::Email as i32, &conn).await.is_none()
    } else {
-        None
+        false
    };

    // Sending email first ensure working email configuration and the resulting user notification.
@@ -2883,13 +3053,18 @@ async fn recover_account(
        err!(format!("Error sending user reset password email: {e:#?}"));
    }

-    if let Some((new_master_password_hash, new_key)) = new_password {
-        user.set_password(&new_master_password_hash, Some(new_key), true, None, &conn).await?;
+    if req.reset_master_password {
+        if let Some(key) = req.key
+            && let Some(hash) = req.new_master_password_hash
+        {
+            user.set_password(hash.as_str(), Some(key), true, None, &conn).await?;
+        } else {
+            err_code!("Unprocessable request", "Missing fields to reset password", Status::UnprocessableEntity.code);
+        }
    }

    if req.reset_two_factor {
        TwoFactor::delete_all_by_user(&user.uuid, &conn).await?;
-        Device::clear_twofactor_remember_by_user(&user.uuid, &conn).await?;
        if !fallback_2fa_email || two_factor::email::find_and_activate_email_2fa(&user.uuid, &conn).await.is_err() {
            two_factor::enforce_2fa_policy(&user, &headers.user.uuid, headers.device.atype, &headers.ip.ip, &conn)
                .await?;
@@ -2943,7 +3118,6 @@ async fn get_reset_password_details(
        "kdfIterations": user.client_kdf_iter,
        "kdfMemory": user.client_kdf_memory,
        "kdfParallelism": user.client_kdf_parallelism,
-        "masterPasswordSalt": user.master_password_salt(),
        "resetPasswordKey": member.reset_password_key,
        "encryptedPrivateKey": org.private_key,
    })))
@@ -3059,7 +3233,7 @@ async fn api_key(
    org_id: &OrganizationId,
    data: Json<PasswordOrOtpData>,
    rotate: bool,
-    headers: OwnerHeaders,
+    headers: AdminHeaders,
    conn: DbConn,
 ) -> JsonResult {
    if org_id != &headers.org_id {
@@ -3068,7 +3242,7 @@ async fn api_key(
    let data: PasswordOrOtpData = data.into_inner();
    let user = headers.user;

-    // Validate the owner users password/otp
+    // Validate the admin users password/otp
    data.validate(&user, true, &conn).await?;

    let org_api_key = if let Some(mut org_api_key) = OrganizationApiKey::find_by_org_uuid(org_id, &conn).await {
@@ -3096,7 +3270,7 @@ async fn api_key(
 async fn post_api_key(
    org_id: OrganizationId,
    data: Json<PasswordOrOtpData>,
-    headers: OwnerHeaders,
+    headers: AdminHeaders,
    conn: DbConn,
 ) -> JsonResult {
    api_key(&org_id, data, false, headers, conn).await
@@ -3106,7 +3280,7 @@ async fn post_api_key(
 async fn rotate_api_key(
    org_id: OrganizationId,
    data: Json<PasswordOrOtpData>,
-    headers: OwnerHeaders,
+    headers: AdminHeaders,
    conn: DbConn,
 ) -> JsonResult {
    api_key(&org_id, data, true, headers, conn).await
@@ -58,13 +58,25 @@ async fn ldap_import(data: Json<OrgImportData>, token: PublicToken, conn: DbConn
    let org_id = token.0;
    let data = data.into_inner();

-    // Like upstream, the import never removes Owners, so it doesn't revoke or restore them either.
    for user_data in &data.members {
        let mut user_created: bool = false;
        if user_data.deleted {
            // If user is marked for deletion and it exists, revoke it
            if let Some(mut member) = Membership::find_by_email_and_org(&user_data.email, &org_id, &conn).await {
-                let revoked = member.atype != MembershipType::Owner && member.revoke();
+                // Only revoke a user if it is not the last confirmed owner
+                let revoked = if member.atype == MembershipType::Owner
+                    && member.status == MembershipStatus::Confirmed as i32
+                {
+                    if Membership::count_confirmed_by_org_and_type(&org_id, MembershipType::Owner, &conn).await <= 1 {
+                        warn!("Can't revoke the last owner");
+                        false
+                    } else {
+                        member.revoke()
+                    }
+                } else {
+                    member.revoke()
+                };
+
                let ext_modified = member.set_external_id(Some(user_data.external_id.clone()));
                if revoked || ext_modified {
                    member.save(&conn).await?;
@@ -72,7 +84,7 @@ async fn ldap_import(data: Json<OrgImportData>, token: PublicToken, conn: DbConn
            }
        // If user is part of the organization, restore it
        } else if let Some(mut member) = Membership::find_by_email_and_org(&user_data.email, &org_id, &conn).await {
-            let mut restored = member.atype != MembershipType::Owner && member.restore();
+            let mut restored = member.restore();
            let ext_modified = member.set_external_id(Some(user_data.external_id.clone()));
            // Enforce org policies as every other restore path does.
            // If the user is not allowed, we revoke again and continue so the external_id is still updated.
@@ -137,13 +149,9 @@ async fn ldap_import(data: Json<OrgImportData>, token: PublicToken, conn: DbConn

    if CONFIG.org_groups_enabled() {
        for group_data in &data.groups {
-            let group_uuid = if let Some(mut group) =
+            let group_uuid = if let Some(group) =
                Group::find_by_external_id_and_org(&group_data.external_id, &org_id, &conn).await
            {
-                if group.name != group_data.name {
-                    group.name = group_data.name.clone();
-                    group.save(&conn).await?;
-                }
                group.uuid
            } else {
                let mut group =
@@ -172,8 +180,14 @@ async fn ldap_import(data: Json<OrgImportData>, token: PublicToken, conn: DbConn
        for member in Membership::find_by_org(&org_id, &conn).await {
            if let Some(ref user_external_id) = member.external_id
                && !sync_members.contains(user_external_id)
-                && member.atype != MembershipType::Owner
            {
+                if member.atype == MembershipType::Owner && member.status == MembershipStatus::Confirmed as i32 {
+                    // Removing owner, check that there is at least one other confirmed owner
+                    if Membership::count_confirmed_by_org_and_type(&org_id, MembershipType::Owner, &conn).await <= 1 {
+                        warn!("Can't delete the last owner");
+                        continue;
+                    }
+                }
                member.delete(&conn).await?;
            }
        }
@@ -12,7 +12,7 @@ use serde_json::Value;
 use crate::{
    CONFIG,
    api::{ApiResult, EmptyResult, JsonResult, Notify, UpdateType},
-    auth::{Headers, Host, SendHeaders},
+    auth::{ClientIp, Headers, Host, SendHeaders},
    config::PathType,
    db::{
        DbConn, DbPool,
@@ -23,7 +23,7 @@ use crate::{

 const SEND_INACCESSIBLE_MSG: &str = "Send does not exist or is no longer available";
 static ANON_PUSH_DEVICE: LazyLock<Device> = LazyLock::new(|| {
-    let dt = DateTime::UNIX_EPOCH.naive_utc();
+    let dt = crate::util::parse_date("1970-01-01T00:00:00.000000Z");
    Device {
        uuid: String::from("00000000-0000-0000-0000-000000000000").into(),
        created_at: dt,
@@ -39,15 +39,18 @@ static ANON_PUSH_DEVICE: LazyLock<Device> = LazyLock::new(|| {
 });

 // The max file size allowed by Bitwarden clients and add an extra 5% to avoid issues
-pub(crate) const SIZE_525_MB: i64 = 550_502_400;
+const SIZE_525_MB: i64 = 550_502_400;

 pub fn routes() -> Vec<rocket::Route> {
    routes![
        get_sends,
        get_send,
        post_send,
+        post_send_file,
        post_access,
+        post_access_legacy,
        post_access_file,
+        post_access_file_legacy,
        put_send,
        delete_send,
        put_remove_password,
@@ -70,7 +73,7 @@ pub async fn purge_sends(pool: DbPool) {
 #[serde(rename_all = "camelCase")]
 pub struct SendData {
    r#type: i32,
-    pub key: String,
+    key: String,
    password: Option<String>,
    max_access_count: Option<NumberOrString>,
    expiration_date: Option<DateTime<Utc>>,
@@ -198,7 +201,7 @@ async fn post_send(data: Json<SendData>, headers: Headers, conn: DbConn, nt: Not
    enforce_disable_hide_email_policy(&data, &headers, &conn).await?;

    if data.r#type == SendType::File as i32 {
-        err!("File sends should use /api/sends/file/v2")
+        err!("File sends should use /api/sends/file")
    }

    let mut send = create_send(data, headers.user.uuid)?;
@@ -215,11 +218,93 @@ async fn post_send(data: Json<SendData>, headers: Headers, conn: DbConn, nt: Not
    Ok(Json(send.to_json()))
 }

+#[derive(FromForm)]
+struct UploadData<'f> {
+    model: Json<SendData>,
+    data: TempFile<'f>,
+}
+
 #[derive(FromForm)]
 struct UploadDataV2<'f> {
    data: TempFile<'f>,
 }

+// @deprecated Mar 25 2021: This method has been deprecated in favor of direct uploads (v2).
+// This method still exists to support older clients, probably need to remove it sometime.
+// Upstream: https://github.com/bitwarden/server/blob/d0c793c95181dfb1b447eb450f85ba0bfd7ef643/src/Api/Controllers/SendsController.cs#L164-L167
+// 2025: This endpoint doesn't seem to exists anymore in the latest version
+// See: https://github.com/bitwarden/server/blob/9ebe16587175b1c0e9208f84397bb75d0d595510/src/Api/Tools/Controllers/SendsController.cs
+#[post("/sends/file", format = "multipart/form-data", data = "<data>")]
+async fn post_send_file(data: Form<UploadData<'_>>, headers: Headers, conn: DbConn, nt: Notify<'_>) -> JsonResult {
+    enforce_disable_send_policy(&headers, &conn).await?;
+
+    let UploadData {
+        model,
+        data,
+    } = data.into_inner();
+    let model = model.into_inner();
+
+    let Some(size) = data.len().to_i64() else {
+        err!("Invalid send size");
+    };
+    if size < 0 {
+        err!("Send size can't be negative")
+    }
+
+    enforce_disable_hide_email_policy(&model, &headers, &conn).await?;
+
+    let size_limit = match CONFIG.user_send_limit() {
+        Some(0) => err!("File uploads are disabled"),
+        Some(limit_kb) => {
+            let Some(already_used) = Send::size_by_user(&headers.user.uuid, &conn).await else {
+                err!("Existing sends overflow")
+            };
+            let Some(left) = limit_kb.checked_mul(1024).and_then(|l| l.checked_sub(already_used)) else {
+                err!("Send size overflow");
+            };
+            if left <= 0 {
+                err!("Send storage limit reached! Delete some sends to free up space")
+            }
+            i64::clamp(left, 0, SIZE_525_MB)
+        }
+        None => SIZE_525_MB,
+    };
+
+    if size > size_limit {
+        err!("Send storage limit exceeded with this file");
+    }
+
+    let mut send = create_send(model, headers.user.uuid)?;
+    if send.atype != SendType::File as i32 {
+        err!("Send content is not a file");
+    }
+
+    let file_id = crate::crypto::generate_send_file_id();
+
+    save_temp_file(&PathType::Sends, &format!("{}/{file_id}", send.uuid), data, true).await?;
+
+    let mut data_value: Value = serde_json::from_str(&send.data)?;
+    if let Some(o) = data_value.as_object_mut() {
+        o.insert(String::from("id"), Value::String(file_id));
+        o.insert(String::from("size"), Value::Number(size.into()));
+        o.insert(String::from("sizeName"), Value::String(crate::util::get_display_size(size)));
+    }
+    send.data = serde_json::to_string(&data_value)?;
+
+    // Save the changes in the database
+    send.save(&conn).await?;
+    nt.send_send_update(
+        UpdateType::SyncSendCreate,
+        &send,
+        &send.update_users_revision(&conn).await,
+        &headers.device,
+        &conn,
+    )
+    .await;
+
+    Ok(Json(send.to_json()))
+}
+
 // Upstream: https://github.com/bitwarden/server/blob/9ebe16587175b1c0e9208f84397bb75d0d595510/src/Api/Tools/Controllers/SendsController.cs#L165
 #[post("/sends/file/v2", data = "<data>")]
 async fn post_send_file_v2(data: Json<SendData>, headers: Headers, conn: DbConn) -> JsonResult {
@@ -328,8 +413,8 @@ async fn post_send_file_v2_data(
            "Send file name does not match.",
            format!(
                "Expected file name '{}' got '{}'",
-                send_data.fileName.escape_debug(),
-                raw_file_name.dangerous_unsafe_unsanitized_raw().as_str().escape_debug()
+                send_data.fileName,
+                raw_file_name.dangerous_unsafe_unsanitized_raw()
            )
        ),
        _ => err!("Send file name does not match or is not provided."),
@@ -365,16 +450,63 @@ async fn post_send_file_v2_data(

 #[post("/sends/access")]
 async fn post_access(headers: SendHeaders, conn: DbConn, nt: Notify<'_>) -> JsonResult {
-    let Some(mut send) = Send::find_by_uuid(&headers.send_id, &conn).await else {
+    let Some(send) = Send::find_by_uuid(&headers.send_id, &conn).await else {
        err_code!(SEND_INACCESSIBLE_MSG, 404)
    };
    if !send.is_accessible() {
        err_code!(SEND_INACCESSIBLE_MSG, 404)
    }
-    // Files are incremented during the download
-    if send.atype == SendType::Text as i32 && !send.register_access(&conn).await? {
+    process_access(send, conn, nt).await
+}
+
+#[derive(Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct SendAccessData {
+    pub password: Option<String>,
+}
+
+// Legacy since web-2026.6.0
+#[post("/sends/access/<access_id>", data = "<data>")]
+async fn post_access_legacy(
+    access_id: &str,
+    data: Json<SendAccessData>,
+    conn: DbConn,
+    ip: ClientIp,
+    nt: Notify<'_>,
+) -> JsonResult {
+    crate::ratelimit::check_limit_unauthenticated(&ip.ip)?;
+
+    let Some(mut send) = Send::find_by_access_id(access_id, &conn).await else {
+        err_code!(SEND_INACCESSIBLE_MSG, 404)
+    };
+
+    if let Some(max_access_count) = send.max_access_count
+        && send.access_count >= max_access_count
+    {
+        err_code!(SEND_INACCESSIBLE_MSG, 404);
+    }
+
+    if !send.is_accessible() {
        err_code!(SEND_INACCESSIBLE_MSG, 404)
    }
+
+    if send.password_hash.is_some() {
+        match data.into_inner().password {
+            Some(ref p) if send.check_password(p) => { /* Nothing to do here */ }
+            Some(_) => err!("Invalid password", format!("IP: {}.", ip.ip)),
+            None => err_code!("Password not provided", format!("IP: {}.", ip.ip), 401),
+        }
+    }
+
+    // Files are incremented during the download
+    if send.atype == SendType::Text as i32 {
+        if !send.register_access(&conn).await? {
+            err_code!(SEND_INACCESSIBLE_MSG, 404)
+        }
+    } else {
+        send.save(&conn).await?;
+    }
+
    process_access(send, conn, nt).await
 }

@@ -399,27 +531,55 @@ async fn post_access_file(
    conn: DbConn,
    nt: Notify<'_>,
 ) -> JsonResult {
-    let Some(mut send) = Send::find_by_uuid(&headers.send_id, &conn).await else {
+    let Some(send) = Send::find_by_uuid(&headers.send_id, &conn).await else {
        err_code!(SEND_INACCESSIBLE_MSG, 404)
    };
    if !send.is_accessible() {
        err_code!(SEND_INACCESSIBLE_MSG, 404)
    }
-    check_send_file_id(&send, &file_id)?;
-    if !send.register_access(&conn).await? {
-        err_code!(SEND_INACCESSIBLE_MSG, 404)
-    }
    process_access_file(send, file_id, host, conn, nt).await
 }

-fn check_send_file_id(send: &Send, file_id: &SendFileId) -> EmptyResult {
-    if send.atype != SendType::File as i32 {
-        err!("Send is not a file type send.");
+// Legacy since web-2026.6.0
+#[post("/sends/<send_id>/access/file/<file_id>", data = "<data>")]
+async fn post_access_file_legacy(
+    send_id: SendId,
+    file_id: SendFileId,
+    data: Json<SendAccessData>,
+    host: Host,
+    conn: DbConn,
+    ip: ClientIp,
+    nt: Notify<'_>,
+) -> JsonResult {
+    crate::ratelimit::check_limit_unauthenticated(&ip.ip)?;
+
+    let Some(mut send) = Send::find_by_uuid(&send_id, &conn).await else {
+        err_code!(SEND_INACCESSIBLE_MSG, 404)
+    };
+
+    if let Some(max_access_count) = send.max_access_count
+        && send.access_count >= max_access_count
+    {
+        err_code!(SEND_INACCESSIBLE_MSG, 404)
    }
-    match serde_json::from_str::<SendFileData>(&send.data) {
-        Ok(data) if &data.id == file_id => Ok(()),
-        _ => err_code!(SEND_INACCESSIBLE_MSG, 404),
+
+    if !send.is_accessible() {
+        err_code!(SEND_INACCESSIBLE_MSG, 404)
    }
+
+    if send.password_hash.is_some() {
+        match data.into_inner().password {
+            Some(ref p) if send.check_password(p) => { /* Nothing to do here */ }
+            Some(_) => err!("Invalid password."),
+            None => err_code!("Password not provided", 401),
+        }
+    }
+
+    if !send.register_access(&conn).await? {
+        err_code!(SEND_INACCESSIBLE_MSG, 404)
+    }
+
+    process_access_file(send, file_id, host, conn, nt).await
 }

 async fn process_access_file(send: Send, file_id: SendFileId, host: Host, conn: DbConn, nt: Notify<'_>) -> JsonResult {
@@ -482,7 +642,7 @@ async fn put_send(send_id: SendId, data: Json<SendData>, headers: Headers, conn:
    Ok(Json(send.to_json()))
 }

-async fn update_send_from_data(
+pub async fn update_send_from_data(
    send: &mut Send,
    data: SendData,
    headers: &Headers,
@@ -3,7 +3,7 @@ use rocket::{Route, serde::json::Json};

 use crate::{
    api::{EmptyResult, JsonResult, PasswordOrOtpData, core::log_user_event, core::two_factor::generate_recover_code},
-    auth::{ClientIp, Headers, two_factor},
+    auth::{ClientIp, Headers},
    crypto,
    db::{
        DbConn,
@@ -20,23 +20,27 @@ pub fn routes() -> Vec<Route> {

 #[post("/two-factor/get-authenticator", data = "<data>")]
 async fn generate_authenticator(data: Json<PasswordOrOtpData>, headers: Headers, conn: DbConn) -> JsonResult {
+    let data: PasswordOrOtpData = data.into_inner();
    let user = headers.user;

    data.validate(&user, false, &conn).await?;

-    let twofactor = TwoFactor::find_by_user_and_type(&user.uuid, TwoFactorType::Authenticator, &conn).await;
+    let type_ = TwoFactorType::Authenticator as i32;
+    let twofactor = TwoFactor::find_by_user_and_type(&user.uuid, type_, &conn).await;

    let (enabled, key) = match twofactor {
        Some(tf) => (true, tf.data),
        _ => (false, crypto::encode_random_bytes::<20>(&BASE32)),
    };

+    // Upstream seems to also return `userVerificationToken`, but doesn't seem to be used at all.
+    // It should help prevent TOTP disclosure if someone keeps their vault unlocked.
+    // Since it doesn't seem to be used, and also does not cause any issues, lets leave it out of the response.
+    // See: https://github.com/bitwarden/server/blob/9ebe16587175b1c0e9208f84397bb75d0d595510/src/Api/Auth/Controllers/TwoFactorController.cs#L94
    Ok(Json(json!({
-        "authenticator": json!({
-            "enabled": enabled,
-            "key": key,
-        }),
-        "userVerificationToken": two_factor::authenticator_token(user.uuid, key, enabled),
+        "enabled": enabled,
+        "key": key,
+        "object": "twoFactorAuthenticator"
    })))
 }

@@ -45,7 +49,8 @@ async fn generate_authenticator(data: Json<PasswordOrOtpData>, headers: Headers,
 struct EnableAuthenticatorData {
    key: String,
    token: NumberOrString,
-    user_verification_token: String,
+    master_password_hash: Option<String>,
+    otp: Option<String>,
 }

 #[post("/two-factor/authenticator", data = "<data>")]
@@ -56,7 +61,12 @@ async fn activate_authenticator(data: Json<EnableAuthenticatorData>, headers: He

    let mut user = headers.user;

-    two_factor::validate_authenticator(&data.user_verification_token, &user.uuid, &key, false)?;
+    PasswordOrOtpData {
+        master_password_hash: data.master_password_hash,
+        otp: data.otp,
+    }
+    .validate(&user, true, &conn)
+    .await?;

    // Validate key as base32 and 20 bytes length
    let decoded_key: Vec<u8> = if let Ok(decoded) = BASE32.decode(key.as_bytes()) {
@@ -74,13 +84,12 @@ async fn activate_authenticator(data: Json<EnableAuthenticatorData>, headers: He

    generate_recover_code(&mut user, &conn).await;

-    log_user_event(EventType::UserUpdated2fa, &user.uuid, headers.device.atype, &headers.ip.ip, &conn).await;
+    log_user_event(EventType::UserUpdated2fa as i32, &user.uuid, headers.device.atype, &headers.ip.ip, &conn).await;

    Ok(Json(json!({
-        "authenticator": json!({
-            "enabled": true,
-            "key": key,
-        }),
+        "enabled": true,
+        "key": key,
+        "object": "twoFactorAuthenticator"
    })))
 }

@@ -116,7 +125,8 @@ pub async fn validate_totp_code(
        err!("Invalid TOTP secret")
    };

-    let mut twofactor = match TwoFactor::find_by_user_and_type(user_id, TwoFactorType::Authenticator, conn).await {
+    let mut twofactor = match TwoFactor::find_by_user_and_type(user_id, TwoFactorType::Authenticator as i32, conn).await
+    {
        Some(tf) => tf,
        _ => TwoFactor::new(user_id.clone(), TwoFactorType::Authenticator, secret.to_owned()),
    };
@@ -174,25 +184,36 @@ pub async fn validate_totp_code(
 #[serde(rename_all = "camelCase")]
 struct DisableAuthenticatorData {
    key: String,
-    user_verification_token: String,
+    master_password_hash: String,
+    r#type: NumberOrString,
 }

 #[delete("/two-factor/authenticator", data = "<data>")]
-async fn disable_authenticator(data: Json<DisableAuthenticatorData>, headers: Headers, conn: DbConn) -> EmptyResult {
+async fn disable_authenticator(data: Json<DisableAuthenticatorData>, headers: Headers, conn: DbConn) -> JsonResult {
    let user = headers.user;
+    let type_ = data.r#type.into_i32()?;

-    two_factor::validate_authenticator(&data.user_verification_token, &user.uuid, &data.key, true)?;
+    if !user.check_valid_password(&data.master_password_hash) {
+        err!("Invalid password");
+    }

-    if let Some(twofactor) = TwoFactor::find_by_user_and_type(&user.uuid, TwoFactorType::Authenticator, &conn).await {
+    if let Some(twofactor) = TwoFactor::find_by_user_and_type(&user.uuid, type_, &conn).await {
        if twofactor.data == data.key {
            twofactor.delete(&conn).await?;
-            log_user_event(EventType::UserDisabled2fa, &user.uuid, headers.device.atype, &headers.ip.ip, &conn).await;
+            log_user_event(EventType::UserDisabled2fa as i32, &user.uuid, headers.device.atype, &headers.ip.ip, &conn)
+                .await;
        } else {
            err!(format!("TOTP key for user {} does not match recorded value, cannot deactivate", &user.email));
        }
    }

-    super::check_2fa_state(&user, headers.device.atype, &headers.ip.ip, &conn).await?;
+    if TwoFactor::find_by_user(&user.uuid, &conn).await.is_empty() {
+        super::enforce_2fa_policy(&user, &user.uuid, headers.device.atype, &headers.ip.ip, &conn).await?;
+    }

-    Ok(())
+    Ok(Json(json!({
+        "enabled": false,
+        "keys": type_,
+        "object": "twoFactorProvider"
+    })))
 }
@@ -1,13 +1,14 @@
 use chrono::Utc;
+use data_encoding::BASE64;
 use rocket::{Route, serde::json::Json};

 use crate::{
+    CONFIG,
    api::{
-        ApiResult, EmptyResult, JsonResult, PasswordOrOtpData,
-        core::log_user_event,
-        core::two_factor::{VerificationTokenData, generate_recover_code},
+        ApiResult, EmptyResult, JsonResult, PasswordOrOtpData, core::log_user_event,
+        core::two_factor::generate_recover_code,
    },
-    auth::{Headers, two_factor, two_factor::DuoData},
+    auth::Headers,
    crypto,
    db::{
        DbConn,
@@ -18,7 +19,55 @@ use crate::{
 };

 pub fn routes() -> Vec<Route> {
-    routes![get_duo, activate_duo, activate_duo_put, disable_duo,]
+    routes![get_duo, activate_duo, activate_duo_put,]
+}
+
+#[derive(Serialize, Deserialize)]
+struct DuoData {
+    host: String, // Duo API hostname
+    ik: String,   // client id
+    sk: String,   // client secret
+}
+
+impl DuoData {
+    fn global() -> Option<Self> {
+        match (CONFIG._enable_duo(), CONFIG.duo_host()) {
+            (true, Some(host)) => Some(Self {
+                host,
+                ik: CONFIG.duo_ikey().unwrap(),
+                sk: CONFIG.duo_skey().unwrap(),
+            }),
+            _ => None,
+        }
+    }
+    fn msg(s: &str) -> Self {
+        Self {
+            host: s.into(),
+            ik: s.into(),
+            sk: s.into(),
+        }
+    }
+    fn secret() -> Self {
+        Self::msg("<global_secret>")
+    }
+    fn obscure(self) -> Self {
+        let mut host = self.host;
+        let mut ik = self.ik;
+        let mut sk = self.sk;
+
+        let digits = 4;
+        let replaced = "************";
+
+        host.replace_range(digits.., replaced);
+        ik.replace_range(digits.., replaced);
+        sk.replace_range(digits.., replaced);
+
+        Self {
+            host,
+            ik,
+            sk,
+        }
+    }
 }

 enum DuoStatus {
@@ -47,19 +96,22 @@ async fn get_duo(data: Json<PasswordOrOtpData>, headers: Headers, conn: DbConn)

    data.validate(&user, false, &conn).await?;

-    let (enabled, duo) = match get_user_duo_data(&user.uuid, &conn).await {
+    let data = get_user_duo_data(&user.uuid, &conn).await;
+
+    let (enabled, data) = match data {
        DuoStatus::Global(_) => (true, Some(DuoData::secret())),
        DuoStatus::User(data) => (true, Some(data.obscure())),
        DuoStatus::Disabled(true) => (false, Some(DuoData::msg(DISABLED_MESSAGE_DEFAULT))),
        DuoStatus::Disabled(false) => (false, None),
    };

-    let duo_json = if let Some(data) = duo.as_ref() {
+    let json = if let Some(data) = data {
        json!({
            "enabled": enabled,
            "host": data.host,
            "clientSecret": data.sk,
            "clientId": data.ik,
+            "object": "twoFactorDuo"
        })
    } else {
        json!({
@@ -67,13 +119,11 @@ async fn get_duo(data: Json<PasswordOrOtpData>, headers: Headers, conn: DbConn)
            "host": null,
            "clientSecret": null,
            "clientId": null,
+            "object": "twoFactorDuo"
        })
    };

-    Ok(Json(rocket::serde::json::json!({
-        "duo": duo_json,
-        "userVerificationToken": two_factor::duo_token(user.uuid, duo, enabled),
-    })))
+    Ok(Json(json))
 }

 #[derive(Deserialize)]
@@ -82,7 +132,8 @@ struct EnableDuoData {
    host: String,
    client_secret: String,
    client_id: String,
-    user_verification_token: String,
+    master_password_hash: Option<String>,
+    otp: Option<String>,
 }

 impl From<EnableDuoData> for DuoData {
@@ -109,7 +160,12 @@ async fn activate_duo(data: Json<EnableDuoData>, headers: Headers, conn: DbConn)
    let data: EnableDuoData = data.into_inner();
    let mut user = headers.user;

-    two_factor::validate_duo(&data.user_verification_token, &user.uuid, None, false)?;
+    PasswordOrOtpData {
+        master_password_hash: data.master_password_hash.clone(),
+        otp: data.otp.clone(),
+    }
+    .validate(&user, true, &conn)
+    .await?;

    let (data, data_str) = if check_duo_fields_custom(&data) {
        let data_req: DuoData = data.into();
@@ -126,15 +182,14 @@ async fn activate_duo(data: Json<EnableDuoData>, headers: Headers, conn: DbConn)

    generate_recover_code(&mut user, &conn).await;

-    log_user_event(EventType::UserUpdated2fa, &user.uuid, headers.device.atype, &headers.ip.ip, &conn).await;
+    log_user_event(EventType::UserUpdated2fa as i32, &user.uuid, headers.device.atype, &headers.ip.ip, &conn).await;

    Ok(Json(json!({
-        "duo": json!({
-            "enabled": true,
-            "host": data.host,
-            "clientSecret": data.sk,
-            "clientId": data.ik,
-        }),
+        "enabled": true,
+        "host": data.host,
+        "clientSecret": data.sk,
+        "clientId": data.ik,
+        "object": "twoFactorDuo"
    })))
 }

@@ -143,29 +198,6 @@ async fn activate_duo_put(data: Json<EnableDuoData>, headers: Headers, conn: DbC
    activate_duo(data, headers, conn).await
 }

-#[delete("/two-factor/duo", data = "<data>")]
-async fn disable_duo(data: Json<VerificationTokenData>, headers: Headers, conn: DbConn) -> EmptyResult {
-    let user = headers.user;
-
-    if let Some(twofactor) = TwoFactor::find_by_user_and_type(&user.uuid, TwoFactorType::Duo, &conn).await {
-        // Apply the same transformation than in `get_duo` to check we are disabling the correct one
-        let duo = match to_user_duo_data(&twofactor) {
-            DuoStatus::Global(_) => Some(DuoData::secret()),
-            DuoStatus::User(data) => Some(data.obscure()),
-            DuoStatus::Disabled(_) => None,
-        };
-
-        two_factor::validate_duo(&data.user_verification_token, &user.uuid, duo.as_ref(), true)?;
-
-        twofactor.delete(&conn).await?;
-        log_user_event(EventType::UserDisabled2fa, &user.uuid, headers.device.atype, &headers.ip.ip, &conn).await;
-    }
-
-    super::check_2fa_state(&user, headers.device.atype, &headers.ip.ip, &conn).await?;
-
-    Ok(())
-}
-
 async fn duo_api_request(method: &str, path: &str, params: &str, data: &DuoData) -> EmptyResult {
    use reqwest::{Method, header};
    use std::str::FromStr;
@@ -190,16 +222,21 @@ async fn duo_api_request(method: &str, path: &str, params: &str, data: &DuoData)
    Ok(())
 }

+const DUO_EXPIRE: i64 = 300;
+const APP_EXPIRE: i64 = 3600;
+
+const AUTH_PREFIX: &str = "AUTH";
+const DUO_PREFIX: &str = "TX";
+const APP_PREFIX: &str = "APP";
+
 async fn get_user_duo_data(user_id: &UserId, conn: &DbConn) -> DuoStatus {
+    let type_ = TwoFactorType::Duo as i32;
+
    // If the user doesn't have an entry, disabled
-    let Some(twofactor) = TwoFactor::find_by_user_and_type(user_id, TwoFactorType::Duo, conn).await else {
+    let Some(twofactor) = TwoFactor::find_by_user_and_type(user_id, type_, conn).await else {
        return DuoStatus::Disabled(DuoData::global().is_some());
    };

-    to_user_duo_data(&twofactor)
-}
-
-fn to_user_duo_data(twofactor: &TwoFactor) -> DuoStatus {
    // If the user has the required values, we use those
    if let Ok(data) = serde_json::from_str(&twofactor.data) {
        return DuoStatus::User(data);
@@ -214,13 +251,118 @@ fn to_user_duo_data(twofactor: &TwoFactor) -> DuoStatus {
    DuoStatus::Disabled(false)
 }

-// let (ik, sk, host) = get_duo_keys_email();
-pub(crate) async fn get_duo_keys_email(email: &str, conn: &DbConn) -> ApiResult<(String, String, String)> {
+// let (ik, sk, ak, host) = get_duo_keys();
+pub(crate) async fn get_duo_keys_email(email: &str, conn: &DbConn) -> ApiResult<(String, String, String, String)> {
    let data = match User::find_by_mail(email, conn).await {
        Some(u) => get_user_duo_data(&u.uuid, conn).await.data(),
        _ => DuoData::global(),
    }
    .map_res("Can't fetch Duo Keys")?;

-    Ok((data.ik, data.sk, data.host))
+    Ok((data.ik, data.sk, CONFIG.get_duo_akey().await, data.host))
+}
+
+pub async fn generate_duo_signature(email: &str, conn: &DbConn) -> ApiResult<(String, String)> {
+    let now = Utc::now().timestamp();
+
+    let (ik, sk, ak, host) = get_duo_keys_email(email, conn).await?;
+
+    let duo_sign = sign_duo_values(&sk, email, &ik, DUO_PREFIX, now + DUO_EXPIRE);
+    let app_sign = sign_duo_values(&ak, email, &ik, APP_PREFIX, now + APP_EXPIRE);
+
+    Ok((format!("{duo_sign}:{app_sign}"), host))
+}
+
+fn sign_duo_values(key: &str, email: &str, ikey: &str, prefix: &str, expire: i64) -> String {
+    let val = format!("{email}|{ikey}|{expire}");
+    let cookie = format!("{prefix}|{}", BASE64.encode(val.as_bytes()));
+
+    format!("{cookie}|{}", crypto::hmac_sign(key, &cookie))
+}
+
+pub async fn validate_duo_login(email: &str, response: &str, conn: &DbConn) -> EmptyResult {
+    let split: Vec<&str> = response.split(':').collect();
+    if split.len() != 2 {
+        err!(
+            "Invalid response length",
+            ErrorEvent {
+                event: EventType::UserFailedLogIn2fa
+            }
+        );
+    }
+
+    let auth_sig = split[0];
+    let app_sig = split[1];
+
+    let now = Utc::now().timestamp();
+
+    let (ik, sk, ak, _host) = get_duo_keys_email(email, conn).await?;
+
+    let auth_user = parse_duo_values(&sk, auth_sig, &ik, AUTH_PREFIX, now)?;
+    let app_user = parse_duo_values(&ak, app_sig, &ik, APP_PREFIX, now)?;
+
+    if !crypto::ct_eq(&auth_user, app_user) || !crypto::ct_eq(&auth_user, email) {
+        err!(
+            "Error validating duo authentication",
+            ErrorEvent {
+                event: EventType::UserFailedLogIn2fa
+            }
+        )
+    }
+
+    Ok(())
+}
+
+fn parse_duo_values(key: &str, val: &str, ikey: &str, prefix: &str, time: i64) -> ApiResult<String> {
+    let split: Vec<&str> = val.split('|').collect();
+    if split.len() != 3 {
+        err!("Invalid value length")
+    }
+
+    let u_prefix = split[0];
+    let u_b64 = split[1];
+    let u_sig = split[2];
+
+    let sig = crypto::hmac_sign(key, &format!("{u_prefix}|{u_b64}"));
+
+    if !crypto::ct_eq(crypto::hmac_sign(key, &sig), crypto::hmac_sign(key, u_sig)) {
+        err!("Duo signatures don't match")
+    }
+
+    if u_prefix != prefix {
+        err!("Prefixes don't match")
+    }
+
+    let Ok(cookie_vec) = BASE64.decode(u_b64.as_bytes()) else {
+        err!("Invalid Duo cookie encoding")
+    };
+
+    let Ok(cookie) = String::from_utf8(cookie_vec) else {
+        err!("Invalid Duo cookie encoding")
+    };
+
+    let cookie_split: Vec<&str> = cookie.split('|').collect();
+    if cookie_split.len() != 3 {
+        err!("Invalid cookie length")
+    }
+
+    let username = cookie_split[0];
+    let u_ikey = cookie_split[1];
+    let expire = cookie_split[2];
+
+    if !crypto::ct_eq(ikey, u_ikey) {
+        err!("Invalid ikey")
+    }
+
+    let expire: i64 = if let Ok(e) = expire.parse() {
+        e
+    } else {
+        err!("Invalid expire time")
+    };
+
+    if time >= expire {
+        err!("Expired authorization")
+    }
+
+    Ok(username.into())
 }
@@ -383,7 +383,7 @@ pub async fn get_duo_auth_url(
    device_identifier: &DeviceId,
    conn: &DbConn,
 ) -> Result<String, Error> {
-    let (ik, sk, host) = get_duo_keys_email(email, conn).await?;
+    let (ik, sk, _, host) = get_duo_keys_email(email, conn).await?;

    let callback_url = match make_callback_url(client_id) {
        Ok(url) => url,
@@ -435,7 +435,7 @@ pub async fn validate_duo_login(
    let code = split[0];
    let state = split[1];

-    let (ik, sk, host) = get_duo_keys_email(email, conn).await?;
+    let (ik, sk, _, host) = get_duo_keys_email(email, conn).await?;

    // Get the context by the state reported by the client. If we don't have one,
    // it means the context is either missing or expired.
@@ -5,26 +5,20 @@ use crate::{
    CONFIG,
    api::{
        EmptyResult, JsonResult, PasswordOrOtpData,
-        core::{
-            log_user_event,
-            two_factor::{VerificationTokenData, generate_recover_code},
-        },
+        core::{log_user_event, two_factor::generate_recover_code},
    },
-    auth::{ClientHeaders, Headers, two_factor},
+    auth::{ClientHeaders, Headers},
    crypto,
    db::{
        DbConn,
-        models::{
-            AuthRequest, AuthRequestId, DeviceId, EventType, TwoFactor, TwoFactorIncomplete, TwoFactorType, User,
-            UserId,
-        },
+        models::{AuthRequest, AuthRequestId, DeviceId, EventType, TwoFactor, TwoFactorType, User, UserId},
    },
    error::{Error, MapResult},
    mail,
 };

 pub fn routes() -> Vec<Route> {
-    routes![get_email, send_email_login, send_email, email, disable_email]
+    routes![get_email, send_email_login, send_email, email,]
 }

 #[derive(Deserialize)]
@@ -71,7 +65,7 @@ async fn send_email_login(data: Json<SendEmailLoginData>, client_headers: Client
        let Some(user) = User::find_by_mail(email, &conn).await else {
            err!(
                "Username or password is incorrect. Try again",
-                format!("IP: {}. Username: {}.", client_headers.ip.ip, email.escape_debug())
+                format!("IP: {}. Username: {email}.", client_headers.ip.ip)
            )
        };

@@ -80,7 +74,7 @@ async fn send_email_login(data: Json<SendEmailLoginData>, client_headers: Client
            if !user.check_valid_password(master_password_hash) {
                err!(
                    "Username or password is incorrect. Try again",
-                    format!("IP: {}. Username: {}.", client_headers.ip.ip, email.escape_debug())
+                    format!("IP: {}. Username: {email}.", client_headers.ip.ip)
                )
            }
        } else if let Some(auth_request_id) = auth_request_id {
@@ -97,20 +91,6 @@ async fn send_email_login(data: Json<SendEmailLoginData>, client_headers: Client
            {
                err!("AuthRequest doesn't exist", "Invalid device, IP or code")
            }
-        } else if let Some(device_identifier) = &data.device_identifier {
-            // iOS/Android SSO logins send the email and device id but no password hash,
-            // so accept a device that has a pending 2FA login for this user
-            if TwoFactorIncomplete::find_by_user_and_device(&user.uuid, device_identifier, &conn).await.is_none() {
-                err!(
-                    "Username or password is incorrect. Try again",
-                    format!("IP: {}. Username: {}.", client_headers.ip.ip, email.escape_debug())
-                )
-            }
-            debug!(
-                "Email 2FA fallback: pending login. Username: {}. Device: {}.",
-                user.email,
-                device_identifier.to_string().escape_debug()
-            );
        } else {
            err!("No password hash has been submitted.")
        }
@@ -124,7 +104,7 @@ async fn send_email_login(data: Json<SendEmailLoginData>, client_headers: Client
        let Some(user) = User::find_by_device_for_email2fa(device_identifier, &conn).await else {
            err!(
                "Username or password is incorrect. Try again",
-                format!("IP: {}. Device: {}.", client_headers.ip.ip, device_identifier.to_string().escape_debug())
+                format!("IP: {}. Device: {device_identifier}.", client_headers.ip.ip)
            )
        };

@@ -136,8 +116,8 @@ async fn send_email_login(data: Json<SendEmailLoginData>, client_headers: Client

 /// Generate the token, save the data for later verification and send email to user
 pub async fn send_token(user_id: &UserId, conn: &DbConn) -> EmptyResult {
-    let mut twofactor =
-        TwoFactor::find_by_user_and_type(user_id, TwoFactorType::Email, conn).await.map_res("Two factor not found")?;
+    let type_ = TwoFactorType::Email as i32;
+    let mut twofactor = TwoFactor::find_by_user_and_type(user_id, type_, conn).await.map_res("Two factor not found")?;

    let generated_token = crypto::generate_email_token(CONFIG.email_token_size());

@@ -160,19 +140,18 @@ async fn get_email(data: Json<PasswordOrOtpData>, headers: Headers, conn: DbConn
    data.validate(&user, false, &conn).await?;

    let (enabled, mfa_email) =
-        if let Some(x) = TwoFactor::find_by_user_and_type(&user.uuid, TwoFactorType::Email, &conn).await {
-            let twofactor_data = EmailTokenData::from_json(&x.data)?;
-            (true, Some(twofactor_data.email))
-        } else {
-            (false, None)
+        match TwoFactor::find_by_user_and_type(&user.uuid, TwoFactorType::Email as i32, &conn).await {
+            Some(x) => {
+                let twofactor_data = EmailTokenData::from_json(&x.data)?;
+                (true, json!(twofactor_data.email))
+            }
+            _ => (false, serde_json::value::Value::Null),
        };

-    Ok(Json(rocket::serde::json::json!({
-        "email": rocket::serde::json::json!({
-            "enabled": enabled,
-            "email": mfa_email,
-        }),
-        "userVerificationToken": two_factor::email_token(user.uuid, mfa_email, enabled),
+    Ok(Json(json!({
+        "email": mfa_email,
+        "enabled": enabled,
+        "object": "twoFactorEmail"
    })))
 }

@@ -181,36 +160,43 @@ async fn get_email(data: Json<PasswordOrOtpData>, headers: Headers, conn: DbConn
 struct SendEmailData {
    /// Email where 2FA codes will be sent to, can be different than user email account.
    email: String,
-    user_verification_token: String,
+    master_password_hash: Option<String>,
+    otp: Option<String>,
 }

 /// Send a verification email to the specified email address to check whether it exists/belongs to user.
 #[post("/two-factor/send-email", data = "<data>")]
-async fn send_email(data: Json<SendEmailData>, headers: Headers, conn: DbConn) -> JsonResult {
+async fn send_email(data: Json<SendEmailData>, headers: Headers, conn: DbConn) -> EmptyResult {
    let data: SendEmailData = data.into_inner();
    let user = headers.user;

-    two_factor::validate_email(&data.user_verification_token, &user.uuid, data.email.clone(), false)?;
+    PasswordOrOtpData {
+        master_password_hash: data.master_password_hash,
+        otp: data.otp,
+    }
+    .validate(&user, false, &conn)
+    .await?;

    if !CONFIG._enable_email_2fa() {
        err!("Email 2FA is disabled")
    }

-    if let Some(tf) = TwoFactor::find_by_user_and_type(&user.uuid, TwoFactorType::Email, &conn).await {
+    let type_ = TwoFactorType::Email as i32;
+
+    if let Some(tf) = TwoFactor::find_by_user_and_type(&user.uuid, type_, &conn).await {
        tf.delete(&conn).await?;
    }

    let generated_token = crypto::generate_email_token(CONFIG.email_token_size());
-    let twofactor_data = EmailTokenData::new(data.email, Some(generated_token));
+    let twofactor_data = EmailTokenData::new(data.email, generated_token);

    // Uses EmailVerificationChallenge as type to show that it's not verified yet.
-    let twofactor =
-        TwoFactor::new(user.uuid.clone(), TwoFactorType::EmailVerificationChallenge, twofactor_data.to_json());
+    let twofactor = TwoFactor::new(user.uuid, TwoFactorType::EmailVerificationChallenge, twofactor_data.to_json());
    twofactor.save(&conn).await?;

    mail::send_token(&twofactor_data.email, &twofactor_data.last_token.map_res("Token is empty")?).await?;

-    Ok(Json(json!({})))
+    Ok(())
 }

 #[derive(Deserialize, Serialize)]
@@ -218,7 +204,8 @@ async fn send_email(data: Json<SendEmailData>, headers: Headers, conn: DbConn) -
 struct EmailData {
    email: String,
    token: String,
-    user_verification_token: String,
+    master_password_hash: Option<String>,
+    otp: Option<String>,
 }

 /// Verify email belongs to user and can be used for 2FA email codes.
@@ -227,11 +214,17 @@ async fn email(data: Json<EmailData>, headers: Headers, conn: DbConn) -> JsonRes
    let data: EmailData = data.into_inner();
    let mut user = headers.user;

-    two_factor::validate_email(&data.user_verification_token, &user.uuid, data.email, false)?;
+    // This is the last step in the verification process, delete the otp directly afterwards
+    PasswordOrOtpData {
+        master_password_hash: data.master_password_hash,
+        otp: data.otp,
+    }
+    .validate(&user, true, &conn)
+    .await?;

-    let mut twofactor = TwoFactor::find_by_user_and_type(&user.uuid, TwoFactorType::EmailVerificationChallenge, &conn)
-        .await
-        .map_res("Two factor not found")?;
+    let type_ = TwoFactorType::EmailVerificationChallenge as i32;
+    let mut twofactor =
+        TwoFactor::find_by_user_and_type(&user.uuid, type_, &conn).await.map_res("Two factor not found")?;

    let mut email_data = EmailTokenData::from_json(&twofactor.data)?;

@@ -250,26 +243,13 @@ async fn email(data: Json<EmailData>, headers: Headers, conn: DbConn) -> JsonRes

    generate_recover_code(&mut user, &conn).await;

-    log_user_event(EventType::UserUpdated2fa, &user.uuid, headers.device.atype, &headers.ip.ip, &conn).await;
+    log_user_event(EventType::UserUpdated2fa as i32, &user.uuid, headers.device.atype, &headers.ip.ip, &conn).await;

-    Ok(Json(json!({})))
-}
-
-#[delete("/two-factor/email", data = "<data>")]
-async fn disable_email(data: Json<VerificationTokenData>, headers: Headers, conn: DbConn) -> EmptyResult {
-    let user = headers.user;
-
-    if let Some(twofactor) = TwoFactor::find_by_user_and_type(&user.uuid, TwoFactorType::Email, &conn).await {
-        let twofactor_data = EmailTokenData::from_json(&twofactor.data)?;
-        two_factor::validate_email(&data.user_verification_token, &user.uuid, twofactor_data.email, true)?;
-
-        twofactor.delete(&conn).await?;
-        log_user_event(EventType::UserDisabled2fa, &user.uuid, headers.device.atype, &headers.ip.ip, &conn).await;
-    }
-
-    super::check_2fa_state(&user, headers.device.atype, &headers.ip.ip, &conn).await?;
-
-    Ok(())
+    Ok(Json(json!({
+        "email": email_data.email,
+        "enabled": "true",
+        "object": "twoFactorEmail"
+    })))
 }

 /// Validate the email code when used as TwoFactor token mechanism
@@ -281,8 +261,9 @@ pub async fn validate_email_code_str(
    conn: &DbConn,
 ) -> EmptyResult {
    let mut email_data = EmailTokenData::from_json(data)?;
-    let mut twofactor =
-        TwoFactor::find_by_user_and_type(user_id, TwoFactorType::Email, conn).await.map_res("Two factor not found")?;
+    let mut twofactor = TwoFactor::find_by_user_and_type(user_id, TwoFactorType::Email as i32, conn)
+        .await
+        .map_res("Two factor not found")?;
    let Some(issued_token) = &email_data.last_token else {
        err!(
            format!("No token available! IP: {ip}"),
@@ -294,7 +275,7 @@ pub async fn validate_email_code_str(

    if !crypto::ct_eq(issued_token, token) {
        email_data.add_attempt();
-        if email_data.attempts >= u64::from(CONFIG.email_attempts_limit()) {
+        if email_data.attempts >= CONFIG.email_attempts_limit() {
            email_data.reset_token();
        }
        twofactor.data = email_data.to_json();
@@ -313,7 +294,7 @@ pub async fn validate_email_code_str(
    twofactor.save(conn).await?;

    let dt = DateTime::from_timestamp(email_data.token_sent, 0).expect("Email token timestamp invalid.").naive_utc();
-    let max_time = i64::from(CONFIG.email_expiration_time());
+    let max_time = CONFIG.email_expiration_time().cast_signed();
    if dt + TimeDelta::try_seconds(max_time).unwrap() < Utc::now().naive_utc() {
        err!(
            "Token has expired",
@@ -341,10 +322,10 @@ pub struct EmailTokenData {
 }

 impl EmailTokenData {
-    pub fn new(email: String, token: Option<String>) -> EmailTokenData {
+    pub fn new(email: String, token: String) -> EmailTokenData {
        EmailTokenData {
            email,
-            last_token: token,
+            last_token: Some(token),
            token_sent: Utc::now().timestamp(),
            attempts: 0,
        }
@@ -382,8 +363,7 @@ pub async fn activate_email_2fa(user: &User, conn: &DbConn) -> EmptyResult {
    if user.verified_at.is_none() {
        err!("Auto-enabling of email 2FA failed because the users email address has not been verified!");
    }
-    // The token is set when the first code is sent
-    let twofactor_data = EmailTokenData::new(user.email.clone(), None);
+    let twofactor_data = EmailTokenData::new(user.email.clone(), String::new());
    let twofactor = TwoFactor::new(user.uuid.clone(), TwoFactorType::Email, twofactor_data.to_json());
    twofactor.save(conn).await
 }
@@ -7,7 +7,10 @@ use serde_json::Value;

 use crate::{
    CONFIG,
-    api::{EmptyResult, JsonResult, PasswordOrOtpData, core::log_event},
+    api::{
+        EmptyResult, JsonResult, PasswordOrOtpData,
+        core::{log_event, log_user_event},
+    },
    auth::Headers,
    crypto,
    db::{
@@ -18,6 +21,7 @@ use crate::{
        },
    },
    mail,
+    util::NumberOrString,
 };

 pub mod authenticator;
@@ -65,7 +69,13 @@ pub fn is_twofactor_provider_usable(provider_type: &TwoFactorType, provider_data
 }

 pub fn routes() -> Vec<Route> {
-    let mut routes = routes![get_twofactor, get_recover, get_device_verification_settings];
+    let mut routes = routes![
+        get_twofactor,
+        get_recover,
+        disable_twofactor,
+        disable_twofactor_put,
+        get_device_verification_settings,
+    ];

    routes.append(&mut authenticator::routes());
    routes.append(&mut duo::routes());
@@ -77,12 +87,6 @@ pub fn routes() -> Vec<Route> {
    routes
 }

-#[derive(Debug, Deserialize)]
-#[serde(rename_all = "camelCase")]
-struct VerificationTokenData {
-    user_verification_token: String,
-}
-
 #[get("/two-factor")]
 async fn get_twofactor(headers: Headers, conn: DbConn) -> Json<Value> {
    let twofactors = TwoFactor::find_by_user(&headers.user.uuid, &conn).await;
@@ -122,14 +126,50 @@ async fn generate_recover_code(user: &mut User, conn: &DbConn) {
    }
 }

-/// Call after a 2FA provider, or one of its keys, was removed. No remembered device may keep skipping
-/// the providers that are left, and once every provider is gone the 2FA policy applies.
-pub async fn check_2fa_state(user: &User, device_type: i32, ip: &std::net::IpAddr, conn: &DbConn) -> EmptyResult {
-    Device::clear_twofactor_remember_by_user(&user.uuid, conn).await?;
-    if TwoFactor::find_by_user(&user.uuid, conn).await.is_empty() {
-        enforce_2fa_policy(user, &user.uuid, device_type, ip, conn).await?;
+#[derive(Deserialize)]
+#[serde(rename_all = "camelCase")]
+struct DisableTwoFactorData {
+    master_password_hash: Option<String>,
+    otp: Option<String>,
+    r#type: NumberOrString,
+}
+
+#[post("/two-factor/disable", data = "<data>")]
+async fn disable_twofactor(data: Json<DisableTwoFactorData>, headers: Headers, conn: DbConn) -> JsonResult {
+    let data: DisableTwoFactorData = data.into_inner();
+    let user = headers.user;
+
+    // Delete directly after a valid token has been provided
+    PasswordOrOtpData {
+        master_password_hash: data.master_password_hash,
+        otp: data.otp,
    }
-    Ok(())
+    .validate(&user, true, &conn)
+    .await?;
+
+    let type_ = data.r#type.into_i32()?;
+
+    if let Some(twofactor) = TwoFactor::find_by_user_and_type(&user.uuid, type_, &conn).await {
+        twofactor.delete(&conn).await?;
+        Device::clear_twofactor_remember_by_user(&user.uuid, &conn).await?;
+        log_user_event(EventType::UserDisabled2fa as i32, &user.uuid, headers.device.atype, &headers.ip.ip, &conn)
+            .await;
+    }
+
+    if TwoFactor::find_by_user(&user.uuid, &conn).await.is_empty() {
+        enforce_2fa_policy(&user, &user.uuid, headers.device.atype, &headers.ip.ip, &conn).await?;
+    }
+
+    Ok(Json(json!({
+        "enabled": false,
+        "type": type_,
+        "object": "twoFactorProvider"
+    })))
+}
+
+#[put("/two-factor/disable", data = "<data>")]
+async fn disable_twofactor_put(data: Json<DisableTwoFactorData>, headers: Headers, conn: DbConn) -> JsonResult {
+    disable_twofactor(data, headers, conn).await
 }

 pub async fn enforce_2fa_policy(
@@ -196,7 +236,7 @@ pub async fn enforce_2fa_policy_for_org(
 pub async fn send_incomplete_2fa_notifications(pool: DbPool) {
    debug!("Sending notifications for incomplete 2FA logins");

-    if CONFIG.incomplete_2fa_time_limit() == 0 || !CONFIG.mail_enabled() {
+    if CONFIG.incomplete_2fa_time_limit() <= 0 || !CONFIG.mail_enabled() {
        return;
    }

@@ -206,21 +246,11 @@ pub async fn send_incomplete_2fa_notifications(pool: DbPool) {
    };

    let now = Utc::now().naive_utc();
-    let Some(time_limit) = TimeDelta::try_minutes(i64::from(CONFIG.incomplete_2fa_time_limit())) else {
-        error!("Failed to calculate the time limit for sending incomplete 2fa attempts");
-        return;
-    };
-    let Some(time_before) = now.checked_sub_signed(time_limit) else {
-        error!("Failed to calculate the timestamp for sending incomplete 2fa attempts");
-        return;
-    };
-
+    let time_limit = TimeDelta::try_minutes(CONFIG.incomplete_2fa_time_limit()).unwrap();
+    let time_before = now - time_limit;
    let incomplete_logins = TwoFactorIncomplete::find_logins_before(&time_before, &conn).await;
    for login in incomplete_logins {
-        let Some(user) = User::find_by_uuid(&login.user_uuid, &conn).await else {
-            error!("User '{}', not found!", login.user_uuid);
-            continue;
-        };
+        let user = User::find_by_uuid(&login.user_uuid, &conn).await.expect("User not found");
        info!(
            "User {} did not complete a 2FA login within the configured time limit. IP: {}",
            user.email, login.ip_address
@@ -72,7 +72,8 @@ async fn request_otp(headers: Headers, conn: DbConn) -> EmptyResult {
    let user = headers.user;

    // Only one Protected Action per user is allowed to take place, delete the previous one
-    if let Some(pa) = TwoFactor::find_by_user_and_type(&user.uuid, TwoFactorType::ProtectedActions, &conn).await {
+    if let Some(pa) = TwoFactor::find_by_user_and_type(&user.uuid, TwoFactorType::ProtectedActions as i32, &conn).await
+    {
        let pa_data = ProtectedActionData::from_json(&pa.data)?;
        let elapsed = pa_data.time_since_sent().num_seconds();
        let delay = 30;
@@ -124,28 +125,27 @@ pub async fn validate_protected_action_otp(
    delete_if_valid: bool,
    conn: &DbConn,
 ) -> EmptyResult {
-    let mut pa = TwoFactor::find_by_user_and_type(user_id, TwoFactorType::ProtectedActions, conn)
+    let mut pa = TwoFactor::find_by_user_and_type(user_id, TwoFactorType::ProtectedActions as i32, conn)
        .await
        .map_res("Protected action token not found, try sending the code again or restart the process")?;
    let mut pa_data = ProtectedActionData::from_json(&pa.data)?;
+    pa_data.add_attempt();
+    pa.data = pa_data.to_json();

    // Fail after x attempts if the token has been used too many times.
    // Don't delete it, as we use it to keep track of attempts.
-    if pa_data.attempts >= u64::from(CONFIG.email_attempts_limit()) {
+    if pa_data.attempts >= CONFIG.email_attempts_limit() {
        err!("Token has expired")
    }

    // Check if the token has expired (Using the email 2fa expiration time)
-    let max_time = i64::from(CONFIG.email_expiration_time());
+    let max_time = CONFIG.email_expiration_time().cast_signed();
    if pa_data.time_since_sent().num_seconds() > max_time {
        pa.delete(conn).await?;
        err!("Token has expired")
    }

    if !crypto::ct_eq(&pa_data.token, otp) {
-        pa_data.add_attempt();
-        pa.data = pa_data.to_json();
-
        pa.save(conn).await?;
        err!("Token is invalid")
    }
@@ -1,4 +1,4 @@
-use std::{collections::HashSet, str::FromStr, sync::LazyLock, time::Duration};
+use std::{str::FromStr, sync::LazyLock, time::Duration};

 use rocket::{Route, serde::json::Json};
 use serde_json::Value;
@@ -18,18 +18,16 @@ use crate::{
    CONFIG,
    api::{
        EmptyResult, JsonResult, PasswordOrOtpData,
-        core::{
-            log_user_event,
-            two_factor::{VerificationTokenData, generate_recover_code},
-        },
+        core::{log_user_event, two_factor::generate_recover_code},
    },
-    auth::{Headers, two_factor},
+    auth::Headers,
    crypto::ct_eq,
    db::{
        DbConn,
        models::{EventType, TwoFactor, TwoFactorType, UserId},
    },
    error::Error,
+    util::NumberOrString,
 };

 static WEBAUTHN: LazyLock<Webauthn> = LazyLock::new(|| {
@@ -47,14 +45,7 @@ static WEBAUTHN: LazyLock<Webauthn> = LazyLock::new(|| {
 });

 pub fn routes() -> Vec<Route> {
-    routes![
-        get_webauthn,
-        generate_webauthn_challenge,
-        activate_webauthn,
-        activate_webauthn_put,
-        delete_webauthn,
-        delete_webauthns
-    ]
+    routes![get_webauthn, generate_webauthn_challenge, activate_webauthn, activate_webauthn_put, delete_webauthn,]
 }

 // Some old u2f structs still needed for migrating from u2f to WebAuthn
@@ -128,36 +119,34 @@ async fn get_webauthn(data: Json<PasswordOrOtpData>, headers: Headers, conn: DbC
    data.validate(&user, false, &conn).await?;

    let (enabled, registrations) = get_webauthn_registrations(&user.uuid, &conn).await?;
-    let keys: Vec<i32> = registrations.iter().map(|r| r.id).collect();
    let registrations_json: Vec<Value> = registrations.iter().map(WebauthnRegistration::to_json).collect();

    Ok(Json(json!({
-        "webAuthn": json!({
-            "enabled": enabled,
-            "keys": registrations_json,
-        }),
-        "userVerificationToken": two_factor::webauthn_token(user.uuid, keys, enabled),
+        "enabled": enabled,
+        "keys": registrations_json,
+        "object": "twoFactorWebAuthn"
    })))
 }

 #[post("/two-factor/get-webauthn-challenge", data = "<data>")]
-async fn generate_webauthn_challenge(data: Json<VerificationTokenData>, headers: Headers, conn: DbConn) -> JsonResult {
+async fn generate_webauthn_challenge(data: Json<PasswordOrOtpData>, headers: Headers, conn: DbConn) -> JsonResult {
+    let data: PasswordOrOtpData = data.into_inner();
    let user = headers.user;

-    let (enabled, registrations) = get_webauthn_registrations(&user.uuid, &conn).await?;
-    let keys: Vec<i32> = registrations.iter().map(|r| r.id).collect();
-    let creds = registrations
+    data.validate(&user, false, &conn).await?;
+
+    let registrations = get_webauthn_registrations(&user.uuid, &conn)
+        .await?
+        .1
        .into_iter()
        .map(|r| r.credential.cred_id().to_owned()) // We return the credentialIds to the clients to avoid double registering
        .collect();

-    two_factor::validate_webauthn(&data.user_verification_token, &user.uuid, &keys, enabled)?;
-
    let (mut challenge, state) = WEBAUTHN.start_passkey_registration(
        Uuid::from_str(&user.uuid).expect("Failed to parse UUID"), // Should never fail
        &user.email,
        user.display_name(),
-        Some(creds),
+        Some(registrations),
    )?;

    let mut state = serde_json::to_value(&state)?;
@@ -177,19 +166,17 @@ async fn generate_webauthn_challenge(data: Json<VerificationTokenData>, headers:
    let mut challenge_value = serde_json::to_value(challenge.public_key)?;
    challenge_value["status"] = "ok".into();
    challenge_value["errorMessage"] = "".into();
-
-    Ok(Json(json!({
-        "options": challenge_value
-    })))
+    Ok(Json(challenge_value))
 }

 #[derive(Debug, Deserialize)]
 #[serde(rename_all = "camelCase")]
 struct EnableWebauthnData {
-    id: i32,
+    id: NumberOrString, // 1..5
    name: String,
    device_response: RegisterPublicKeyCredentialCopy,
-    user_verification_token: String,
+    master_password_hash: Option<String>,
+    otp: Option<String>,
 }

 #[derive(Debug, Deserialize)]
@@ -270,14 +257,16 @@ async fn activate_webauthn(data: Json<EnableWebauthnData>, headers: Headers, con
    let data: EnableWebauthnData = data.into_inner();
    let mut user = headers.user;

-    let mut registrations: Vec<_> = get_webauthn_registrations(&user.uuid, &conn).await?.1;
-    let keys: Vec<i32> = registrations.iter().map(|r| r.id).collect();
-    two_factor::validate_webauthn(&data.user_verification_token, &user.uuid, &keys, !keys.is_empty())?;
+    PasswordOrOtpData {
+        master_password_hash: data.master_password_hash,
+        otp: data.otp,
+    }
+    .validate(&user, true, &conn)
+    .await?;

    // Retrieve and delete the saved challenge state
-    let state = if let Some(tf) =
-        TwoFactor::find_by_user_and_type(&user.uuid, TwoFactorType::WebauthnRegisterChallenge, &conn).await
-    {
+    let type_ = TwoFactorType::WebauthnRegisterChallenge as i32;
+    let state = if let Some(tf) = TwoFactor::find_by_user_and_type(&user.uuid, type_, &conn).await {
        let state: PasskeyRegistration = serde_json::from_str(&tf.data)?;
        tf.delete(&conn).await?;
        state
@@ -288,9 +277,10 @@ async fn activate_webauthn(data: Json<EnableWebauthnData>, headers: Headers, con
    // Verify the credentials with the saved state
    let credential = WEBAUTHN.finish_passkey_registration(&data.device_response.into(), &state)?;

+    let mut registrations: Vec<_> = get_webauthn_registrations(&user.uuid, &conn).await?.1;
    // TODO: Check for repeated ID's
    registrations.push(WebauthnRegistration {
-        id: data.id,
+        id: data.id.into_i32()?,
        name: data.name,
        migrated: false,

@@ -303,13 +293,13 @@ async fn activate_webauthn(data: Json<EnableWebauthnData>, headers: Headers, con
        .await?;
    generate_recover_code(&mut user, &conn).await;

-    log_user_event(EventType::UserUpdated2fa, &user.uuid, headers.device.atype, &headers.ip.ip, &conn).await;
+    log_user_event(EventType::UserUpdated2fa as i32, &user.uuid, headers.device.atype, &headers.ip.ip, &conn).await;

+    let keys_json: Vec<Value> = registrations.iter().map(WebauthnRegistration::to_json).collect();
    Ok(Json(json!({
-        "webAuthn": json!({
-            "enabled": true,
-            "keys": registrations.iter().map(WebauthnRegistration::to_json).collect::<Vec<Value>>(),
-        }),
+        "enabled": true,
+        "keys": keys_json,
+        "object": "twoFactorU2f"
    })))
 }

@@ -320,87 +310,57 @@ async fn activate_webauthn_put(data: Json<EnableWebauthnData>, headers: Headers,

 #[derive(Debug, Deserialize)]
 #[serde(rename_all = "camelCase")]
-struct DeleteWebauthnData {
-    id: i32,
-    user_verification_token: String,
+struct DeleteU2FData {
+    id: NumberOrString,
+    master_password_hash: String,
 }

 #[delete("/two-factor/webauthn", data = "<data>")]
-async fn delete_webauthn(data: Json<DeleteWebauthnData>, headers: Headers, conn: DbConn) -> JsonResult {
-    inner_delete_webauthns(&data.user_verification_token, |key| key.id != data.id, headers, &conn).await
-}
+async fn delete_webauthn(data: Json<DeleteU2FData>, headers: Headers, conn: DbConn) -> JsonResult {
+    let id = data.id.into_i32()?;
+    if !headers.user.check_valid_password(&data.master_password_hash) {
+        err!("Invalid password");
+    }

-#[delete("/two-factor/webauthn/all", data = "<data>")]
-async fn delete_webauthns(data: Json<VerificationTokenData>, headers: Headers, conn: DbConn) -> JsonResult {
-    inner_delete_webauthns(&data.user_verification_token, |_| false, headers, &conn).await
-}
-
-async fn inner_delete_webauthns(
-    token: &str,
-    retain: impl Fn(&WebauthnRegistration) -> bool,
-    headers: Headers,
-    conn: &DbConn,
-) -> JsonResult {
-    let user = headers.user;
-
-    let Some(mut tf) = TwoFactor::find_by_user_and_type(&user.uuid, TwoFactorType::Webauthn, conn).await else {
+    let Some(mut tf) =
+        TwoFactor::find_by_user_and_type(&headers.user.uuid, TwoFactorType::Webauthn as i32, &conn).await
+    else {
        err!("Webauthn data not found!")
    };

-    let mut keys: Vec<WebauthnRegistration> = serde_json::from_str(&tf.data)?;
-    let keys_id: Vec<i32> = keys.iter().map(|r| r.id).collect();
+    let mut data: Vec<WebauthnRegistration> = serde_json::from_str(&tf.data)?;

-    two_factor::validate_webauthn(token, &user.uuid, &keys_id, true)?;
-
-    let mut removed: HashSet<Vec<u8>> = HashSet::new();
-    let mut migrated = false;
-
-    keys.retain(|key| {
-        let retained = retain(key);
-        if !retained {
-            removed.insert(key.credential.cred_id().to_vec());
-            migrated = migrated || key.migrated;
-        }
-        retained
-    });
-
-    if removed.is_empty() {
+    let Some(item_pos) = data.iter().position(|r| r.id == id) else {
        err!("Webauthn entry not found")
-    }
+    };

-    if keys.is_empty() {
-        tf.delete(conn).await?;
-        log_user_event(EventType::UserDisabled2fa, &user.uuid, headers.device.atype, &headers.ip.ip, conn).await;
-    } else {
-        tf.data = serde_json::to_string(&keys)?;
-        tf.save(conn).await?;
-        drop(tf);
-    }
+    let removed_item = data.remove(item_pos);
+    tf.data = serde_json::to_string(&data)?;
+    tf.save(&conn).await?;
+    drop(tf);

    // If entry is migrated from u2f, delete the u2f entry as well
-    if migrated && let Some(mut u2f) = TwoFactor::find_by_user_and_type(&user.uuid, TwoFactorType::U2f, conn).await {
-        let Ok(mut data) = serde_json::from_str::<Vec<U2FRegistration>>(&u2f.data) else {
+    if let Some(mut u2f) = TwoFactor::find_by_user_and_type(&headers.user.uuid, TwoFactorType::U2f as i32, &conn).await
+    {
+        let mut data: Vec<U2FRegistration> = if let Ok(d) = serde_json::from_str(&u2f.data) {
+            d
+        } else {
            err!("Error parsing U2F data")
        };

-        data.retain(|old| !removed.contains(&old.reg.key_handle));
+        data.retain(|r| r.reg.key_handle != removed_item.credential.cred_id().as_slice());
+        let new_data_str = serde_json::to_string(&data)?;

-        if data.is_empty() {
-            u2f.delete(conn).await?;
-        } else {
-            let new_data_str = serde_json::to_string(&data)?;
-            u2f.data = new_data_str;
-            u2f.save(conn).await?;
-        }
+        u2f.data = new_data_str;
+        u2f.save(&conn).await?;
    }

-    super::check_2fa_state(&user, headers.device.atype, &headers.ip.ip, conn).await?;
+    let keys_json: Vec<Value> = data.iter().map(WebauthnRegistration::to_json).collect();

    Ok(Json(json!({
-        "webAuthn": json!({
-            "enabled": !keys.is_empty(),
-            "keys": keys.iter().map(WebauthnRegistration::to_json).collect::<Vec<Value>>(),
-        }),
+        "enabled": true,
+        "keys": keys_json,
+        "object": "twoFactorU2f"
    })))
 }

@@ -408,7 +368,8 @@ pub async fn get_webauthn_registrations(
    user_id: &UserId,
    conn: &DbConn,
 ) -> Result<(bool, Vec<WebauthnRegistration>), Error> {
-    match TwoFactor::find_by_user_and_type(user_id, TwoFactorType::Webauthn, conn).await {
+    let type_ = TwoFactorType::Webauthn as i32;
+    match TwoFactor::find_by_user_and_type(user_id, type_, conn).await {
        Some(tf) => Ok((tf.enabled, serde_json::from_str(&tf.data)?)),
        None => Ok((false, Vec::new())), // If no data, return empty list
    }
@@ -455,9 +416,8 @@ pub async fn generate_webauthn_login(user_id: &UserId, conn: &DbConn) -> JsonRes
 }

 pub async fn validate_webauthn_login(user_id: &UserId, response: &str, conn: &DbConn) -> EmptyResult {
-    let mut state = if let Some(tf) =
-        TwoFactor::find_by_user_and_type(user_id, TwoFactorType::WebauthnLoginChallenge, conn).await
-    {
+    let type_ = TwoFactorType::WebauthnLoginChallenge as i32;
+    let mut state = if let Some(tf) = TwoFactor::find_by_user_and_type(user_id, type_, conn).await {
        let state: PasskeyAuthentication = serde_json::from_str(&tf.data)?;
        tf.delete(conn).await?;
        state
@@ -10,12 +10,9 @@ use crate::{
    CONFIG,
    api::{
        EmptyResult, JsonResult, PasswordOrOtpData,
-        core::{
-            log_user_event,
-            two_factor::{VerificationTokenData, generate_recover_code},
-        },
+        core::{log_user_event, two_factor::generate_recover_code},
    },
-    auth::{Headers, two_factor},
+    auth::Headers,
    db::{
        DbConn,
        models::{EventType, TwoFactor, TwoFactorType},
@@ -25,7 +22,7 @@ use crate::{
 };

 pub fn routes() -> Vec<Route> {
-    routes![generate_yubikey, activate_yubikey, activate_yubikey_put, delete_yubikeys,]
+    routes![generate_yubikey, activate_yubikey, activate_yubikey_put,]
 }

 struct HttpClientTransport {
@@ -63,7 +60,8 @@ struct EnableYubikeyData {
    key4: Option<String>,
    key5: Option<String>,
    nfc: bool,
-    user_verification_token: String,
+    master_password_hash: Option<String>,
+    otp: Option<String>,
 }

 #[derive(Deserialize, Serialize, Debug)]
@@ -127,47 +125,55 @@ async fn generate_yubikey(data: Json<PasswordOrOtpData>, headers: Headers, conn:
    data.validate(&user, false, &conn).await?;

    let user_id = &user.uuid;
+    let yubikey_type = TwoFactorType::YubiKey as i32;

-    let (enabled, keys, yubikey_json) =
-        if let Some(r) = TwoFactor::find_by_user_and_type(user_id, TwoFactorType::YubiKey, &conn).await {
-            let yubikey_metadata: YubikeyMetadata = serde_json::from_str(&r.data)?;
-            let enabled = !yubikey_metadata.keys.is_empty();
-            let mut result = jsonify_yubikeys(yubikey_metadata.keys.clone());
-            result["enabled"] = Value::Bool(enabled);
-            result["nfc"] = Value::Bool(yubikey_metadata.nfc);
-            (enabled, yubikey_metadata.keys, result)
-        } else {
-            (false, Vec::new(), json!({"enabled": false}))
-        };
-    Ok(Json(json!({
-        "yubiKey": yubikey_json,
-        "userVerificationToken": two_factor::yubikey_token(user.uuid, keys, enabled),
-    })))
+    let r = TwoFactor::find_by_user_and_type(user_id, yubikey_type, &conn).await;
+
+    if let Some(r) = r {
+        let yubikey_metadata: YubikeyMetadata = serde_json::from_str(&r.data)?;
+
+        let mut result = jsonify_yubikeys(yubikey_metadata.keys);
+
+        result["enabled"] = Value::Bool(true);
+        result["nfc"] = Value::Bool(yubikey_metadata.nfc);
+        result["object"] = Value::String("twoFactorU2f".to_owned());
+
+        Ok(Json(result))
+    } else {
+        Ok(Json(json!({
+            "enabled": false,
+            "object": "twoFactorU2f",
+        })))
+    }
 }

 #[post("/two-factor/yubikey", data = "<data>")]
 async fn activate_yubikey(data: Json<EnableYubikeyData>, headers: Headers, conn: DbConn) -> JsonResult {
    let data: EnableYubikeyData = data.into_inner();
-    let yubikeys = parse_yubikeys(&data);
    let mut user = headers.user;

+    PasswordOrOtpData {
+        master_password_hash: data.master_password_hash.clone(),
+        otp: data.otp.clone(),
+    }
+    .validate(&user, true, &conn)
+    .await?;
+
+    // Check if we already have some data
+    let mut yubikey_data =
+        match TwoFactor::find_by_user_and_type(&user.uuid, TwoFactorType::YubiKey as i32, &conn).await {
+            Some(data) => data,
+            None => TwoFactor::new(user.uuid.clone(), TwoFactorType::YubiKey, String::new()),
+        };
+
+    let yubikeys = parse_yubikeys(&data);
+
    if yubikeys.is_empty() {
        // Return an error to prevent saving empty keys which would cause users not being able to login anymore.
        // To remove all keys users should click the `Deactivate all keys` button
        err!("A key is required.");
    }

-    // Check if we already have some data
-    let mut yubikey_data =
-        if let Some(yd) = TwoFactor::find_by_user_and_type(&user.uuid, TwoFactorType::YubiKey, &conn).await {
-            let ym: YubikeyMetadata = serde_json::from_str(&yd.data)?;
-            two_factor::validate_yubikey(&data.user_verification_token, &user.uuid, &ym.keys, !ym.keys.is_empty())?;
-            yd
-        } else {
-            two_factor::validate_yubikey(&data.user_verification_token, &user.uuid, &Vec::new(), false)?;
-            TwoFactor::new(user.uuid.clone(), TwoFactorType::YubiKey, String::new())
-        };
-
    // Ensure they are valid OTPs
    for yubikey in &yubikeys {
        if yubikey.is_empty() || yubikey.len() == 12 {
@@ -189,12 +195,15 @@ async fn activate_yubikey(data: Json<EnableYubikeyData>, headers: Headers, conn:

    generate_recover_code(&mut user, &conn).await;

-    log_user_event(EventType::UserUpdated2fa, &user.uuid, headers.device.atype, &headers.ip.ip, &conn).await;
+    log_user_event(EventType::UserUpdated2fa as i32, &user.uuid, headers.device.atype, &headers.ip.ip, &conn).await;

    let mut result = jsonify_yubikeys(yubikey_metadata.keys);
+
    result["enabled"] = Value::Bool(true);
    result["nfc"] = Value::Bool(yubikey_metadata.nfc);
-    Ok(Json(json!({"yubiKey": result})))
+    result["object"] = Value::String("twoFactorU2f".to_owned());
+
+    Ok(Json(result))
 }

 #[put("/two-factor/yubikey", data = "<data>")]
@@ -202,32 +211,13 @@ async fn activate_yubikey_put(data: Json<EnableYubikeyData>, headers: Headers, c
    activate_yubikey(data, headers, conn).await
 }

-#[delete("/two-factor/yubikey", data = "<data>")]
-async fn delete_yubikeys(data: Json<VerificationTokenData>, headers: Headers, conn: DbConn) -> EmptyResult {
-    let user = headers.user;
-
-    if let Some(r) = TwoFactor::find_by_user_and_type(&user.uuid, TwoFactorType::YubiKey, &conn).await {
-        let yubikey_metadata: YubikeyMetadata = serde_json::from_str(&r.data)?;
-        two_factor::validate_yubikey(&data.user_verification_token, &user.uuid, &yubikey_metadata.keys, true)?;
-
-        r.delete(&conn).await?;
-        log_user_event(EventType::UserDisabled2fa, &user.uuid, headers.device.atype, &headers.ip.ip, &conn).await;
-    }
-
-    super::check_2fa_state(&user, headers.device.atype, &headers.ip.ip, &conn).await?;
-
-    Ok(())
-}
-
 pub async fn validate_yubikey_login(response: &str, twofactor_data: &str) -> EmptyResult {
    if response.len() != 44 {
        err!("Invalid Yubikey OTP length");
    }

    let yubikey_metadata: YubikeyMetadata = serde_json::from_str(twofactor_data).expect("Can't parse Yubikey Metadata");
-    let Some(response_id) = response.get(..12) else {
-        err!("Invalid Yubikey OTP");
-    };
+    let response_id = &response[..12];

    if !yubikey_metadata.keys.contains(&response_id.to_owned()) {
        err!("Given Yubikey is not registered");
@@ -62,7 +62,7 @@ static CLIENT: LazyLock<Client> = LazyLock::new(|| {
    // Generate the cookie store
    let cookie_store = Arc::new(Jar::default());

-    let icon_download_timeout = Duration::from_secs(u64::from(CONFIG.icon_download_timeout()));
+    let icon_download_timeout = Duration::from_secs(CONFIG.icon_download_timeout());
    let pool_idle_timeout = Duration::from_secs(10);
    // Reuse the client between requests
    get_reqwest_client_builder(true)
@@ -85,7 +85,7 @@ static ICON_SIZE_REGEX: LazyLock<Regex> = LazyLock::new(|| Regex::new(r"(?x)(\d+
 #[get("/<host>/icon.png")]
 fn icon_external(host: &str) -> Cached<Option<Redirect>> {
    let Ok(host) = get_valid_host(host) else {
-        warn!("Invalid host: {}", host.escape_debug());
+        warn!("Invalid host: {host}");
        return Cached::ttl(None, CONFIG.icon_cache_negttl(), true);
    };

@@ -113,7 +113,7 @@ async fn icon_internal(host: &str) -> Cached<(ContentType, Vec<u8>)> {
    const FALLBACK_ICON: &[u8] = include_bytes!("../static/images/fallback-icon.png");

    let Ok(host) = get_valid_host(host) else {
-        warn!("Invalid host: {}", host.escape_debug());
+        warn!("Invalid host: {host}");
        return Cached::ttl(
            (ContentType::new("image", "png"), FALLBACK_ICON.to_vec()),
            CONFIG.icon_cache_negttl(),
@@ -193,14 +193,14 @@ async fn get_cached_icon(path: &str) -> Option<Vec<u8>> {
    None
 }

-async fn file_is_expired(path: &str, ttl: u32) -> Result<bool, Error> {
+async fn file_is_expired(path: &str, ttl: u64) -> Result<bool, Error> {
    let operator = CONFIG.opendal_operator_for_path_type(&PathType::IconCache)?;
    let meta = operator.stat(path).await?;
    let modified =
        meta.last_modified().ok_or_else(|| std::io::Error::other(format!("No last modified time for `{path}`")))?;
    let age = SystemTime::now().duration_since(modified.into())?;

-    Ok(ttl > 0 && u64::from(ttl) <= age.as_secs())
+    Ok(ttl > 0 && ttl <= age.as_secs())
 }

 async fn icon_is_negcached(path: &str) -> bool {
@@ -524,7 +524,7 @@ async fn download_icon(domain: &str) -> Result<(Bytes, Option<&str>), Error> {
                Ok(())
            }) {
                Ok(_) => {
-                    // Also check if the size is at least 67 bytes, which seems to be the smallest png I could create
+                    // Also check if the size is atleast 67 bytes, which seems to be the smallest png i could create
                    if body.len() >= 67 {
                        // Check if the icon type is allowed, else try an icon from the list.
                        icon_type = get_icon_type(&body);
@@ -17,14 +17,15 @@ use crate::{
            accounts::{PreloginData, RegisterData, kdf_upgrade, prelogin, register},
            log_user_event,
            two_factor::{
-                authenticator, duo_oidc, email, enforce_2fa_policy, is_twofactor_provider_usable, webauthn, yubikey,
+                authenticator, duo, duo_oidc, email, enforce_2fa_policy, is_twofactor_provider_usable, webauthn,
+                yubikey,
            },
        },
-        identity_master_password_policy,
+        master_password_policy,
        push::register_push_device,
    },
    auth,
-    auth::{AuthMethod, ClientHeaders, ClientIp, Secure, generate_organization_api_key_login_claims},
+    auth::{AuthMethod, ClientHeaders, ClientIp, ClientVersion, Secure, generate_organization_api_key_login_claims},
    crypto,
    db::{
        DbConn,
@@ -45,6 +46,7 @@ pub fn routes() -> Vec<Route> {
        login,
        post_prelogin,
        prelogin_password,
+        identity_register,
        register_verification_email,
        register_finish,
        prevalidate,
@@ -55,7 +57,12 @@ pub fn routes() -> Vec<Route> {
 }

 #[post("/connect/token", data = "<data>")]
-async fn login(data: Form<ConnectData>, client_header: ClientHeaders, conn: DbConn) -> JsonResult {
+async fn login(
+    data: Form<ConnectData>,
+    client_header: ClientHeaders,
+    client_version: Option<ClientVersion>,
+    conn: DbConn,
+) -> JsonResult {
    let data: ConnectData = data.into_inner();

    let mut user_id: Option<UserId> = None;
@@ -76,13 +83,17 @@ async fn login(data: Form<ConnectData>, client_header: ClientHeaders, conn: DbCo
            check_is_some(data.device_name.as_ref(), "device_name cannot be blank")?;
            check_is_some(data.device_type.as_ref(), "device_type cannot be blank")?;

-            password_login(data, &mut user_id, &conn, &client_header.ip).await
+            password_login(data, &mut user_id, &conn, &client_header.ip, client_version.as_ref()).await
        }
        "client_credentials" => {
            check_is_some(data.client_id.as_ref(), "client_id cannot be blank")?;
            check_is_some(data.client_secret.as_ref(), "client_secret cannot be blank")?;
            check_is_some(data.scope.as_ref(), "scope cannot be blank")?;

+            check_is_some(data.device_identifier.as_ref(), "device_identifier cannot be blank")?;
+            check_is_some(data.device_name.as_ref(), "device_name cannot be blank")?;
+            check_is_some(data.device_type.as_ref(), "device_type cannot be blank")?;
+
            api_key_login(data, &mut user_id, &conn, &client_header.ip).await
        }
        "authorization_code" if CONFIG.sso_enabled() => {
@@ -94,7 +105,7 @@ async fn login(data: Form<ConnectData>, client_header: ClientHeaders, conn: DbCo
            check_is_some(data.device_name.as_ref(), "device_name cannot be blank")?;
            check_is_some(data.device_type.as_ref(), "device_type cannot be blank")?;

-            sso_login(data, &mut user_id, &conn, &client_header.ip).await
+            sso_login(data, &mut user_id, &conn, &client_header.ip, client_version.as_ref()).await
        }
        "authorization_code" => err!("SSO sign-in is not available"),
        "send_access" => {
@@ -118,7 +129,7 @@ async fn login(data: Form<ConnectData>, client_header: ClientHeaders, conn: DbCo
        match &login_result {
            Ok(_) => {
                log_user_event(
-                    EventType::UserLoggedIn,
+                    EventType::UserLoggedIn as i32,
                    &user_id,
                    client_header.device_type,
                    &client_header.ip.ip,
@@ -128,7 +139,8 @@ async fn login(data: Form<ConnectData>, client_header: ClientHeaders, conn: DbCo
            }
            Err(e) => {
                if let Some(ev) = e.get_event() {
-                    log_user_event(ev.event, &user_id, client_header.device_type, &client_header.ip.ip, &conn).await;
+                    log_user_event(ev.event as i32, &user_id, client_header.device_type, &client_header.ip.ip, &conn)
+                        .await;
                }
            }
        }
@@ -178,7 +190,13 @@ async fn refresh_login(data: ConnectData, conn: &DbConn, ip: &ClientIp) -> JsonR
 }

 // After exchanging the code we need to check first if 2FA is needed before continuing
-async fn sso_login(data: ConnectData, user_id: &mut Option<UserId>, conn: &DbConn, ip: &ClientIp) -> JsonResult {
+async fn sso_login(
+    data: ConnectData,
+    user_id: &mut Option<UserId>,
+    conn: &DbConn,
+    ip: &ClientIp,
+    client_version: Option<&ClientVersion>,
+) -> JsonResult {
    AuthMethod::Sso.check_scope(data.scope.as_ref())?;

    // Ratelimit the login
@@ -335,7 +353,7 @@ async fn sso_login(data: ConnectData, user_id: &mut Option<UserId>, conn: &DbCon
        Some((mut user, sso_user)) => {
            let mut device = get_device(&data, conn, &user).await?;

-            let twofactor_token = twofactor_auth(&mut user, &data, &mut device, ip, conn).await?;
+            let twofactor_token = twofactor_auth(&mut user, &data, &mut device, ip, client_version, conn).await?;

            if user.private_key.is_none() {
                // User was invited a stub was created
@@ -367,7 +385,13 @@ async fn sso_login(data: ConnectData, user_id: &mut Option<UserId>, conn: &DbCon
    authenticated_response(&user, &mut device, auth_tokens, twofactor_token, conn, ip).await
 }

-async fn password_login(data: ConnectData, user_id: &mut Option<UserId>, conn: &DbConn, ip: &ClientIp) -> JsonResult {
+async fn password_login(
+    data: ConnectData,
+    user_id: &mut Option<UserId>,
+    conn: &DbConn,
+    ip: &ClientIp,
+    client_version: Option<&ClientVersion>,
+) -> JsonResult {
    // Validate scope
    AuthMethod::Password.check_scope(data.scope.as_ref())?;

@@ -376,14 +400,24 @@ async fn password_login(data: ConnectData, user_id: &mut Option<UserId>, conn: &

    // Get the user
    let username = data.username.as_ref().unwrap().trim();
-    let log_username = username.escape_debug();
    let Some(mut user) = User::find_by_mail(username, conn).await else {
-        err!("Username or password is incorrect. Try again", format!("IP: {}. Username: {log_username}.", ip.ip))
+        err!("Username or password is incorrect. Try again", format!("IP: {}. Username: {username}.", ip.ip))
    };

    // Set the user_id here to be passed back used for event logging.
    *user_id = Some(user.uuid.clone());

+    // Check if the user is disabled
+    if !user.enabled {
+        err!(
+            "This user has been disabled",
+            format!("IP: {}. Username: {username}.", ip.ip),
+            ErrorEvent {
+                event: EventType::UserFailedLogIn
+            }
+        )
+    }
+
    let password = data.password.as_ref().unwrap();

    // If we get an auth request, we don't check the user's password, but the access code of the auth request
@@ -391,7 +425,7 @@ async fn password_login(data: ConnectData, user_id: &mut Option<UserId>, conn: &
        let Some(auth_request) = AuthRequest::find_by_uuid_and_user(auth_request_id, &user.uuid, conn).await else {
            err!(
                "Auth request not found. Try again.",
-                format!("IP: {}. Username: {log_username}.", ip.ip),
+                format!("IP: {}. Username: {username}.", ip.ip),
                ErrorEvent {
                    event: EventType::UserFailedLogIn,
                }
@@ -403,14 +437,13 @@ async fn password_login(data: ConnectData, user_id: &mut Option<UserId>, conn: &

        if auth_request.user_uuid != user.uuid
            || !auth_request.approved.unwrap_or(false)
-            || auth_request.authentication_date.is_some()
            || request_expired
            || ip.ip.to_string() != auth_request.request_ip
            || !auth_request.check_access_code(password)
        {
            err!(
                "Username or access code is incorrect. Try again",
-                format!("IP: {}. Username: {log_username}.", ip.ip),
+                format!("IP: {}. Username: {username}.", ip.ip),
                ErrorEvent {
                    event: EventType::UserFailedLogIn,
                }
@@ -419,24 +452,13 @@ async fn password_login(data: ConnectData, user_id: &mut Option<UserId>, conn: &
    } else if !user.check_valid_password(password) {
        err!(
            "Username or password is incorrect. Try again",
-            format!("IP: {}. Username: {log_username}.", ip.ip),
+            format!("IP: {}. Username: {username}.", ip.ip),
            ErrorEvent {
                event: EventType::UserFailedLogIn,
            }
        )
    }

-    // Check if the user is disabled
-    if !user.enabled {
-        err!(
-            "This user has been disabled",
-            format!("IP: {}. Username: {log_username}.", ip.ip),
-            ErrorEvent {
-                event: EventType::UserFailedLogIn
-            }
-        )
-    }
-
    // Change the KDF Iterations (only when not logging in with an auth request)
    if data.auth_request.is_none() {
        kdf_upgrade(&mut user, password, conn).await?;
@@ -447,9 +469,9 @@ async fn password_login(data: ConnectData, user_id: &mut Option<UserId>, conn: &
    if user.verified_at.is_none() && CONFIG.mail_enabled() && CONFIG.signups_verify() {
        if user.last_verifying_at.is_none()
            || now.signed_duration_since(user.last_verifying_at.unwrap()).num_seconds()
-                > i64::from(CONFIG.signups_verify_resend_time())
+                > CONFIG.signups_verify_resend_time().cast_signed()
        {
-            let resend_limit = i32::from(CONFIG.signups_verify_resend_limit());
+            let resend_limit = CONFIG.signups_verify_resend_limit().cast_signed();
            if resend_limit == 0 || user.login_verify_count < resend_limit {
                // We want to send another email verification if we require signups to verify
                // their email address, and we haven't sent them a reminder in a while...
@@ -469,7 +491,7 @@ async fn password_login(data: ConnectData, user_id: &mut Option<UserId>, conn: &
        // We still want the login to fail until they actually verified the email address
        err!(
            "Please verify your email before trying again.",
-            format!("IP: {}. Username: {log_username}.", ip.ip),
+            format!("IP: {}. Username: {username}.", ip.ip),
            ErrorEvent {
                event: EventType::UserFailedLogIn
            }
@@ -478,20 +500,7 @@ async fn password_login(data: ConnectData, user_id: &mut Option<UserId>, conn: &

    let mut device = get_device(&data, conn, &user).await?;

-    let twofactor_token = twofactor_auth(&mut user, &data, &mut device, ip, conn).await?;
-
-    // Like upstream, an auth request can be used for one login only. Marked after 2FA so a 2FA prompt doesn't use it up.
-    if let Some(ref auth_request_id) = data.auth_request
-        && !AuthRequest::set_authentication_date(auth_request_id, conn).await?
-    {
-        err!(
-            "Username or access code is incorrect. Try again",
-            format!("IP: {}. Username: {log_username}.", ip.ip),
-            ErrorEvent {
-                event: EventType::UserFailedLogIn,
-            }
-        )
-    }
+    let twofactor_token = twofactor_auth(&mut user, &data, &mut device, ip, client_version, conn).await?;

    let auth_tokens = auth::AuthTokens::new(&device, &user, AuthMethod::Password, data.client_id);

@@ -530,7 +539,7 @@ async fn authenticated_response(
    // Save to update `device.updated_at` to track usage and toggle new status
    device.save(true, conn).await?;

-    let master_password_policy = identity_master_password_policy(user, conn).await;
+    let master_password_policy = master_password_policy(user, conn).await;

    let has_master_password = !user.password_hash.is_empty();
    let master_password_unlock = if has_master_password {
@@ -551,18 +560,7 @@ async fn authenticated_response(
        Value::Null
    };

-    let account_keys = if user.private_key.is_some() {
-        json!({
-            "publicKeyEncryptionKeyPair": {
-                "wrappedPrivateKey": user.private_key,
-                "publicKey": user.public_key,
-                "Object": "publicKeyEncryptionKeyPair"
-            },
-            "Object": "privateKeys"
-        })
-    } else {
-        Value::Null
-    };
+    let account_keys = user.account_keys_json(conn).await;

    let mut result = json!({
        "access_token": auth_tokens.access_token(),
@@ -574,6 +572,7 @@ async fn authenticated_response(
        "KdfIterations": user.client_kdf_iter,
        "KdfMemory": user.client_kdf_memory,
        "KdfParallelism": user.client_kdf_parallelism,
+        "ResetMasterPassword": false, // TODO: Same as above
        "ForcePasswordReset": false,
        "MasterPasswordPolicy": master_password_policy,
        "scope": auth_tokens.scope(),
@@ -603,14 +602,7 @@ async fn api_key_login(data: ConnectData, user_id: &mut Option<UserId>, conn: &D

    // Validate scope
    match data.scope.as_ref() {
-        Some(scope) if scope == &AuthMethod::UserApiKey.scope() => {
-            // Like upstream, only the user API key logs in a device
-            check_is_some(data.device_identifier.as_ref(), "device_identifier cannot be blank")?;
-            check_is_some(data.device_name.as_ref(), "device_name cannot be blank")?;
-            check_is_some(data.device_type.as_ref(), "device_type cannot be blank")?;
-
-            user_api_key_login(data, user_id, conn, ip).await
-        }
+        Some(scope) if scope == &AuthMethod::UserApiKey.scope() => user_api_key_login(data, user_id, conn, ip).await,
        Some(scope) if scope == &AuthMethod::OrgApiKey.scope() => organization_api_key_login(data, conn, ip).await,
        _ => err!("Scope not supported"),
    }
@@ -708,18 +700,7 @@ async fn user_api_key_login(
        Value::Null
    };

-    let account_keys = if user.private_key.is_some() {
-        json!({
-            "publicKeyEncryptionKeyPair": {
-                "wrappedPrivateKey": user.private_key,
-                "publicKey": user.public_key,
-                "Object": "publicKeyEncryptionKeyPair"
-            },
-            "Object": "privateKeys"
-        })
-    } else {
-        Value::Null
-    };
+    let account_keys = user.account_keys_json(conn).await;

    // Note: No refresh_token is returned. The CLI just repeats the
    // client_credentials login flow when the existing token expires.
@@ -734,6 +715,7 @@ async fn user_api_key_login(
        "KdfIterations": user.client_kdf_iter,
        "KdfMemory": user.client_kdf_memory,
        "KdfParallelism": user.client_kdf_parallelism,
+        "ResetMasterPassword": false, // TODO: according to official server seems something like: user.password_hash.is_empty(), but would need testing
        "ForcePasswordReset": false,
        "scope": AuthMethod::UserApiKey.scope(),
        "AccountKeys": account_keys,
@@ -799,6 +781,7 @@ async fn twofactor_auth(
    data: &ConnectData,
    device: &mut Device,
    ip: &ClientIp,
+    client_version: Option<&ClientVersion>,
    conn: &DbConn,
 ) -> ApiResult<Option<String>> {
    let twofactors = TwoFactor::find_by_user(&user.uuid, conn).await;
@@ -827,12 +810,17 @@ async fn twofactor_auth(
    if ![TwoFactorType::Remember as i32, TwoFactorType::RecoveryCode as i32].contains(&selected_id)
        && !twofactor_ids.contains(&selected_id)
    {
-        err_json!(json_err_twofactor(&twofactor_ids, user, data, conn).await?, "Invalid two factor provider")
+        err_json!(
+            json_err_twofactor(&twofactor_ids, &user.uuid, data, client_version, conn).await?,
+            "Invalid two factor provider"
+        )
    }

-    // Like upstream, a blank token counts as not provided
-    let Some(twofactor_code) = data.two_factor_token.as_deref().filter(|t| !t.trim().is_empty()) else {
-        err_json!(json_err_twofactor(&twofactor_ids, user, data, conn).await?, "2FA token not provided")
+    let Some(ref twofactor_code) = data.two_factor_token else {
+        err_json!(
+            json_err_twofactor(&twofactor_ids, &user.uuid, data, client_version, conn).await?,
+            "2FA token not provided"
+        )
    };

    let selected_twofactor = twofactors.into_iter().find(|tf| tf.atype == selected_id && tf.enabled);
@@ -846,14 +834,20 @@ async fn twofactor_auth(
        Some(TwoFactorType::Webauthn) => webauthn::validate_webauthn_login(&user.uuid, twofactor_code, conn).await?,
        Some(TwoFactorType::YubiKey) => yubikey::validate_yubikey_login(twofactor_code, &selected_data?).await?,
        Some(TwoFactorType::Duo) => {
-            duo_oidc::validate_duo_login(
-                &user.email,
-                twofactor_code,
-                data.client_id.as_ref().unwrap(),
-                data.device_identifier.as_ref().unwrap(),
-                conn,
-            )
-            .await?;
+            if CONFIG.duo_use_iframe() {
+                // Legacy iframe prompt flow
+                duo::validate_duo_login(&user.email, twofactor_code, conn).await?;
+            } else {
+                // OIDC based flow
+                duo_oidc::validate_duo_login(
+                    &user.email,
+                    twofactor_code,
+                    data.client_id.as_ref().unwrap(),
+                    data.device_identifier.as_ref().unwrap(),
+                    conn,
+                )
+                .await?;
+            }
        }
        Some(TwoFactorType::Email) => {
            email::validate_email_code_str(&user.uuid, twofactor_code, &selected_data?, &ip.ip, conn).await?;
@@ -875,22 +869,16 @@ async fn twofactor_auth(
                        device.save(true, conn).await?;
                    }
                    err_json!(
-                        json_err_twofactor(&twofactor_ids, user, data, conn).await?,
+                        json_err_twofactor(&twofactor_ids, &user.uuid, data, client_version, conn).await?,
                        "2FA Remember token not provided or expired"
                    )
                }
            }
        }
        Some(TwoFactorType::RecoveryCode) => {
-            // Like upstream, spaces and case don't matter
-            let recovery_code = twofactor_code.replace(' ', "").trim().to_lowercase();
-            if !user.check_valid_recovery_code(&recovery_code) {
-                err!(
-                    "Two-step token is invalid. Try again.",
-                    ErrorEvent {
-                        event: EventType::UserFailedLogIn2fa
-                    }
-                )
+            // Check if recovery code is correct
+            if !user.check_valid_recovery_code(twofactor_code) {
+                err!("Recovery code is incorrect. Try again.")
            }

            // Remove all twofactors from the user
@@ -903,14 +891,7 @@ async fn twofactor_auth(

            enforce_2fa_policy(user, &user.uuid, device.atype, &ip.ip, conn).await?;

-            log_user_event(EventType::UserRecovered2fa, &user.uuid, device.atype, &ip.ip, conn).await;
-
-            if CONFIG.mail_enabled()
-                && let Err(e) =
-                    mail::send_recover_twofactor(&user.email, &ip.ip.to_string(), &Utc::now().naive_utc()).await
-            {
-                error!("Error sending two-step login recovered email: {e:#?}");
-            }
+            log_user_event(EventType::UserRecovered2fa as i32, &user.uuid, device.atype, &ip.ip, conn).await;

            // Remove the recovery code, not needed without twofactors
            user.totp_recover = None;
@@ -939,14 +920,21 @@ fn selected_data(tf: Option<TwoFactor>) -> ApiResult<String> {
    tf.map(|t| t.data).map_res("Two factor doesn't exist")
 }

-async fn json_err_twofactor(providers: &[i32], user: &User, data: &ConnectData, conn: &DbConn) -> ApiResult<Value> {
-    let user_id = &user.uuid;
+async fn json_err_twofactor(
+    providers: &[i32],
+    user_id: &UserId,
+    data: &ConnectData,
+    client_version: Option<&ClientVersion>,
+    conn: &DbConn,
+) -> ApiResult<Value> {
    let mut result = json!({
        "error" : "invalid_grant",
        "error_description" : "Two factor required.",
        "TwoFactorProviders" : providers.iter().map(ToString::to_string).collect::<Vec<String>>(),
        "TwoFactorProviders2" : {}, // { "0" : null }
-        "MasterPasswordPolicy": identity_master_password_policy(user, conn).await,
+        "MasterPasswordPolicy": {
+            "Object": "masterPasswordPolicy"
+        }
    });

    for provider in providers {
@@ -959,21 +947,37 @@ async fn json_err_twofactor(providers: &[i32], user: &User, data: &ConnectData,
            }

            Some(TwoFactorType::Duo) => {
-                let auth_url = duo_oidc::get_duo_auth_url(
-                    &user.email,
-                    data.client_id.as_ref().unwrap(),
-                    data.device_identifier.as_ref().unwrap(),
-                    conn,
-                )
-                .await?;
+                let email = if let Some(u) = User::find_by_uuid(user_id, conn).await {
+                    u.email
+                } else {
+                    err!("User does not exist")
+                };

-                result["TwoFactorProviders2"][provider.to_string()] = json!({
-                    "AuthUrl": auth_url,
-                });
+                if CONFIG.duo_use_iframe() {
+                    // Legacy iframe prompt flow
+                    let (signature, host) = duo::generate_duo_signature(&email, conn).await?;
+                    result["TwoFactorProviders2"][provider.to_string()] = json!({
+                        "Host": host,
+                        "Signature": signature,
+                    });
+                } else {
+                    // OIDC based flow
+                    let auth_url = duo_oidc::get_duo_auth_url(
+                        &email,
+                        data.client_id.as_ref().unwrap(),
+                        data.device_identifier.as_ref().unwrap(),
+                        conn,
+                    )
+                    .await?;
+
+                    result["TwoFactorProviders2"][provider.to_string()] = json!({
+                        "AuthUrl": auth_url,
+                    });
+                }
            }

            Some(tf_type @ TwoFactorType::YubiKey) => {
-                let Some(twofactor) = TwoFactor::find_by_user_and_type(user_id, tf_type, conn).await else {
+                let Some(twofactor) = TwoFactor::find_by_user_and_type(user_id, tf_type as i32, conn).await else {
                    err!("No YubiKey devices registered")
                };

@@ -985,10 +989,23 @@ async fn json_err_twofactor(providers: &[i32], user: &User, data: &ConnectData,
            }

            Some(tf_type @ TwoFactorType::Email) => {
-                let Some(twofactor) = TwoFactor::find_by_user_and_type(user_id, tf_type, conn).await else {
+                let Some(twofactor) = TwoFactor::find_by_user_and_type(user_id, tf_type as i32, conn).await else {
                    err!("No twofactor email registered")
                };

+                // Starting with version 2025.5.0 the client will call `/api/two-factor/send-email-login`.
+                let disabled_send = if let Some(cv) = client_version {
+                    let ver_match = semver::VersionReq::parse(">=2025.5.0").unwrap();
+                    ver_match.matches(&cv.0)
+                } else {
+                    false
+                };
+
+                // Send email immediately if email is the only 2FA option.
+                if providers.len() == 1 && !disabled_send {
+                    email::send_token(user_id, conn).await?;
+                }
+
                let email_data = email::EmailTokenData::from_json(&twofactor.data)?;
                result["TwoFactorProviders2"][provider.to_string()] = json!({
                    "Email": email::obscure_email(&email_data.email),
@@ -1026,6 +1043,11 @@ async fn prelogin_password(data: Json<PreloginData>, ip: ClientIp, conn: DbConn)
    prelogin(data, ip, conn).await
 }

+#[post("/accounts/register", data = "<data>")]
+async fn identity_register(data: Json<RegisterData>, conn: DbConn) -> JsonResult {
+    register(data, false, conn).await
+}
+
 #[derive(Debug, Deserialize)]
 #[serde(rename_all = "camelCase")]
 struct RegisterVerificationData {
@@ -1097,9 +1119,8 @@ async fn register_verification_email(
 }

 #[post("/accounts/register/finish", data = "<data>")]
-async fn register_finish(data: Json<RegisterData>, ip: ClientIp, conn: DbConn) -> JsonResult {
-    crate::ratelimit::check_limit_unauthenticated(&ip.ip)?;
-    register(data, conn).await
+async fn register_finish(data: Json<RegisterData>, conn: DbConn) -> JsonResult {
+    register(data, true, conn).await
 }

 // https://github.com/bitwarden/jslib/blob/master/common/src/models/request/tokenRequest.ts
@@ -1229,7 +1250,7 @@ async fn oidcsignin_redirect(
    let state = sso::decode_state(&base64_state)?;

    let Some(mut sso_auth) = SsoAuth::find(&state, conn).await else {
-        err!(format!("Cannot retrieve sso_auth for {}", state.escape_debug()))
+        err!(format!("Cannot retrieve sso_auth for {state}"))
    };

    // Browser-binding check
@@ -1238,7 +1259,7 @@ async fn oidcsignin_redirect(
    let provided_hash = cookie_value.as_deref().map(|v| crypto::sha256_hex(v.as_bytes()));
    match (sso_auth.binding_hash.as_deref(), provided_hash.as_deref()) {
        (Some(expected), Some(actual)) if crypto::ct_eq(expected, actual) => {}
-        _ => err!(format!("SSO session binding mismatch for {}", state.escape_debug())),
+        _ => err!(format!("SSO session binding mismatch for {state}")),
    }
    cookies
        .remove(Cookie::build(SSO_BINDING_COOKIE).path(format!("{}/identity/connect/", CONFIG.domain_path())).build());
@@ -23,7 +23,7 @@ pub use crate::api::{
    icons::routes as icons_routes,
    identity::routes as identity_routes,
    notifications::routes as notifications_routes,
-    notifications::{AnonymousNotify, Notify, UpdateType, WS_ANONYMOUS_SUBSCRIPTIONS, WS_USERS},
+    notifications::{AnonymousNotify, LogOutReason, Notify, UpdateType, WS_ANONYMOUS_SUBSCRIPTIONS, WS_USERS},
    push::{
        push_cipher_update, push_folder_update, push_logout, push_send_update, push_user_update, register_push_device,
        unregister_push_device,
@@ -46,7 +46,7 @@ pub type JsonResult = ApiResult<Json<Value>>;
 pub type EmptyResult = ApiResult<()>;

 // Common structs representing JSON data received
-#[derive(Debug, Deserialize)]
+#[derive(Deserialize)]
 #[serde(rename_all = "camelCase")]
 struct PasswordOrOtpData {
    #[serde(alias = "MasterPasswordHash")]
@@ -124,21 +124,3 @@ async fn master_password_policy(user: &User, conn: &DbConn) -> Value {
    mpp_json["Object"] = json!("masterPasswordPolicy");
    mpp_json
 }
-
-// Identity responses use PascalCase keys like upstream, some clients (Android) only read those
-async fn identity_master_password_policy(user: &User, conn: &DbConn) -> Value {
-    match master_password_policy(user, conn).await {
-        Value::Object(policy) => Value::Object(
-            policy
-                .into_iter()
-                .map(|(mut key, value)| {
-                    if let Some(first) = key.get_mut(..1) {
-                        first.make_ascii_uppercase();
-                    }
-                    (key, value)
-                })
-                .collect(),
-        ),
-        policy => policy,
-    }
-}
@@ -1,7 +1,7 @@
 use std::{
    net::IpAddr,
    sync::{Arc, LazyLock},
-    time::{Duration, Instant},
+    time::Duration,
 };

 use chrono::{NaiveDateTime, Utc};
@@ -41,14 +41,6 @@ pub static WS_ANONYMOUS_SUBSCRIPTIONS: LazyLock<Arc<AnonymousWebSocketSubscripti
 /// One connection is needed per pending login request, several at once are only expected behind NAT.
 const MAX_ANONYMOUS_CONNECTIONS_PER_IP: u32 = 25;

-/// How often a Ping is sent to the client.
-const WS_PING_INTERVAL: Duration = Duration::from_secs(15);
-
-/// Close the connection if nothing, not even a Pong, was received from the client for this long.
-/// Otherwise half-open connections (client gone without a FIN, e.g. behind a proxy or NAT) are kept forever.
-/// Same as the default `ClientTimeoutInterval` of ASP.NET Core SignalR, which the official server uses.
-const WS_CLIENT_TIMEOUT: Duration = Duration::from_secs(30);
-
 static NOTIFICATIONS_DISABLED: LazyLock<bool> = LazyLock::new(|| !CONFIG.enable_websocket() && !CONFIG.push_enabled());

 pub fn routes() -> Vec<Route> {
@@ -164,16 +156,12 @@ fn websockets_hub<'r>(
        rocket_ws::Stream! { ws => {
            let mut ws = ws;
            let _guard = guard;
-            let mut interval = tokio::time::interval(WS_PING_INTERVAL);
-            let mut last_received = Instant::now();
+            let mut interval = tokio::time::interval(Duration::from_secs(15));
            loop {
                tokio::select! {
                    res = ws.next() =>  {
                        match res {
                            Some(Ok(message)) => {
-                                // Any message, including a Pong, means the client is still there
-                                last_received = Instant::now();
-
                                match message {
                                    // Respond to any pings
                                    Message::Ping(ping) => yield Message::Pong(ping),
@@ -207,13 +195,7 @@ fn websockets_hub<'r>(
                        }
                    }

-                    _ = interval.tick() => {
-                        // The client stopped responding without closing the connection, drop it
-                        if last_received.elapsed() > WS_CLIENT_TIMEOUT {
-                            break;
-                        }
-                        yield Message::Ping(create_ping());
-                    }
+                    _ = interval.tick() => yield Message::Ping(create_ping())
                }
            }
        }}
@@ -247,16 +229,12 @@ fn anonymous_websockets_hub<'r>(ws: WebSocket, token: String, ip: ClientIp) -> R
        rocket_ws::Stream! { ws => {
            let mut ws = ws;
            let _guard = guard;
-            let mut interval = tokio::time::interval(WS_PING_INTERVAL);
-            let mut last_received = Instant::now();
+            let mut interval = tokio::time::interval(Duration::from_secs(15));
            loop {
                tokio::select! {
                    res = ws.next() =>  {
                        match res {
                            Some(Ok(message)) => {
-                                // Any message, including a Pong, means the client is still there
-                                last_received = Instant::now();
-
                                match message {
                                    // Respond to any pings
                                    Message::Ping(ping) => yield Message::Pong(ping),
@@ -290,13 +268,7 @@ fn anonymous_websockets_hub<'r>(ws: WebSocket, token: String, ip: ClientIp) -> R
                        }
                    }

-                    _ = interval.tick() => {
-                        // The client stopped responding without closing the connection, drop it
-                        if last_received.elapsed() > WS_CLIENT_TIMEOUT {
-                            break;
-                        }
-                        yield Message::Ping(create_ping());
-                    }
+                    _ = interval.tick() => yield Message::Ping(create_ping())
                }
            }
        }}
@@ -411,23 +383,36 @@ impl WebSocketUsers {
    }

    pub async fn send_logout(&self, user: &User, acting_device: Option<&Device>, conn: &DbConn) {
+        self.send_logout_with_reason(user, acting_device, None, conn).await;
+    }
+
+    /// A logout that clients may handle differently depending on `reason`, e.g. syncing instead of
+    /// logging out after a key rotation that kept the sessions alive.
+    pub async fn send_logout_with_reason(
+        &self,
+        user: &User,
+        acting_device: Option<&Device>,
+        reason: Option<LogOutReason>,
+        conn: &DbConn,
+    ) {
        // Skip any processing if both WebSockets and Push are not active
        if *NOTIFICATIONS_DISABLED {
            return;
        }
        let acting_device_id = acting_device.map(|d| d.uuid.clone());
-        let data = create_update(
-            vec![("UserId".into(), user.uuid.to_string().into()), ("Date".into(), serialize_date(user.updated_at))],
-            UpdateType::LogOut,
-            acting_device_id,
-        );
+        let mut payload =
+            vec![("UserId".into(), user.uuid.to_string().into()), ("Date".into(), serialize_date(user.updated_at))];
+        if let Some(reason) = reason {
+            payload.push(("Reason".into(), (reason as i32).into()));
+        }
+        let data = create_update(payload, UpdateType::LogOut, acting_device_id);

        if CONFIG.enable_websocket() {
            self.send_update(&user.uuid, &data).await;
        }

        if CONFIG.push_enabled() {
-            push_logout(user, acting_device, conn).await;
+            push_logout(user, acting_device, reason, conn).await;
        }
    }

@@ -695,6 +680,15 @@ fn create_ping() -> Vec<u8> {
    serialize(&Value::Array(vec![6.into()]))
 }

+/// Why a logout was pushed. Absent for a plain logout.
+///
+/// Ref: <https://github.com/bitwarden/server/blob/main/src/Core/Enums/PushNotificationLogOutReason.cs>
+/// (`KdfChange = 0` is not sent by vaultwarden yet.)
+#[derive(Copy, Clone, Eq, PartialEq)]
+pub enum LogOutReason {
+    KeyRotation = 1,
+}
+
 // https://github.com/bitwarden/server/blob/375af7c43b10d9da03525d41452f95de3f921541/src/Core/Enums/PushType.cs
 #[derive(Copy, Clone, Eq, PartialEq)]
 pub enum UpdateType {
@@ -12,7 +12,7 @@ use tokio::sync::RwLock;

 use crate::{
    CONFIG,
-    api::{ApiResult, EmptyResult, UpdateType},
+    api::{ApiResult, EmptyResult, LogOutReason, UpdateType},
    db::{
        DbConn,
        models::{AuthRequestId, Cipher, Device, Folder, PushId, Send, User, UserId},
@@ -188,7 +188,7 @@ pub async fn push_cipher_update(ut: UpdateType, cipher: &Cipher, device: &Device
    }
 }

-pub async fn push_logout(user: &User, acting_device: Option<&Device>, conn: &DbConn) {
+pub async fn push_logout(user: &User, acting_device: Option<&Device>, reason: Option<LogOutReason>, conn: &DbConn) {
    if Device::check_user_has_push_device(&user.uuid, conn).await {
        tokio::task::spawn(send_to_push_relay(json!({
            "userId": user.uuid,
@@ -198,7 +198,8 @@ pub async fn push_logout(user: &User, acting_device: Option<&Device>, conn: &DbC
            "type": UpdateType::LogOut as i32,
            "payload": {
                "userId": user.uuid,
-                "date": format_date(&user.updated_at)
+                "date": format_date(&user.updated_at),
+                "reason": reason.map(|r| r as i32),
            },
            "clientType": null,
            "installationId": null
@@ -89,7 +89,6 @@ fn vaultwarden_css() -> EtagCached<Css<String>> {

    // Else, there is either no cache, or reload_templates is true and we need to rebuild the CSS
    let css_options = json!({
-        "email_change_allowed": CONFIG.email_change_allowed(),
        "emergency_access_allowed": CONFIG.emergency_access_allowed(),
        "load_user_scss": true,
        "mail_2fa_enabled": CONFIG._enable_email_2fa(),
@@ -1,6 +1,3 @@
-#[path = "auth/two_factor.rs"]
-pub mod two_factor;
-
 #[path = "auth/send.rs"]
 pub mod send;
 pub type SendTokens = send::SendTokens;
@@ -17,7 +14,6 @@ use ipnet::IpNet;
 use jsonwebtoken::{Algorithm, DecodingKey, EncodingKey, Header, errors::ErrorKind};
 use num_traits::FromPrimitive;
 use openssl::rsa::Rsa;
-use ring::hmac;
 use serde::{de::DeserializeOwned, ser::Serialize};

 use rocket::{
@@ -34,7 +30,7 @@ use crate::{
        models::{
            AttachmentId, CipherId, Collection, CollectionId, Device, DeviceId, DeviceType, EmergencyAccessId,
            EventType, Membership, MembershipId, MembershipStatus, MembershipType, OrgApiKeyId, OrganizationId,
-            SendFileId, SendId, User, UserId, UserStampException,
+            SendFileId, SendId, User, UserId,
        },
    },
    error::Error,
@@ -69,7 +65,6 @@ static JWT_2FA_REMEMBER_ISSUER: LazyLock<String> = LazyLock::new(|| format!("{}|

 static PRIVATE_RSA_KEY: OnceLock<EncodingKey> = OnceLock::new();
 static PUBLIC_RSA_KEY: OnceLock<DecodingKey> = OnceLock::new();
-static PRELOGIN_KDF_KEY: OnceLock<hmac::Key> = OnceLock::new();

 pub async fn initialize_keys() -> Result<(), Error> {
    use std::io::Error as IoError;
@@ -104,22 +99,9 @@ pub async fn initialize_keys() -> Result<(), Error> {
    if PUBLIC_RSA_KEY.set(dec).is_err() {
        err!("PUBLIC_RSA_KEY must only be initialized once")
    }
-
-    // Derived from the RSA key, so it stays the same across restarts without storing another secret
-    let prelogin_kdf_key = hmac::sign(&hmac::Key::new(hmac::HMAC_SHA256, &priv_key_buffer), b"prelogin-kdf");
-    if PRELOGIN_KDF_KEY.set(hmac::Key::new(hmac::HMAC_SHA256, prelogin_kdf_key.as_ref())).is_err() {
-        err!("PRELOGIN_KDF_KEY must only be initialized once")
-    }
    Ok(())
 }

-/// Returns an index in `0..len` derived from the email, the same for every request
-pub fn prelogin_kdf_index(email: &str, len: usize) -> usize {
-    let tag = hmac::sign(PRELOGIN_KDF_KEY.wait(), email.as_bytes());
-    let tag = tag.as_ref();
-    usize::from(u16::from_be_bytes([tag[0], tag[1]])) % len
-}
-
 pub fn encode_jwt<T: Serialize>(claims: &T) -> String {
    match jsonwebtoken::encode(&JWT_HEADER, claims, PRIVATE_RSA_KEY.wait()) {
        Ok(token) => token,
@@ -271,7 +253,7 @@ impl LoginJwtClaims {
            premium: true,
            name: user.name.clone(),
            email: user.email.clone(),
-            email_verified: user.verified(),
+            email_verified: !CONFIG.mail_enabled() || user.verified_at.is_some(),

            // ---
            // Disabled these keys to be added to the JWT since they could cause the JWT to get too large
@@ -314,17 +296,6 @@ impl LoginJwtClaims {
    }
 }

-fn calculate_invite_expire_hours(now: &DateTime<Utc>) -> Result<DateTime<Utc>, Error> {
-    let expire_hours = i64::from(CONFIG.invitation_expiration_hours());
-    let Some(hours_delta) = TimeDelta::try_hours(expire_hours) else {
-        err!("Unable to calculate time delta for invite expire hours. Check `INVITATION_EXPIRATION_HOURS`.");
-    };
-    let Some(exp) = now.checked_add_signed(hours_delta) else {
-        err!("Unable to calculate invitation expire date. Check `INVITATION_EXPIRATION_HOURS`.");
-    };
-    Ok(exp)
-}
-
 #[derive(Debug, Serialize, Deserialize)]
 pub struct InviteJwtClaims {
    // Not before
@@ -348,19 +319,19 @@ pub fn generate_invite_claims(
    org_id: OrganizationId,
    member_id: MembershipId,
    invited_by_email: Option<String>,
-) -> Result<InviteJwtClaims, Error> {
+) -> InviteJwtClaims {
    let time_now = Utc::now();
-    let exp = calculate_invite_expire_hours(&time_now)?;
-    Ok(InviteJwtClaims {
+    let expire_hours = i64::from(CONFIG.invitation_expiration_hours());
+    InviteJwtClaims {
        nbf: time_now.timestamp(),
-        exp: exp.timestamp(),
+        exp: (time_now + TimeDelta::try_hours(expire_hours).unwrap()).timestamp(),
        iss: JWT_INVITE_ISSUER.to_string(),
        sub: user_id,
        email,
        org_id,
        member_id,
        invited_by_email,
-    })
+    }
 }

 #[derive(Debug, Serialize, Deserialize)]
@@ -386,19 +357,19 @@ pub fn generate_emergency_access_invite_claims(
    emer_id: EmergencyAccessId,
    grantor_name: String,
    grantor_email: String,
-) -> Result<EmergencyAccessInviteJwtClaims, Error> {
+) -> EmergencyAccessInviteJwtClaims {
    let time_now = Utc::now();
-    let exp = calculate_invite_expire_hours(&time_now)?;
-    Ok(EmergencyAccessInviteJwtClaims {
+    let expire_hours = i64::from(CONFIG.invitation_expiration_hours());
+    EmergencyAccessInviteJwtClaims {
        nbf: time_now.timestamp(),
-        exp: exp.timestamp(),
+        exp: (time_now + TimeDelta::try_hours(expire_hours).unwrap()).timestamp(),
        iss: JWT_EMERGENCY_ACCESS_INVITE_ISSUER.to_string(),
        sub: user_id,
        email,
        emer_id,
        grantor_name,
        grantor_email,
-    })
+    }
 }

 #[derive(Debug, Serialize, Deserialize)]
@@ -451,7 +422,7 @@ pub fn generate_file_download_claims(cipher_id: CipherId, file_id: AttachmentId)
    let time_now = Utc::now();
    FileDownloadClaims {
        nbf: time_now.timestamp(),
-        exp: (time_now + TimeDelta::try_minutes(1).unwrap()).timestamp(),
+        exp: (time_now + TimeDelta::try_minutes(5).unwrap()).timestamp(),
        iss: JWT_FILE_DOWNLOAD_ISSUER.to_string(),
        sub: cipher_id,
        file_id,
@@ -532,43 +503,36 @@ impl BasicJwtClaims {
    }
 }

-pub fn generate_delete_claims(uuid: String) -> Result<BasicJwtClaims, Error> {
+pub fn generate_delete_claims(uuid: String) -> BasicJwtClaims {
    let time_now = Utc::now();
-    let exp = calculate_invite_expire_hours(&time_now)?;
-    Ok(BasicJwtClaims {
+    let expire_hours = i64::from(CONFIG.invitation_expiration_hours());
+    BasicJwtClaims {
        nbf: time_now.timestamp(),
-        exp: exp.timestamp(),
+        exp: (time_now + TimeDelta::try_hours(expire_hours).unwrap()).timestamp(),
        iss: JWT_DELETE_ISSUER.to_string(),
        sub: uuid,
-    })
+    }
 }

-pub fn generate_verify_email_claims(user_id: &UserId) -> Result<BasicJwtClaims, Error> {
+pub fn generate_verify_email_claims(user_id: &UserId) -> BasicJwtClaims {
    let time_now = Utc::now();
-    let exp = calculate_invite_expire_hours(&time_now)?;
-    Ok(BasicJwtClaims {
+    let expire_hours = i64::from(CONFIG.invitation_expiration_hours());
+    BasicJwtClaims {
        nbf: time_now.timestamp(),
-        exp: exp.timestamp(),
+        exp: (time_now + TimeDelta::try_hours(expire_hours).unwrap()).timestamp(),
        iss: JWT_VERIFYEMAIL_ISSUER.to_string(),
        sub: user_id.to_string(),
-    })
+    }
 }

-pub fn generate_admin_claims() -> Result<BasicJwtClaims, Error> {
+pub fn generate_admin_claims() -> BasicJwtClaims {
    let time_now = Utc::now();
-    let lifetime_minutes = i64::from(CONFIG.admin_session_lifetime());
-    let Some(minutes_delta) = TimeDelta::try_minutes(lifetime_minutes) else {
-        err!("Unable to calculate time delta for admin session lifetime. Check `ADMIN_SESSION_LIFETIME`.");
-    };
-    let Some(exp) = time_now.checked_add_signed(minutes_delta) else {
-        err!("Unable to calculate admin session lifetime. Check `ADMIN_SESSION_LIFETIME`.");
-    };
-    Ok(BasicJwtClaims {
+    BasicJwtClaims {
        nbf: time_now.timestamp(),
-        exp: exp.timestamp(),
+        exp: (time_now + TimeDelta::try_minutes(CONFIG.admin_session_lifetime()).unwrap()).timestamp(),
        iss: JWT_ADMIN_ISSUER.to_string(),
        sub: "admin_panel".to_owned(),
-    })
+    }
 }

 pub fn generate_send_claims(send_id: &SendId, file_id: &SendFileId) -> BasicJwtClaims {
@@ -703,31 +667,13 @@ impl<'r> FromRequest<'r> for Headers {
        };

        if user.security_stamp != claims.sstamp {
-            if let Some(stamp_exception) =
-                user.stamp_exception.as_deref().and_then(|s| serde_json::from_str::<UserStampException>(s).ok())
-            {
-                let Some(current_route) = request.route().and_then(|r| r.name.as_deref()) else {
-                    err_handler!("Error getting current route for stamp exception")
-                };
+            let Some(current_route) = request.route().and_then(|r| r.name.as_deref()) else {
+                err_handler!("Error getting current route for stamp exception")
+            };

-                // Check if the stamp exception has expired first.
-                // Then, check if the current route matches any of the allowed routes.
-                // After that check the stamp in exception matches the one in the claims.
-                if Utc::now().timestamp() > stamp_exception.expire {
-                    // If the stamp exception has been expired remove it from the database.
-                    // This prevents checking this stamp exception for new requests.
-                    let mut user = user;
-                    user.reset_stamp_exception();
-                    if let Err(e) = user.save(&conn).await {
-                        error!("Error updating user: {e:#?}");
-                    }
-                    err_handler!("Stamp exception is expired")
-                } else if !stamp_exception.routes.contains(&current_route.to_owned()) {
-                    err_handler!("Invalid security stamp: Current route and exception route do not match")
-                } else if stamp_exception.security_stamp != claims.sstamp {
-                    err_handler!("Invalid security stamp for matched stamp exception")
-                }
-            } else {
+            // Expired exceptions are dropped the next time the stamp is reset, not here: writing them
+            // back from this request could undo a reset made since the user was read.
+            if !user.stamp_exceptions().iter().any(|e| e.allows(&claims.sstamp, current_route)) {
                err_handler!("Invalid security stamp")
            }
        }
@@ -1127,31 +1073,6 @@ fn ip_header_is_trusted(remote: Option<IpAddr>) -> bool {
    trusted.split(',').filter_map(parse_trusted_proxy).any(|net| net.contains(&remote))
 }

-/// Each proxy appends the address it received the request from to a list header (`X-Forwarded-For: client, proxy1`).
-/// Like ASP.NET's ForwardedHeaders, walk the entries of every occurrence of the header from the right and take the
-/// first one that isn't a trusted proxy. If they all are, the leftmost one is the client.
-fn client_ip_from_header(req: &Request<'_>, header: &str, is_trusted: impl Fn(IpAddr) -> bool) -> Option<IpAddr> {
-    let values: Vec<&str> = req.headers().get(header).collect();
-    client_ip_from_header_values(&values, header, is_trusted)
-}
-
-fn client_ip_from_header_values(values: &[&str], header: &str, is_trusted: impl Fn(IpAddr) -> bool) -> Option<IpAddr> {
-    let entries: Vec<&str> = values.iter().flat_map(|value| value.split(',')).map(str::trim).collect();
-
-    let mut client_ip = None;
-    for entry in entries.into_iter().rev() {
-        let Ok(ip) = entry.parse() else {
-            warn!("'{header}' header is malformed: {entry}");
-            break;
-        };
-        client_ip = Some(ip);
-        if !is_trusted(ip) {
-            break;
-        }
-    }
-    client_ip
-}
-
 #[rocket::async_trait]
 impl<'r> FromRequest<'r> for ClientIp {
    type Error = ();
@@ -1160,7 +1081,15 @@ impl<'r> FromRequest<'r> for ClientIp {
        let remote = req.remote().map(|r| r.ip());

        let ip = if CONFIG._ip_header_enabled() && ip_header_is_trusted(remote) {
-            client_ip_from_header(req, &CONFIG.ip_header(), |ip| ip_header_is_trusted(Some(ip)))
+            req.headers().get_one(&CONFIG.ip_header()).and_then(|ip| {
+                match ip.find(',') {
+                    Some(idx) => &ip[..idx],
+                    None => ip,
+                }
+                .parse()
+                .map_err(|_| warn!("'{}' header is malformed: {ip}", CONFIG.ip_header()))
+                .ok()
+            })
        } else {
            if CONFIG._ip_header_enabled() && req.headers().get_one(&CONFIG.ip_header()).is_some() {
                // Log the canonical IP, which is what the user filter will need to match against
@@ -1279,7 +1208,7 @@ impl AuthMethod {
        match scope {
            None => err!("Missing scope"),
            Some(scope) if scope == &method_scope => Ok(method_scope),
-            Some(scope) => err!(format!("Scope ({}) not supported", scope.escape_debug())),
+            Some(scope) => err!(format!("Scope ({scope}) not supported")),
        }
    }
 }
@@ -1398,52 +1327,3 @@ pub async fn refresh_tokens(

    Ok((device, auth_tokens))
 }
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    fn client_ip(values: &[&str]) -> Option<IpAddr> {
-        let is_trusted = |ip: IpAddr| match ip {
-            IpAddr::V4(v4) => v4.is_private() || v4.is_loopback(),
-            IpAddr::V6(v6) => v6.is_loopback(),
-        };
-        client_ip_from_header_values(values, "X-Forwarded-For", is_trusted)
-    }
-
-    fn ip(s: &str) -> Option<IpAddr> {
-        Some(s.parse().unwrap())
-    }
-
-    #[test]
-    fn ip_header_single_value() {
-        assert_eq!(client_ip(&["203.0.113.5"]), ip("203.0.113.5"));
-        assert_eq!(client_ip(&["10.0.0.7"]), ip("10.0.0.7"));
-        assert_eq!(client_ip(&["2001:db8::1"]), ip("2001:db8::1"));
-    }
-
-    #[test]
-    fn ip_header_uses_rightmost_untrusted_entry() {
-        // Entries already in the request come before the one the proxy appended
-        assert_eq!(client_ip(&["198.51.100.1, 203.0.113.5"]), ip("203.0.113.5"));
-        // Trusted proxies on the right are skipped
-        assert_eq!(client_ip(&["198.51.100.1, 203.0.113.5, 10.0.0.2, 127.0.0.1"]), ip("203.0.113.5"));
-        // All trusted, so the leftmost entry is the client
-        assert_eq!(client_ip(&["192.168.1.10, 10.0.0.2"]), ip("192.168.1.10"));
-    }
-
-    #[test]
-    fn ip_header_reads_every_occurrence() {
-        assert_eq!(client_ip(&["198.51.100.1", "203.0.113.5"]), ip("203.0.113.5"));
-        assert_eq!(client_ip(&["198.51.100.1", "203.0.113.5, 10.0.0.2"]), ip("203.0.113.5"));
-    }
-
-    #[test]
-    fn ip_header_malformed_entries() {
-        assert_eq!(client_ip(&[]), None);
-        assert_eq!(client_ip(&[""]), None);
-        assert_eq!(client_ip(&["203.0.113.5, not-an-ip"]), None);
-        // Stops at the malformed entry and keeps the closest proxy
-        assert_eq!(client_ip(&["not-an-ip, 10.0.0.2"]), ip("10.0.0.2"));
-    }
-}
@@ -75,7 +75,7 @@ impl SendTokens {
            return Self::invalid_error(&format!("Can't convert {access_id}"), "send_id_invalid", false);
        };

-        let Some(send) = Send::find_by_uuid(&send_id, conn).await else {
+        let Some(mut send) = Send::find_by_uuid(&send_id, conn).await else {
            return Self::invalid_error(&format!("Can't find {send_id}"), "send_id_invalid", false);
        };

@@ -103,6 +103,10 @@ impl SendTokens {
            }
        }

+        if !send.register_access(conn).await? {
+            return Self::invalid_error(&format!("Send {send_id}, max access reached"), "send_id_invalid", true);
+        }
+
        Ok(Self {
            access_claims: generate_send_access_claims(&send_id),
        })
@@ -1,281 +0,0 @@
-use chrono::{TimeDelta, Utc};
-use serde::{de::DeserializeOwned, ser::Serialize};
-use std::sync::LazyLock;
-
-use crate::{
-    CONFIG,
-    api::{ApiResult, EmptyResult},
-    auth::{decode_jwt, encode_jwt},
-    db::models::UserId,
-};
-
-static JWT_2FA_AUTH_ISSUER: LazyLock<String> = LazyLock::new(|| format!("{}|api.2fa", CONFIG.domain_origin()));
-
-#[derive(Serialize, Deserialize)]
-pub struct TwoFactorClaims<T> {
-    // Not before
-    pub nbf: i64,
-    // Expiration time
-    pub exp: i64,
-    // Issuer
-    pub iss: String,
-    // Subject
-    pub sub: UserId,
-
-    pub enabled: bool,
-
-    pub claims: T,
-}
-
-#[derive(Serialize, Deserialize)]
-#[serde(deny_unknown_fields)]
-pub struct AuthenticatorClaims {
-    #[serde(rename = "authenticator_key")]
-    pub key: String,
-}
-
-#[derive(Serialize, Deserialize)]
-#[serde(deny_unknown_fields)]
-pub struct DuoClaims {
-    #[serde(rename = "duo_data")]
-    pub data: Option<DuoData>,
-}
-
-#[derive(Serialize, Deserialize)]
-#[serde(deny_unknown_fields)]
-pub struct WebauthnClaims {
-    #[serde(rename = "webauthn_keys")]
-    pub keys: Vec<i32>,
-}
-
-#[derive(Serialize, Deserialize)]
-#[serde(deny_unknown_fields)]
-pub struct YubikeyClaims {
-    #[serde(rename = "yubi_keys")]
-    pub keys: Vec<String>,
-}
-
-#[derive(Serialize, Deserialize, PartialEq)]
-pub struct DuoData {
-    pub host: String, // Duo API hostname
-    pub ik: String,   // client id
-    pub sk: String,   // client secret
-}
-
-impl DuoData {
-    pub fn global() -> Option<Self> {
-        match (CONFIG._enable_duo(), CONFIG.duo_host()) {
-            (true, Some(host)) => Some(Self {
-                host,
-                ik: CONFIG.duo_ikey().unwrap(),
-                sk: CONFIG.duo_skey().unwrap(),
-            }),
-            _ => None,
-        }
-    }
-    pub fn msg(s: &str) -> Self {
-        Self {
-            host: s.into(),
-            ik: s.into(),
-            sk: s.into(),
-        }
-    }
-    pub fn secret() -> Self {
-        Self::msg("<global_secret>")
-    }
-    pub fn obscure(self) -> Self {
-        let mut host = self.host;
-        let mut ik = self.ik;
-        let mut sk = self.sk;
-
-        let digits = 4;
-        let replaced = "************";
-
-        host.replace_range(digits.., replaced);
-        ik.replace_range(digits.., replaced);
-        sk.replace_range(digits.., replaced);
-
-        Self {
-            host,
-            ik,
-            sk,
-        }
-    }
-}
-
-#[derive(Serialize, Deserialize)]
-#[serde(deny_unknown_fields)]
-pub struct EmailClaims {
-    pub email: Option<String>,
-}
-
-fn token<T: Serialize>(user_id: UserId, enabled: bool, claims: T) -> String {
-    let time_now = Utc::now();
-    let claims = TwoFactorClaims {
-        nbf: time_now.timestamp(),
-        exp: (time_now + TimeDelta::try_minutes(5).unwrap()).timestamp(),
-        iss: JWT_2FA_AUTH_ISSUER.to_string(),
-        sub: user_id,
-        enabled,
-        claims,
-    };
-    encode_jwt(&claims)
-}
-
-fn validate<T: DeserializeOwned>(token: &str, user_id: &UserId, enabled: bool) -> ApiResult<T> {
-    match decode_jwt::<TwoFactorClaims<T>>(token, JWT_2FA_AUTH_ISSUER.to_string()) {
-        Ok(claims) => {
-            if claims.sub != *user_id {
-                err!("Invalid verification token: Invalid user");
-            }
-            if claims.enabled != enabled {
-                err!("Invalid verification token: Invalid state");
-            }
-            Ok(claims.claims)
-        }
-        Err(err) => err!(format!("Failed to decode verification token: {err}")),
-    }
-}
-
-pub fn authenticator_token(user_id: UserId, key: String, enabled: bool) -> String {
-    token(
-        user_id,
-        enabled,
-        AuthenticatorClaims {
-            key,
-        },
-    )
-}
-
-pub fn validate_authenticator(token: &str, user_id: &UserId, key: &str, enabled: bool) -> EmptyResult {
-    let claims = validate::<AuthenticatorClaims>(token, user_id, enabled)?;
-    if claims.key != key {
-        err!("Invalid verification token: Invalid key");
-    }
-    Ok(())
-}
-
-pub fn duo_token(user_id: UserId, data: Option<DuoData>, enabled: bool) -> String {
-    token(
-        user_id,
-        enabled,
-        DuoClaims {
-            data,
-        },
-    )
-}
-
-// When disabling we check that it's the correct data
-pub fn validate_duo(token: &str, user_id: &UserId, data: Option<&DuoData>, enabled: bool) -> EmptyResult {
-    let claims = validate::<DuoClaims>(token, user_id, enabled)?;
-    if enabled && claims.data.as_ref() != data {
-        err!("Invalid verification token: Invalid duo data");
-    }
-    Ok(())
-}
-
-pub fn email_token(user_id: UserId, email: Option<String>, enabled: bool) -> String {
-    token(
-        user_id,
-        enabled,
-        EmailClaims {
-            email,
-        },
-    )
-}
-
-// When disabling we check that it's the correct `email`
-pub fn validate_email(token: &str, user_id: &UserId, email: String, enabled: bool) -> EmptyResult {
-    let claims = validate::<EmailClaims>(token, user_id, enabled)?;
-    if enabled && claims.email != Some(email) {
-        err!("Invalid verification token: Invalid email");
-    }
-    Ok(())
-}
-
-pub fn webauthn_token(user_id: UserId, keys: Vec<i32>, enabled: bool) -> String {
-    token(
-        user_id,
-        enabled,
-        WebauthnClaims {
-            keys,
-        },
-    )
-}
-
-pub fn validate_webauthn(token: &str, user_id: &UserId, keys: &[i32], enabled: bool) -> EmptyResult {
-    let claims = validate::<WebauthnClaims>(token, user_id, enabled)?;
-    if keys != claims.keys {
-        err!("Invalid verification token: Invalid keys");
-    }
-    Ok(())
-}
-
-pub fn yubikey_token(user_id: UserId, keys: Vec<String>, enabled: bool) -> String {
-    token(
-        user_id,
-        enabled,
-        YubikeyClaims {
-            keys,
-        },
-    )
-}
-
-pub fn validate_yubikey(token: &str, user_id: &UserId, keys: &Vec<String>, enabled: bool) -> EmptyResult {
-    let claims = validate::<YubikeyClaims>(token, user_id, enabled)?;
-    if *keys != claims.keys {
-        err!("Invalid verification token: Invalid keys");
-    }
-    Ok(())
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use serde_json::{Value, from_value, to_value};
-
-    fn token<T: Serialize>(claims: T) -> Value {
-        to_value(TwoFactorClaims {
-            nbf: 0,
-            exp: 0,
-            iss: String::new(),
-            sub: UserId::from(String::from("4ff0f0a4-0aa4-4c1d-9d43-1f2bd4d5e8b1")),
-            enabled: false,
-            claims,
-        })
-        .unwrap()
-    }
-
-    #[test]
-    fn claims_only_parse_as_their_own_provider() {
-        let tokens = [
-            token(AuthenticatorClaims {
-                key: String::from("JBSWY3DPEHPK3PXP"),
-            }),
-            token(DuoClaims {
-                data: None,
-            }),
-            token(WebauthnClaims {
-                keys: vec![1],
-            }),
-            token(YubikeyClaims {
-                keys: Vec::new(),
-            }),
-            token(EmailClaims {
-                email: None,
-            }),
-        ];
-        for (issued, token) in tokens.iter().enumerate() {
-            let parsed = [
-                from_value::<TwoFactorClaims<AuthenticatorClaims>>(token.clone()).is_ok(),
-                from_value::<TwoFactorClaims<DuoClaims>>(token.clone()).is_ok(),
-                from_value::<TwoFactorClaims<WebauthnClaims>>(token.clone()).is_ok(),
-                from_value::<TwoFactorClaims<YubikeyClaims>>(token.clone()).is_ok(),
-                from_value::<TwoFactorClaims<EmailClaims>>(token.clone()).is_ok(),
-            ];
-            for (checked, ok) in parsed.into_iter().enumerate() {
-                assert_eq!(ok, issued == checked, "token {issued} parsed as {checked}");
-            }
-        }
-    }
-}
@@ -111,7 +111,6 @@ macro_rules! make_config {
            _usr: ConfigBuilder,

            _overrides: Vec<&'static str>,
-            _config_file_status: ConfigFileStatus,
        }

        // Custom Deserialize for ConfigBuilder, mainly based upon https://serde.rs/deserialize-struct.html
@@ -260,18 +259,11 @@ macro_rules! make_config {
                builder
            }

-            async fn from_file() -> Result<Option<Self>, Error> {
+            async fn from_file() -> Result<Self, Error> {
                let operator = storage::operator_for_path(&CONFIG_FILE_PARENT_DIR)?;
-                let config_bytes = match operator.read(&CONFIG_FILENAME).await {
-                    Ok(bytes) => bytes,
-                    // No config file is fine, should not return any error
-                    Err(e) if e.kind() == opendal::ErrorKind::NotFound => return Ok(None),
-                    // Any other error might be an issue and should be passed back to the caller
-                    Err(e) => return Err(e.into()),
-                };
-                let builder = serde_json::from_slice(&config_bytes.to_vec())?;
+                let config_bytes = operator.read(&CONFIG_FILENAME).await?;
                println!("[INFO] Using saved config from `{}` for configuration.\n", *CONFIG_FILE);
-                Ok(Some(builder))
+                serde_json::from_slice(&config_bytes.to_vec()).map_err(Into::into)
            }

            fn clear_non_editable(&mut self) {
@@ -448,8 +440,6 @@ macro_rules! make_config {
                    "domain_origin",
                    "domain_path",
                    "domain",
-                    "duo_ikey",
-                    "duo_host",
                    "helo_name",
                    "org_creation_users",
                    "signups_domains_whitelist",
@@ -461,8 +451,6 @@ macro_rules! make_config {
                    "sso_authority",
                    "sso_callback_path",
                    "sso_client_id",
-                    "yubico_client_id",
-                    "yubico_server",
                ];

                let cfg = {
@@ -495,10 +483,6 @@ macro_rules! make_config {
                };
                overrides
            }
-
-            pub fn get_config_file_status(&self) -> ConfigFileStatus {
-                self.inner.read().unwrap()._config_file_status
-            }
        }
    };
 }
@@ -555,7 +539,7 @@ make_config! {
    jobs {
        /// Job scheduler poll interval |> How often the job scheduler thread checks for jobs to run.
        /// Set to 0 to globally disable scheduled jobs.
-        job_poll_interval_ms:   u32,    false,  def,    30_000;
+        job_poll_interval_ms:   u64,    false,  def,    30_000;
        /// Send purge schedule |> Cron schedule of the job that checks for Sends past their deletion date.
        /// Defaults to hourly. Set blank to disable this job.
        send_purge_schedule:    String, false,  def,    "0 5 * * * *".to_owned();
@@ -577,7 +561,7 @@ make_config! {
        /// Auth Request cleanup schedule |> Cron schedule of the job that cleans old auth requests from the auth request.
        /// Defaults to every minute. Set blank to disable this job.
        auth_request_purge_schedule:   String, false,  def,    "30 * * * * *".to_owned();
-        /// Duo Auth context cleanup schedule |> Cron schedule of the job that cleans expired Duo contexts from the database. Does nothing if Duo MFA is disabled.
+        /// Duo Auth context cleanup schedule |> Cron schedule of the job that cleans expired Duo contexts from the database. Does nothing if Duo MFA is disabled or set to use the legacy iframe prompt.
        /// Defaults to once every minute. Set blank to disable this job.
        duo_context_purge_schedule:   String, false,  def,    "30 * * * * *".to_owned();
        /// Purge incomplete SSO auth. |> Cron schedule of the job that cleans leftover auth in db due to incomplete SSO login.
@@ -611,19 +595,19 @@ make_config! {
        /// Per-organization attachment storage limit (KB) |> Max kilobytes of attachment storage allowed per org. When this limit is reached, org members will not be allowed to upload further attachments for ciphers owned by that org.
        org_attachment_limit:   i64,    true,   option;
        /// Per-user send storage limit (KB) |> Max kilobytes of sends storage allowed per user. When this limit is reached, the user will not be allowed to upload further sends.
-        user_send_limit:        i64,    true,   option;
+        user_send_limit:   i64,    true,   option;

        /// Trash auto-delete days |> Number of days to wait before auto-deleting a trashed item.
-        /// If unset or 0, trashed items are not auto-deleted. This setting applies globally, so make
+        /// If unset, trashed items are not auto-deleted. This setting applies globally, so make
        /// sure to inform all users of any changes to this setting.
-        trash_auto_delete_days: u16,    true,   option;
+        trash_auto_delete_days: i64,    true,   option;

        /// Incomplete 2FA time limit |> Number of minutes to wait before a 2FA-enabled login is
        /// considered incomplete, resulting in an email notification. An incomplete 2FA login is one
        /// where the correct master password was provided but the required 2FA step was not completed,
        /// which potentially indicates a master password compromise. Set to 0 to disable this check.
        /// This setting applies globally to all users.
-        incomplete_2fa_time_limit: u16, true,   def,    3;
+        incomplete_2fa_time_limit: i64, true,   def,    3;

        /// Disable icon downloads |> Set to true to disable icon downloading in the internal icon service.
        /// This still serves existing icons from $ICON_CACHE_FOLDER, without generating any external
@@ -636,9 +620,9 @@ make_config! {
        /// this will prevent logins from succeeding until the address has been verified
        signups_verify:         bool,   true,   def,    false;
        /// If signups require email verification, automatically re-send verification email if it hasn't been sent for a while (in seconds)
-        signups_verify_resend_time: u32, true,  def,    3_600;
+        signups_verify_resend_time: u64, true,  def,    3_600;
        /// If signups require email verification, limit how many emails are automatically sent when login is attempted (0 means no limit)
-        signups_verify_resend_limit: u16, true, def,    6;
+        signups_verify_resend_limit: u32, true, def,    6;
        /// Email domain whitelist |> Allow signups only from this list of comma-separated domains, even when signups are otherwise disabled
        signups_domains_whitelist: String, true, def,   String::new();
        /// Enable event logging |> Enables event logging for organizations.
@@ -650,7 +634,7 @@ make_config! {
        invitations_allowed:    bool,   true,   def,    true;
        /// Invitation token expiration time (in hours) |> The number of hours after which an organization invite token, emergency access invite token,
        /// email verification token and deletion request token will expire (must be at least 1)
-        invitation_expiration_hours: u16, false, def, 120;
+        invitation_expiration_hours: u32, false, def, 120;
        /// Enable emergency access |> Controls whether users can enable emergency access to their accounts. This setting applies globally to all users.
        emergency_access_allowed:    bool,   true,   def,    true;
        /// Allow email change |> Controls whether users can change their email. This setting applies globally to all users.
@@ -671,8 +655,8 @@ make_config! {
        /// Invitation organization name |> Name shown in the invitation emails that don't come from a specific organization
        invitation_org_name:    String, true,   def,    "Vaultwarden".to_owned();

-        /// Events days retain |> Number of days to retain events stored in the database. If unset or 0, events are kept indefinitely.
-        events_days_retain:     u16,    false,   option;
+        /// Events days retain |> Number of days to retain events stored in the database. If unset, events are kept indefinitely.
+        events_days_retain:     i64,    false,   option;
    },

    client {
@@ -691,8 +675,7 @@ make_config! {
        /// other address use the remote IP instead, so a client can't spoof the header.
        /// Either the string "local" (the default, any non-global address, which covers a reverse proxy
        /// running on the same host or container network), the string "all" to accept it from anywhere,
-        /// or a comma separated list of IPs and CIDR ranges. For a list header like X-Forwarded-For, the
-        /// client IP is the rightmost address that isn't a trusted proxy, so list every proxy in the chain.
+        /// or a comma separated list of IPs and CIDR ranges.
        ip_header_trusted_proxies: String, true, def,    "local".to_owned();
        /// Icon service |> The predefined icon services are: internal, bitwarden, duckduckgo, google.
        /// To specify a custom icon service, set a URL template with exactly one instance of `{}`,
@@ -710,13 +693,13 @@ make_config! {
        /// Temporary redirects are useful while testing different icon services, but once a service
        /// has been decided on, consider using permanent redirects for cacheability. The legacy codes
        /// are currently better supported by the Bitwarden clients.
-        icon_redirect_code:     u16,    true,   def,    302;
+        icon_redirect_code:     u32,    true,   def,    302;
        /// Positive icon cache expiry |> Number of seconds to consider that an already cached icon is fresh. After this period, the icon will be refreshed
-        icon_cache_ttl:         u32,    true,   def,    2_592_000;
+        icon_cache_ttl:         u64,    true,   def,    2_592_000;
        /// Negative icon cache expiry |> Number of seconds before trying to download an icon that failed again.
-        icon_cache_negttl:      u32,    true,   def,    259_200;
+        icon_cache_negttl:      u64,    true,   def,    259_200;
        /// Icon download timeout |> Number of seconds when to stop attempting to download an icon.
-        icon_download_timeout:  u16,    true,   def,    10;
+        icon_download_timeout:  u64,    true,   def,    10;

        /// [Deprecated] Icon blacklist Regex |> Use `http_request_block_regex` instead
        icon_blacklist_regex:   String, false,   option;
@@ -767,11 +750,11 @@ make_config! {
        /// Max database connection retries |> Number of times to retry the database connection during startup, with 1 second between each retry, set to 0 to retry indefinitely
        db_connection_retries:  u32,    false,  def,    15;

-        /// Timeout in seconds when acquiring database connection
-        database_timeout:       u32,    false,  def,    30;
+        /// Timeout when acquiring database connection
+        database_timeout:       u64,    false,  def,    30;

        /// Timeout in seconds before idle connections to the database are closed
-        database_idle_timeout:  u32,    false, def,     600;
+        database_idle_timeout:  u64,    false, def,     600;

        /// Database connection max pool size
        database_max_conns:     u32,    false,  def,    10;
@@ -788,26 +771,26 @@ make_config! {
        /// Allowed iframe ancestors (Know the risks!) |> Allows other domains to embed the web vault into an iframe, useful for embedding into secure intranets
        allowed_iframe_ancestors: String, true, def,    String::new();

-        /// Allowed connect-src (Know the risks!) |> Allows other domains for URLs which can be loaded using script interfaces like the Forwarded email alias feature
+        /// Allowed connect-src (Know the risks!) |> Allows other domains to URLs which can be loaded using script interfaces like the Forwarded email alias feature
        allowed_connect_src:      String, true, def,    String::new();

        /// Seconds between login requests |> Number of seconds, on average, between login and 2FA requests from the same IP address before rate limiting kicks in
-        login_ratelimit_seconds:       u16, false, def, 60;
+        login_ratelimit_seconds:       u64, false, def, 60;
        /// Max burst size for login requests |> Allow a burst of requests of up to this size, while maintaining the average indicated by `login_ratelimit_seconds`. Note that this applies to both the login and the 2FA, so it's recommended to allow a burst size of at least 2
-        login_ratelimit_max_burst:     u16, false, def, 10;
+        login_ratelimit_max_burst:     u32, false, def, 10;

        /// Seconds between unauthenticated requests |> Number of seconds, on average, between requests from the same IP address to any of the rate limited unauthenticated endpoints
-        unauthenticated_ratelimit_seconds:   u16, false, def, 60;
+        unauthenticated_ratelimit_seconds:   u64, false, def, 60;
        /// Max burst size for unauthenticated requests |> Allow a burst of requests of up to this size, while maintaining the average indicated by `unauthenticated_ratelimit_seconds`. This is shared between several endpoints, so it needs to be more lenient than the login one
-        unauthenticated_ratelimit_max_burst: u16, false, def, 50;
+        unauthenticated_ratelimit_max_burst: u32, false, def, 50;

        /// Seconds between admin login requests |> Number of seconds, on average, between admin requests from the same IP address before rate limiting kicks in
-        admin_ratelimit_seconds:       u16, false, def, 300;
+        admin_ratelimit_seconds:       u64, false, def, 300;
        /// Max burst size for admin login requests |> Allow a burst of requests of up to this size, while maintaining the average indicated by `admin_ratelimit_seconds`
-        admin_ratelimit_max_burst:     u16, false, def, 3;
+        admin_ratelimit_max_burst:     u32, false, def, 3;

        /// Admin session lifetime |> Set the lifetime of admin sessions to this value (in minutes).
-        admin_session_lifetime:        u32, true,  def, 20;
+        admin_session_lifetime:        i64, true,  def, 20;

        /// Enable groups (BETA!) (Know the risks!) |> Enables groups support for organizations (Currently contains known issues!).
        org_groups_enabled:            bool, false, def, false;
@@ -860,8 +843,8 @@ make_config! {
        sso_master_password_policy:     String, true,  option;
        /// Use SSO only for auth not the session lifecycle |> Use default Vaultwarden session lifecycle (Idle refresh token valid for 30days)
        sso_auth_only_not_session:      bool,   true,   def,    false;
-        /// Client cache for discovery endpoint. |> Duration in seconds (0 to disable). More details: https://github.com/dani-garcia/vaultwarden/wiki/Enabling-SSO-support-using-OpenId-Connect#client-cache
-        sso_client_cache_expiration:    u32,    true,   def,    0;
+        /// Client cache for discovery endpoint. |> Duration in seconds (0 or less to disable). More details: https://github.com/dani-garcia/vaultwarden/wiki/Enabling-SSO-support-using-OpenId-Connect#client-cache
+        sso_client_cache_expiration:    u64,    true,   def,    0;
        /// Log all tokens |> `LOG_LEVEL=debug` or `LOG_LEVEL=info,vaultwarden::sso=debug` is required
        sso_debug_tokens:               bool,   true,   def,    false;
    },
@@ -882,12 +865,16 @@ make_config! {
    duo: _enable_duo {
        /// Enabled
        _enable_duo:            bool,   true,   def,     true;
+        /// Attempt to use deprecated iframe-based Traditional Prompt (Duo WebSDK 2)
+        duo_use_iframe:         bool,   false,  def,     false;
        /// Client Id
        duo_ikey:               String, true,   option;
        /// Client Secret
        duo_skey:               Pass,   true,   option;
        /// Host
        duo_host:               String, true,   option;
+        /// Application Key (generated automatically)
+        _duo_akey:              Pass,   false,  option;
    },

    /// SMTP Email Settings
@@ -919,11 +906,11 @@ make_config! {
        /// SMTP Auth mechanism |> Defaults for SSL is "Plain" and "Login" and nothing for Non-SSL connections. Possible values: ["Plain", "Login", "Xoauth2"]. Multiple options need to be separated by a comma ','.
        smtp_auth_mechanism:           String, true,   option;
        /// SMTP connection timeout |> Number of seconds when to stop trying to connect to the SMTP server
-        smtp_timeout:                  u16,    true,   def,     15;
+        smtp_timeout:                  u64,    true,   def,     15;
        /// Server name sent during HELO |> By default this value should be the machine's hostname, but might need to be changed in case it trips some anti-spam filters
        helo_name:                     String, true,   option;
        /// Embed images as email attachments.
-        smtp_embed_images:             bool,   true,   def,     true;
+        smtp_embed_images:             bool, true, def, true;
        /// _smtp_img_src
        _smtp_img_src:                 String, false, generated, |c| generate_smtp_img_src(c.smtp_embed_images, &c.domain);
        /// Enable SMTP debugging (Know the risks!) |> DANGEROUS: Enabling this will output very detailed SMTP messages. This could contain sensitive information like passwords and usernames! Only enable this during troubleshooting!
@@ -941,9 +928,9 @@ make_config! {
        /// Email token size |> Number of digits in an email 2FA token (min: 6, max: 255). Note that the Bitwarden clients are hardcoded to mention 6 digit codes regardless of this setting.
        email_token_size:       u8,     true,   def,      6;
        /// Token expiration time |> Maximum time in seconds a token is valid. The time the user has to open email client and copy token.
-        email_expiration_time:  u32,    true,   def,      600;
+        email_expiration_time:  u64,    true,   def,      600;
        /// Maximum attempts |> Maximum attempts before an email token is reset and a new email will need to be sent
-        email_attempts_limit:   u8,     true,   def,      3;
+        email_attempts_limit:   u64,    true,   def,      3;
        /// Setup email 2FA at signup |> Setup email 2FA provider on registration regardless of any organization policy
        email_2fa_enforce_on_verified_invite: bool,   true,   def,      false;
        /// Auto-enable 2FA (Know the risks!) |> Automatically setup email 2FA as fallback provider when needed
@@ -999,15 +986,7 @@ fn validate_config(cfg: &ConfigItems, on_update: bool) -> Result<(), Error> {
    }

    if cfg.database_min_conns > cfg.database_max_conns {
-        err!("`DATABASE_MIN_CONNS` must be less than or equal to `DATABASE_MAX_CONNS`.");
-    }
-
-    if cfg.database_timeout < 1 {
-        err!("`DATABASE_TIMEOUT` must be at least 1 second");
-    }
-
-    if cfg.database_idle_timeout < 1 {
-        err!("`DATABASE_IDLE_TIMEOUT` must be at least 1 second");
+        err!("`DATABASE_MIN_CONNS` must be smaller than or equal to `DATABASE_MAX_CONNS`.");
    }

    if let Some(log_file) = &cfg.log_file
@@ -1290,38 +1269,6 @@ fn validate_config(cfg: &ConfigItems, on_update: bool) -> Result<(), Error> {
        err!("`AUTH_REQUEST_PURGE_SCHEDULE` is not a valid cron expression")
    }

-    if !cfg.duo_context_purge_schedule.is_empty() && cfg.duo_context_purge_schedule.parse::<Schedule>().is_err() {
-        err!("`DUO_CONTEXT_PURGE_SCHEDULE` is not a valid cron expression")
-    }
-
-    if !cfg.purge_incomplete_sso_auth.is_empty() && cfg.purge_incomplete_sso_auth.parse::<Schedule>().is_err() {
-        err!("`PURGE_INCOMPLETE_SSO_AUTH` is not a valid cron expression")
-    }
-
-    if cfg.login_ratelimit_seconds < 1 {
-        err!("`LOGIN_RATELIMIT_SECONDS` must be at least 1 second");
-    }
-
-    if cfg.login_ratelimit_max_burst < 1 {
-        err!("`LOGIN_RATELIMIT_MAX_BURST` must be at least 1");
-    }
-
-    if cfg.admin_ratelimit_seconds < 1 {
-        err!("`ADMIN_RATELIMIT_SECONDS` must be at least 1 second");
-    }
-
-    if cfg.admin_ratelimit_max_burst < 1 {
-        err!("`ADMIN_RATELIMIT_MAX_BURST` must be at least 1");
-    }
-
-    if cfg.unauthenticated_ratelimit_seconds < 1 {
-        err!("`UNAUTHENTICATED_RATELIMIT_SECONDS` must be at least 1 second");
-    }
-
-    if cfg.unauthenticated_ratelimit_max_burst < 1 {
-        err!("`UNAUTHENTICATED_RATELIMIT_MAX_BURST` must be at least 1");
-    }
-
    if !cfg.disable_admin_token {
        match cfg.admin_token.as_ref() {
            Some(t) if t.starts_with("$argon2") => {
@@ -1471,19 +1418,33 @@ pub enum PathType {
 // Android (v2026.2.1): https://github.com/bitwarden/android/blob/6902c19c0093fa476bbf74ccaa70c9f14afbb82f/core/src/main/kotlin/com/bitwarden/core/data/manager/model/FlagKey.kt#L31
 // iOS (v2026.2.1): https://github.com/bitwarden/ios/blob/cdd9ba1770ca2ffc098d02d12cc3208e3a830454/BitwardenShared/Core/Platform/Models/Enum/FeatureFlag.swift#L7
 pub const SUPPORTED_FEATURE_FLAGS: &[&str] = &[
+    // Architecture
+    "desktop-ui-migration-milestone-1",
+    "desktop-ui-migration-milestone-2",
+    "desktop-ui-migration-milestone-3",
+    "desktop-ui-migration-milestone-4",
    // Auth Team
    "pm-5594-safari-account-switching",
    "pm-32413-multi-client-password-management",
    // Autofill Team
-    "undetermined-cipher-scenario-logic",
    "enable-basic-auth-response",
+    "ssh-agent",
    "ssh-agent-v2",
-    "windows-desktop-autotype",
-    "windows-desktop-autotype-ga",
    // Key Management Team
-    "biometrics-sdk-ipc",
-    "windows-native-credential-sync",
+    "ssh-key-vault-item",
+    "pm-25373-windows-biometrics-v2",
+    "pm-26340-linux-biometrics-v2",
+    "pm-31050-no-logout-key-upgrade-rotation",
+    "pm-27278-v2-password-registration",
+    "enable-account-encryption-v2-jit-password-registration",
+    "pm-30144-sdk-key-rotation",
+    "force-upgrade-v2-encryption",
    // Mobile Team
+    "anon-addy-self-host-alias",
+    "simple-login-self-host-alias",
+    "mutual-tls",
+    "cxp-import-mobile",
+    "cxp-export-mobile",
    "pm-34171-card-scanner",
    // Platform Team
    "pm-30529-webauthn-related-origins",
@@ -1491,34 +1452,11 @@ pub const SUPPORTED_FEATURE_FLAGS: &[&str] = &[
    "pm-32009-new-item-types",
 ];

-#[derive(Clone, Copy, Serialize)]
-pub enum ConfigFileStatus {
-    NotFound,
-    Loaded,
-    Error,
-}
-
 impl Config {
    pub async fn load() -> Result<Self, Error> {
        // Loading from env and file
        let env = ConfigBuilder::from_env();
-        let (usr, config_file_status) = match ConfigBuilder::from_file().await {
-            Ok(Some(usr)) => (usr, ConfigFileStatus::Loaded),
-            Ok(None) => (ConfigBuilder::default(), ConfigFileStatus::NotFound),
-            Err(e) => {
-                println!(
-                    "[ERROR] Failed to load configuration from `{}`\n\
-                    #####################################################################################\n\
-                    # The file seems to exist but might contain invalid JSON or invalid values.         #\n\
-                    # Check the syntax and make sure every value is valid and within its allowed range. #\n\
-                    # This file is not used until those errors are resolved.                            #\n\
-                    #####################################################################################\n\
-                {e:?}\n",
-                    *CONFIG_FILE
-                );
-                (ConfigBuilder::default(), ConfigFileStatus::Error)
-            }
-        };
+        let usr = ConfigBuilder::from_file().await.unwrap_or_default();

        // Create merged config, config file overwrites env
        let mut overrides = Vec::new();
@@ -1538,7 +1476,6 @@ impl Config {
                _env: env,
                _usr: usr,
                _overrides: overrides,
-                _config_file_status: config_file_status,
            }),
        })
    }
@@ -1572,7 +1509,6 @@ impl Config {
            writer.config = config;
            writer._usr = builder;
            writer._overrides = overrides;
-            writer._config_file_status = ConfigFileStatus::Loaded;
        }

        //Save to file
@@ -1585,6 +1521,15 @@ impl Config {
        Ok(())
    }

+    async fn update_config_partial(&self, other: ConfigBuilder) -> Result<(), Error> {
+        let builder = {
+            let usr = &self.inner.read().unwrap()._usr;
+            let mut overrides = Vec::new();
+            usr.merge(&other, false, &mut overrides)
+        };
+        self.update_config(builder, false).await
+    }
+
    /// Tests whether an email's domain is allowed. A domain is allowed if it
    /// is in signups_domains_whitelist, or if no whitelist is set (so there
    /// are no domain restrictions in effect).
@@ -1664,7 +1609,6 @@ impl Config {
            writer.config = config;
            writer._usr = usr;
            writer._overrides = Vec::new();
-            writer._config_file_status = ConfigFileStatus::NotFound;
        }

        // Invalidate CSS Cache because several config items might have impact on the rendered CSS
@@ -1681,6 +1625,23 @@ impl Config {
        inner._enable_smtp && (inner.smtp_host.is_some() || inner.use_sendmail)
    }

+    pub async fn get_duo_akey(&self) -> String {
+        if let Some(akey) = self._duo_akey() {
+            akey
+        } else {
+            let akey_s = crate::crypto::encode_random_bytes::<64>(&data_encoding::BASE64);
+
+            // Save the new value
+            let builder = ConfigBuilder {
+                _duo_akey: Some(akey_s.clone()),
+                ..Default::default()
+            };
+            self.update_config_partial(builder).await.ok();
+
+            akey_s
+        }
+    }
+
    pub fn is_webauthn_2fa_supported(&self) -> bool {
        Url::parse(&self.domain()).expect("DOMAIN not a valid URL").domain().is_some()
    }
@@ -1812,7 +1773,6 @@ where
    reg!("email/protected_action", ".html");
    reg!("email/pw_hint_none", ".html");
    reg!("email/pw_hint_some", ".html");
-    reg!("email/recover_twofactor", ".html");
    reg!("email/register_verify_email", ".html");
    reg!("email/send_2fa_removed_from_org", ".html");
    reg!("email/send_emergency_access_invite", ".html");
@@ -212,8 +212,8 @@ impl DbPool {
        let pool = Pool::builder()
            .max_size(max_conns)
            .min_idle(Some(CONFIG.database_min_conns()))
-            .idle_timeout(Some(Duration::from_secs(u64::from(CONFIG.database_idle_timeout()))))
-            .connection_timeout(Duration::from_secs(u64::from(CONFIG.database_timeout())))
+            .idle_timeout(Some(Duration::from_secs(CONFIG.database_idle_timeout())))
+            .connection_timeout(Duration::from_secs(CONFIG.database_timeout()))
            .connection_customizer(Box::new(DbConnOptions {
                init_stmts: conn_type.get_init_stmts(),
            }))
@@ -233,7 +233,7 @@ impl DbPool {

    // Get a connection from the pool
    pub async fn get(&self) -> Result<DbConn, Error> {
-        let duration = Duration::from_secs(u64::from(CONFIG.database_timeout()));
+        let duration = Duration::from_secs(CONFIG.database_timeout());
        let permit = match timeout(duration, Arc::clone(&self.semaphore).acquire_owned()).await {
            Ok(p) => p.expect("Semaphore should be open"),
            Err(_) => {
@@ -61,7 +61,7 @@ impl Attachment {
            let token = encode_jwt(&generate_file_download_claims(self.cipher_uuid.clone(), self.id.clone()));
            Ok(format!("{host}/attachments/{}/{}?token={token}", self.cipher_uuid, self.id))
        } else {
-            Ok(operator.presign_read(&self.get_file_path(), Duration::from_mins(1)).await?.uri().to_string())
+            Ok(operator.presign_read(&self.get_file_path(), Duration::from_mins(5)).await?.uri().to_string())
        }
    }

@@ -4,7 +4,7 @@ use diesel::prelude::*;
 use serde_json::Value;

 use crate::{
-    api::{ApiResult, EmptyResult},
+    api::EmptyResult,
    crypto::ct_eq,
    db::{DbConn, schema::auth_requests},
    error::MapResult,
@@ -166,30 +166,6 @@ impl AuthRequest {
        .await
    }

-    pub async fn delete_all_by_user(user_uuid: &UserId, conn: &DbConn) -> EmptyResult {
-        conn.run(move |conn| {
-            diesel::delete(auth_requests::table.filter(auth_requests::user_uuid.eq(user_uuid)))
-                .execute(conn)
-                .map_res("Error deleting auth requests for user")
-        })
-        .await
-    }
-
-    /// Marks the request as used to log in. Returns false when it already was, so it only works once.
-    pub async fn set_authentication_date(uuid: &AuthRequestId, conn: &DbConn) -> ApiResult<bool> {
-        let now = Utc::now().naive_utc();
-        conn.run(move |conn| {
-            diesel::update(auth_requests::table)
-                .filter(auth_requests::uuid.eq(uuid))
-                .filter(auth_requests::authentication_date.is_null())
-                .set(auth_requests::authentication_date.eq(now))
-                .execute(conn)
-                .map(|updated| updated == 1)
-                .map_res("Error updating auth request")
-        })
-        .await
-    }
-
    pub fn check_access_code(&self, access_code: &str) -> bool {
        ct_eq(&self.access_code, access_code)
    }
@@ -197,7 +173,7 @@ impl AuthRequest {
    pub async fn purge_expired_auth_requests(conn: &DbConn) {
        // delete auth requests older than 15 minutes which is functionally equivalent to upstream:
        // https://github.com/bitwarden/server/blob/f8ee2270409f7a13125cd414c450740af605a175/src/Sql/dbo/Auth/Stored%20Procedures/AuthRequest_DeleteIfExpired.sql
-        let expiry_time = Utc::now().naive_utc() - chrono::TimeDelta::minutes(15);
+        let expiry_time = Utc::now().naive_utc() - chrono::TimeDelta::try_minutes(15).unwrap();
        for auth_request in Self::find_created_before(&expiry_time, conn).await {
            auth_request.delete(conn).await.ok();
        }
@@ -63,6 +63,22 @@ pub struct Cipher {
    pub reprompt: Option<i32>,
 }

+/// Whether `data` is a sealed cipher blob rather than the legacy per-type JSON.
+///
+/// Ciphers of v2 accounts are encrypted as a single blob that carries everything, name included,
+/// and is opaque to us. It is recognized the same way upstream does, by a top-level
+/// `format_version` key that the legacy JSON never has.
+///
+/// Ref: <https://github.com/bitwarden/server/blob/main/src/Core/Vault/Entities/Cipher.cs>
+pub fn is_data_blob_encrypted(data: &str) -> bool {
+    serde_json::from_str::<Value>(data).is_ok_and(|d| is_blob_value(&d))
+}
+
+/// [`is_data_blob_encrypted`] for `data` that was already parsed.
+fn is_blob_value(data: &Value) -> bool {
+    data.get("format_version").is_some()
+}
+
 pub enum RepromptType {
    None = 0,
    Password = 1,
@@ -110,6 +126,11 @@ impl Cipher {
                    .insert(format!("Ciphers[{index}].Notes"), serde_json::to_value([&max_note_size_msg]).unwrap());
            }

+            if let Err(e) = cipher.validate_content(cipher.is_blob()) {
+                validation_errors
+                    .insert(format!("Ciphers[{index}].{}", e.field), serde_json::to_value([e.message]).unwrap());
+            }
+
            // Validate the password history if it contains `null` values and if so, return a warning
            if let Some(Value::Array(password_history)) = &cipher.password_history {
                for pwh in password_history {
@@ -154,6 +175,11 @@ impl Cipher {
    ) -> Result<Value, crate::Error> {
        use crate::util::{format_date, validate_and_format_date};

+        // Parsed once here, since `data` can be large and this runs for every cipher in a sync.
+        // `LowerCase` only lowercases the first letter of each key, so it keeps `format_version`.
+        let type_data = serde_json::from_str::<LowerCase<Value>>(&self.data).map(|d| d.data);
+        let is_blob_encrypted = type_data.as_ref().is_ok_and(is_blob_value);
+
        let mut attachments_json: Value = Value::Null;
        if let Some(cipher_sync_data) = cipher_sync_data {
            if let Some(attachments) = cipher_sync_data.cipher_attachments.get(&self.uuid)
@@ -189,124 +215,62 @@ impl Cipher {
            (false, false, false)
        };

-        let fields_json: Vec<_> = self
-            .fields
-            .as_ref()
-            .and_then(|s| {
-                serde_json::from_str::<Vec<LowerCase<Value>>>(s)
-                    .inspect_err(|e| warn!("Error parsing fields {e:?} for {}", self.uuid))
-                    .ok()
-            })
-            .map(|d| {
-                d.into_iter()
-                    .map(|mut f| {
-                        // Check if the `type` key is a number, strings break some clients
-                        // The fallback type is the hidden type `1`. this should prevent accidental data disclosure
-                        // If not try to convert the string value to a number and fallback to `1`
-                        // If it is both not a number and not a string, fallback to `1`
-                        match f.data.get("type") {
-                            Some(t) if t.is_number() => {}
-                            Some(t) if t.is_string() => {
-                                let type_num = &t.as_str().unwrap_or("1").parse::<u8>().unwrap_or(1);
-                                f.data["type"] = json!(type_num);
+        // Like upstream, a cipher that was stored without fields or password history reports them as
+        // null rather than as an empty list; clients keep the two apart.
+        let fields_json: Option<Vec<_>> = self.fields.as_ref().map(|s| {
+            serde_json::from_str::<Vec<LowerCase<Value>>>(s)
+                .inspect_err(|e| warn!("Error parsing fields {e:?} for {}", self.uuid))
+                .ok()
+                .map(|d| {
+                    d.into_iter()
+                        .map(|mut f| {
+                            // Check if the `type` key is a number, strings break some clients
+                            // The fallback type is the hidden type `1`. this should prevent accidental data disclosure
+                            // If not try to convert the string value to a number and fallback to `1`
+                            // If it is both not a number and not a string, fallback to `1`
+                            match f.data.get("type") {
+                                Some(t) if t.is_number() => {}
+                                Some(t) if t.is_string() => {
+                                    let type_num = &t.as_str().unwrap_or("1").parse::<u8>().unwrap_or(1);
+                                    f.data["type"] = json!(type_num);
+                                }
+                                _ => {
+                                    f.data["type"] = json!(1);
+                                }
                            }
-                            _ => {
-                                f.data["type"] = json!(1);
-                            }
-                        }
-                        f.data
-                    })
-                    .collect()
-            })
-            .unwrap_or_default();
+                            f.data
+                        })
+                        .collect()
+                })
+                .unwrap_or_default()
+        });

-        let password_history_json: Vec<_> = self
-            .password_history
-            .as_ref()
-            .and_then(|s| {
-                serde_json::from_str::<Vec<LowerCase<Value>>>(s)
-                    .inspect_err(|e| warn!("Error parsing password history {e:?} for {}", self.uuid))
-                    .ok()
-            })
-            .map(|d| {
-                // Check every password history item if they are valid and return it.
-                // If a password field has the type `null` skip it, it breaks newer Bitwarden clients
-                // A second check is done to verify the lastUsedDate exists and is a valid DateTime string, if not the epoch start time will be used
-                d.into_iter()
-                    .filter_map(|d| match d.data.get("password") {
-                        Some(p) if p.is_string() => Some(d.data),
-                        _ => None,
-                    })
-                    .map(|mut d| {
-                        let lud = if let Some(l) = d.get("lastUsedDate").and_then(|l| l.as_str()) {
-                            validate_and_format_date(l)
-                        } else {
-                            "1970-01-01T00:00:00.000000Z".to_owned()
-                        };
-                        d["lastUsedDate"] = json!(lud);
-                        d
-                    })
-                    .collect()
-            })
-            .unwrap_or_default();
-
-        // Get the type_data or a default to an empty json object '{}'.
-        // If not passing an empty object, mobile clients will crash.
-        let mut type_data_json = serde_json::from_str::<LowerCase<Value>>(&self.data)
-            .inspect_err(|_| warn!("Error parsing data field for {}", self.uuid))
-            .map_or_else(|_| Value::Object(serde_json::Map::new()), |d| d.data);
-
-        // NOTE: This was marked as *Backwards Compatibility Code*, but as of January 2021 this is still being used by upstream
-        // Set the first element of the Uris array as Uri, this is needed several (mobile) clients.
-        if self.atype == 1 {
-            // Upstream always has an `uri` key/value
-            type_data_json["uri"] = Value::Null;
-            if let Some(uris) = type_data_json["uris"].as_array_mut()
-                && !uris.is_empty()
-            {
-                // Fix uri match values first, they are only allowed to be a number or null
-                // If it is a string, convert it to an int or null if that fails
-                for uri in &mut *uris {
-                    if uri["match"].is_string() {
-                        let match_value = match uri["match"].as_str().unwrap_or_default().parse::<u8>() {
-                            Ok(n) => json!(n),
-                            _ => Value::Null,
-                        };
-                        uri["match"] = match_value;
-                    }
-                }
-                type_data_json["uri"] = uris[0]["uri"].clone();
-            }
-
-            // Check if `passwordRevisionDate` is a valid date, else convert it
-            if let Some(pw_revision) = type_data_json["passwordRevisionDate"].as_str() {
-                type_data_json["passwordRevisionDate"] = json!(validate_and_format_date(pw_revision));
-            }
-        }
-
-        // Fix secure note issues when data is invalid
-        // This breaks at least the native mobile clients
-        if self.atype == 2 {
-            match type_data_json {
-                Value::Object(ref t) if t.get("type").is_some_and(Value::is_number) => {}
-                _ => {
-                    type_data_json = json!({"type": 0});
-                }
-            }
-        }
-
-        // Fix invalid SSH Entries
-        // This breaks at least the native mobile client if invalid
-        // The only way to fix this is by setting type_data_json to `null`
-        // Opening this ssh-key in the mobile client will probably crash the client, but you can edit, save and afterwards delete it
-        if self.atype == 5
-            && (type_data_json["keyFingerprint"].as_str().is_none_or(str::is_empty)
-                || type_data_json["privateKey"].as_str().is_none_or(str::is_empty)
-                || type_data_json["publicKey"].as_str().is_none_or(str::is_empty))
-        {
-            warn!("Error parsing ssh-key, mandatory fields are invalid for {}", self.uuid);
-            type_data_json = Value::Null;
-        }
+        let password_history_json: Option<Vec<_>> = self.password_history.as_ref().map(|s| {
+            serde_json::from_str::<Vec<LowerCase<Value>>>(s)
+                .inspect_err(|e| warn!("Error parsing password history {e:?} for {}", self.uuid))
+                .ok()
+                .map(|d| {
+                    // Check every password history item if they are valid and return it.
+                    // If a password field has the type `null` skip it, it breaks newer Bitwarden clients
+                    // A second check is done to verify the lastUsedDate exists and is a valid DateTime string, if not the epoch start time will be used
+                    d.into_iter()
+                        .filter_map(|d| match d.data.get("password") {
+                            Some(p) if p.is_string() => Some(d.data),
+                            _ => None,
+                        })
+                        .map(|mut d| {
+                            let lud = if let Some(l) = d.get("lastUsedDate").and_then(|l| l.as_str()) {
+                                validate_and_format_date(l)
+                            } else {
+                                "1970-01-01T00:00:00.000000Z".to_owned()
+                            };
+                            d["lastUsedDate"] = json!(lud);
+                            d
+                        })
+                        .collect()
+                })
+                .unwrap_or_default()
+        });

        let collection_ids = if let Some(cipher_sync_data) = cipher_sync_data {
            if let Some(cipher_collections) = cipher_sync_data.cipher_collections.get(&self.uuid) {
@@ -403,10 +367,83 @@ impl Cipher {
            _ => err!(format!("Cipher {} has an invalid type {}", self.uuid, self.atype)),
        };

-        json_object[key] = type_data_json;
+        if is_blob_encrypted {
+            // The blob holds all of the content, so it is sent back as-is and the structured fields
+            // stay null, as upstream does. Only the name needs clearing, the others are never stored.
+            json_object["data"] = json!(self.data);
+            json_object["name"] = Value::Null;
+        } else {
+            json_object[key] = self.legacy_type_data_json(type_data);
+        }
        Ok(json_object)
    }

+    /// The per-type data (`login`, `card`, …) of a legacy cipher, from `type_data` as parsed from
+    /// `self.data`, with fixups for values that are known to break clients.
+    fn legacy_type_data_json(&self, type_data: Result<Value, serde_json::Error>) -> Value {
+        use crate::util::validate_and_format_date;
+
+        // Get the type_data or a default to an empty json object '{}'.
+        // If not passing an empty object, mobile clients will crash.
+        let mut type_data_json = type_data
+            .inspect_err(|_| warn!("Error parsing data field for {}", self.uuid))
+            .unwrap_or_else(|_| Value::Object(serde_json::Map::new()));
+
+        // NOTE: This was marked as *Backwards Compatibility Code*, but as of January 2021 this is still being used by upstream
+        // Set the first element of the Uris array as Uri, this is needed several (mobile) clients.
+        if self.atype == 1 {
+            // Upstream always has an `uri` key/value
+            type_data_json["uri"] = Value::Null;
+            if let Some(uris) = type_data_json["uris"].as_array_mut()
+                && !uris.is_empty()
+            {
+                // Fix uri match values first, they are only allowed to be a number or null
+                // If it is a string, convert it to an int or null if that fails
+                for uri in &mut *uris {
+                    if uri["match"].is_string() {
+                        let match_value = match uri["match"].as_str().unwrap_or_default().parse::<u8>() {
+                            Ok(n) => json!(n),
+                            _ => Value::Null,
+                        };
+                        uri["match"] = match_value;
+                    }
+                }
+                type_data_json["uri"] = uris[0]["uri"].clone();
+            }
+
+            // Check if `passwordRevisionDate` is a valid date, else convert it
+            if let Some(pw_revision) = type_data_json["passwordRevisionDate"].as_str() {
+                type_data_json["passwordRevisionDate"] = json!(validate_and_format_date(pw_revision));
+            }
+        }
+
+        // Fix secure note issues when data is invalid
+        // This breaks at least the native mobile clients
+        if self.atype == 2 {
+            match type_data_json {
+                Value::Object(ref t) if t.get("type").is_some_and(Value::is_number) => {}
+                _ => {
+                    type_data_json = json!({"type": 0});
+                }
+            }
+        }
+
+        // Fix invalid SSH Entries
+        // This breaks at least the native mobile client if invalid
+        // The only way to fix this is by setting type_data_json to `null`
+        // Opening this ssh-key in the mobile client will probably crash the client, but you can edit, save and afterwards delete it
+        if self.atype == 5
+            && (type_data_json["keyFingerprint"].as_str().is_none_or(str::is_empty)
+                || type_data_json["privateKey"].as_str().is_none_or(str::is_empty)
+                || type_data_json["publicKey"].as_str().is_none_or(str::is_empty))
+        {
+            warn!("Error parsing ssh-key, mandatory fields are invalid for {}", self.uuid);
+            type_data_json = Value::Null;
+        }
+
+        type_data_json
+    }
+
    pub async fn update_users_revision(&self, conn: &DbConn) -> Vec<UserId> {
        let mut user_uuids = Vec::new();
        match self.user_uuid {
@@ -494,22 +531,12 @@ impl Cipher {

    /// Purge all ciphers that are old enough to be auto-deleted.
    pub async fn purge_trash(conn: &DbConn) {
-        let Some(auto_delete_days) = CONFIG.trash_auto_delete_days().filter(|&d| d != 0) else {
-            debug!("trash_auto_delete_days is not configured or set to 0, skipping");
-            return;
-        };
-
-        let Some(days) = TimeDelta::try_days(i64::from(auto_delete_days)) else {
-            error!("Unable to calculate auto delete days!");
-            return;
-        };
-        let now = Utc::now().naive_utc();
-        let Some(dt) = now.checked_sub_signed(days) else {
-            error!("Unable to calculate trash purge date!");
-            return;
-        };
-        for cipher in Self::find_deleted_before(&dt, conn).await {
-            cipher.delete(conn).await.ok();
+        if let Some(auto_delete_days) = CONFIG.trash_auto_delete_days() {
+            let now = Utc::now().naive_utc();
+            let dt = now - TimeDelta::try_days(auto_delete_days).unwrap();
+            for cipher in Self::find_deleted_before(&dt, conn).await {
+                cipher.delete(conn).await.ok();
+            }
        }
    }

@@ -721,7 +748,6 @@ impl Cipher {
                // Only allow group access via a confirmed membership, since
                // groups_users rows are kept when a membership is revoked.
                .filter(users_organizations::status.eq(MembershipStatus::Confirmed as i32))
-                .filter(ciphers::organization_uuid.eq(users_organizations::org_uuid.nullable()))
                .select((collections_groups::read_only, collections_groups::hide_passwords, collections_groups::manage))
                .load::<(bool, bool, bool)>(conn)
                .expect("Error getting group access restrictions")
@@ -1014,7 +1040,6 @@ impl Cipher {
                            .eq(ciphers_collections::collection_uuid)
                            .and(collections_groups::groups_uuid.eq(groups::uuid))),
                    )
-                    .filter(users_organizations::status.eq(MembershipStatus::Confirmed as i32))
                    .filter(
                        users_organizations::access_all
                            .eq(true) // User has access all
@@ -1046,7 +1071,6 @@ impl Cipher {
                            .eq(ciphers_collections::collection_uuid)
                            .and(users_collections::user_uuid.eq(user_uuid.clone()))),
                    )
-                    .filter(users_organizations::status.eq(MembershipStatus::Confirmed as i32))
                    .filter(
                        users_organizations::access_all
                            .eq(true) // User has access all
@@ -1091,7 +1115,6 @@ impl Cipher {
                            .eq(ciphers_collections::collection_uuid)
                            .and(collections_groups::groups_uuid.eq(groups::uuid))),
                    )
-                    .filter(users_organizations::status.eq(MembershipStatus::Confirmed as i32))
                    .filter(
                        users_organizations::access_all
                            .eq(true) // User has access all
@@ -1124,7 +1147,6 @@ impl Cipher {
                            .eq(ciphers_collections::collection_uuid)
                            .and(users_collections::user_uuid.eq(user_uuid.clone()))),
                    )
-                    .filter(users_organizations::status.eq(MembershipStatus::Confirmed as i32))
                    .filter(
                        users_organizations::access_all
                            .eq(true) // User has access all
@@ -1176,7 +1198,6 @@ impl Cipher {
                .or_filter(users_organizations::atype.le(MembershipType::Admin as i32)) // User is admin or owner
                .or_filter(groups::access_all.eq(true)) //Access via group
                .or_filter(collections_groups::collections_uuid.is_not_null()) //Access via group
-                .filter(users_organizations::status.eq(MembershipStatus::Confirmed as i32))
                .select(ciphers_collections::all_columns)
                .distinct()
                .load::<(CipherId, CollectionId)>(conn)
@@ -367,7 +367,6 @@ impl Collection {
                            .and(collections_groups::collections_uuid.eq(collections::uuid))),
                    )
                    .filter(collections::uuid.eq(uuid))
-                    .filter(users_organizations::status.eq(MembershipStatus::Confirmed as i32))
                    .filter(
                        users_collections::collection_uuid
                            .eq(uuid)
@@ -407,7 +406,6 @@ impl Collection {
                            .and(users_organizations::user_uuid.eq(user_uuid))),
                    )
                    .filter(collections::uuid.eq(uuid))
-                    .filter(users_organizations::status.eq(MembershipStatus::Confirmed as i32))
                    .filter(users_collections::collection_uuid.eq(uuid).or(
                        // Directly accessed collection
                        users_organizations::access_all.eq(true).or(
@@ -432,8 +430,7 @@ impl Collection {
                    .inner_join(
                        users_organizations::table.on(collections::org_uuid
                            .eq(users_organizations::org_uuid)
-                            .and(users_organizations::user_uuid.eq(user_uuid.clone()))
-                            .and(users_organizations::status.eq(MembershipStatus::Confirmed as i32))),
+                            .and(users_organizations::user_uuid.eq(user_uuid.clone()))),
                    )
                    .left_join(
                        users_collections::table.on(users_collections::collection_uuid
@@ -479,8 +476,7 @@ impl Collection {
                    .inner_join(
                        users_organizations::table.on(collections::org_uuid
                            .eq(users_organizations::org_uuid)
-                            .and(users_organizations::user_uuid.eq(user_uuid.clone()))
-                            .and(users_organizations::status.eq(MembershipStatus::Confirmed as i32))),
+                            .and(users_organizations::user_uuid.eq(user_uuid.clone()))),
                    )
                    .left_join(
                        users_collections::table.on(users_collections::collection_uuid
@@ -531,7 +527,6 @@ impl Collection {
                        .and(collections_groups::collections_uuid.eq(collections::uuid))),
                )
                .filter(collections::uuid.eq(&self.uuid))
-                .filter(users_organizations::status.eq(MembershipStatus::Confirmed as i32))
                .filter(
                    users_collections::collection_uuid
                        .eq(&self.uuid)
@@ -591,7 +586,6 @@ impl Collection {
                        .and(collections_groups::collections_uuid.eq(collections::uuid))),
                )
                .filter(collections::uuid.eq(&uuid))
-                .filter(users_organizations::status.eq(MembershipStatus::Confirmed as i32))
                .filter(
                    users_collections::collection_uuid
                        .eq(&uuid)
@@ -656,7 +650,6 @@ impl Collection {
                        .and(collections_groups::collections_uuid.eq(collections::uuid))),
                )
                .filter(collections::org_uuid.eq(&org_uuid))
-                .filter(users_organizations::status.eq(MembershipStatus::Confirmed as i32))
                .filter(
                    // Manage permission on a collection assigned directly or via a group.
                    users_collections::manage.eq(true).or(collections_groups::manage.eq(true)),
@@ -826,18 +819,10 @@ impl CollectionUser {
        .await
    }

-    // Only returns the collections of organizations the user is a confirmed member of
    pub async fn find_by_user(user_uuid: &UserId, conn: &DbConn) -> Vec<Self> {
        conn.run(move |conn| {
            users_collections::table
-                .inner_join(collections::table.on(collections::uuid.eq(users_collections::collection_uuid)))
-                .inner_join(
-                    users_organizations::table.on(users_organizations::org_uuid
-                        .eq(collections::org_uuid)
-                        .and(users_organizations::user_uuid.eq(users_collections::user_uuid))),
-                )
                .filter(users_collections::user_uuid.eq(user_uuid))
-                .filter(users_organizations::status.eq(MembershipStatus::Confirmed as i32))
                .select(users_collections::all_columns)
                .load::<Self>(conn)
                .expect("Error loading users_collections")
@@ -1,4 +1,4 @@
-use chrono::{NaiveDateTime, TimeDelta, Utc};
+use chrono::{NaiveDateTime, Utc};
 use derive_more::{AsRef, Deref, Display, From};
 use diesel::prelude::*;
 use serde_json::Value;
@@ -112,26 +112,8 @@ impl EmergencyAccess {
            "object": "emergencyAccessGranteeDetails",
        }))
    }
-
-    pub fn deadline_at(&self) -> Result<NaiveDateTime, crate::Error> {
-        if !(EMERGENCY_ACCESS_TIMEOUT_RANGE).contains(&self.wait_time_days) {
-            err!("Emergency access wait time is out-of-bounds!")
-        }
-
-        let initiated_at = self.recovery_initiated_at.map_res("Emergency access initiation date missing!")?;
-
-        TimeDelta::try_days(i64::from(self.wait_time_days))
-            .and_then(|w| initiated_at.checked_add_signed(w))
-            .map_res("Emergency access deadline is invalid")
-    }
-
-    pub fn is_recovery_allowed(&self, now: &NaiveDateTime) -> Result<bool, crate::Error> {
-        Ok(self.deadline_at()?.le(now))
-    }
 }

-pub const EMERGENCY_ACCESS_TIMEOUT_RANGE: std::ops::RangeInclusive<i32> = 1..=90;
-
 #[derive(Copy, Clone)]
 pub enum EmergencyAccessType {
    View = 0,
@@ -187,42 +169,27 @@ impl EmergencyAccess {

    pub async fn update_access_status_and_save(
        &mut self,
-        from_status: i32,
-        to_status: i32,
+        status: i32,
        date: &NaiveDateTime,
        conn: &DbConn,
    ) -> EmptyResult {
-        let uuid = self.uuid.clone();
-        let updated_at = *date;
-        let res = conn
-            .run(move |conn| {
-                crate::util::retry(
-                    || {
-                        diesel::update(
-                            emergency_access::table
-                                .filter(emergency_access::uuid.eq(&uuid))
-                                .filter(emergency_access::status.eq(from_status)),
-                        )
-                        .set((emergency_access::status.eq(to_status), emergency_access::updated_at.eq(updated_at)))
-                        .execute(conn)
-                    },
-                    10,
-                )
-            })
-            .await;
-
-        match res {
-            Ok(1) => {} // One record updated, which is valid
-            Ok(_) => err!("Emergency access status was changed already"),
-            Err(e) => err!("Error updating emergency access status", format!("{e}")),
-        }
-
-        self.status = to_status;
-        self.updated_at = updated_at;
-
        // Update the grantee so that it will refresh it's status.
        User::update_uuid_revision(self.grantee_uuid.as_ref().expect("Error getting grantee"), conn).await;
-        Ok(())
+        self.status = status;
+        date.clone_into(&mut self.updated_at);
+
+        conn.run(move |conn| {
+            crate::util::retry(
+                || {
+                    diesel::update(emergency_access::table.filter(emergency_access::uuid.eq(&self.uuid)))
+                        .set((emergency_access::status.eq(status), emergency_access::updated_at.eq(date)))
+                        .execute(conn)
+                },
+                10,
+            )
+            .map_res("Error updating emergency access status")
+        })
+        .await
    }

    pub async fn update_last_notification_date_and_save(&mut self, date: &NaiveDateTime, conn: &DbConn) -> EmptyResult {
@@ -347,23 +347,17 @@ impl Event {
    }

    pub async fn clean_events(conn: &DbConn) -> EmptyResult {
-        let Some(days_to_retain) = CONFIG.events_days_retain().filter(|&d| d != 0) else {
-            return Ok(());
-        };
-
-        let Some(days_to_retain) = TimeDelta::try_days(i64::from(days_to_retain)) else {
-            err!("Unable to calculate the event retention date, check 'EVENTS_DAYS_RETAIN'")
-        };
-
-        let Some(dt) = Utc::now().naive_utc().checked_sub_signed(days_to_retain) else {
-            err!("Unable to calculate the event retention date, check 'EVENTS_DAYS_RETAIN'")
-        };
-        conn.run(move |conn| {
-            diesel::delete(event::table.filter(event::event_date.lt(dt)))
-                .execute(conn)
-                .map_res("Error cleaning old events")
-        })
-        .await
+        if let Some(days_to_retain) = CONFIG.events_days_retain() {
+            let dt = Utc::now().naive_utc() - TimeDelta::try_days(days_to_retain).unwrap();
+            conn.run(move |conn| {
+                diesel::delete(event::table.filter(event::event_date.lt(dt)))
+                    .execute(conn)
+                    .map_res("Error cleaning old events")
+            })
+            .await
+        } else {
+            Ok(())
+        }
    }
 }

@@ -104,6 +104,7 @@ impl Group {
            "id": self.uuid,
            "organizationId": self.organizations_uuid,
            "name": self.name,
+            "accessAll": self.access_all,
            "externalId": self.external_id,
            "collections": collections_groups,
            "object": "groupDetails"
@@ -248,7 +249,6 @@ impl Group {
                        .and(groups::organizations_uuid.eq(users_organizations::org_uuid))),
                )
                .filter(users_organizations::user_uuid.eq(user_uuid))
-                .filter(users_organizations::status.eq(MembershipStatus::Confirmed as i32))
                .filter(groups::access_all.eq(true))
                .select(groups::organizations_uuid)
                .distinct()
@@ -387,7 +387,6 @@ impl CollectionGroup {
                        .and(collections::org_uuid.eq(groups::organizations_uuid))),
                )
                .filter(users_organizations::user_uuid.eq(user_uuid))
-                .filter(users_organizations::status.eq(MembershipStatus::Confirmed as i32))
                .select(collections_groups::all_columns)
                .load::<Self>(conn)
                .expect("Error loading user collection groups")
@@ -573,6 +572,26 @@ impl GroupUser {
        }
    }

+    pub async fn delete_by_group_and_member(
+        group_uuid: &GroupId,
+        member_uuid: &MembershipId,
+        conn: &DbConn,
+    ) -> EmptyResult {
+        match Membership::find_by_uuid(member_uuid, conn).await {
+            Some(member) => User::update_uuid_revision(&member.user_uuid, conn).await,
+            None => warn!("Member could not be found!"),
+        }
+
+        conn.run(move |conn| {
+            diesel::delete(groups_users::table)
+                .filter(groups_users::groups_uuid.eq(group_uuid))
+                .filter(groups_users::users_organizations_uuid.eq(member_uuid))
+                .execute(conn)
+                .map_res("Error deleting group users")
+        })
+        .await
+    }
+
    pub async fn delete_all_by_group(group_uuid: &GroupId, org_uuid: &OrganizationId, conn: &DbConn) -> EmptyResult {
        let group_users = GroupUser::find_by_group(group_uuid, org_uuid, conn).await;
        for group_user in group_users {
@@ -17,16 +17,15 @@ mod two_factor;
 mod two_factor_duo_context;
 mod two_factor_incomplete;
 mod user;
+mod user_signature_key_pair;

 pub use self::archive::Archive;
 pub use self::attachment::{Attachment, AttachmentId};
 pub use self::auth_request::{AuthRequest, AuthRequestId};
-pub use self::cipher::{Cipher, CipherId, RepromptType};
+pub use self::cipher::{Cipher, CipherId, RepromptType, is_data_blob_encrypted};
 pub use self::collection::{Collection, CollectionCipher, CollectionId, CollectionUser};
 pub use self::device::{Device, DeviceId, DeviceType, DeviceWithAuthRequest, PushId};
-pub use self::emergency_access::{
-    EMERGENCY_ACCESS_TIMEOUT_RANGE, EmergencyAccess, EmergencyAccessId, EmergencyAccessStatus, EmergencyAccessType,
-};
+pub use self::emergency_access::{EmergencyAccess, EmergencyAccessId, EmergencyAccessStatus, EmergencyAccessType};
 pub use self::event::{Event, EventType};
 pub use self::favorite::Favorite;
 pub use self::folder::{Folder, FolderCipher, FolderId};
@@ -41,4 +40,5 @@ pub use self::sso_auth::{OIDCAuthenticatedUser, OIDCCodeResponseError, SsoAuth};
 pub use self::two_factor::{TwoFactor, TwoFactorType};
 pub use self::two_factor_duo_context::TwoFactorDuoContext;
 pub use self::two_factor_incomplete::TwoFactorIncomplete;
-pub use self::user::{Invitation, KeyId, SsoUser, User, UserId, UserKdfType, UserStampException};
+pub use self::user::{Invitation, KeyId, SsoUser, User, UserId, UserKdfType};
+pub use self::user_signature_key_pair::{SignatureAlgorithm, UserSignatureKeyPair};
@@ -1,4 +1,3 @@
-use chrono::{NaiveDateTime, Utc};
 use derive_more::{AsRef, From};
 use diesel::prelude::*;
 use serde::Deserialize;
@@ -12,7 +11,6 @@ use crate::{
        schema::{org_policies, users_organizations},
    },
    error::MapResult,
-    util::format_date,
 };

 use super::{Membership, MembershipId, MembershipStatus, MembershipType, OrganizationId, TwoFactor, UserId};
@@ -26,7 +24,6 @@ pub struct OrgPolicy {
    pub atype: i32,
    pub enabled: bool,
    pub data: String,
-    pub revision_date: NaiveDateTime,
 }

 // https://github.com/bitwarden/server/blob/9ebe16587175b1c0e9208f84397bb75d0d595510/src/Core/AdminConsole/Enums/PolicyType.cs
@@ -49,7 +46,7 @@ pub enum OrgPolicyType {
    RemoveUnlockWithPin = 14,
    RestrictedItemTypes = 15,
    UriMatchDefaults = 16,
-    AutotypeDefaultSetting = 17,
+    // AutotypeDefaultSetting = 17, // Not supported yet
    // AutoConfirm = 18, // Not supported (not implemented yet)
    // BlockClaimedDomainAccountCreation = 19, // Not supported (Not AGPLv3 Licensed)
    OrganizationUserNotification = 20,
@@ -80,7 +77,6 @@ impl OrgPolicy {
            atype: atype as i32,
            enabled,
            data,
-            revision_date: Utc::now().naive_utc(),
        }
    }

@@ -96,7 +92,7 @@ impl OrgPolicy {
            "type": self.atype,
            "data": data_json,
            "enabled": self.enabled,
-            "revisionDate": format_date(&self.revision_date),
+            "revisionDate": null,
            "object": "policy",
        });

@@ -114,13 +110,11 @@ impl OrgPolicy {

 /// Database methods
 impl OrgPolicy {
-    pub async fn save(&mut self, conn: &DbConn) -> EmptyResult {
-        self.revision_date = Utc::now().naive_utc();
-
+    pub async fn save(&self, conn: &DbConn) -> EmptyResult {
        db_run! { conn:
            sqlite, mysql {
                match diesel::replace_into(org_policies::table)
-                    .values(&*self)
+                    .values(self)
                    .execute(conn)
                {
                    Ok(_) => Ok(()),
@@ -128,7 +122,7 @@ impl OrgPolicy {
                    Err(diesel::result::Error::DatabaseError(diesel::result::DatabaseErrorKind::ForeignKeyViolation, _)) => {
                        diesel::update(org_policies::table)
                            .filter(org_policies::uuid.eq(&self.uuid))
-                            .set(&*self)
+                            .set(self)
                            .execute(conn)
                            .map_res("Error saving org_policy")
                    }
@@ -148,10 +142,10 @@ impl OrgPolicy {
                .map_res("Error deleting org_policy for insert")?;

                diesel::insert_into(org_policies::table)
-                    .values(&*self)
+                    .values(self)
                    .on_conflict(org_policies::uuid)
                    .do_update()
-                    .set(&*self)
+                    .set(self)
                    .execute(conn)
                    .map_res("Error saving org_policy")
            }
@@ -1,4 +1,7 @@
-use std::cmp::Ordering;
+use std::{
+    cmp::Ordering,
+    collections::{HashMap, HashSet},
+};

 use chrono::{NaiveDateTime, Utc};
 use derive_more::{AsRef, Deref, Display, From};
@@ -21,8 +24,8 @@ use crate::{
 use macros::UuidFromParam;

 use super::{
-    Cipher, CipherId, Collection, CollectionId, CollectionUser, Group, GroupId, GroupUser, OrgPolicy, OrgPolicyType,
-    TwoFactor, User, UserId,
+    Cipher, CipherId, Collection, CollectionGroup, CollectionId, CollectionUser, Group, GroupId, GroupUser, OrgPolicy,
+    OrgPolicyType, TwoFactor, User, UserId,
 };

 #[derive(Identifiable, Queryable, Insertable, AsChangeset)]
@@ -54,6 +57,10 @@ pub struct Membership {
    pub atype: i32,
    pub reset_password_key: Option<String>,
    pub external_id: Option<String>,
+    /// A copy of the user's v2 upgrade token, kept when a v1 -> v2 upgrade leaves the account
+    /// recovery key (`reset_password_key`) wrapped by the v1 user key. It lets the organization
+    /// unwrap the v2 user key from it. Opaque to us, like `User::v2_upgrade_token`.
+    pub v2_upgrade_token: Option<String>,
 }

 #[derive(Identifiable, Queryable, Insertable, AsChangeset)]
@@ -271,6 +278,7 @@ impl Membership {
            atype: MembershipType::User as i32,
            reset_password_key: None,
            external_id: None,
+            v2_upgrade_token: None,
        }
    }

@@ -342,7 +350,7 @@ impl OrganizationApiKey {
 impl Organization {
    pub async fn save(&self, conn: &DbConn) -> EmptyResult {
        if !crate::util::is_valid_email(&self.billing_email) {
-            err!(format!("BillingEmail {} is not a valid email address", self.billing_email.escape_debug()))
+            err!(format!("BillingEmail {} is not a valid email address", self.billing_email))
        }

        for member in &Membership::find_by_org(&self.uuid, conn).await {
@@ -515,7 +523,8 @@ impl Membership {
            "limitCollectionDeletion": true,
            "limitItemDeletion": false,
            "allowAdminAccessToAllCollectionItems": true,
-            "userIsClaimedByOrganization": false, // Means not managed via the Members UI, like SSO
+            "userIsManagedByOrganization": false, // Means not managed via the Members UI, like SSO
+            "userIsClaimedByOrganization": false, // The new key instead of the obsolete userIsManagedByOrganization

            "permissions": permissions,

@@ -532,13 +541,7 @@ impl Membership {
        })
    }

-    // Used by admins to view other members, so nothing here may depend on this member's status
-    pub async fn to_json_details_for_admin(
-        &self,
-        include_collections: bool,
-        include_groups: bool,
-        conn: &DbConn,
-    ) -> Value {
+    pub async fn to_json_user_details(&self, include_collections: bool, include_groups: bool, conn: &DbConn) -> Value {
        let user = User::find_by_uuid(&self.user_uuid, conn).await.unwrap();

        // Because BitWarden want the status to be -1 for revoked users we need to catch that here.
@@ -561,23 +564,52 @@ impl Membership {

        // Check if a user is in a group which has access to all collections
        // If that is the case, we should not return individual collections!
-        // This is used by admins to view other members, so it must not depend on the membership status
        let full_access_group =
-            CONFIG.org_groups_enabled() && GroupUser::has_full_access_by_member(&self.org_uuid, &self.uuid, conn).await;
+            CONFIG.org_groups_enabled() && Group::is_in_full_access_group(&self.user_uuid, &self.org_uuid, conn).await;

        // If collections are to be included, only include them if the user does not have full access via a group or defined to the user it self
-        // Only the collections assigned directly are returned, the ones assigned via a group are returned via a special group endpoint
        let collections: Vec<Value> = if include_collections && !(full_access_group || self.access_all) {
-            CollectionUser::find_by_organization_and_user_uuid(&self.org_uuid, &self.user_uuid, conn)
+            // Get all collections for the user here already to prevent more queries
+            let cu: HashMap<CollectionId, CollectionUser> =
+                CollectionUser::find_by_organization_and_user_uuid(&self.org_uuid, &self.user_uuid, conn)
+                    .await
+                    .into_iter()
+                    .map(|cu| (cu.collection_uuid.clone(), cu))
+                    .collect();
+
+            // Get all collection groups for this user to prevent there inclusion
+            let cg: HashSet<CollectionId> = CollectionGroup::find_by_user(&self.user_uuid, conn)
                .await
                .into_iter()
-                .map(|cu| {
-                    json!({
-                        "id": cu.collection_uuid,
-                        "readOnly": cu.read_only,
-                        "hidePasswords": cu.hide_passwords,
-                        "manage": cu.manage || (self.atype == MembershipType::Manager && !cu.read_only && !cu.hide_passwords),
-                    })
+                .map(|cg| cg.collections_uuid)
+                .collect();
+
+            Collection::find_by_organization_and_user_uuid(&self.org_uuid, &self.user_uuid, conn)
+                .await
+                .into_iter()
+                .filter_map(|c| {
+                    let (read_only, hide_passwords, manage) = if self.has_full_access() {
+                        (false, false, self.atype >= MembershipType::Manager)
+                    } else if let Some(cu) = cu.get(&c.uuid) {
+                        (
+                            cu.read_only,
+                            cu.hide_passwords,
+                            cu.manage || (self.atype == MembershipType::Manager && !cu.read_only && !cu.hide_passwords),
+                        )
+                    // If previous checks failed it might be that this user has access via a group, but we should not return those elements here
+                    // Those are returned via a special group endpoint
+                    } else if cg.contains(&c.uuid) {
+                        return None;
+                    } else {
+                        (true, true, false)
+                    };
+
+                    Some(json!({
+                        "id": c.uuid,
+                        "readOnly": read_only,
+                        "hidePasswords": hide_passwords,
+                        "manage": manage,
+                    }))
                })
                .collect()
        } else {
@@ -625,6 +657,7 @@ impl Membership {

            "status": status,
            "type": membership_type,
+            "accessAll": self.access_all,
            "twoFactorEnabled": twofactor_enabled,
            "resetPasswordEnrolled": self.reset_password_key.is_some(),
            "hasMasterPassword": !user.password_hash.is_empty(),
@@ -632,6 +665,7 @@ impl Membership {
            "permissions": permissions,

            "ssoBound": false, // Not supported
+            "managedByOrganization": false, // This key is obsolete replaced by claimedByOrganization
            "claimedByOrganization": false, // Means not managed via the Members UI, like SSO
            "usesKeyConnector": false, // Not supported
            "accessSecretsManager": false, // Not supported (Not AGPLv3 Licensed)
@@ -682,6 +716,7 @@ impl Membership {

            "status": status,
            "type": self.atype,
+            "accessAll": self.access_all,
            "collections": coll_uuids,

            "object": "organizationUserDetails",
@@ -1002,6 +1037,17 @@ impl Membership {
        .await
    }

+    pub async fn get_orgs_by_user(user_uuid: &UserId, conn: &DbConn) -> Vec<OrganizationId> {
+        conn.run(move |conn| {
+            users_organizations::table
+                .filter(users_organizations::user_uuid.eq(user_uuid))
+                .select(users_organizations::org_uuid)
+                .load::<OrganizationId>(conn)
+                .unwrap_or_default()
+        })
+        .await
+    }
+
    pub async fn find_by_user_and_policy(user_uuid: &UserId, policy_type: OrgPolicyType, conn: &DbConn) -> Vec<Self> {
        conn.run(move |conn| {
            users_organizations::table
@@ -1024,7 +1070,6 @@ impl Membership {
        conn.run(move |conn| {
            users_organizations::table
                .filter(users_organizations::org_uuid.eq(org_uuid))
-                .filter(users_organizations::status.eq(MembershipStatus::Confirmed as i32))
                .left_join(users_collections::table.on(users_collections::user_uuid.eq(users_organizations::user_uuid)))
                .left_join(
                    ciphers_collections::table.on(ciphers_collections::collection_uuid
@@ -1051,7 +1096,6 @@ impl Membership {
        conn.run(move |conn| {
            users_organizations::table
                .filter(users_organizations::org_uuid.eq(org_uuid))
-                .filter(users_organizations::status.eq(MembershipStatus::Confirmed as i32))
                .inner_join(
                    groups_users::table.on(groups_users::users_organizations_uuid.eq(users_organizations::uuid)),
                )
@@ -1087,7 +1131,6 @@ impl Membership {
                        .and(ciphers::organization_uuid.eq(users_organizations::org_uuid.nullable()))),
                )
                .filter(users_organizations::user_uuid.eq(user_uuid))
-                .filter(users_organizations::status.eq(MembershipStatus::Confirmed as i32))
                .filter(
                    users_organizations::atype.eq_any(vec![MembershipType::Owner as i32, MembershipType::Admin as i32]),
                )
@@ -140,10 +140,6 @@ impl Send {
        None
    }

-    fn access_id(&self) -> String {
-        BASE64URL_NOPAD.encode(Uuid::parse_str(&self.uuid).unwrap_or_default().as_bytes())
-    }
-
    pub fn to_json(&self) -> Value {
        let mut data = serde_json::from_str::<LowerCase<Value>>(&self.data).map(|d| d.data).unwrap_or_default();

@@ -154,7 +150,7 @@ impl Send {

        json!({
            "id": self.uuid,
-            "accessId": self.access_id(),
+            "accessId": BASE64URL_NOPAD.encode(Uuid::parse_str(&self.uuid).unwrap_or_default().as_bytes()),
            "type": self.atype,

            "name": self.name,
@@ -186,7 +182,7 @@ impl Send {
        }

        json!({
-            "id": self.access_id(),
+            "id": self.uuid,
            "type": self.atype,

            "name": self.name,
@@ -260,7 +256,7 @@ impl Send {

    /// Whether the Send is currently within its validity window: not disabled, not past its
    /// expiration date, and not past its deletion date. Does not consider `max_access_count`
-    /// (counted on each access) or the password.
+    /// (consumed at token issuance) or the password.
    pub fn is_accessible(&self) -> bool {
        let now = Utc::now().naive_utc();
        if self.disabled {
@@ -313,6 +309,19 @@ impl Send {
        Ok(())
    }

+    pub async fn find_by_access_id(access_id: &str, conn: &DbConn) -> Option<Self> {
+        let Ok(uuid_vec) = BASE64URL_NOPAD.decode(access_id.as_bytes()) else {
+            return None;
+        };
+
+        let uuid = match Uuid::from_slice(&uuid_vec) {
+            Ok(u) => SendId::from(u.to_string()),
+            Err(_) => return None,
+        };
+
+        Self::find_by_uuid(&uuid, conn).await
+    }
+
    pub async fn find_by_uuid(uuid: &SendId, conn: &DbConn) -> Option<Self> {
        conn.run(move |conn| sends::table.filter(sends::uuid.eq(uuid)).first::<Self>(conn).ok()).await
    }
@@ -352,6 +361,13 @@ impl Send {
        Some(total)
    }

+    pub async fn find_by_org(org_uuid: &OrganizationId, conn: &DbConn) -> Vec<Self> {
+        conn.run(move |conn| {
+            sends::table.filter(sends::organization_uuid.eq(org_uuid)).load::<Self>(conn).expect("Error loading sends")
+        })
+        .await
+    }
+
    pub async fn find_by_past_deletion_date(conn: &DbConn) -> Vec<Self> {
        let now = Utc::now().naive_utc();
        conn.run(move |conn| {
@@ -137,11 +137,11 @@ impl TwoFactor {
        .await
    }

-    pub async fn find_by_user_and_type(user_uuid: &UserId, atype: TwoFactorType, conn: &DbConn) -> Option<Self> {
+    pub async fn find_by_user_and_type(user_uuid: &UserId, atype: i32, conn: &DbConn) -> Option<Self> {
        conn.run(move |conn| {
            twofactor::table
                .filter(twofactor::user_uuid.eq(user_uuid))
-                .filter(twofactor::atype.eq(atype as i32))
+                .filter(twofactor::atype.eq(atype))
                .first::<Self>(conn)
                .ok()
        })
@@ -37,7 +37,7 @@ impl TwoFactorIncomplete {
        ip: &ClientIp,
        conn: &DbConn,
    ) -> EmptyResult {
-        if CONFIG.incomplete_2fa_time_limit() == 0 || !CONFIG.mail_enabled() {
+        if CONFIG.incomplete_2fa_time_limit() <= 0 || !CONFIG.mail_enabled() {
            return Ok(());
        }

@@ -66,7 +66,7 @@ impl TwoFactorIncomplete {
    }

    pub async fn mark_complete(user_uuid: &UserId, device_uuid: &DeviceId, conn: &DbConn) -> EmptyResult {
-        if CONFIG.incomplete_2fa_time_limit() == 0 || !CONFIG.mail_enabled() {
+        if CONFIG.incomplete_2fa_time_limit() <= 0 || !CONFIG.mail_enabled() {
            return Ok(());
        }

@@ -6,6 +6,7 @@ use serde_json::Value;
 use crate::{
    CONFIG,
    api::EmptyResult,
+    auth::DEFAULT_ACCESS_VALIDITY,
    crypto,
    db::{
        DbConn,
@@ -19,8 +20,8 @@ use crate::{
 use macros::UuidFromParam;

 use super::{
-    AuthRequest, Cipher, Device, EmergencyAccess, Favorite, Folder, Membership, MembershipType, TwoFactor,
-    TwoFactorIncomplete,
+    Cipher, Device, EmergencyAccess, Favorite, Folder, Membership, MembershipType, TwoFactor, TwoFactorIncomplete,
+    UserSignatureKeyPair,
 };

 #[derive(Identifiable, Queryable, Insertable, AsChangeset, Selectable)]
@@ -72,6 +73,15 @@ pub struct User {
    pub external_id: Option<String>, // Todo: Needs to be removed in the future, this is not used anymore.

    pub key_id: Option<KeyId>,
+
+    // "v2" account cryptographic state. Either all of these are set (together with a row in
+    // `user_signature_key_pairs`) or none of them are; see `User::is_v2`.
+    pub signed_public_key: Option<String>,
+    pub security_state: Option<String>,
+    pub security_version: Option<i32>,
+    /// JSON `{"wrappedUserKey1": ..., "wrappedUserKey2": ...}`, letting clients that still hold the
+    /// v1 user key obtain the v2 one after another client performed the upgrade. Opaque to us.
+    pub v2_upgrade_token: Option<String>,
 }

 #[derive(Identifiable, Queryable, Insertable)]
@@ -100,13 +110,28 @@ enum UserStatus {
    _Disabled = 2,
 }

+/// A previous security stamp that is still accepted, until `expire`.
 #[derive(Serialize, Deserialize)]
 pub struct UserStampException {
-    pub routes: Vec<String>,
+    /// The routes the stamp is still accepted on, or `None` for any route.
+    pub routes: Option<Vec<String>>,
    pub security_stamp: String,
    pub expire: i64,
 }

+impl UserStampException {
+    pub fn is_expired(&self) -> bool {
+        Utc::now().timestamp() > self.expire
+    }
+
+    /// Whether this exception lets a token carrying `security_stamp` through on `route`.
+    pub fn allows(&self, security_stamp: &str, route: &str) -> bool {
+        !self.is_expired()
+            && self.security_stamp == security_stamp
+            && self.routes.as_ref().is_none_or(|routes| routes.iter().any(|r| r == route))
+    }
+}
+
 /// Local methods
 impl User {
    pub const CLIENT_KDF_TYPE_DEFAULT: i32 = UserKdfType::Pbkdf2 as i32;
@@ -159,9 +184,18 @@ impl User {
            external_id: None, // Todo: Needs to be removed in the future, this is not used anymore.

            key_id: None,
+
+            signed_public_key: None,
+            security_state: None,
+            security_version: None,
+            v2_upgrade_token: None,
        }
    }

+    pub fn is_v2(&self) -> bool {
+        self.signed_public_key.is_some() && self.security_state.is_some() && self.security_version.is_some()
+    }
+
    pub fn check_valid_password(&self, password: &str) -> bool {
        crypto::verify_password_hash(
            password.as_bytes(),
@@ -171,10 +205,6 @@ impl User {
        )
    }

-    pub fn master_password_salt(&self) -> String {
-        self.email.trim().to_lowercase()
-    }
-
    pub fn check_valid_recovery_code(&self, recovery_code: &str) -> bool {
        if let Some(ref totp_recover) = self.totp_recover {
            crypto::ct_eq(recovery_code, totp_recover.to_lowercase())
@@ -225,10 +255,41 @@ impl User {

    pub async fn reset_security_stamp(&mut self, conn: &DbConn) -> EmptyResult {
        self.security_stamp = get_uuid();
+        // A reset is meant to end the other sessions, which a key rotation's grace would undo. The
+        // route exceptions stay, since they are set right before a reset, for the stamp it replaces.
+        // This is also where expired exceptions get dropped.
+        let mut exceptions = self.stamp_exceptions();
+        exceptions.retain(|e| e.routes.is_some() && !e.is_expired());
+        self.set_stamp_exceptions(&exceptions);
        Device::rotate_refresh_tokens_by_user(&self.uuid, conn).await?;
        Ok(())
    }

+    /// Resets the security stamp after a key rotation, while letting the access tokens already
+    /// issued keep working until they expire.
+    ///
+    /// This is what upstream does: there the stamp is only checked when a token is refreshed, so a
+    /// rotation invalidates refresh tokens but not the access tokens in use. Clients rely on it to
+    /// keep a session going across a rotation. Chained rotations keep every earlier stamp that is
+    /// still within its window.
+    pub async fn reset_security_stamp_after_key_rotation(&mut self, conn: &DbConn) -> EmptyResult {
+        let previous_stamp = self.security_stamp.clone();
+        let mut grace: Vec<UserStampException> =
+            self.stamp_exceptions().into_iter().filter(|e| e.routes.is_none() && !e.is_expired()).collect();
+
+        self.reset_security_stamp(conn).await?;
+
+        grace.push(UserStampException {
+            routes: None,
+            security_stamp: previous_stamp,
+            expire: (Utc::now() + *DEFAULT_ACCESS_VALIDITY).timestamp(),
+        });
+        let mut exceptions = self.stamp_exceptions();
+        exceptions.extend(grace);
+        self.set_stamp_exceptions(&exceptions);
+        Ok(())
+    }
+
    /// Set the stamp_exception to only allow a subsequent request matching a specific route using the current security-stamp.
    ///
    /// # Arguments
@@ -237,17 +298,30 @@ impl User {
    ///   After these 2 minutes this stamp will expire.
    ///
    pub fn set_stamp_exception(&mut self, route_exception: Vec<String>) {
-        let stamp_exception = UserStampException {
-            routes: route_exception,
+        self.set_stamp_exceptions(&[UserStampException {
+            routes: Some(route_exception),
            security_stamp: self.security_stamp.clone(),
            expire: (Utc::now() + TimeDelta::try_minutes(2).unwrap()).timestamp(),
-        };
-        self.stamp_exception = Some(serde_json::to_string(&stamp_exception).unwrap_or_default());
+        }]);
    }

-    /// Resets the stamp_exception to prevent re-use of the previous security-stamp
-    pub fn reset_stamp_exception(&mut self) {
-        self.stamp_exception = None;
+    /// The previous security stamps that are still accepted, expired ones included.
+    pub fn stamp_exceptions(&self) -> Vec<UserStampException> {
+        let Some(stored) = self.stamp_exception.as_deref() else {
+            return Vec::new();
+        };
+        // Before key rotations kept sessions alive, only a single route exception was stored.
+        serde_json::from_str::<Vec<UserStampException>>(stored)
+            .or_else(|_| serde_json::from_str::<UserStampException>(stored).map(|e| vec![e]))
+            .unwrap_or_default()
+    }
+
+    fn set_stamp_exceptions(&mut self, exceptions: &[UserStampException]) {
+        self.stamp_exception = if exceptions.is_empty() {
+            None
+        } else {
+            Some(serde_json::to_string(&exceptions).unwrap_or_default())
+        };
    }

    pub fn display_name(&self) -> &str {
@@ -262,27 +336,59 @@ impl User {

 /// Database methods
 impl User {
-    pub fn verified(&self) -> bool {
-        !CONFIG.mail_enabled() || self.verified_at.is_some()
+    async fn v2_signature_key_pair(&self, conn: &DbConn) -> Option<UserSignatureKeyPair> {
+        if !self.is_v2() {
+            return None;
+        }
+        UserSignatureKeyPair::find_by_user(&self.uuid, conn).await
    }

-    /// The `accountKeys` object (upstream's `PrivateKeysResponseModel`), null without a key pair
-    pub fn account_keys_json(&self) -> Value {
-        if self.private_key.is_some() {
-            json!({
-                "publicKeyEncryptionKeyPair": {
-                    "wrappedPrivateKey": self.private_key,
-                    "publicKey": self.public_key,
-                    "signedPublicKey": null,
-                    "object": "publicKeyEncryptionKeyPair",
-                },
-                "securityState": null,
-                "signatureKeyPair": null,
-                "object": "privateKeys"
-            })
-        } else {
-            Value::Null
+    pub async fn account_keys_json(&self, conn: &DbConn) -> Value {
+        if self.private_key.is_none() {
+            return Value::Null;
        }
+
+        let (signed_public_key, signature_key_pair, security_state) = match self.v2_signature_key_pair(conn).await {
+            Some(key_pair) => (
+                json!(self.signed_public_key),
+                key_pair.to_json(),
+                json!({
+                    "securityState": self.security_state,
+                    "securityVersion": self.security_version,
+                }),
+            ),
+            None => (Value::Null, Value::Null, Value::Null),
+        };
+
+        json!({
+            "publicKeyEncryptionKeyPair": {
+                "wrappedPrivateKey": self.private_key,
+                "publicKey": self.public_key,
+                "signedPublicKey": signed_public_key,
+                "object": "publicKeyEncryptionKeyPair",
+            },
+            "signatureKeyPair": signature_key_pair,
+            "securityState": security_state,
+            "object": "privateKeys"
+        })
+    }
+
+    pub async fn public_keys_json(&self, conn: &DbConn) -> Value {
+        let (signed_public_key, verifying_key) = match self.v2_signature_key_pair(conn).await {
+            Some(key_pair) => (json!(self.signed_public_key), json!(key_pair.verifying_key)),
+            None => (Value::Null, Value::Null),
+        };
+
+        json!({
+            "publicKey": self.public_key,
+            "signedPublicKey": signed_public_key,
+            "verifyingKey": verifying_key,
+            "object": "publicKeys"
+        })
+    }
+
+    pub fn v2_upgrade_token_json(&self) -> Option<Value> {
+        self.v2_upgrade_token.as_ref().and_then(|token| serde_json::from_str(token).ok())
    }

    pub async fn to_json(&self, conn: &DbConn) -> Value {
@@ -305,7 +411,7 @@ impl User {
            UserStatus::Enabled
        };

-        let account_keys = self.account_keys_json();
+        let account_keys = self.account_keys_json(conn).await;

        json!({
            "_status": status as i32,
@@ -313,7 +419,7 @@ impl User {
            "id": self.uuid,
            "name": self.name,
            "email": self.email,
-            "emailVerified": self.verified(),
+            "emailVerified": !CONFIG.mail_enabled() || self.verified_at.is_some(),
            "premium": true,
            "premiumFromOrganization": false,
            "culture": "en-US",
@@ -335,7 +441,7 @@ impl User {

    pub async fn save(&mut self, conn: &DbConn) -> EmptyResult {
        if !crate::util::is_valid_email(&self.email) {
-            err!(format!("User email {} is not a valid email address", self.email.escape_debug()))
+            err!(format!("User email {} is not a valid email address", self.email))
        }

        self.updated_at = Utc::now().naive_utc();
@@ -378,10 +484,10 @@ impl User {
        Cipher::delete_all_by_user(&self.uuid, conn).await?;
        Favorite::delete_all_by_user(&self.uuid, conn).await?;
        Folder::delete_all_by_user(&self.uuid, conn).await?;
-        AuthRequest::delete_all_by_user(&self.uuid, conn).await?;
        Device::delete_all_by_user(&self.uuid, conn).await?;
        TwoFactor::delete_all_by_user(&self.uuid, conn).await?;
        TwoFactorIncomplete::delete_all_by_user(&self.uuid, conn).await?;
+        UserSignatureKeyPair::delete_all_by_user(&self.uuid, conn).await?;
        Invitation::take(&self.email, conn).await; // Delete invitation if any

        conn.run(move |conn| {
@@ -484,7 +590,7 @@ impl Invitation {

    pub async fn save(&self, conn: &DbConn) -> EmptyResult {
        if !crate::util::is_valid_email(&self.email) {
-            err!(format!("Invitation email {} is not a valid email address", self.email.escape_debug()))
+            err!(format!("Invitation email {} is not a valid email address", self.email))
        }

        db_run! { conn:
@@ -570,7 +676,18 @@ pub struct UserId(String);
 )]
 #[deref(forward)]
 #[from(forward)]
-pub struct KeyId(String);
+pub struct KeyId(#[serde(deserialize_with = "deserialize_key_id")] String);
+
+/// Rejects a key id from a request that isn't 16 bytes as lowercase hex, as upstream's `[KeyId]` does.
+///
+/// Ref: <https://github.com/bitwarden/server/blob/main/src/Core/KeyManagement/Models/Data/KeyId.cs>
+fn deserialize_key_id<'de, D: serde::Deserializer<'de>>(deserializer: D) -> Result<String, D::Error> {
+    let key_id = <String as serde::Deserialize>::deserialize(deserializer)?;
+    if key_id.len() != 32 || !key_id.bytes().all(|b| matches!(b, b'0'..=b'9' | b'a'..=b'f')) {
+        return Err(serde::de::Error::custom("Key id must be a 32 character lowercase hex-encoded string."));
+    }
+    Ok(key_id)
+}

 impl SsoUser {
    pub async fn save(&self, conn: &DbConn) -> EmptyResult {
@@ -0,0 +1,137 @@
+use chrono::{NaiveDateTime, Utc};
+use derive_more::{AsRef, Deref, Display, From};
+use diesel::prelude::*;
+use serde_json::Value;
+
+use crate::{
+    api::EmptyResult,
+    db::{DbConn, schema::user_signature_key_pairs},
+    error::MapResult,
+    util::get_uuid,
+};
+
+use super::UserId;
+
+/// A user's signature key pair, part of the "v2" account cryptographic state.
+///
+/// Upstream keeps this in its own table rather than as columns on the user, with a unique index on
+/// the user id. The stated intent is to eventually keep superseded key pairs around (an `active`
+/// flag was sketched but not shipped), which is why this is modelled as a row with its own identity
+/// instead of a set of user attributes.
+///
+/// Ref: <https://github.com/bitwarden/server/blob/main/src/Sql/dbo/KeyManagement/Tables/UserSignatureKeyPair.sql>
+#[derive(Identifiable, Queryable, Insertable, AsChangeset, Selectable)]
+#[diesel(table_name = user_signature_key_pairs)]
+#[diesel(treat_none_as_null = true)]
+#[diesel(primary_key(uuid))]
+pub struct UserSignatureKeyPair {
+    pub uuid: UserSignatureKeyPairId,
+    pub user_uuid: UserId,
+
+    pub signature_algorithm: i32,
+    /// The signing (private) key, wrapped by the user key.
+    pub signing_key: String,
+    /// The COSE-encoded public verifying key.
+    pub verifying_key: String,
+
+    pub created_at: NaiveDateTime,
+    pub updated_at: NaiveDateTime,
+}
+
+/// https://github.com/bitwarden/server/blob/main/src/Core/KeyManagement/Enums/SignatureAlgorithm.cs
+#[derive(Clone, Copy, Debug, PartialEq, Eq)]
+pub enum SignatureAlgorithm {
+    Ed25519 = 0,
+    MlDsa44 = 1,
+}
+
+impl SignatureAlgorithm {
+    pub fn parse(algorithm: &str) -> Option<Self> {
+        match algorithm {
+            "ed25519" => Some(Self::Ed25519),
+            "mldsa44" => Some(Self::MlDsa44),
+            _ => None,
+        }
+    }
+}
+
+/// Local methods
+impl UserSignatureKeyPair {
+    pub fn new(
+        user_uuid: UserId,
+        signature_algorithm: SignatureAlgorithm,
+        signing_key: String,
+        verifying_key: String,
+    ) -> Self {
+        let now = Utc::now().naive_utc();
+
+        Self {
+            uuid: UserSignatureKeyPairId(get_uuid()),
+            user_uuid,
+            signature_algorithm: signature_algorithm as i32,
+            signing_key,
+            verifying_key,
+            created_at: now,
+            updated_at: now,
+        }
+    }
+
+    pub fn to_json(&self) -> Value {
+        json!({
+            "wrappedSigningKey": self.signing_key,
+            "verifyingKey": self.verifying_key,
+            "object": "signatureKeyPair",
+        })
+    }
+}
+
+/// Database methods
+impl UserSignatureKeyPair {
+    pub async fn save(&mut self, conn: &DbConn) -> EmptyResult {
+        self.updated_at = Utc::now().naive_utc();
+
+        db_run! { conn:
+            mysql {
+                diesel::insert_into(user_signature_key_pairs::table)
+                    .values(&*self)
+                    .on_conflict(diesel::dsl::DuplicatedKeys)
+                    .do_update()
+                    .set(&*self)
+                    .execute(conn)
+                    .map_res("Error saving user signature key pair")
+            }
+            postgresql, sqlite {
+                diesel::insert_into(user_signature_key_pairs::table)
+                    .values(&*self)
+                    .on_conflict(user_signature_key_pairs::user_uuid)
+                    .do_update()
+                    .set(&*self)
+                    .execute(conn)
+                    .map_res("Error saving user signature key pair")
+            }
+        }
+    }
+
+    /// The user's key pair. There is at most one, enforced by a unique index on `user_uuid`.
+    pub async fn find_by_user(user_uuid: &UserId, conn: &DbConn) -> Option<Self> {
+        conn.run(move |conn| {
+            user_signature_key_pairs::table
+                .filter(user_signature_key_pairs::user_uuid.eq(user_uuid))
+                .first::<Self>(conn)
+                .ok()
+        })
+        .await
+    }
+
+    pub async fn delete_all_by_user(user_uuid: &UserId, conn: &DbConn) -> EmptyResult {
+        conn.run(move |conn| {
+            diesel::delete(user_signature_key_pairs::table.filter(user_signature_key_pairs::user_uuid.eq(user_uuid)))
+                .execute(conn)
+                .map_res("Error deleting user signature key pairs")
+        })
+        .await
+    }
+}
+
+#[derive(Clone, Debug, AsRef, Deref, DieselNewType, Display, From, Hash, PartialEq, Eq, Serialize, Deserialize)]
+pub struct UserSignatureKeyPairId(String);
@@ -116,7 +116,6 @@ table! {
        atype -> Integer,
        enabled -> Bool,
        data -> Text,
-        revision_date -> Timestamp,
    }
 }

@@ -219,6 +218,22 @@ table! {
        avatar_color -> Nullable<Text>,
        external_id -> Nullable<Text>,
        key_id -> Nullable<Text>,
+        signed_public_key -> Nullable<Text>,
+        security_state -> Nullable<Text>,
+        security_version -> Nullable<Integer>,
+        v2_upgrade_token -> Nullable<Text>,
+    }
+}
+
+table! {
+    user_signature_key_pairs (uuid) {
+        uuid -> Text,
+        user_uuid -> Text,
+        signature_algorithm -> Integer,
+        signing_key -> Text,
+        verifying_key -> Text,
+        created_at -> Timestamp,
+        updated_at -> Timestamp,
    }
 }

@@ -244,6 +259,7 @@ table! {
        atype -> Integer,
        reset_password_key -> Nullable<Text>,
        external_id -> Nullable<Text>,
+        v2_upgrade_token -> Nullable<Text>,
    }
 }

@@ -384,6 +400,7 @@ joinable!(collections_groups -> groups (groups_uuid));
 joinable!(event -> users_organizations (uuid));
 joinable!(auth_requests -> users (user_uuid));
 joinable!(sso_users -> users (user_uuid));
+joinable!(user_signature_key_pairs -> users (user_uuid));

 allow_tables_to_appear_in_same_query!(
    archives,
@@ -410,4 +427,5 @@ allow_tables_to_appear_in_same_query!(
    collections_groups,
    event,
    auth_requests,
+    user_signature_key_pairs,
 );
@@ -466,7 +466,7 @@ mod tests {
    #[test]
    fn dotted_decimal_loopback_normalizes() {
        let ip = parse_to_ip("127.0.0.1").unwrap();
-        assert_eq!(ip, IpAddr::V4(Ipv4Addr::LOCALHOST));
+        assert_eq!(ip, IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)));
        assert!(!is_global_hardcoded(ip));
    }

@@ -474,21 +474,21 @@ mod tests {
    fn single_decimal_loopback_normalizes() {
        // 127.0.0.1 == 2130706433
        let ip = parse_to_ip("2130706433").unwrap();
-        assert_eq!(ip, IpAddr::V4(Ipv4Addr::LOCALHOST));
+        assert_eq!(ip, IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)));
        assert!(!is_global_hardcoded(ip));
    }

    #[test]
    fn hex_loopback_normalizes() {
        let ip = parse_to_ip("0x7f000001").unwrap();
-        assert_eq!(ip, IpAddr::V4(Ipv4Addr::LOCALHOST));
+        assert_eq!(ip, IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)));
        assert!(!is_global_hardcoded(ip));
    }

    #[test]
    fn dotted_hex_loopback_normalizes() {
        let ip = parse_to_ip("0x7f.0.0.1").unwrap();
-        assert_eq!(ip, IpAddr::V4(Ipv4Addr::LOCALHOST));
+        assert_eq!(ip, IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)));
        assert!(!is_global_hardcoded(ip));
    }

@@ -496,14 +496,14 @@ mod tests {
    fn octal_loopback_normalizes() {
        // 017700000001 == 127.0.0.1
        let ip = parse_to_ip("017700000001").unwrap();
-        assert_eq!(ip, IpAddr::V4(Ipv4Addr::LOCALHOST));
+        assert_eq!(ip, IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)));
        assert!(!is_global_hardcoded(ip));
    }

    #[test]
    fn dotted_octal_loopback_normalizes() {
        let ip = parse_to_ip("0177.0.0.01").unwrap();
-        assert_eq!(ip, IpAddr::V4(Ipv4Addr::LOCALHOST));
+        assert_eq!(ip, IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)));
        assert!(!is_global_hardcoded(ip));
    }

@@ -535,19 +535,19 @@ mod tests {
    #[test]
    fn get_valid_host_normalizes_decimal_int() {
        let h = get_valid_host("2130706433").expect("valid");
-        assert!(matches!(h, Host::Ipv4(ip) if ip == Ipv4Addr::LOCALHOST));
+        assert!(matches!(h, Host::Ipv4(ip) if ip == Ipv4Addr::new(127, 0, 0, 1)));
    }

    #[test]
    fn get_valid_host_normalizes_hex() {
        let h = get_valid_host("0x7f000001").expect("valid");
-        assert!(matches!(h, Host::Ipv4(ip) if ip == Ipv4Addr::LOCALHOST));
+        assert!(matches!(h, Host::Ipv4(ip) if ip == Ipv4Addr::new(127, 0, 0, 1)));
    }

    #[test]
    fn get_valid_host_normalizes_octal() {
        let h = get_valid_host("017700000001").expect("valid");
-        assert!(matches!(h, Host::Ipv4(ip) if ip == Ipv4Addr::LOCALHOST));
+        assert!(matches!(h, Host::Ipv4(ip) if ip == Ipv4Addr::new(127, 0, 0, 1)));
    }

    // ===
@@ -36,7 +36,7 @@ fn smtp_transport() -> AsyncSmtpTransport<Tokio1Executor> {

    let smtp_client = AsyncSmtpTransport::<Tokio1Executor>::builder_dangerous(host.as_str())
        .port(CONFIG.smtp_port())
-        .timeout(Some(Duration::from_secs(u64::from(CONFIG.smtp_timeout()))));
+        .timeout(Some(Duration::from_secs(CONFIG.smtp_timeout())));

    // Determine security
    let smtp_client = if CONFIG.smtp_security() == *"off" {
@@ -169,7 +169,7 @@ pub async fn send_password_hint(address: &str, hint: Option<String>) -> EmptyRes
 }

 pub async fn send_delete_account(address: &str, user_id: &UserId) -> EmptyResult {
-    let claims = generate_delete_claims(user_id.to_string())?;
+    let claims = generate_delete_claims(user_id.to_string());
    let delete_token = encode_jwt(&claims);

    let (subject, body_html, body_text) = get_text(
@@ -187,7 +187,7 @@ pub async fn send_delete_account(address: &str, user_id: &UserId) -> EmptyResult
 }

 pub async fn send_verify_email(address: &str, user_id: &UserId) -> EmptyResult {
-    let claims = generate_verify_email_claims(user_id)?;
+    let claims = generate_verify_email_claims(user_id);
    let verify_email_token = encode_jwt(&claims);

    let (subject, body_html, body_text) = get_text(
@@ -237,7 +237,7 @@ pub async fn send_welcome(address: &str) -> EmptyResult {
 }

 pub async fn send_welcome_must_verify(address: &str, user_id: &UserId) -> EmptyResult {
-    let claims = generate_verify_email_claims(user_id)?;
+    let claims = generate_verify_email_claims(user_id);
    let verify_email_token = encode_jwt(&claims);

    let (subject, body_html, body_text) = get_text(
@@ -292,7 +292,7 @@ pub async fn send_invite(
        org_id.clone(),
        member_id.clone(),
        invited_by_email,
-    )?;
+    );
    let invite_token = encode_jwt(&claims);
    let mut query = url::Url::parse("https://query.builder").unwrap();
    {
@@ -351,7 +351,7 @@ pub async fn send_emergency_access_invite(
        emer_id.clone(),
        String::from(grantor_name),
        String::from(grantor_email),
-    )?;
+    );

    // Build the query here to ensure proper escaping
    let mut query = url::Url::parse("https://query.builder").unwrap();
@@ -531,21 +531,6 @@ pub async fn send_new_device_logged_in(address: &str, ip: &str, dt: &NaiveDateTi
    send_email(address, &subject, body_html, body_text).await
 }

-pub async fn send_recover_twofactor(address: &str, ip: &str, dt: &NaiveDateTime) -> EmptyResult {
-    let fmt = "%A, %B %_d, %Y at %r %Z";
-    let (subject, body_html, body_text) = get_text(
-        "email/recover_twofactor",
-        json!({
-            "url": CONFIG.domain(),
-            "img_src": CONFIG._smtp_img_src(),
-            "ip": ip,
-            "datetime": crate::util::format_naive_datetime_local(dt, fmt),
-        }),
-    )?;
-
-    send_email(address, &subject, body_html, body_text).await
-}
-
 pub async fn send_incomplete_2fa_login(
    address: &str,
    ip: &str,
@@ -720,7 +720,7 @@ fn schedule_jobs(pool: db::DbPool) {
            }

            // Clean unused, expired Duo authentication contexts.
-            if !CONFIG.duo_context_purge_schedule().is_empty() && CONFIG._enable_duo() {
+            if !CONFIG.duo_context_purge_schedule().is_empty() && CONFIG._enable_duo() && !CONFIG.duo_use_iframe() {
                sched.add(Job::new(CONFIG.duo_context_purge_schedule().parse().unwrap(), || {
                    runtime.spawn(purge_duo_contexts(pool.clone()));
                }));
@@ -729,7 +729,7 @@ fn schedule_jobs(pool: db::DbPool) {
            // Cleanup the event table of records x days old.
            if CONFIG.org_events_enabled()
                && !CONFIG.event_cleanup_schedule().is_empty()
-                && CONFIG.events_days_retain().is_some_and(|d| d != 0)
+                && CONFIG.events_days_retain().is_some()
            {
                sched.add(Job::new(CONFIG.event_cleanup_schedule().parse().unwrap(), || {
                    runtime.spawn(api::event_cleanup_job(pool.clone()));
@@ -754,9 +754,7 @@ fn schedule_jobs(pool: db::DbPool) {
            // tick, the one that was added earlier will run first.
            loop {
                sched.tick();
-                runtime.block_on(tokio::time::sleep(tokio::time::Duration::from_millis(u64::from(
-                    CONFIG.job_poll_interval_ms(),
-                ))));
+                runtime.block_on(tokio::time::sleep(tokio::time::Duration::from_millis(CONFIG.job_poll_interval_ms())));
            }
        })
        .expect("Error spawning job scheduler thread");
@@ -7,20 +7,20 @@ use crate::{CONFIG, Error};
 type Limiter<T = IpAddr> = RateLimiter<T, DashMapStateStore<T>, DefaultClock>;

 static LIMITER_LOGIN: LazyLock<Limiter> = LazyLock::new(|| {
-    let seconds = Duration::from_secs(u64::from(CONFIG.login_ratelimit_seconds()));
-    let burst = NonZeroU32::new(u32::from(CONFIG.login_ratelimit_max_burst())).expect("Non-zero login ratelimit burst");
+    let seconds = Duration::from_secs(CONFIG.login_ratelimit_seconds());
+    let burst = NonZeroU32::new(CONFIG.login_ratelimit_max_burst()).expect("Non-zero login ratelimit burst");
    RateLimiter::keyed(Quota::with_period(seconds).expect("Non-zero login ratelimit seconds").allow_burst(burst))
 });

 static LIMITER_ADMIN: LazyLock<Limiter> = LazyLock::new(|| {
-    let seconds = Duration::from_secs(u64::from(CONFIG.admin_ratelimit_seconds()));
-    let burst = NonZeroU32::new(u32::from(CONFIG.admin_ratelimit_max_burst())).expect("Non-zero admin ratelimit burst");
+    let seconds = Duration::from_secs(CONFIG.admin_ratelimit_seconds());
+    let burst = NonZeroU32::new(CONFIG.admin_ratelimit_max_burst()).expect("Non-zero admin ratelimit burst");
    RateLimiter::keyed(Quota::with_period(seconds).expect("Non-zero admin ratelimit seconds").allow_burst(burst))
 });

 static LIMITER_UNAUTHENTICATED: LazyLock<Limiter> = LazyLock::new(|| {
-    let seconds = Duration::from_secs(u64::from(CONFIG.unauthenticated_ratelimit_seconds()));
-    let burst = NonZeroU32::new(u32::from(CONFIG.unauthenticated_ratelimit_max_burst()))
+    let seconds = Duration::from_secs(CONFIG.unauthenticated_ratelimit_seconds());
+    let burst = NonZeroU32::new(CONFIG.unauthenticated_ratelimit_max_burst())
        .expect("Non-zero unauthenticated ratelimit burst");
    RateLimiter::keyed(
        Quota::with_period(seconds).expect("Non-zero unauthenticated ratelimit seconds").allow_burst(burst),
@@ -2,6 +2,7 @@ use std::{sync::LazyLock, time::Duration};

 use chrono::Utc;
 use derive_more::{AsRef, Deref, Display, From, Into};
+use regex::Regex;
 use url::Url;

 use crate::{
@@ -174,16 +175,16 @@ pub fn decode_state(base64_state: &str) -> ApiResult<OIDCState> {
        if let Ok(valid) = String::from_utf8(vec) {
            OIDCState(valid)
        } else {
-            err!(format!("Invalid utf8 chars in {} after base64 decoding", base64_state.escape_debug()))
+            err!(format!("Invalid utf8 chars in {base64_state} after base64 decoding"))
        }
    } else {
-        err!(format!("Failed to decode {} using base64", base64_state.escape_debug()))
+        err!(format!("Failed to decode {base64_state} using base64"))
    };

    Ok(state)
 }

-// redirect_uri from: https://github.com/bitwarden/server/blob/main/src/Identity/IdentityServer/StaticClientStore.cs
+// redirect_uri from: https://github.com/bitwarden/server/blob/main/src/Identity/IdentityServer/ApiClient.cs
 pub async fn authorize_url(
    state: OIDCState,
    client_challenge: OIDCCodeChallenge,
@@ -192,21 +193,20 @@ pub async fn authorize_url(
    binding_hash: Option<String>,
    conn: DbConn,
 ) -> ApiResult<Url> {
-    // The desktop app uses the localhost callback when it can't register the custom scheme (AppImage, dev builds)
-    let localhost_redirect_uri =
-        (8065..=8070).map(|port| format!("http://localhost:{port}")).find(|uri| uri == raw_redirect_uri);
-
    let redirect_uri = match client_id {
        "web" | "browser" => format!("{}/sso-connector.html", CONFIG.domain()),
-        "desktop" => localhost_redirect_uri.unwrap_or_else(|| "bitwarden://sso-callback".to_owned()),
-        "mobile" => "bitwarden://sso-callback".to_owned(),
+        "desktop" | "mobile" => "bitwarden://sso-callback".to_owned(),
        "cli" => {
-            let Some(uri) = localhost_redirect_uri else {
-                err!(format!("Unsupported redirect uri {}", raw_redirect_uri.escape_debug()))
-            };
-            uri
+            let port_regex = Regex::new(r"^http://localhost:([0-9]{4})$").unwrap();
+            if let Some(port) =
+                port_regex.captures(raw_redirect_uri).and_then(|captures| captures.get(1).map(|c| c.as_str()))
+            {
+                format!("http://localhost:{port}")
+            } else {
+                err!("Failed to extract port number")
+            }
        }
-        _ => err!(format!("Unsupported client {}", client_id.escape_debug())),
+        _ => err!(format!("Unsupported client {client_id}")),
    };

    let (auth_url, sso_auth) = Client::authorize_url(state, client_challenge, redirect_uri, binding_hash).await?;
@@ -242,8 +242,7 @@ impl OIDCIdentifier {

 // During the 2FA flow we will
 //  - retrieve the user information and then only discover he needs 2FA.
-//  - second time we will rely on `SsoAuth.auth_response` since the `code` has already been exchanged,
-//    after checking the PKCE verifier again like upstream does on every redemption.
+//  - second time we will rely on `SsoAuth.auth_response` since the `code` has already been exchanged.
 // The `SsoAuth` will ensure that the user is authorized only once.
 pub async fn exchange_code(
    code: &OIDCCode,
@@ -257,7 +256,6 @@ pub async fn exchange_code(
    };

    if let Some(authenticated_user) = sso_auth.auth_response.clone() {
-        Client::check_client_verifier(&client_verifier, &sso_auth)?;
        return Ok((sso_auth, authenticated_user));
    }

@@ -29,7 +29,7 @@ static CLIENT_CACHE_KEY: LazyLock<String> = LazyLock::new(|| "sso-client".to_own
 static CLIENT_CACHE: LazyLock<moka::sync::Cache<String, Client>> = LazyLock::new(|| {
    moka::sync::Cache::builder()
        .max_capacity(1)
-        .time_to_live(Duration::from_secs(u64::from(CONFIG.sso_client_cache_expiration())))
+        .time_to_live(Duration::from_secs(CONFIG.sso_client_cache_expiration()))
        .build()
 });
 static REFRESH_CACHE: LazyLock<moka::future::Cache<String, Result<RefreshTokenResponse, String>>> =
@@ -212,16 +212,6 @@ impl Client {
        Ok((auth_url, SsoAuth::new(state, client_challenge, nonce.secret().clone(), redirect_uri, binding_hash)))
    }

-    // Check the client's PKCE verifier against the challenge it sent when starting the flow
-    pub fn check_client_verifier(client_verifier: &OIDCCodeVerifier, sso_auth: &SsoAuth) -> EmptyResult {
-        let verifier = PkceCodeVerifier::new(client_verifier.to_string());
-        let challenge = PkceCodeChallenge::from_code_verifier_sha256(&verifier);
-        if challenge.as_str() != &*sso_auth.client_challenge {
-            err!("PKCE client challenge failed")
-        }
-        Ok(())
-    }
-
    pub async fn exchange_code(
        &self,
        code: OIDCCode,
@@ -244,10 +234,15 @@ impl Client {

        let mut exchange = self.core_client.exchange_code(oidc_code);

+        let verifier = PkceCodeVerifier::new(client_verifier.into());
        if CONFIG.sso_pkce() {
-            exchange = exchange.set_pkce_verifier(PkceCodeVerifier::new(client_verifier.into()));
+            exchange = exchange.set_pkce_verifier(verifier);
        } else {
-            Self::check_client_verifier(&client_verifier, sso_auth)?;
+            let challenge = PkceCodeChallenge::from_code_verifier_sha256(&verifier);
+            if challenge.as_str() != String::from(sso_auth.client_challenge.clone()) {
+                err!("PKCE client challenge failed")
+                // Might need to notify admin ? how ?
+            }
        }

        match exchange.request_async(&self.http_client).await {
@@ -93,9 +93,7 @@ async function generateSupportString(event, dj) {
    supportString += `* Running within a container: ${yn(dj.running_within_container)} (Base: ${dj.container_base_image})\n`;
    supportString += `* Database type: ${dj.db_type}\n`;
    supportString += `* Database version: ${dj.db_version}\n`;
-    supportString += `* Uses config.json: ${yn(dj.config_file_status !== "NotFound")}`;
-    supportString += dj.config_file_status !== "NotFound" ? ` (Valid: ${chk(dj.config_file_status === "Loaded")})\n` : "\n";
-    supportString += `* Environment variables are valid: ${chk(dj.invalid_env_vars == "")}\n`;
+    supportString += `* Uses config.json: ${yn(dj.overrides !== "")}\n`;
    supportString += `* Uses custom templates: ${yn(dj.template_overrides !== "")}${template_overrides}\n`;
    supportString += `* Uses a reverse proxy: ${yn(dj.ip_header_exists)}\n`;
    if (dj.ip_header_exists) {
@@ -118,7 +116,7 @@ async function generateSupportString(event, dj) {
    }
    supportString += `* HTTP Response Checks: ${chk(httpResponseCheck)}\n`;
    if (dj.invalid_feature_flags != "") {
-        supportString += "* Invalid feature flags: true :x:\n";
+        supportString += "* Invalid feature flags: true\n";
    }

    const jsonResponse = await fetch(`${BASE_URL}/admin/diagnostics/config`, {
@@ -134,11 +132,6 @@ async function generateSupportString(event, dj) {
    supportString += "\n### Config & Details (Generated via diagnostics page)\n\n";
    supportString += "<details><summary>Show Config & Details</summary>\n";

-    // Show invalid environment variables if they exists
-    if (dj.invalid_env_vars != "") {
-        supportString += `\n**Invalid environment variables:** ${dj.invalid_env_vars}\n`;
-    }
-
    // Add overrides if they exists
    if (dj.overrides != "") {
        supportString += `\n**Environment settings which are overridden:** ${dj.overrides}\n`;
@@ -4,10 +4,10 @@
 *
 * To rebuild or modify this file with the latest versions of the included
 * software please visit:
- *   https://datatables.net/download/#bs5/dt-3.1.4
+ *   https://datatables.net/download/#bs5/dt-3.0.4
 *
 * Included libraries:
- *   DataTables 3.1.4
+ *   DataTables 3.0.4
 */

 /*! DataTables Bootstrap 5 integration
@@ -69,26 +69,12 @@
                    </dd>
                    <dt class="col-sm-5">Uses config.json</dt>
                    <dd class="col-sm-7">
-                    {{#if (eq page_data.config_file_status "Loaded")}}
+                    {{#if page_data.overrides}}
                        <span class="d-inline"><b>Yes</b></span>
-                        {{#if page_data.overrides}}
                        <span class="badge bg-info text-dark abbr-badge" title="Environment variables are overwritten by a config.json.&#013;&#010;{{page_data.overrides}}">Details</span>
-                        {{/if}}
-                    {{~else if (eq page_data.config_file_status "Error")}}
-                        <span class="d-inline"><b>Errors</b></span>
-                        <span class="badge bg-danger abbr-badge" title="Config file could not be loaded and was ignored. Check server logs for details.">Details</span>
-                    {{~else}}
-                        <span class="d-inline"><b>No</b></span>
                    {{/if}}
-                    </dd>
-                    <dt class="col-sm-5">Environment variables are valid</dt>
-                    <dd class="col-sm-7">
-                    {{#if page_data.invalid_env_vars}}
-                        <span class="d-inline"><b>No</b></span>
-                        <span class="badge bg-danger abbr-badge" title="Invalid environment variables are found and defaults are used instead.&#013;&#010;{{page_data.invalid_env_vars}}">Details</span>
-                    {{/if}}
-                    {{#unless page_data.invalid_env_vars}}
-                        <span class="d-block"><b>Yes</b></span>
+                    {{#unless page_data.overrides}}
+                        <span class="d-block"><b>No</b></span>
                    {{/unless}}
                    </dd>
                    <dt class="col-sm-5">Uses custom templates</dt>
@@ -1,9 +0,0 @@
-Two-Step Login Recovered From {{ip}}
-<!---------------->
-Two-step login on your account has been disabled by using the account's recovery code.
-
-* Date: {{datetime}}
-* IP Address: {{ip}}
-
-If you did not perform this action, you should immediately take steps to secure your account.
-{{> email/email_footer_text }}
@@ -1,26 +0,0 @@
-Two-Step Login Recovered From {{ip}}
-<!---------------->
-{{> email/email_header }}
-<table width="100%" cellpadding="0" cellspacing="0" style="margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none;">
-   <tr style="margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none;">
-      <td class="content-block" style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; margin: 0; -webkit-font-smoothing: antialiased; padding: 0 0 10px; -webkit-text-size-adjust: none;" valign="top">
-         Two-step login on your account has been disabled by using the account's recovery code.
-      </td>
-   </tr>
-   <tr style="margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none;">
-      <td class="content-block" style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; margin: 0; -webkit-font-smoothing: antialiased; padding: 0 0 10px; -webkit-text-size-adjust: none;" valign="top">
-         <b>Date:</b> {{datetime}}
-      </td>
-   </tr>
-   <tr style="margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none;">
-      <td class="content-block" style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; margin: 0; -webkit-font-smoothing: antialiased; padding: 0 0 10px; -webkit-text-size-adjust: none;" valign="top">
-         <b>IP Address:</b> {{ip}}
-      </td>
-   </tr>
-   <tr style="margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none;">
-      <td class="content-block last" style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; margin: 0; -webkit-font-smoothing: antialiased; padding: 0; -webkit-text-size-adjust: none;" valign="top">
-         If you did not perform this action, you should immediately take steps to secure your account.
-      </td>
-   </tr>
-</table>
-{{> email/email_footer }}
@@ -9,7 +9,7 @@ Emergency access for {{{grantor_name}}}
    </tr>
    <tr style="margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none;">
       <td class="content-block" style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; margin: 0; -webkit-font-smoothing: antialiased; padding: 0 0 10px; -webkit-text-size-adjust: none; text-align: center;" valign="top" align="center">
-          <a data-testid="emergency" href="{{{url}}}"
+          <a href="{{{url}}}"
             clicktracking=off target="_blank" style="color: #ffffff; text-decoration: none; text-align: center; cursor: pointer; display: inline-block; border-radius: 5px; background-color: #3c8dbc; border-color: #3c8dbc; border-style: solid; border-width: 10px 20px; margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; line-height: 25px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none;">
          Become emergency contact
          </a>
@@ -42,27 +42,45 @@ a[href$="/settings/sponsored-families"] {
 {{/if}}

 /* Hide the `Enterprise Single Sign-On` button on the login page */
+{{#if (webver ">=2025.5.1")}}
 {{#if (not sso_enabled)}}
 .vw-sso-login {
  @extend %vw-hide;
 }
 {{/if}}
+{{else}}
+app-root ng-component > form > div:nth-child(1) > div > button[buttontype="secondary"].\!tw-text-primary-600:nth-child(4) {
+  @extend %vw-hide;
+}
+{{/if}}

 /* Hide the `Log in with passkey` settings */
 app-user-layout app-password-settings app-webauthn-login-settings {
  @extend %vw-hide;
 }
 /* Hide Log in with passkey on the login page */
+{{#if (webver ">=2025.5.1")}}
 .vw-passkey-login {
  @extend %vw-hide;
 }
+{{else}}
+app-root ng-component > form > div:nth-child(1) > div > button[buttontype="secondary"].\!tw-text-primary-600:nth-child(3) {
+  @extend %vw-hide;
+}
+{{/if}}

 /* Hide the or text followed by the two buttons hidden above */
+{{#if (webver ">=2025.5.1")}}
 {{#if (or (not sso_enabled) sso_only)}}
 .vw-or-text {
  @extend %vw-hide;
 }
 {{/if}}
+{{else}}
+app-root ng-component > form > div:nth-child(1) > div:nth-child(3) > div:nth-child(2) {
+  @extend %vw-hide;
+}
+{{/if}}

 /* Hide the `Other` button on the login page */
 {{#if (or (not sso_enabled) sso_only)}}
@@ -136,10 +154,17 @@ ng-dropdown-panel div.ng-dropdown-panel-items div:has(> [title="DuckDuckGo"]) {
  take a while for the change to take effect. To avoid the button appearing
  when it shouldn't, we'll keep this style in place for a couple of versions */
 /* Hide the register link on the login screen */
+{{#if (webver "<2025.3.0")}}
+app-login form div + div + div + div + hr,
+app-login form div + div + div + div + hr + p {
+  @extend %vw-hide;
+}
+{{else}}
 app-root a[routerlink="/signup"] {
  @extend %vw-hide;
 }
 {{/if}}
+{{/if}}

 {{#if remember_2fa_disabled}}
 /* Hide checkbox to remember 2FA token for 30 days */
@@ -195,13 +220,6 @@ auth-input-password > form > bit-form-field:nth-child(4) {
  @extend %vw-hide;
 }
 {{/unless}}
-
-{{#unless email_change_allowed}}
-/* Hide the whole `Change email` section, including its heading, if not allowed */
-div:has(> app-change-email) {
-  @extend %vw-hide;
-}
-{{/unless}}
 /**** End Dynamic Vaultwarden Changes ****/
 /**** Include a special user stylesheet for custom changes ****/
 {{#if load_user_scss}}
@@ -210,7 +210,7 @@ impl Fairing for Cors {
 pub struct Cached<R> {
    response: R,
    is_immutable: bool,
-    ttl: u32,
+    ttl: u64,
 }

 impl<R> Cached<R> {
@@ -230,7 +230,7 @@ impl<R> Cached<R> {
        }
    }

-    pub fn ttl(response: R, ttl: u32, is_immutable: bool) -> Cached<R> {
+    pub fn ttl(response: R, ttl: u64, is_immutable: bool) -> Cached<R> {
        Self {
            response,
            is_immutable,
@@ -251,7 +251,7 @@ impl<'r, R: 'r + Responder<'r, 'static> + Send> Responder<'r, 'static> for Cache
        res.set_raw_header("Cache-Control", cache_control_header);

        let time_now = Local::now();
-        let expiry_time = time_now + chrono::TimeDelta::try_seconds(self.ttl.into()).unwrap();
+        let expiry_time = time_now + chrono::TimeDelta::try_seconds(self.ttl.try_into().unwrap()).unwrap();
        res.set_raw_header("Expires", format_datetime_http(&expiry_time));
        Ok(res)
    }
@@ -380,7 +380,7 @@ pub fn get_display_size(size: i64) -> String {
    let mut unit_counter = 0;

    loop {
-        if size > 1024. && unit_counter < UNITS.len() - 1 {
+        if size > 1024. {
            size /= 1024.;
            unit_counter += 1;
        } else {
@@ -447,34 +447,20 @@ pub fn get_env_str_value(key: &str) -> Option<String> {
    }
 }

-pub static INVALID_ENV_VARS: std::sync::Mutex<Vec<&'static str>> = std::sync::Mutex::new(Vec::new());
-
-pub fn get_env<V>(key: &'static str) -> Option<V>
+pub fn get_env<V>(key: &str) -> Option<V>
 where
    V: FromStr,
 {
-    let value = get_env_str_value(key);
-    let value_is_some = value.is_some();
-    let parsed: Option<V> = try_parse_string(value);
-    if parsed.is_none() && value_is_some {
-        println!("[ERROR] `{key}` contains an invalid value for its type and is ignored, the default is used instead.");
-        INVALID_ENV_VARS.lock().unwrap().push(key);
-    }
-    parsed
+    try_parse_string(get_env_str_value(key))
 }

-pub fn get_env_bool(key: &'static str) -> Option<bool> {
+pub fn get_env_bool(key: &str) -> Option<bool> {
    const TRUE_VALUES: &[&str] = &["true", "t", "yes", "y", "1"];
    const FALSE_VALUES: &[&str] = &["false", "f", "no", "n", "0"];

    match get_env_str_value(key) {
        Some(val) if TRUE_VALUES.contains(&val.to_lowercase().as_ref()) => Some(true),
        Some(val) if FALSE_VALUES.contains(&val.to_lowercase().as_ref()) => Some(false),
-        Some(_) => {
-            println!("[ERROR] `{key}` contains an invalid boolean value and is ignored, the default is used instead.");
-            INVALID_ENV_VARS.lock().unwrap().push(key);
-            None
-        }
        _ => None,
    }
 }
@@ -536,8 +522,8 @@ pub fn format_datetime_http(dt: &DateTime<Local>) -> String {
    expiry_time.to_rfc2822().replace("+0000", "GMT")
 }

-pub fn parse_date(date: &str) -> Option<NaiveDateTime> {
-    DateTime::parse_from_rfc3339(date).ok().map(|dt| dt.naive_utc())
+pub fn parse_date(date: &str) -> NaiveDateTime {
+    DateTime::parse_from_rfc3339(date).unwrap().naive_utc()
 }

 /// Returns true or false if an email address is valid or not
@@ -957,15 +943,15 @@ mod tests {
    use std::net::IpAddr;

    #[test]
-    #[ignore = "exhaustive IPv4 check is too slow for the regular test suite"]
+    #[ignore]
    fn test_ipv4_global() {
        for a in 0..u8::MAX {
-            println!("Iter: {a}/255");
+            println!("Iter: {}/255", a);
            for b in 0..u8::MAX {
                for c in 0..u8::MAX {
                    for d in 0..u8::MAX {
                        let ip = IpAddr::V4(std::net::Ipv4Addr::new(a, b, c, d));
-                        assert_eq!(ip.is_global(), is_global_hardcoded(ip), "IP mismatch: {ip}");
+                        assert_eq!(ip.is_global(), is_global_hardcoded(ip), "IP mismatch: {}", ip)
                    }
                }
            }
@@ -973,15 +959,15 @@ mod tests {
    }

    #[test]
-    #[ignore = "random IPv6 check is too slow for the regular test suite"]
+    #[ignore]
    fn test_ipv6_global() {
-        use rand::RngExt;
+        use rand::Rng;

        std::thread::scope(|s| {
            for t in 0..16 {
-                let _handle = s.spawn(move || {
+                let handle = s.spawn(move || {
                    let mut v = [0u8; 16];
-                    let mut rng = rand::rng();
+                    let mut rng = rand::thread_rng();

                    for i in 0..20 {
                        println!("Thread {t} Iter: {i}/50");
Author	SHA1	Message	Date
Daniel García	d01db37e75	Some simplifications	2026-09-23 23:53:12 +02:00
Daniel García	fe212a425f	Add typo exception	2026-09-23 23:30:19 +02:00
Daniel García	72a39ae90b	Implement V2 key rotation support	2026-09-23 23:30:19 +02:00
Daniel García	fd7e1be788	Implement V2 registration support Signed-off-by: BlackDex <black.dex@gmail.com>	2026-09-23 23:30:18 +02:00
				`@@ -1 +0,0 @@`
				`ALTER TABLE org_policies DROP COLUMN revision_date;`