First working version

libs/jsonwebtoken/src/header.rs

@@ -0,0 +1,64 @@
+use crypto::Algorithm;
+
+
+/// A basic JWT header, the alg defaults to HS256 and typ is automatically
+/// set to `JWT`. All the other fields are optional.
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+pub struct Header {
+    /// The type of JWS: it can only be "JWT" here
+    ///
+    /// Defined in [RFC7515#4.1.9](https://tools.ietf.org/html/rfc7515#section-4.1.9).
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub typ: Option<String>,
+    /// The algorithm used
+    ///
+    /// Defined in [RFC7515#4.1.1](https://tools.ietf.org/html/rfc7515#section-4.1.1).
+    pub alg: Algorithm,
+    /// Content type
+    ///
+    /// Defined in [RFC7519#5.2](https://tools.ietf.org/html/rfc7519#section-5.2).
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub cty: Option<String>,
+    /// JSON Key URL
+    ///
+    /// Defined in [RFC7515#4.1.2](https://tools.ietf.org/html/rfc7515#section-4.1.2).
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub jku: Option<String>,
+    /// Key ID
+    ///
+    /// Defined in [RFC7515#4.1.4](https://tools.ietf.org/html/rfc7515#section-4.1.4).
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub kid: Option<String>,
+    /// X.509 URL
+    ///
+    /// Defined in [RFC7515#4.1.5](https://tools.ietf.org/html/rfc7515#section-4.1.5).
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub x5u: Option<String>,
+    /// X.509 certificate thumbprint
+    ///
+    /// Defined in [RFC7515#4.1.7](https://tools.ietf.org/html/rfc7515#section-4.1.7).
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub x5t: Option<String>,
+}
+
+impl Header {
+    /// Returns a JWT header with the algorithm given
+    pub fn new(algorithm: Algorithm) -> Header {
+        Header {
+            typ: Some("JWT".to_string()),
+            alg: algorithm,
+            cty: None,
+            jku: None,
+            kid: None,
+            x5u: None,
+            x5t: None,
+        }
+    }
+}
+
+impl Default for Header {
+    /// Returns a JWT header using the default Algorithm, HS256
+    fn default() -> Self {
+        Header::new(Algorithm::default())
+    }
+}