Implement the device code authorisation request

crates/router/src/endpoints.rs

@@ -695,6 +695,13 @@ pub struct DeviceCodeLink {
     code: Option<String>,
 }
 
+impl DeviceCodeLink {
+    #[must_use]
+    pub fn with_code(code: String) -> Self {
+        Self { code: Some(code) }
+    }
+}
+
 impl Route for DeviceCodeLink {
     type Query = DeviceCodeLink;
     fn route() -> &'static str {
@@ -706,6 +713,14 @@ impl Route for DeviceCodeLink {
     }
 }
 
+/// `POST /oauth2/device`
+#[derive(Default, Serialize, Deserialize, Debug, Clone)]
+pub struct OAuth2DeviceAuthorizationEndpoint;
+
+impl SimpleRoute for OAuth2DeviceAuthorizationEndpoint {
+    const PATH: &'static str = "/oauth2/device";
+}
+
 /// `GET /assets`
 pub struct StaticAsset {
     path: String,

crates/router/src/url_builder.rs

@@ -154,6 +154,24 @@ impl UrlBuilder {
         self.absolute_url_for(&crate::endpoints::OAuth2RegistrationEndpoint)
     }
 
+    /// OAuth 2.0 device authorization endpoint
+    #[must_use]
+    pub fn oauth_device_authorization_endpoint(&self) -> Url {
+        self.absolute_url_for(&crate::endpoints::OAuth2DeviceAuthorizationEndpoint)
+    }
+
+    /// OAuth 2.0 device code link
+    #[must_use]
+    pub fn device_code_link(&self) -> Url {
+        self.absolute_url_for(&crate::endpoints::DeviceCodeLink::default())
+    }
+
+    /// OAuth 2.0 device code link full URL
+    #[must_use]
+    pub fn device_code_link_full(&self, code: String) -> Url {
+        self.absolute_url_for(&crate::endpoints::DeviceCodeLink::with_code(code))
+    }
+
     // OIDC userinfo endpoint
     #[must_use]
     pub fn oidc_userinfo_endpoint(&self) -> Url {