feat: check-token endpoint to verify token validity

src/main.rs

@@ -187,6 +187,7 @@ async fn run_server(db: Arc<DatabaseConnection>) {
         // Authentication
         .route_layer(middleware::from_fn_with_state(shared_state.clone(), routes::auth::auth_middleware))
         .routes(routes!(routes::auth::auth))
+        .routes(routes!(routes::auth::check_token))
 
         .route("/", get(index))
         .with_state(shared_state)

src/routes/auth.rs

@@ -57,6 +57,30 @@ pub async fn auth(State(state): State<Arc<AppState>>, Json(payload): Json<AuthPa
     }
 }
 
+#[derive(Deserialize, utoipa::ToSchema)]
+pub struct TokenPayload {
+    token: String
+}
+
+#[axum::debug_handler]
+#[utoipa::path(
+    post,
+    path = "/token-check",
+    request_body = TokenPayload,
+    responses(
+        (status = OK, body = bool, description = "")
+    ),
+    summary = "Check if specified token is valid",
+    tag = "auth-api",
+)]
+pub async fn check_token(Json(payload): Json<TokenPayload>) -> Json<bool> {
+    let token_data = decode::<Claims>(&payload.token, &KEYS.decoding, &Validation::default());
+    match token_data {
+        Ok(_claims) => Json(true),
+        Err(_) => Json(false)
+    }
+}
+
 impl AuthBody {
     fn new(access_token: String) -> Self {
         Self {