feat(auth): validate token

4 files changed, 64 insertions, 10 deletions

diff --git a/crates/auth/src/server/grpc.rs b/crates/auth/src/server/grpc.rs
new file mode 100644
index 0000000..0fd775b
--- /dev/null
+++ b/crates/auth/src/server/grpc.rs
@@ -0,0 +1,2 @@
+pub mod auth;
+pub mod interceptor;
diff --git a/crates/auth/src/server/grpc/auth.rs b/crates/auth/src/server/grpc/auth.rs
new file mode 100644
index 0000000..fb00291
--- /dev/null
+++ b/crates/auth/src/server/grpc/auth.rs
@@ -0,0 +1,50 @@
+use std::str::FromStr;
+
+use jsonwebtoken::DecodingKey;
+use sellershut_core::auth::{ValidationRequest, ValidationResponse, auth_server::Auth};
+use tonic::{Request, Response, Status, async_trait};
+use tower_sessions::{SessionStore, session::Id};
+use tracing::warn;
+
+use crate::{auth::Claims, state::AppHandle};
+
+#[async_trait]
+impl Auth for AppHandle {
+    async fn validate_auth_token(
+        &self,
+        request: Request<ValidationRequest>,
+    ) -> Result<Response<ValidationResponse>, Status> {
+        let token = request.into_inner().token;
+
+        let token = jsonwebtoken::decode::<Claims>(
+            &token,
+            &DecodingKey::from_secret(self.local_config.oauth.jwt_encoding_key.as_bytes()),
+            &jsonwebtoken::Validation::default(),
+        );
+
+        match token {
+            Ok(value) => {
+                let session_id = value.claims.sid;
+                let store = &self.session_store;
+                match Id::from_str(&session_id) {
+                    Ok(ref id) => {
+                        if let Ok(Some(_)) = store.load(id).await {
+                            return Ok(Response::new(ValidationResponse { valid: true }));
+                        } else {
+                            return Ok(Response::new(Default::default()));
+                        }
+                    }
+                    Err(e) => {
+                        warn!("{e}");
+
+                        return Ok(Response::new(Default::default()));
+                    }
+                }
+            }
+            Err(e) => {
+                warn!("{e}");
+                Ok(Response::new(ValidationResponse::default()))
+            }
+        }
+    }
+}
diff --git a/crates/auth/src/server/grpc/interceptor.rs b/crates/auth/src/server/grpc/interceptor.rs
new file mode 100644
index 0000000..6fbe7fa
--- /dev/null
+++ b/crates/auth/src/server/grpc/interceptor.rs
@@ -0,0 +1,11 @@
+use tonic::{Status, service::Interceptor};
+use tracing::Span;
+
+#[derive(Clone, Copy)]
+pub struct MyInterceptor;
+
+impl Interceptor for MyInterceptor {
+    fn call(&mut self, request: tonic::Request<()>) -> Result<tonic::Request<()>, Status> {
+        Ok(request)
+    }
+}
diff --git a/crates/auth/src/server/routes/authorised.rs b/crates/auth/src/server/routes/authorised.rs
index 27f02bc..50fcfc8 100644
--- a/crates/auth/src/server/routes/authorised.rs
+++ b/crates/auth/src/server/routes/authorised.rs
@@ -19,6 +19,7 @@ use tower_sessions::{
 use uuid::Uuid;
 
 use crate::{
+    auth::Claims,
     error::AppError,
     server::{
         OAUTH_CSRF_COOKIE, csrf_token_validation::csrf_token_validation_workflow, routes::Provider,
@@ -55,16 +56,6 @@ struct DbUser {
 const SESSION_COOKIE: &str = "info";
 const SESSION_DATA_KEY: &str = "data";
 
-#[derive(Debug, Serialize, Deserialize)]
-struct Claims {
-    iss: String,
-    sub: Uuid,
-    exp: i64,
-    iat: i64,
-    sid: String,
-    aud: String,
-}
-
 pub async fn login_authorised(
     Query(query): Query<AuthRequest>,
     State(state): State<AppHandle>,