Include require auth middleware and login route

apps/api/src/middlewares/request_info.rs

@@ -0,0 +1,6 @@
+use uuid::Uuid;
+
+#[derive(Clone, Debug)]
+pub struct RequestInfo {
+    pub user_id: Option<Uuid>,
+}

apps/api/src/middlewares/require_auth.rs

@@ -0,0 +1,68 @@
+use std::sync::Arc;
+
+use axum::{
+    extract::State,
+    http::{Request, StatusCode},
+    middleware::Next,
+    response::Response,
+};
+use axum_extra::extract::cookie::CookieJar;
+use uuid::Uuid;
+
+use crate::{
+    errors::service_error::ServiceError, helpers::constants::JWT_COOKIE_NAME,
+    middlewares::request_info::RequestInfo, routes::AppState,
+};
+
+pub async fn require_auth(
+    cookies: CookieJar,
+    State(state): State<Arc<AppState>>,
+    req: Request<axum::body::Body>,
+    next: Next,
+) -> Result<Response, StatusCode> {
+    // get jwt from cookies
+    let auth_service = &state.service.auth_state.authentication;
+    let token = if let Some(cookie) = cookies.get(JWT_COOKIE_NAME) {
+        cookie.value().to_string()
+    } else {
+        return handle_unauthenticated().await;
+    };
+
+    // validate jwt
+    let is_valid = auth_service.is_valid_jwt(&token, None).await;
+    let user_id = match is_valid {
+        Ok(Some(claims)) => claims
+            .sub
+            .parse::<Uuid>()
+            .map_err(|_| StatusCode::UNAUTHORIZED)?,
+        Ok(None) => return handle_unauthenticated().await,
+        Err(err) => {
+            tracing::error!("Error validating JWT: {}", err);
+            return Err(StatusCode::INTERNAL_SERVER_ERROR);
+        }
+    };
+
+    // ensure user exists
+    if let Err(err) = state.service.user.get_user_by_id(user_id, None).await {
+        match err {
+            ServiceError::NotFound(_) => return handle_unauthenticated().await,
+            _ => {
+                tracing::error!("Error fetching user by ID: {}", err);
+                return Err(StatusCode::INTERNAL_SERVER_ERROR);
+            }
+        }
+    }
+
+    let mut req = req;
+    let user = req
+        .extensions_mut()
+        .get_or_insert_with(|| RequestInfo { user_id: None });
+    user.user_id = Some(user_id);
+
+    Ok(next.run(req).await)
+}
+
+async fn handle_unauthenticated() -> Result<Response, StatusCode> {
+    // TODO: log unauthenticated access attempts
+    Err(StatusCode::UNAUTHORIZED)
+}