fix: Authentication Not Enforced, Resulting in Identity Provider Errors

src/frontend/src/api/api.ts

@@ -17,14 +17,34 @@ export async function conversationApi (options: ConversationRequest, abortSignal
 }
 
 export async function getUserInfo (): Promise<UserInfo[]> {
-  const response = await fetch('/.auth/me')
-  if (!response.ok) {
-    console.log('No identity provider found. Access to chat will be blocked.')
-    return []
+  try {
+    const response = await fetch('/.auth/me');
+    if (!response.ok) {
+      console.log('No identity provider found. Access to chat will be blocked.');
+      return [];
+    }
+
+    const payload = await response.json();
+
+    if (payload && payload.length > 0) {
+      const userInfo: UserInfo = {
+        access_token: payload[0].access_token || '',
+        expires_on: payload[0].expires_on || '',
+        id_token: payload[0].id_token || '',
+        provider_name: payload[0].provider_name || '',
+        user_claims: payload[0].user_claims || [],
+        user_id: payload[0].user_claims?.find((claim: any) => 
+          claim.typ === 'http://schemas.microsoft.com/identity/claims/objectidentifier'
+        )?.val || payload[0].user_id || ''
+      };
+      return [userInfo];
+    }
+
+    return payload;
+  } catch (e) {
+    console.error('Error fetching user info:', e);
+    return [];
   }
-
-  const payload = await response.json()
-  return payload
 }
 
 export const frontendSettings = async (): Promise<Response | null> => {