added credentials

.gitignore

@@ -5,5 +5,7 @@ __pycache__/
 .venv
 venv/
 serviceAccountKey.json
-facematch.db
+facematch.db*
+credentials.json
+user_credentials.json
 *.DS_Store

main.py

@@ -289,12 +289,15 @@ def get_drive_service():
     creds_data = None
     
     if creds_json:
-        creds_data = json.loads(creds_json)
+        creds_data = json.load(io.StringIO(creds_json)) if not isinstance(creds_json, dict) else creds_json
+        logger.info("Loaded Google Drive credentials from GOOGLE_USER_CREDENTIALS environment variable")
     elif os.path.exists('user_credentials.json'):
         with open('user_credentials.json', 'r') as f:
             creds_data = json.load(f)
+            logger.info("Loaded Google Drive credentials from local user_credentials.json")
             
     if not creds_data:
+        logger.error("No Google Drive credentials found! Please set GOOGLE_USER_CREDENTIALS or provide user_credentials.json")
         raise Exception("No Google Credentials found (ENV or user_credentials.json)")
         
     creds = Credentials.from_authorized_user_info(creds_data, GOOGLE_DRIVE_SCOPES)
@@ -304,7 +307,7 @@ def get_drive_service():
             creds.refresh(GoogleRequest())
         except Exception as e:
             logger.error(f"Failed to refresh Google Token: {e}. The token might be expired or revoked.")
-            raise Exception("Google Drive Token Expired. Please run 'python generate_token.py' to re-authenticate.")
+            raise Exception("Google Drive Token Expired. Please run 'python3 generate_token.py' to re-authenticate.")
         
     return build('drive', 'v3', credentials=creds, cache_discovery=False)
 
@@ -572,8 +575,11 @@ def get_status(uid: str, background_tasks: BackgroundTasks):
     }
 
 @app.get("/folders")
-def get_folders(uid: str):
+def get_folders(uid: Optional[str] = None):
     """Returns a list of indexed folders accessible to the user (owned, shared, or public)"""
+    if not uid:
+        return {"collections": []}
+    
     collections_ref = db_firestore.collection('collections')
     
     # We want (owner_id == uid) OR (shared_with contains uid) OR (is_public == True)