[api2] Clarify 403 error message

seahub/api2/utils.py

@@ -0,0 +1,30 @@
+# Utility functions for api2
+
+from seaserv import seafile_api
+
+def is_repo_writable(repo_id, username):
+    """Check whether a user has write permission to a repo.
+    
+    Arguments:
+    - `repo_id`:
+    - `username`:
+    """
+    if seafile_api.check_repo_access_permission(repo_id, username) == 'rw':
+        return True
+    else:
+        return False
+
+def is_repo_accessible(repo_id, username):
+    """Check whether a user can read or write to a repo.
+    
+    Arguments:
+    - `repo_id`:
+    - `username`:
+    """
+    if seafile_api.check_repo_access_permission(repo_id, username) is None:
+        return False
+    else:
+        return True
+    
+    
+