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Fix UDM-SE authentication error by skipping meta.rc check for auth endpoint

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The authentication endpoint /api/auth/login returns HTTP 200 with a different
JSON response format than data endpoints. UDM-SE (UniFi OS) does not include
the meta.rc field in authentication responses, causing false authentication
failures.

Changes:
- Added skip_meta_check parameter to _request_json() method
- Updated _login() to skip meta.rc validation for auth endpoint
- Added debug logging to show actual API responses for troubleshooting

Fixes authentication error: "UniFi API error: Unknown error"

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
Mike Geppert 2026-01-04 06:12:39 -06:00
parent d42fd83d5d
commit c157595ee3
1 changed files with 25 additions and 18 deletions
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17
unifi_client.py
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@ -48,7 +48,7 @@ class UnifiClient:
self._login()
def _request_json(self, endpoint: str, method: str = 'GET',
data: Optional[dict] = None) -> dict:
data: Optional[dict] = None, skip_meta_check: bool = False) -> dict:
"""
Make a request to the UniFi API and return JSON response.
@ -56,6 +56,7 @@ class UnifiClient:
endpoint: API endpoint path
method: HTTP method (GET, POST, etc.)
data: Optional data for POST requests
skip_meta_check: Skip meta.rc validation (for auth endpoints)
Returns:
dict: JSON response
@ -80,10 +81,13 @@ class UnifiClient:
except ValueError:
raise UniFiDataError(f"Invalid JSON response from {endpoint}")
# Check for UniFi API error response
if isinstance(json_response, dict):
self.logger.debug(f"Response from {endpoint}: {json_response}")
# Check for UniFi API error response (skip for authentication endpoints)
if not skip_meta_check and isinstance(json_response, dict):
if json_response.get('meta', {}).get('rc') != 'ok':
error_msg = json_response.get('meta', {}).get('msg', 'Unknown error')
self.logger.debug(f"Meta check failed. Response: {json_response}")
raise UniFiDataError(f"UniFi API error: {error_msg}")
return json_response
@ -105,8 +109,11 @@ class UnifiClient:
}
try:
response = self._request_json('/api/auth/login', method='POST', data=login_data)
self.logger.debug("Successfully authenticated with UniFi controller")
# Skip meta.rc check for auth endpoint - UDM-SE uses different response format
response = self._request_json('/api/auth/login', method='POST',
data=login_data, skip_meta_check=True)
self.logger.debug(f"Successfully authenticated with UniFi controller")
self.logger.debug(f"Authentication response: {response}")
except UniFiDataError as e:
self.logger.error(f"Authentication failed: {e}")