{"record":{"id":"b6f120b3b0095021","repo":"unslothai/unsloth","slug":"could-not-reach-chatgpt-authentication","errorCode":null,"errorMessage":"Could not reach ChatGPT authentication.","messagePattern":"Could not reach ChatGPT authentication\\.","errorType":"exception","errorClass":"CodexAuthError","httpStatus":400,"severity":"error","filePath":"studio/backend/core/inference/openai_codex_auth.py","lineNumber":265,"sourceCode":"\n\ndef auth_status(provider_id: str) -> str:\n    bundle = load_oauth_bundle(provider_id)\n    if not bundle:\n        return \"disconnected\"\n    # An expired access token is still usable after refresh. Only a permanent\n    # refresh rejection should ask the user to reconnect.\n    return \"reauthorization_required\" if bundle.get(\"reauthorization_required\") else \"connected\"\n\n\nasync def _token_request(data: dict[str, Any]) -> dict[str, Any]:\n    try:\n        async with httpx.AsyncClient(\n            timeout = 30.0, follow_redirects = False, trust_env = False\n        ) as client:\n            response = await client.post(OPENAI_CODEX_TOKEN_URL, data = data)\n    except httpx.HTTPError as exc:\n        raise CodexAuthError(\"Could not reach ChatGPT authentication.\") from exc\n    if response.status_code >= 400:\n        error_code = \"\"\n        try:\n            error = response.json().get(\"error\")\n            error_code = error.get(\"code\", \"\") if isinstance(error, dict) else str(error or \"\")\n        except Exception:\n            pass\n        if data.get(\"grant_type\") == \"refresh_token\" and error_code in {\n            \"invalid_grant\",\n            \"invalid_refresh_token\",\n            \"refresh_token_expired\",\n        }:\n            raise CodexReauthorizationRequired(\n                \"ChatGPT authorization is no longer valid. Please reconnect.\"\n            )\n        raise CodexAuthError(\"ChatGPT authorization failed. Please reconnect.\")\n    try:\n        return response.json()","sourceCodeStart":247,"sourceCodeEnd":283,"githubUrl":"https://github.com/unslothai/unsloth/blob/203007d19051dcd2ae33876786d117c99f6b0368/studio/backend/core/inference/openai_codex_auth.py#L247-L283","documentation":"CodexAuthError raised by _token_request when POSTing to OPENAI_CODEX_TOKEN_URL raises an httpx.HTTPError — connect failure, timeout (client timeout is 30s), TLS error, etc. The client is configured with follow_redirects=False and trust_env=False, so it deliberately ignores proxy env vars; environments that require an egress proxy will fail to reach the auth host directly.","triggerScenarios":"Any network-level failure hitting the token endpoint: DNS resolution failure, connection refused, 30s timeout, TLS certificate error. Because trust_env=False, HTTP(S)_PROXY/ALL_PROXY settings are ignored — direct connectivity to auth.openai.com is required.","commonSituations":"Corporate proxy environments where direct egress is blocked; transient internet outages; DNS issues; firewall blocking the auth domain; slow networks exceeding the 30s timeout.","solutions":["Check basic connectivity: curl -sS https://auth.openai.com (or the configured token URL) from the same host/container.","If a proxy is mandatory, ensure the deployment actually allows direct egress to the auth domain, since httpx here ignores proxy env vars by design (trust_env=False).","Retry with backoff for transient timeouts/outages; a persistent failure indicates firewall/DNS, not the app."],"exampleFix":"# before: proxied env, no direct egress\nbundle = await _token_request(data)  # httpx.HTTPError -> CodexAuthError\n\n# after: allow direct egress to the auth host (firewall/proxy exception), then\nbundle = await _token_request(data)","handlingStrategy":"retry","validationCode":"async def auth_endpoint_reachable(timeout: float = 5.0) -> bool:\n    try:\n        async with httpx.AsyncClient(timeout=timeout, trust_env=False) as c:\n            await c.get(OPENAI_CODEX_TOKEN_URL)\n        return True\n    except httpx.HTTPError:\n        return False","typeGuard":null,"tryCatchPattern":"for attempt in range(3):\n    try:\n        return await _token_request(data)\n    except CodexAuthError as e:\n        if 'Could not reach' in str(e) and attempt < 2:\n            await asyncio.sleep(2 ** attempt)\n            continue\n        raise","preventionTips":["Remember the auth client ignores proxy env vars (trust_env=False) — guarantee direct egress to the auth domain.","Add a startup connectivity check to the token URL and surface the result in health status.","Retry with exponential backoff; persistent failure points to firewall/DNS, not application logic."],"tags":["oauth","network","proxy","timeout","codex"],"backgroundTag":null,"analyzedSha":"203007d19051dcd2ae33876786d117c99f6b0368","analyzedAt":"2026-08-15T02:48:39.846Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}