{
  "id": "python/starlette-websocket-handshake-403",
  "signature": "websockets.exceptions.InvalidStatusCode: server rejected WebSocket connection: HTTP 403",
  "signature_zh": "websockets.exceptions.InvalidStatusCode: 服务器拒绝 WebSocket 连接：HTTP 403",
  "regex": "websockets\\.exceptions\\.InvalidStatusCode:\\ server\\ rejected\\ WebSocket\\ connection:\\ HTTP\\ 403",
  "domain": "python",
  "category": "auth_error",
  "subcategory": null,
  "root_cause": "The WebSocket route raised before accept(), or an auth dependency returned a non-101 response, causing the handshake to be rejected.",
  "root_cause_type": "generic",
  "root_cause_zh": "WebSocket 路由在 accept() 之前抛出异常，或认证依赖返回了非 101 响应，导致握手被拒绝。",
  "versions": [
    {
      "version": "3.x",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "",
      "why_fails": "Server keeps rejecting; retries never succeed.",
      "fail_rate": 0.85,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "Security regression; not acceptable in production.",
      "fail_rate": 0.6,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "",
      "success_rate": 0.88,
      "how": "Accept first then validate: await websocket.accept(); if not token_ok: await websocket.close(code=1008)",
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "success_rate": 0.9,
      "how": "Pass token as query param: /ws?token=... and verify before accept",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": null,
  "official_doc_section": null,
  "error_code": null,
  "verification_tier": "ai_generated",
  "confidence": 0.84,
  "fix_success_rate": 0.8,
  "resolvable": "true",
  "first_seen": "2024-10-21",
  "last_confirmed": "2025-01-01",
  "last_updated": "2025-01-01",
  "evidence_count": 0,
  "tags": [],
  "locale": "en",
  "aliases": []
}