2569718930@qq.com
777b7465b7
- sse_router: 显式加 Access-Control-Allow-Origin + Allow-Credentials，新增 OPTIONS - use-sse-patches: CORS 失败自动切 BFF 代理降级
49 lines
1.6 KiB
Python
49 lines
1.6 KiB
Python
"""SSE endpoints for live terminal patch delivery."""
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from __future__ import annotations
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from typing import Any
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from fastapi import APIRouter, HTTPException, Request
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from fastapi.responses import StreamingResponse
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from web.sse_manager import sse_manager
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router = APIRouter(tags=["events"])
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@router.options("/api/events")
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async def sse_events_preflight(request: Request):
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return {"ok": True}
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@router.get("/api/events")
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async def sse_events(request: Request):
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user_id = getattr(request.state, "auth_user_id", None) or "anon"
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origin = request.headers.get("origin", "")
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allowed = origin in {"https://polyweather.top", "https://www.polyweather.top", "http://localhost:3000"}
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return StreamingResponse(
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sse_manager.event_stream(user_id),
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media_type="text/event-stream",
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headers={
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"Cache-Control": "no-cache, no-transform",
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"Connection": "keep-alive",
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"X-Accel-Buffering": "no",
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"Access-Control-Allow-Origin": origin if allowed else "https://polyweather.top",
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"Access-Control-Allow-Credentials": "true",
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},
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)
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@router.post("/api/internal/collector-patch")
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async def ingest_patch(patch: dict[str, Any]):
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city = str(patch.get("city") or "").strip().lower()
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changes = patch.get("changes")
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if not city:
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raise HTTPException(status_code=400, detail="city is required")
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if not isinstance(changes, dict):
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raise HTTPException(status_code=400, detail="changes must be an object")
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event = sse_manager.broadcast(city, changes)
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return {"ok": True, "revision": event["revision"]}
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