47 lines
1.7 KiB
Python
47 lines
1.7 KiB
Python
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import json
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import logging
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from fastapi import APIRouter, Request, HTTPException, Query
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from fastapi.responses import PlainTextResponse, JSONResponse
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logger = logging.getLogger(__name__)
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def create_webhook_router(plugin) -> APIRouter:
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router = APIRouter(prefix="/api/channel/whatsapp", tags=["whatsapp"])
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@router.get("/webhook")
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async def verify_webhook(
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hub_mode: str = Query(None, alias="hub.mode"),
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hub_challenge: str = Query(None, alias="hub.challenge"),
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hub_verify_token: str = Query(None, alias="hub.verify_token"),
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):
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account = await plugin.config_adapter.resolve_account("default")
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verify_token = account.get("verify_token", "")
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if not verify_token:
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raise HTTPException(status_code=500, detail="verify_token not configured")
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if hub_mode == "subscribe" and hub_verify_token == verify_token:
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logger.info("WhatsApp webhook verified successfully")
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return PlainTextResponse(hub_challenge or "", status_code=200)
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logger.warning("WhatsApp webhook verification failed: token mismatch")
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raise HTTPException(status_code=403, detail="Verification failed")
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@router.post("/webhook")
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async def receive_webhook(request: Request):
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body = await request.body()
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headers = request.headers
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if not plugin.verify_signature(body, headers):
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logger.warning("WhatsApp webhook signature verification failed")
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raise HTTPException(status_code=403, detail="Invalid signature")
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payload = json.loads(body)
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logger.debug("WhatsApp webhook received: %s", json.dumps(payload, indent=2))
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await plugin.handle_webhook(payload)
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return JSONResponse({"status": "ok"})
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return router
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