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Communication Webhooks - Receive and process incoming events from messaging platforms.
"""
import json
import logging
import os
from typing import Any, Dict
from fastapi import APIRouter, Header, Request, BackgroundTasks, Query
from core.communication_service import communication_service
logger = logging.getLogger(__name__)
router = APIRouter(prefix="/api/webhooks", tags=["webhooks"])
@router.post("/slack")
async def slack_webhook(
request: Request,
background_tasks: BackgroundTasks,
x_slack_signature: str = Header(None),
x_slack_request_timestamp: str = Header(None)
):
"""
Handle Slack Events and Interactivity (Button Clicks).
"""
body = await request.body()
form_data = await request.form()
adapter = communication_service.get_adapter("slack")
# 1. Handle Interactivity (Button Clicks)
if "payload" in form_data:
payload = json.loads(form_data["payload"])
logger.info(f"Received Slack interactivity payload: {payload.get('type')}")
normalized = adapter.normalize_payload(payload)
if not normalized:
return {"status": "ignored"}
# Dispatch to CommunicationService
return await communication_service.handle_incoming_message(
source="slack",
payload=normalized,
background_tasks=background_tasks
)
# 2. Handle Events (Message mentions, etc.)
try:
data = json.loads(body)
except json.JSONDecodeError:
return {"status": "error", "message": "Invalid JSON"}
# Slack URL Verification (Challenge)
if data.get("type") == "url_verification":
return {"challenge": data.get("challenge")}
# Verify Signature
if not await adapter.verify_request(request, body):
logger.warning("Slack signature verification failed")
return {"status": "error", "message": "Signature mismatch"}
logger.info(f"Received Slack event: {data.get('type')}")
normalized = adapter.normalize_payload(data)
if not normalized:
return {"status": "ignored"}
return await communication_service.handle_incoming_message(
source="slack",
payload=normalized,
background_tasks=background_tasks
)
@router.post("/discord")
async def discord_webhook(
request: Request,
background_tasks: BackgroundTasks,
x_signature_ed25519: str = Header(None),
x_signature_timestamp: str = Header(None)
):
"""
Handle Discord Interactions (Buttons, Commands).
"""
body = await request.body()
adapter = communication_service.get_adapter("discord")
# 1. Verify Signature
if not await adapter.verify_request(request, body):
logger.warning("Discord signature verification failed")
return {"status": "error", "message": "Signature mismatch"}
try:
data = json.loads(body)
except json.JSONDecodeError:
return {"status": "error", "message": "Invalid JSON"}
logger.info(f"Received Discord interaction: {data.get('type')}")
normalized = adapter.normalize_payload(data)
if not normalized:
return {"status": "ignored"}
# Support Discord PING/PONG challenge in normalization
if normalized.get("type") == "challenge":
return normalized.get("response")
return await communication_service.handle_incoming_message(
source="discord",
payload=normalized,
background_tasks=background_tasks
)
@router.get("/whatsapp")
async def whatsapp_verify(
request: Request,
hub_mode: str = Query(None, alias="hub.mode"),
hub_challenge: str = Query(None, alias="hub.challenge"),
hub_verify_token: str = Query(None, alias="hub.verify_token")
):
"""Handle Meta/WhatsApp Webhook Verification (Handshake)"""
verify_token = os.getenv("WHATSAPP_VERIFY_TOKEN")
if hub_mode == "subscribe" and hub_verify_token == verify_token:
logger.info("WhatsApp webhook verified successfully")
return int(hub_challenge)
logger.warning("WhatsApp webhook verification failed")
return {"status": "error", "message": "Verification failed"}
@router.post("/whatsapp")
async def whatsapp_webhook(
request: Request,
background_tasks: BackgroundTasks,
x_hub_signature_256: str = Header(None)
):
"""Handle WhatsApp Message Events and Interactivity"""
body = await request.body()
# 1. Verify Signature
adapter = communication_service.get_adapter("whatsapp")
if not await adapter.verify_request(request, body):
logger.warning("WhatsApp signature verification failed")
return {"status": "error", "message": "Signature mismatch"}
try:
data = json.loads(body)
except json.JSONDecodeError:
return {"status": "error", "message": "Invalid JSON"}
logger.info("Received WhatsApp webhook event")
normalized = adapter.normalize_payload(data)
if not normalized:
return {"status": "ignored"}
return await communication_service.handle_incoming_message(
source="whatsapp",
payload=normalized,
background_tasks=background_tasks
)
@router.post("/telegram")
async def telegram_webhook(
request: Request,
background_tasks: BackgroundTasks,
x_telegram_bot_api_secret_token: str = Header(None)
):
"""Handle Telegram Message Events"""
body = await request.body()
adapter = communication_service.get_adapter("telegram")
# 1. Verify Signature
if not await adapter.verify_request(request, body):
logger.warning("Telegram verification failed")
return {"status": "error", "message": "Verification failed"}
try:
data = json.loads(body)
except json.JSONDecodeError:
return {"status": "error", "message": "Invalid JSON"}
logger.info("Received Telegram webhook event")
normalized = await adapter.normalize_payload(request, body)
if not normalized:
return {"status": "ignored"}
return await communication_service.handle_incoming_message(
source="telegram",
payload=normalized,
background_tasks=background_tasks
)
@router.post("/teams")
async def teams_webhook(
request: Request,
background_tasks: BackgroundTasks,
authorization: str = Header(None)
):
"""Handle Microsoft Teams Interactions"""
body = await request.body()
adapter = communication_service.get_adapter("teams")
# 1. Verify Signature
if not await adapter.verify_request(request, body):
logger.warning("Teams verification failed")
return {"status": "error", "message": "Verification failed"}
try:
data = json.loads(body)
except json.JSONDecodeError:
return {"status": "error", "message": "Invalid JSON"}
logger.info("Received Teams webhook event")
normalized = await adapter.normalize_payload(request, body)
if not normalized:
return {"status": "ignored"}
return await communication_service.handle_incoming_message(
source="teams",
payload=normalized,
background_tasks=background_tasks
)
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