feat: Webhooks (Aufgaben 6-10) — webhook.py, worker.py, Flask-App, WhatsApp + Telegram Routes + Tests

2026-06-22 07:58:25 +00:00
parent 6f7c5eada2
commit 56b02c1c2d
11 changed files with 629 additions and 0 deletions
@@ -0,0 +1,36 @@
+"""Flask-Blueprint für WhatsApp-Webhook-Endpunkt."""
+
+from flask import Blueprint, request, jsonify
+
+from src.queue.webhook import verify_whatsapp_signature
+from src.models.submission import Submission
+
+whatsapp_bp = Blueprint("whatsapp", __name__)
+
+
+@whatsapp_bp.route("/webhook/whatsapp", methods=["GET", "POST"])
+def whatsapp_webhook() -> tuple:
+    """WhatsApp Webhook-Endpunkt.
+
+    GET = Verifikation (Hub Challenge)
+    POST = Eingehende Nachricht mit Signaturprüfung
+    """
+    # GET = Verifikation (Hub Challenge)
+    if request.method == "GET":
+        mode = request.args.get("hub.mode")
+        token = request.args.get("hub.verify_token")
+        challenge = request.args.get("hub.challenge")
+        if mode == "subscribe" and token == "bsn_verify_token":
+            return challenge, 200
+        return "Verification failed", 403
+
+    # POST = Eingehende Nachricht
+    signature = request.headers.get("X-Hub-Signature-256", "")
+    payload = request.get_data()
+
+    if not verify_whatsapp_signature(payload, signature):
+        return jsonify({"error": "Invalid signature"}), 401
+
+    # Hier würde die Submission in die Queue eingereiht werden
+    # qh = current_app.queue_handler
+    return jsonify({"status": "accepted"}), 200