From c6f9711fe6a68ed03f62370aafd4b6125b64c263 Mon Sep 17 00:00:00 2001
From: Thies Mueller <git@td00.de>
Date: Fri, 12 Jun 2026 17:10:59 +0200
Subject: [PATCH] initial commit

---
 .gitignore          |   1 +
 README.md           |  41 +++++++++++
 app.py              | 164 ++++++++++++++++++++++++++++++++++++++++++++
 config.example.yaml |  10 +++
 requirements.txt    |   4 ++
 5 files changed, 220 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 README.md
 create mode 100644 app.py
 create mode 100644 config.example.yaml
 create mode 100644 requirements.txt

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..a539470
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+config.yaml
\ No newline at end of file
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..6f709fd
--- /dev/null
+++ b/README.md
@@ -0,0 +1,41 @@
+
+## Beispiel Request
+
+```bash
+curl -X POST http://127.0.0.1:5501/notify \
+  -H "Authorization: Bearer super-secret-token" \
+  -H "Content-Type: application/json" \
+  -d '{
+    "type": "warning",
+    "title": "3. Lauf verschiebt sich",
+    "message": "Der 3. Lauf verschiebt sich um wenige Minuten."
+  }'
+```
+
+### API Call firebase
+
+```json
+{
+  "type": "info",
+  "title": "⚠️ 3. Lauf verschiebt sicht",
+  "message": "Der 3. Lauf verschiebt sich um wenige Minuten."
+}
+```
+
+#### API Call APNS2
+
+```json
+{
+  "severity": "warning",
+  "notification": "3. Lauf verschiebt sicht\nDer 3. Lauf verschiebt sich um wenige Minuten"
+}
+```
+
+# Ausführen
+
+```bash
+python3 -m venv .venv
+source .venv/bin/activate
+pip3 install -r requirements.txt
+python3 app.py
+```
\ No newline at end of file
diff --git a/app.py b/app.py
new file mode 100644
index 0000000..747e510
--- /dev/null
+++ b/app.py
@@ -0,0 +1,164 @@
+from flask import Flask, request, jsonify
+import requests
+import yaml
+
+app = Flask(__name__)
+
+with open("config.yaml", "r") as f:
+    config = yaml.safe_load(f)
+
+SERVER_TOKEN = config["server"]["bearer_token"]
+
+APNS2_CONFIG = config["apns2"]
+FIREBASE_CONFIG = config["firebase"]
+
+
+PREFIX_MAP = {
+    "warning": "⚠️ ",
+    "urgent": "❗️ ",
+    "danger": "‼️ ",
+}
+
+
+def check_auth(req):
+    auth = req.headers.get("Authorization", "")
+
+    if not auth.startswith("Bearer "):
+        return False
+
+    token = auth.replace("Bearer ", "", 1)
+
+    return token == SERVER_TOKEN
+
+
+def build_firebase_title(notification_type, title):
+    prefix = PREFIX_MAP.get(notification_type, "")
+    return f"{prefix}{title}"
+
+
+def send_to_apns2(notification_type, title, message):
+    payload = {
+        "severity": notification_type,
+        "notification": f"{title}\n{message}"
+    }
+
+    headers = {
+        "Authorization": f"Bearer {APNS2_CONFIG['bearer_token']}",
+        "Content-Type": "application/json"
+    }
+
+    response = requests.post(
+        APNS2_CONFIG["url"],
+        json=payload,
+        headers=headers,
+        timeout=10
+    )
+
+    return {
+        "status_code": response.status_code,
+        "body": response.text
+    }
+
+
+def send_to_firebase(notification_type, title, message):
+    firebase_title = build_firebase_title(notification_type, title)
+
+    payload = {
+        "type": "info",
+        "title": firebase_title,
+        "message": message
+    }
+
+    headers = {
+        "Authorization": f"Bearer {FIREBASE_CONFIG['bearer_token']}",
+        "Content-Type": "application/json"
+    }
+
+    response = requests.post(
+        FIREBASE_CONFIG["url"],
+        json=payload,
+        headers=headers,
+        timeout=10
+    )
+
+    return {
+        "status_code": response.status_code,
+        "body": response.text
+    }
+
+@app.route("/notify", methods=["POST"])
+def notify():
+    if not check_auth(request):
+        return jsonify({
+            "error": "Unauthorized"
+        }), 401
+
+    data = request.get_json(silent=True)
+
+    if not data:
+        return jsonify({
+            "error": "Invalid JSON"
+        }), 400
+
+    required_fields = ["type", "title", "message"]
+
+    for field in required_fields:
+        if field not in data:
+            return jsonify({
+                "error": f"Missing field: {field}"
+            }), 400
+
+    notification_type = data["type"]
+
+    allowed_types = ["info", "warning", "urgent", "danger"]
+
+    if notification_type not in allowed_types:
+        return jsonify({
+            "error": "Invalid type"
+        }), 400
+
+    title = data["title"]
+    message = data["message"]
+
+    results = {}
+
+    try:
+        apns_result = send_to_apns2(
+            notification_type,
+            title,
+            message
+        )
+
+        results["apns2"] = apns_result
+
+    except Exception as e:
+        results["apns2"] = {
+            "error": str(e)
+        }
+
+    try:
+        firebase_result = send_to_firebase(
+            notification_type,
+            title,
+            message
+        )
+
+        results["firebase"] = firebase_result
+
+    except Exception as e:
+        results["firebase"] = {
+            "error": str(e)
+        }
+
+    return jsonify({
+        "success": True,
+        "results": results
+    })
+
+
+if __name__ == "__main__":
+    app.run(
+        host="0.0.0.0",
+        port=5501,
+        debug=False
+    )
\ No newline at end of file
diff --git a/config.example.yaml b/config.example.yaml
new file mode 100644
index 0000000..0f583d9
--- /dev/null
+++ b/config.example.yaml
@@ -0,0 +1,10 @@
+server:
+  bearer_token: "super-secret-token"
+
+apns2:
+  url: "https://apns.example.com/api/customnotify"
+  bearer_token: "apns2-token"
+
+firebase:
+  url: "https://firebase.example.com/push"
+  bearer_token: "firebase-token"
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..2435e0d
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,4 @@
+Flask
+PyYAML
+requests
+gunicorn
\ No newline at end of file