Create app.py

app.py

@@ -0,0 +1,29 @@
+from fastapi import FastAPI, Header, HTTPException
+from fastapi.middleware.cors import CORSMiddleware
+import json, os
+
+app = FastAPI()
+app.add_middleware(CORSMiddleware, allow_origins=["*"], allow_methods=["*"], allow_headers=["*"])
+
+DATA_FILE = "/data/billdata.json"
+API_KEY = os.environ.get("API_KEY", "changeme")
+
+os.makedirs("/data", exist_ok=True)
+
+def auth(key):
+    if key != API_KEY:
+        raise HTTPException(401, "bad key")
+
+@app.get("/data")
+def getData(x_api_key: str = Header()):
+    auth(x_api_key)
+    if not os.path.exists(DATA_FILE):
+        return {"providers": [], "receivers": [], "settings": {}}
+    return json.loads(open(DATA_FILE).read())
+
+@app.post("/data")
+def saveData(body: dict, x_api_key: str = Header()):
+    auth(x_api_key)
+    with open(DATA_FILE, "w") as f:
+        json.dump(body, f)
+    return {"status": "ok"}