feat: initial commit

portal-api/Dockerfile

@@ -0,0 +1,11 @@
+FROM python:3.12-alpine
+
+WORKDIR /app
+
+RUN pip install --no-cache-dir segno==1.6.6
+
+COPY app.py /app/app.py
+
+EXPOSE 8081
+
+CMD ["python", "/app/app.py"]

portal-api/app.py

@@ -0,0 +1,102 @@
+import io
+import os
+import urllib.request
+from http.server import BaseHTTPRequestHandler, HTTPServer
+
+import segno
+
+
+HOST = "0.0.0.0"
+PORT = 8081
+
+HA_BASE = os.getenv("HA_BASE_URL", "http://192.168.0.26:8123").rstrip("/")
+WEBHOOK_ON = os.getenv("HA_WEBHOOK_ON", "guest_light_on_hc_2026_a9f")
+WEBHOOK_OFF = os.getenv("HA_WEBHOOK_OFF", "guest_light_off_hc_2026_b4d")
+
+WIFI_SSID = os.getenv("WIFI_SSID", "Zapadna")
+WIFI_PASS = os.getenv("WIFI_PASS", "CHANGE_ME")
+PORTAL_BASE_URL = os.getenv("PORTAL_BASE_URL", "http://192.168.0.26:8090").rstrip("/")
+
+
+def _svg_bytes(payload: str) -> bytes:
+    qr = segno.make(payload)
+    buff = io.BytesIO()
+    qr.save(buff, kind="svg", scale=6)
+    return buff.getvalue()
+
+
+def _call_webhook(webhook_id: str) -> bool:
+    req = urllib.request.Request(
+        f"{HA_BASE}/api/webhook/{webhook_id}",
+        method="POST",
+        data=b"",
+    )
+    try:
+        with urllib.request.urlopen(req, timeout=4) as res:
+            return 200 <= res.status < 300
+    except Exception:
+        return False
+
+
+class Handler(BaseHTTPRequestHandler):
+    def do_GET(self):
+        if self.path == "/qr/wifi.svg":
+            payload = f"WIFI:T:WPA;S:{WIFI_SSID};P:{WIFI_PASS};;"
+            data = _svg_bytes(payload)
+            self.send_response(200)
+            self.send_header("Content-Type", "image/svg+xml")
+            self.send_header("Cache-Control", "public, max-age=300")
+            self.end_headers()
+            self.wfile.write(data)
+            return
+
+        if self.path == "/qr/portal.svg":
+            data = _svg_bytes(f"{PORTAL_BASE_URL}/index.html")
+            self.send_response(200)
+            self.send_header("Content-Type", "image/svg+xml")
+            self.send_header("Cache-Control", "public, max-age=300")
+            self.end_headers()
+            self.wfile.write(data)
+            return
+
+        if self.path == "/qr/bojana.svg":
+            data = _svg_bytes(f"{PORTAL_BASE_URL}/bojana.html")
+            self.send_response(200)
+            self.send_header("Content-Type", "image/svg+xml")
+            self.send_header("Cache-Control", "public, max-age=300")
+            self.end_headers()
+            self.wfile.write(data)
+            return
+
+        if self.path == "/healthz":
+            self.send_response(200)
+            self.send_header("Content-Type", "text/plain; charset=utf-8")
+            self.end_headers()
+            self.wfile.write(b"ok")
+            return
+
+        self.send_response(404)
+        self.end_headers()
+
+    def do_POST(self):
+        if self.path in ("/api/light/on", "/light/on"):
+            ok = _call_webhook(WEBHOOK_ON)
+            self.send_response(204 if ok else 502)
+            self.end_headers()
+            return
+
+        if self.path in ("/api/light/off", "/light/off"):
+            ok = _call_webhook(WEBHOOK_OFF)
+            self.send_response(204 if ok else 502)
+            self.end_headers()
+            return
+
+        self.send_response(404)
+        self.end_headers()
+
+    def log_message(self, *_):
+        return
+
+
+if __name__ == "__main__":
+    HTTPServer((HOST, PORT), Handler).serve_forever()