deploy: secure weather caching

browser.py

@@ -803,7 +803,6 @@ def launch_chrome():
         "--disable-extensions",
         "--disable-gpu",
         "--disable-dev-shm-usage",
-        "--disable-web-security",
         "--allow-file-access-from-files",
         f"--user-data-dir={profile_dir}",
         f"--remote-debugging-port={CDP_PORT}",
@@ -827,9 +826,48 @@ if __name__ == "__main__":
     overlay = KioskOverlay(cdp)
     chrome_proc = launch_chrome()
 
+    def update_weather_cache():
+        """Fetch weather data in background via Python and cache as local JSON to bypass CORS securely."""
+        cache_file = _HOME / "kiosk-home" / "weather-data.json"
+        while True:
+            try:
+                # 1. Geolocation lookup
+                req = urllib.request.Request(
+                    "https://freeipapi.com/api/json",
+                    headers={"User-Agent": "Mozilla/5.0"}
+                )
+                geo_raw = urllib.request.urlopen(req, timeout=8).read()
+                geo = json.loads(geo_raw)
+                
+                loc_name = "Your Area"
+                if geo.get("cityName") and geo.get("regionName"):
+                    loc_name = f"{geo['cityName']}, {geo['regionName']}"
+                elif geo.get("cityName"):
+                    loc_name = geo["cityName"]
+                
+                lat, lon = geo.get("latitude"), geo.get("longitude")
+                if lat and lon:
+                    # 2. Weather forecast lookup
+                    url = f"https://api.open-meteo.com/v1/forecast?latitude={lat}&longitude={lon}&current=temperature_2m,relative_humidity_2m,apparent_temperature,weather_code,wind_speed_10m&daily=weather_code,temperature_2m_max,temperature_2m_min&temperature_unit=fahrenheit&wind_speed_unit=mph&precipitation_unit=inch&timezone=auto"
+                    fc_raw = urllib.request.urlopen(url, timeout=8).read()
+                    fc = json.loads(fc_raw)
+                    
+                    # 3. Save combined cache
+                    payload = {"location": loc_name, "forecast": fc}
+                    cache_file.parent.mkdir(parents=True, exist_ok=True)
+                    cache_file.write_text(json.dumps(payload, indent=2))
+                    print("Updated local weather-data.json cache successfully")
+            except Exception as e:
+                print(f"Weather cache background update failed: {e}")
+            
+            # Update cache every 15 minutes
+            time.sleep(900)
+
     def init_cdp():
         if cdp.wait_ready(timeout=30):
             print("CDP ready — persistent WebSocket connected successfully")
+    
+    threading.Thread(target=update_weather_cache, daemon=True).start()
     threading.Thread(target=init_cdp, daemon=True).start()
 
     sys.exit(app.exec_())