Initial commit

app/__init__.py

@@ -0,0 +1,66 @@
+from __future__ import annotations
+
+import logging
+import os
+from logging.handlers import RotatingFileHandler
+
+from flask import Flask
+from flask_compress import Compress
+from flask_cors import CORS
+
+from config import Config
+from models import db
+from routes import admin_bp, bp
+from sockets import socketio
+
+
+def create_app() -> Flask:
+    app = Flask(__name__, template_folder=os.path.join(os.path.dirname(__file__), "..", "templates"), static_folder=os.path.join(os.path.dirname(__file__), "..", "static"))
+    app.config.from_object(Config)
+
+    os.makedirs(app.config["MEDIA_DIR"], exist_ok=True)
+
+    # Extensions
+    db.init_app(app)
+    CORS(app, resources={r"/*": {"origins": app.config.get("CORS_ORIGINS", "*")}})
+    Compress(app)
+
+    # SocketIO tuning from config
+    socketio.init_app(
+        app,
+        cors_allowed_origins=app.config.get("CORS_ORIGINS", "*"),
+        ping_interval=app.config["SOCKETIO_PING_INTERVAL"],
+        ping_timeout=app.config["SOCKETIO_PING_TIMEOUT"],
+    )
+
+    # Blueprints
+    app.register_blueprint(bp)
+    app.register_blueprint(admin_bp)
+
+    # Logging
+    _configure_logging(app)
+
+    @app.after_request
+    def _lan_headers(resp):
+        # Keep headers permissive for embedded Chromium/Tizen/WebOS.
+        resp.headers.pop("Content-Security-Policy", None)
+        resp.headers.pop("Cross-Origin-Opener-Policy", None)
+        resp.headers.pop("Cross-Origin-Embedder-Policy", None)
+        # Disable caching for HTML/JS (but media route sets its own cache-control)
+        if resp.mimetype in ("text/html", "application/javascript"):
+            resp.headers["Cache-Control"] = "no-store"
+        return resp
+
+    return app
+
+
+def _configure_logging(app: Flask) -> None:
+    os.makedirs(os.path.join(app.root_path, "..", "logs"), exist_ok=True)
+    log_path = os.path.abspath(os.path.join(app.root_path, "..", "logs", "system.log"))
+    handler = RotatingFileHandler(log_path, maxBytes=2_000_000, backupCount=3)
+    fmt = logging.Formatter("%(asctime)s %(levelname)s %(name)s: %(message)s")
+    handler.setFormatter(fmt)
+    handler.setLevel(logging.INFO)
+    app.logger.addHandler(handler)
+    logging.getLogger().addHandler(handler)
+    logging.getLogger().setLevel(logging.INFO)