| 94 | """ASGI app that dispatches to different handlers based on request path.""" |
| 95 | |
| 96 | async def app( |
| 97 | scope: dict[str, Any], |
| 98 | receive: Callable[[], Awaitable[dict[str, Any]]], |
| 99 | send: Callable[[dict[str, Any]], Awaitable[None]], |
| 100 | ) -> None: |
| 101 | scope_type = scope.get("type") |
| 102 | |
| 103 | if scope_type == "lifespan": |
| 104 | while True: |
| 105 | message = await receive() |
| 106 | message_type = message.get("type") |
| 107 | if message_type == "lifespan.startup": |
| 108 | await send({"type": "lifespan.startup.complete"}) |
| 109 | elif message_type == "lifespan.shutdown": |
| 110 | await send({"type": "lifespan.shutdown.complete"}) |
| 111 | return |
| 112 | |
| 113 | if scope_type != "http": |
| 114 | return |
| 115 | |
| 116 | method = str(scope.get("method") or "GET").upper() |
| 117 | if method not in ("GET", "POST"): |
| 118 | await drain_body(receive) |
| 119 | await send_json_response(send, 405, {"error": "method not allowed"}) |
| 120 | return |
| 121 | |
| 122 | cron_secret = os.environ.get("CRON_SECRET") |
| 123 | if cron_secret: |
| 124 | authorization = get_header(scope, "authorization") |
| 125 | expected = f"Bearer {cron_secret}" |
| 126 | if not authorization or not hmac.compare_digest( |
| 127 | authorization, expected |
| 128 | ): |
| 129 | await drain_body(receive) |
| 130 | await send_json_response(send, 401, {"error": "unauthorized"}) |
| 131 | return |
| 132 | |
| 133 | path = str(scope.get("path") or "/") |
| 134 | route = routes.get(path) |
| 135 | if route is None: |
| 136 | await drain_body(receive) |
| 137 | await send_json_response( |
| 138 | send, 404, {"error": f"no cron handler for path: {path}"} |
| 139 | ) |
| 140 | return |
| 141 | |
| 142 | run_job, is_async = route |
| 143 | await drain_body(receive) |
| 144 | |
| 145 | try: |
| 146 | if is_async: |
| 147 | await cast("AsyncCronHandler", run_job)() |
| 148 | else: |
| 149 | await asyncio.to_thread(cast("SyncCronHandler", run_job)) |
| 150 | except Exception: |
| 151 | traceback.print_exc() |
| 152 | await send_json_response(send, 500, {"error": "internal"}) |
| 153 | return |