platform/packages/proxy/example/main.dart
2024-10-12 18:45:27 -07:00

63 lines
1.9 KiB
Dart

import 'dart:io';
import 'package:protevus_framework/protevus_framework.dart';
import 'package:protevus_framework/http.dart';
import 'package:protevus_proxy/protevus_proxy.dart';
import 'package:logging/logging.dart';
final Duration timeout = Duration(seconds: 5);
void main() async {
var app = Protevus();
// Forward any /api requests to pub.
// By default, if the host throws a 404, the request will fall through to the next handler.
var pubProxy = Proxy(
'https://pub.dartlang.org',
publicPath: '/pub',
timeout: timeout,
);
app.all('/pub/*', pubProxy.handleRequest);
// Surprise! We can also proxy WebSockets.
//
// Play around with this at http://www.websocket.org/echo.html.
var echoProxy = Proxy(
'http://echo.websocket.org',
publicPath: '/echo',
timeout: timeout,
);
app.get('/echo', echoProxy.handleRequest);
// Pub's HTML assumes that the site's styles, etc. are on the absolute path `/static`.
// This is not the case here. Let's patch that up:
app.get('/static/*', (RequestContext req, res) {
return pubProxy.servePath(req.path, req, res);
});
// Anything else should fall through to dartlang.org.
var dartlangProxy = Proxy(
'https://dartlang.org',
timeout: timeout,
recoverFrom404: false,
);
app.all('*', dartlangProxy.handleRequest);
// In case we can't connect to dartlang.org, show an error.
app.fallback(
(req, res) => res.write('Couldn\'t connect to Pub or dartlang.'));
app.logger = Logger('protevus')
..onRecord.listen(
(rec) {
print(rec);
if (rec.error != null) print(rec.error);
if (rec.stackTrace != null) print(rec.stackTrace);
},
);
var server =
await ProtevusHttp(app).startServer(InternetAddress.loopbackIPv4, 8080);
print('Listening at http://${server.address.address}:${server.port}');
print(
'Check this out! http://${server.address.address}:${server.port}/pub/packages/angel_framework');
}