import 'package:angel3_framework/angel3_framework.dart'; import 'package:angel3_framework/http.dart'; import 'package:angel3_security/angel3_security.dart'; import 'package:logging/logging.dart'; import 'package:belatuk_pretty_logging/belatuk_pretty_logging.dart'; void main() async { // Logging boilerplate. Logger.root.onRecord.listen(prettyLog); // Create an app, and HTTP driver. var app = Angel(logger: Logger('rate_limit')); var http = AngelHttp(app); // Create a simple in-memory rate limiter that limits users to 5 // queries per 30 seconds. // // In this case, we rate limit users by IP address. var rateLimiter = InMemoryRateLimiter(5, Duration(seconds: 30), (req, res) => req.ip); // `RateLimiter.handleRequest` is a middleware, and can be used anywhere // a middleware can be used. In this case, we apply the rate limiter to // *all* incoming requests. app.fallback(rateLimiter.handleRequest); // Basic routes. app ..get('/', (req, res) => 'Hello!') ..fallback((req, res) => throw AngelHttpException.notFound()); // Start the server. await http.startServer('127.0.0.1', 3000); print('Rate limiting example listening at ${http.uri}'); }