platform/lib/angel.dart
2016-12-11 23:32:26 -05:00

22 lines
611 B
Dart

import 'package:angel_framework/angel_framework.dart';
import 'user_agent.dart';
/// Injects a [UserAgent] into requests.
///
/// If [strict] is `true`, then an invalid
/// `User-Agent` header will throw a `400 Bad Request`.
RequestMiddleware parseUserAgent({bool strict: true}) {
return (req, res) async {
try {
req.inject(UserAgent, parse(req.headers.value('User-Agent')));
} catch (e) {
if (e is UserAgentException && strict) {
throw new AngelHttpException.BadRequest(message: 'Invalid user agent.');
} else {
rethrow;
}
}
return true;
};
}