22 lines
676 B
Dart
22 lines
676 B
Dart
import 'package:angel_framework/angel_framework.dart';
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import 'package:ua_parser/ua_parser.dart' as ua;
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/// Injects a [ua.Client] and [ua.UserAgent] into requests.
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///
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/// If [strict] is `true`, then an invalid
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/// `User-Agent` header will throw a `400 Bad Request`.
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RequestMiddleware parseUserAgent({bool strict: true}) {
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return (req, res) async {
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try {
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final client = ua.parse(req.headers.value('User-Agent'));
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req
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..inject(ua.Client, client)
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..inject(ua.UserAgent, client.userAgent);
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} catch (e) {
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throw strict ?
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new AngelHttpException.BadRequest(message: 'Invalid user agent.') : e;
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}
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return true;
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};
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}
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