a5f5661650
git-subtree-dir: packages/user_agent git-subtree-mainline:ae8f7a77d2git-subtree-split:70b15207d5
23 lines
818 B
Dart
23 lines
818 B
Dart
import 'package:angel_framework/angel_framework.dart';
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import 'package:user_agent/user_agent.dart';
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/// Injects a [UserAgent] factory into requests.
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///
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/// Because it is an injected factory, the user agent will not be
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/// parsed until you request it via `req.container.make<UserAgent>()`.
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bool parseUserAgent(RequestContext req, ResponseContext res) {
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req.container.registerFactory<UserAgent>((container) {
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var agentString = req.headers.value('user-agent');
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if (agentString?.trim()?.isNotEmpty != true) {
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throw new AngelHttpException.badRequest(
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message: 'User-Agent header is required.');
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} else if (agentString != null) {
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var userAgent = new UserAgent(agentString);
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container.registerSingleton<UserAgent>(userAgent);
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return userAgent;
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}
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});
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return true;
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}
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