Fix: Support allowUrls, denyUrls

flutter/lib/src/event_processor/url_filter/html_url_filter_event_processor.dart

@@ -15,40 +15,23 @@ class WebUrlFilterEventProcessor implements UrlFilterEventProcessor {
     this._options,
   );
 
+  final html.Window _window = html.window;
   final SentryFlutterOptions _options;
 
   @override
   SentryEvent? apply(SentryEvent event, Hint hint) {
-    final frames = _getStacktraceFrames(event);
-    final lastPath = frames?.first?.absPath;
-
-    if (lastPath == null) {
-      return event;
-    }
+    final url = _window.location.toString();
 
     if (_options.allowUrls.isNotEmpty &&
-        !isMatchingRegexPattern(lastPath, _options.allowUrls)) {
+        !isMatchingRegexPattern(url, _options.allowUrls)) {
       return null;
     }
 
     if (_options.denyUrls.isNotEmpty &&
-        isMatchingRegexPattern(lastPath, _options.denyUrls)) {
+        isMatchingRegexPattern(url, _options.denyUrls)) {
       return null;
     }
 
     return event;
   }
-
-  Iterable<SentryStackFrame?>? _getStacktraceFrames(SentryEvent event) {
-    if (event.exceptions?.isNotEmpty == true) {
-      return event.exceptions?.first.stackTrace?.frames;
-    }
-    if (event.threads?.isNotEmpty == true) {
-      final stacktraces = event.threads?.map((e) => e.stacktrace);
-      return stacktraces
-          ?.where((element) => element != null)
-          .expand((element) => element!.frames);
-    }
-    return null;
-  }
 }

flutter/lib/src/event_processor/url_filter/web_url_filter_event_processor.dart

@@ -17,40 +17,23 @@ class WebUrlFilterEventProcessor implements UrlFilterEventProcessor {
     this._options,
   );
 
+  final web.Window _window = web.window;
   final SentryFlutterOptions _options;
 
   @override
   SentryEvent? apply(SentryEvent event, Hint hint) {
-    final frames = _getStacktraceFrames(event);
-    final lastPath = frames?.first?.absPath;
-
-    if (lastPath == null) {
-      return event;
-    }
+    final url = _window.location.toString();
 
     if (_options.allowUrls.isNotEmpty &&
-        !isMatchingRegexPattern(lastPath, _options.allowUrls)) {
+        !isMatchingRegexPattern(url, _options.allowUrls)) {
       return null;
     }
 
     if (_options.denyUrls.isNotEmpty &&
-        isMatchingRegexPattern(lastPath, _options.denyUrls)) {
+        isMatchingRegexPattern(url, _options.denyUrls)) {
       return null;
     }
 
     return event;
   }
-
-  Iterable<SentryStackFrame?>? _getStacktraceFrames(SentryEvent event) {
-    if (event.exceptions?.isNotEmpty == true) {
-      return event.exceptions?.first.stackTrace?.frames;
-    }
-    if (event.threads?.isNotEmpty == true) {
-      final stacktraces = event.threads?.map((e) => e.stacktrace);
-      return stacktraces
-          ?.where((element) => element != null)
-          .expand((element) => element!.frames);
-    }
-    return null;
-  }
 }

flutter/test/event_processor/url_filter/web_url_filter_event_processor_test.dart

@@ -7,6 +7,8 @@ import 'package:sentry_flutter/src/event_processor/url_filter/url_filter_event_p
 
 // can be tested on command line with
 // `flutter test --platform=chrome test/event_processor/url_filter/web_url_filter_event_processor_test.dart`
+// The URL looks something like this: http://localhost:58551/event_processor/url_filter/web_url_filter_event_processor_test.html
+
 void main() {
   group(UrlFilterEventProcessor, () {
     late Fixture fixture;
@@ -16,57 +18,53 @@ void main() {
     });
 
     test('returns event if no allowUrl and no denyUrl is set', () async {
-      SentryEvent? event = SentryEvent(
-        request: SentryRequest(
-          url: 'foo.bar',
-        ),
-      );
+      final event = SentryEvent();
+      final eventProcessor = fixture.getSut();
 
-      var eventProcessor = fixture.getSut();
-      event = await eventProcessor.apply(event, Hint());
+      final processedEvent = await eventProcessor.apply(event, Hint());
 
-      expect(event, isNotNull);
+      expect(processedEvent, isNotNull);
     });
 
     test('returns null if allowUrl is set and does not match with url',
         () async {
-      final event = _createEventWithException("foo.bar");
+      final event = SentryEvent();
       fixture.options.allowUrls = ["another.url"];
+      final eventProcessor = fixture.getSut();
 
-      var eventProcessor = fixture.getSut();
       final processedEvent = await eventProcessor.apply(event, Hint());
 
       expect(processedEvent, isNull);
     });
 
     test('returns event if allowUrl is set and does partially match with url',
         () async {
-      final event = _createEventWithException("foo.bar");
-      fixture.options.allowUrls = ["bar"];
+      final event = SentryEvent();
+      fixture.options.allowUrls = ["event_processor_test"];
+      final eventProcessor = fixture.getSut();
 
-      var eventProcessor = fixture.getSut();
       final processedEvent = await eventProcessor.apply(event, Hint());
 
       expect(processedEvent, isNotNull);
     });
 
     test('returns event if denyUrl is set and does not match with url',
         () async {
-      final event = _createEventWithException("foo.bar");
+      final event = SentryEvent();
       fixture.options.denyUrls = ["another.url"];
+      final eventProcessor = fixture.getSut();
 
-      var eventProcessor = fixture.getSut();
       final processedEvent = await eventProcessor.apply(event, Hint());
 
       expect(processedEvent, isNotNull);
     });
 
     test('returns null if denyUrl is set and partially matches with url',
         () async {
-      final event = _createEventWithException("foo.bar");
-      fixture.options.denyUrls = ["bar"];
+      final event = SentryEvent();
+      fixture.options.denyUrls = ["event_processor_test"];
+      final eventProcessor = fixture.getSut();
 
-      var eventProcessor = fixture.getSut();
       final processedEvent = await eventProcessor.apply(event, Hint());
 
       expect(processedEvent, isNull);
@@ -75,13 +73,11 @@ void main() {
     test(
         'returns null if it is part of the allowed domain, but blocked for subdomain',
         () async {
-      final event = _createEventWithException(
-          "this.is/a/special/url/for-testing/this-feature");
-
-      fixture.options.allowUrls = ["^this.is/.*\$"];
-      fixture.options.denyUrls = ["special"];
+      final event = SentryEvent();
+      fixture.options.allowUrls = [".*localhost.*\$"];
+      fixture.options.denyUrls = ["event"];
+      final eventProcessor = fixture.getSut();
 
-      var eventProcessor = fixture.getSut();
       final processedEvent = await eventProcessor.apply(event, Hint());
 
       expect(processedEvent, isNull);
@@ -90,12 +86,11 @@ void main() {
     test(
         'returns event if it is part of the allowed domain, and not of the blocked for subdomain',
         () async {
-      final event = _createEventWithException(
-          "this.is/a/test/url/for-testing/this-feature");
-      fixture.options.allowUrls = ["^this.is/.*\$"];
+      final event = SentryEvent();
+      fixture.options.allowUrls = [".*localhost.*\$"];
       fixture.options.denyUrls = ["special"];
+      final eventProcessor = fixture.getSut();
 
-      var eventProcessor = fixture.getSut();
       final processedEvent = await eventProcessor.apply(event, Hint());
 
       expect(processedEvent, isNotNull);
@@ -104,60 +99,15 @@ void main() {
     test(
         'returns null if it is not part of the allowed domain, and not of the blocked for subdomain',
         () async {
-      final event = _createEventWithException(
-          "another.url/for/a/test/testing/this-feature");
+      final event = SentryEvent();
       fixture.options.allowUrls = ["^this.is/.*\$"];
       fixture.options.denyUrls = ["special"];
+      final eventProcessor = fixture.getSut();
 
-      var eventProcessor = fixture.getSut();
       final processedEvent = await eventProcessor.apply(event, Hint());
 
       expect(processedEvent, isNull);
     });
-
-    test(
-        'returns event if denyUrl is set and not matching with url of first exception',
-        () async {
-      final frame1 = SentryStackFrame(absPath: "test.url");
-      final st1 = SentryStackTrace(frames: [frame1]);
-      final exception1 = SentryException(
-          type: "test-type", value: "test-value", stackTrace: st1);
-
-      final frame2 = SentryStackFrame(absPath: "foo.bar");
-      final st2 = SentryStackTrace(frames: [frame2]);
-      final exception2 = SentryException(
-          type: "test-type", value: "test-value", stackTrace: st2);
-
-      SentryEvent event = SentryEvent(exceptions: [exception1, exception2]);
-
-      fixture.options.denyUrls = ["bar"];
-
-      var eventProcessor = fixture.getSut();
-      final processedEvent = await eventProcessor.apply(event, Hint());
-
-      expect(processedEvent, isNotNull);
-    });
-
-    test(
-        'returns event if denyUrl is set and not matching with url of first stacktraceframe',
-        () async {
-      final frame1 = SentryStackFrame(absPath: "test.url");
-      final st1 = SentryStackTrace(frames: [frame1]);
-      final thread1 = SentryThread(stacktrace: st1);
-
-      final frame2 = SentryStackFrame(absPath: "foo.bar");
-      final st2 = SentryStackTrace(frames: [frame2]);
-      final thread2 = SentryThread(stacktrace: st2);
-
-      SentryEvent event = SentryEvent(threads: [thread1, thread2]);
-
-      fixture.options.denyUrls = ["bar"];
-
-      var eventProcessor = fixture.getSut();
-      final processedEvent = await eventProcessor.apply(event, Hint());
-
-      expect(processedEvent, isNotNull);
-    });
   });
 }
 
@@ -167,13 +117,3 @@ class Fixture {
     return UrlFilterEventProcessor(options);
   }
 }
-
-SentryEvent _createEventWithException(String url) {
-  final frame = SentryStackFrame(absPath: url);
-  final st = SentryStackTrace(frames: [frame]);
-  final exception =
-      SentryException(type: "test-type", value: "test-value", stackTrace: st);
-  SentryEvent event = SentryEvent(exceptions: [exception]);
-
-  return event;
-}