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Merge branch 'soru/strip-reply-fallback' into 'master'

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Strip reply fallback before passing to html renderer

See merge request ChristianPauly/fluffychat-flutter!102
This commit is contained in:
Christian Pauly 2020-07-05 20:55:35 +00:00
parent bf8667d50c 35f2202e90
commit b22edcaa0a
1 changed files with 9 additions and 1 deletions
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10
lib/components/html_message.dart
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@ -21,11 +21,19 @@ class HtmlMessage extends StatelessWidget {
@override
Widget build(BuildContext context) {
// riot-web is notorious for creating bad reply fallback events from invalid messages which, if
// not handled properly, can lead to impersination. As such, we strip the entire `<mx-reply>` tags
// here already, to prevent that from happening.
// We do *not* do this in an AST and just with simple regex here, as riot-web tends to create
// miss-matching tags, and this way we actually correctly identify what we want to strip and, well,
// strip it.
final renderHtml = html.replaceAll(RegExp('<mx-reply>.*<\/mx-reply>'), '');
// there is no need to pre-validate the html, as we validate it while rendering
final themeData = Theme.of(context);
return Html(
data: html,
data: renderHtml,
defaultTextStyle: defaultTextStyle,
linkStyle: linkStyle ??
themeData.textTheme.bodyText2.copyWith(