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fix: Render not permitted html tags as text instead of hiding

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Christian Kußowski 2025-12-01 14:44:29 +01:00
commit 903f7c7d15
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1 changed files with 2 additions and 5 deletions
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7
lib/pages/chat/events/html_message.dart
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@ -156,8 +156,8 @@ class HtmlMessage extends StatelessWidget {
// We must not render elements nested more than 100 elements deep: // We must not render elements nested more than 100 elements deep:
if (depth >= 100) return const TextSpan(); if (depth >= 100) return const TextSpan();
// This is a text node, so we render it as text: // This is a text node or not permitted node, so we render it as text:
if (node is! dom.Element) { if (node is! dom.Element || !allowedHtmlTags.contains(node.localName)) {
var text = node.text ?? ''; var text = node.text ?? '';
// Single linebreak nodes between Elements are ignored: // Single linebreak nodes between Elements are ignored:
if (text == '\n') text = ''; if (text == '\n') text = '';
@ -170,9 +170,6 @@ class HtmlMessage extends StatelessWidget {
); );
} }
// We must not render tags which are not in the allow list:
if (!allowedHtmlTags.contains(node.localName)) return const TextSpan();
switch (node.localName) { switch (node.localName) {
case 'br': case 'br':
return const TextSpan(text: '\n'); return const TextSpan(text: '\n');