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fix: search results render user-controlled html cont... in App.jsx #38

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fix: search results render user-controlled html cont... in App.jsx #38

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13 changes: 9 additions & 4 deletions frontend/src/App.jsx
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Original file line number Diff line number Diff line change
Expand Up @@ -49,14 +49,19 @@ function getSourceMeta(source) {
return SOURCE_META.default;
}

function highlightQuery(html, query) {
if (!html || !query || !query.trim()) return html || '';
function escapeHtml(str) {
return String(str).replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;').replace(/'/g, '&#39;');
}

function highlightQuery(text, query) {
const safe = escapeHtml(text || '');
if (!query || !query.trim()) return safe;
try {
const escaped = query.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
const re = new RegExp(`(${escaped})`, 'gi');
return html.replace(re, '<mark>$1</mark>');
return safe.replace(re, '<mark>$1</mark>');
} catch {
return html;
return safe;
}
}

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