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fix: prevent SecurityError from external hash fragments on landing page #8025

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fix: prevent SecurityError from external hash fragments on landing page #8025

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10 changes: 9 additions & 1 deletion apps/web/src/pages/RouteDefinitions.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -129,7 +129,15 @@ export const routes: RouteDefinition[] = [
getTitle: () => StaticTitlesAndDescriptions.UniswapTitle,
getDescription: () => StaticTitlesAndDescriptions.SwapDescription,
getElement: (args) => {
return args.browserRouterEnabled && args.hash ? <Navigate to={args.hash.replace('#', '')} replace /> : <Landing />
if (args.browserRouterEnabled && args.hash) {
const path = args.hash.replace('#', '')
// Only redirect to internal paths starting with a single '/' to prevent
// protocol-relative URLs (e.g. //example.org) from causing SecurityErrors.
if (path.startsWith('/') && !path.startsWith('//')) {
return <Navigate to={path} replace />
}
}
return <Landing />
},
}),
createRouteDefinition({
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