Merge pull request from GHSA-gph5-rx77-3pjg
fix: validate the url to avoid SSRF
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commit
dad122199a
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@ -9,6 +9,14 @@ const mergedAllowedWebDavEndpoints = [
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...config.allowedWebDevEndpoints,
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].filter((domain) => Boolean(domain.trim()));
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const normalizeUrl = (url: string) => {
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try {
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return new URL(url);
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} catch (err) {
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return null;
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}
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};
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async function handle(
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req: NextRequest,
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{ params }: { params: { path: string[] } },
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@ -24,9 +32,15 @@ async function handle(
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// Validate the endpoint to prevent potential SSRF attacks
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if (
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!mergedAllowedWebDavEndpoints.some(
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(allowedEndpoint) => endpoint?.startsWith(allowedEndpoint),
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)
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!endpoint ||
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!mergedAllowedWebDavEndpoints.some((allowedEndpoint) => {
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const normalizedAllowedEndpoint = normalizeUrl(allowedEndpoint);
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const normalizedEndpoint = normalizeUrl(endpoint as string);
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return normalizedEndpoint &&
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normalizedEndpoint.hostname === normalizedAllowedEndpoint?.hostname &&
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normalizedEndpoint.pathname.startsWith(normalizedAllowedEndpoint.pathname);
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})
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) {
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return NextResponse.json(
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{
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