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fix(speedtest): per-route CSP for /speedtest-rpc #2239

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Merged
Flotapponnier merged 1 commit into from
Sep 3, 2026
+19 −0
Merged

fix(speedtest): per-route CSP for /speedtest-rpc #2239

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19 changes: 19 additions & 0 deletions next.config.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -112,6 +112,25 @@ const nextConfig: NextConfig = {
source: "/:path*",
headers: SECURITY_HEADERS,
},
{
// The RPC speed test fires fetch() at user-supplied endpoints
// straight from the browser — the whole product. The site-wide
// connect-src allowlist blocked every probe (surfaced as a fake
// "CORS" failure on endpoints that are actually CORS-open, e.g.
// publicnode). Open connect-src to any https origin on THIS
// route only; every other directive keeps the tight policy.
source: "/speedtest-rpc",
headers: [
...SECURITY_HEADERS.filter((h) => h.key !== "Content-Security-Policy"),
{
key: "Content-Security-Policy",
value: CSP.replace(
/connect-src [^;]+/,
`connect-src 'self' https: ${RELAY_WS}`,
),
},
],
},
{
// Badges are designed to be embedded as <img> in third-party
// READMEs and blogs. Override frame-ancestors so SVG embedding
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