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Fix Helmet's default no-referrer policy breaking /api/gmaps/key #32

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Merged
timothylee58 merged 1 commit into from
Aug 3, 2026
+6 −0
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Fix Helmet's default no-referrer policy breaking /api/gmaps/key #32

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6 changes: 6 additions & 0 deletions backend/app.js
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Original file line number Diff line number Diff line change
Expand Up @@ -71,6 +71,12 @@ app.use(helmet({
},
},
crossOriginEmbedderPolicy: false, // Google Maps requires this to be off
// Helmet defaults to 'no-referrer', which strips the Referer header from
// every request the page makes — including same-origin fetches. That
// broke the same-origin check on GET /api/gmaps/key (it always 403'd,
// even from the real page). 'strict-origin-when-cross-origin' is the
// browser default: full URL on same-origin requests, origin-only cross-origin.
referrerPolicy: { policy: 'strict-origin-when-cross-origin' },
}));

// ── Middleware ────────────────────────────────────────────────────────────────
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