let authToken = null; self.addEventListener("message", (event) => { if (event.data && event.data.type === "SET_AUTH_TOKEN") { authToken = event.data.token; } }); self.addEventListener("fetch", function (event) { // Check if the request is for a media file if (/\/v1\/transcripts\/.*\/audio\/mp3$/.test(event.request.url)) { // Modify the request to add the Authorization header const modifiedHeaders = new Headers(event.request.headers); if (authToken) { modifiedHeaders.append("Authorization", `Bearer ${authToken}`); } const modifiedRequest = new Request(event.request, { headers: modifiedHeaders, }); // Respond with the modified request event.respondWith(fetch(modifiedRequest)); } });