"use strict"; const TEST_FRAME = ` `; const SCRIPT = "window.parent.postMessage('script-loaded', '*');"; function handleRequest(request, response) { // avoid confusing cache behaviors response.setHeader("Cache-Control", "no-cache", false); let queryString = request.queryString; if (queryString === "load-frame") { response.setHeader( "Content-Security-Policy", "script-src 'nonce-123456789'", false ); response.setHeader("Content-Type", "text/html", false); response.write(TEST_FRAME); return; } if (queryString === "redir-script") { response.setStatusLine("1.1", 302, "Found"); response.setHeader( "Location", "file_nonce_snapshot.sjs?load-script", false ); return; } if (queryString === "load-script") { response.setHeader("Content-Type", "application/javascript", false); response.write(SCRIPT); return; } // we should never get here but just in case return something unexpected response.write("do'h"); }