const SJS = "referrer_test_server.sjs?"; const SHARED_KEY = SJS; var SAME_ORIGIN = "https://example.com/tests/dom/workers/test/" + SJS; var CROSS_ORIGIN = "https://test2.example.com/tests/dom/workers/test/" + SJS; var DOWNGRADE = "http://example.com/tests/dom/workers/test/" + SJS; function createUrl(aRequestType, aPolicy) { var searchParams = new URLSearchParams(); searchParams.append("ACTION", "request-worker"); searchParams.append("Referrer-Policy", aPolicy); searchParams.append("TYPE", aRequestType); var url = SAME_ORIGIN; if (aRequestType === "cross-origin") { url = CROSS_ORIGIN; } else if (aRequestType === "downgrade") { url = DOWNGRADE; } return url + searchParams.toString(); } function createWorker(aRequestType, aPolicy) { return ` onmessage = function() { fetch("${createUrl(aRequestType, aPolicy)}").then(function () { postMessage(42); close(); }); } `; } function handleRequest(request, response) { var params = new URLSearchParams(request.queryString); var policy = params.get("Referrer-Policy"); var type = params.get("TYPE"); var action = params.get("ACTION"); response.setHeader("Content-Security-Policy", "default-src *", false); response.setHeader("Access-Control-Allow-Origin", "*", false); if (policy) { response.setHeader("Referrer-Policy", policy, false); } if (action === "test") { response.setHeader("Content-Type", "text/javascript", false); response.write(createWorker(type, policy)); return; } if (action === "resetState") { setSharedState(SHARED_KEY, "{}"); response.write(""); return; } if (action === "get-test-results") { response.setHeader("Cache-Control", "no-cache", false); response.setHeader("Content-Type", "text/plain", false); response.write(getSharedState(SHARED_KEY)); return; } if (action === "request-worker") { var result = getSharedState(SHARED_KEY); result = result ? JSON.parse(result) : {}; var referrerLevel = "none"; var test = {}; if (request.hasHeader("Referer")) { var referrer = request.getHeader("Referer"); if (referrer.indexOf("referrer_test_server") > 0) { referrerLevel = "full"; } else if (referrer.indexOf("https://example.com") == 0) { referrerLevel = "origin"; } else { // this is never supposed to happen referrerLevel = "other-origin"; } test.referrer = referrer; } else { test.referrer = ""; } test.policy = referrerLevel; test.expected = policy; // test id equals type + "-" + policy // Ex: same-origin-default result[type + "-" + policy] = test; setSharedState(SHARED_KEY, JSON.stringify(result)); response.write("'hello world'"); } }