"use strict"; // Here we want to test that blob URLs are not available between private and // non-private browsing. const BASE_URI = "http://mochi.test:8888/browser/browser/components/" + "privatebrowsing/test/browser/empty_file.html"; add_task(async function test() { const loaded = BrowserTestUtils.browserLoaded( gBrowser.selectedBrowser, false, BASE_URI ); BrowserTestUtils.loadURIString(gBrowser.selectedBrowser, BASE_URI); await loaded; let blobURL; info("Creating a blob URL..."); await SpecialPowers.spawn(gBrowser.selectedBrowser, [], function () { return Promise.resolve( content.window.URL.createObjectURL( new Blob([123], { type: "text/plain" }) ) ); }).then(newURL => { blobURL = newURL; }); info("Blob URL: " + blobURL); info("Creating a private window..."); let privateWin = await BrowserTestUtils.openNewBrowserWindow({ private: true, }); let privateTab = privateWin.gBrowser.selectedBrowser; const privateTabLoaded = BrowserTestUtils.browserLoaded( privateTab, false, BASE_URI ); BrowserTestUtils.loadURIString(privateTab, BASE_URI); await privateTabLoaded; await SpecialPowers.spawn(privateTab, [blobURL], function (url) { return new Promise(resolve => { var xhr = new content.window.XMLHttpRequest(); xhr.onerror = function () { resolve("SendErrored"); }; xhr.onload = function () { resolve("SendLoaded"); }; xhr.open("GET", url); xhr.send(); }); }).then(status => { is( status, "SendErrored", "Using a blob URI from one user context id in another should not work" ); }); await BrowserTestUtils.closeWindow(privateWin); });