function arrayToHex(iv) { let hexStr = ''; for (const i in iv) { if (iv[i] < 16) { hexStr += '0' + iv[i].toString(16); } else { hexStr += iv[i].toString(16); } } return hexStr; } function hexToArray(str) { const iv = new Uint8Array(str.length / 2); for (let i = 0; i < str.length; i += 2) { iv[i / 2] = parseInt(str.charAt(i) + str.charAt(i + 1), 16); } return iv; } function notify(str) { if (!('Notification' in window)) { return; } else if (Notification.permission === 'granted') { new Notification(str); } else if (Notification.permission !== 'denied') { Notification.requestPermission(function(permission) { if (permission === 'granted') new Notification(str); }); } } function gcmCompliant() { try { return window.crypto.subtle .generateKey( { name: 'AES-GCM', length: 128 }, true, ['encrypt', 'decrypt'] ) .then(key => { return window.crypto.subtle .encrypt( { name: 'AES-GCM', iv: window.crypto.getRandomValues(new Uint8Array(12)), additionalData: window.crypto.getRandomValues(new Uint8Array(6)), tagLength: 128 }, key, new ArrayBuffer(8) ) .then(() => { return Promise.resolve(); }) .catch(err => { return Promise.reject(); }); }) .catch(err => { return Promise.reject(); }); } catch (err) { return Promise.reject(); } } function findMetric(href) { switch(href) { case 'https://www.mozilla.org/': return 'mozilla'; case 'https://www.mozilla.org/about/legal': return 'legal'; case 'https://testpilot.firefox.com/about': return 'about'; case 'https://testpilot.firefox.com/privacy': return 'privacy'; case 'https://testpilot.firefox.com/terms': return 'terms'; case 'https://www.mozilla.org/en-US/privacy/websites/#cookies': return 'cookies'; case 'https://github.com/mozilla/send': return 'github'; case 'https://twitter.com/FxTestPilot': return 'twitter'; case 'https://www.mozilla.org/firefox/new/?scene=2': return 'download-firefox'; default: return 'other'; } } function isFile(id) { return !['referrer', 'totalDownloads', 'totalUploads', 'testpilot_ga__cid'].includes(id); } const ONE_DAY_IN_MS = 86400000; module.exports = { arrayToHex, hexToArray, notify, gcmCompliant, findMetric, isFile, ONE_DAY_IN_MS };