зеркало из https://github.com/mozilla/gecko-dev.git
100 строки
3.9 KiB
JavaScript
100 строки
3.9 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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/* globals exportFunction, module */
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var UAHelpers = {
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_deviceAppropriateChromeUAs: {},
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getDeviceAppropriateChromeUA(config = {}) {
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const { version = "103.0.5060.71", androidDevice, desktopOS } = config;
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const key = `${version}:${androidDevice}:${desktopOS}`;
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if (!UAHelpers._deviceAppropriateChromeUAs[key]) {
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const userAgent =
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typeof navigator !== "undefined" ? navigator.userAgent : "";
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const RunningFirefoxVersion = (userAgent.match(/Firefox\/([0-9.]+)/) || [
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"",
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"58.0",
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])[1];
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if (userAgent.includes("Android")) {
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const RunningAndroidVersion =
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userAgent.match(/Android [0-9.]+/) || "Android 6.0";
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if (androidDevice) {
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UAHelpers._deviceAppropriateChromeUAs[
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key
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] = `Mozilla/5.0 (Linux; ${RunningAndroidVersion}; ${androidDevice}) FxQuantum/${RunningFirefoxVersion} AppleWebKit/537.36 (KHTML, like Gecko) Chrome/${version} Mobile Safari/537.36`;
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} else {
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const ChromePhoneUA = `Mozilla/5.0 (Linux; ${RunningAndroidVersion}; Nexus 5 Build/MRA58N) FxQuantum/${RunningFirefoxVersion} AppleWebKit/537.36 (KHTML, like Gecko) Chrome/${version} Mobile Safari/537.36`;
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const ChromeTabletUA = `Mozilla/5.0 (Linux; ${RunningAndroidVersion}; Nexus 7 Build/JSS15Q) FxQuantum/${RunningFirefoxVersion} AppleWebKit/537.36 (KHTML, like Gecko) Chrome/${version} Safari/537.36`;
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const IsPhone = userAgent.includes("Mobile");
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UAHelpers._deviceAppropriateChromeUAs[key] = IsPhone
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? ChromePhoneUA
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: ChromeTabletUA;
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}
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} else {
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let osSegment = "Windows NT 10.0; Win64; x64";
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if (desktopOS === "macOS" || userAgent.includes("Macintosh")) {
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osSegment = "Macintosh; Intel Mac OS X 10_15_7";
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}
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if (
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desktopOS !== "nonLinux" &&
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(desktopOS === "linux" || userAgent.includes("Linux"))
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) {
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osSegment = "X11; Ubuntu; Linux x86_64";
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}
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UAHelpers._deviceAppropriateChromeUAs[
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key
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] = `Mozilla/5.0 (${osSegment}) FxQuantum/${RunningFirefoxVersion} AppleWebKit/537.36 (KHTML, like Gecko) Chrome/${version} Safari/537.36`;
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}
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}
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return UAHelpers._deviceAppropriateChromeUAs[key];
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},
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getPrefix(originalUA) {
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return originalUA.substr(0, originalUA.indexOf(")") + 1);
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},
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overrideWithDeviceAppropriateChromeUA(config) {
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const chromeUA = UAHelpers.getDeviceAppropriateChromeUA(config);
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Object.defineProperty(window.navigator.wrappedJSObject, "userAgent", {
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get: exportFunction(() => chromeUA, window),
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set: exportFunction(function () {}, window),
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});
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},
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capVersionTo99(originalUA) {
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const ver = originalUA.match(/Firefox\/(\d+\.\d+)/);
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if (!ver || parseFloat(ver[1]) < 100) {
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return originalUA;
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}
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return originalUA
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.replace(`Firefox/${ver[1]}`, "Firefox/99.0")
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.replace(`rv:${ver[1]}`, "rv:99.0");
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},
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capRvTo109(originalUA) {
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const ver = originalUA.match(/rv:(\d+\.\d+)/);
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if (!ver || parseFloat(ver[1]) <= 109) {
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return originalUA;
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}
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return originalUA.replace(`rv:${ver[1]}`, "rv:109.0");
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},
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capVersionToNumber(originalUA, cap = 120) {
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const ver = originalUA.match(/Firefox\/(\d+\.\d+)/);
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if (!ver || parseFloat(ver[1]) <= cap) {
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return originalUA;
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}
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const capped = `Firefox/${cap}.0`;
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return originalUA.replace(`Firefox/${ver[1]}`, capped);
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},
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getWindowsUA(originalUA) {
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const rv = originalUA.match("rv:[0-9]+.[0-9]+")[0];
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const ver = originalUA.match("Firefox/[0-9]+.[0-9]+")[0];
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return `Mozilla/5.0 (Windows NT 10.0; Win64; x64; ${rv}) Gecko/20100101 ${ver}`;
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},
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};
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if (typeof module !== "undefined") {
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module.exports = UAHelpers;
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}
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