// ==UserScript==// @name         网易云音乐高音质支持// @version      3.3.1// @description  去除网页版网易云音乐仅可播放低音质（96Kbps）的限制，强制播放高音质版本// @match        *://music.163.com/*// @include      *://music.163.com/*// @author       864907600cc// @icon         https://secure.gravatar.com/avatar/147834caf9ccb0a66b2505c753747867// @run-at       document-start// @grant        none// @namespace    http://ext.ccloli.com// ==/UserScript==// getTrackURL 源码来自 Chrome 扩展程序 网易云音乐增强器(Netease Music Enhancement) by [email protected]// 菊苣这个加密算法你是怎么知道的 _(:3var getTrackURL = function getTrackURL (dfsId) {var byte1 = '3' + 'g' + 'o' + '8' + '&' + '$' + '8' + '*' + '3' +'*' + '3' + 'h' + '0' + 'k' + '(' + '2' + ')' + '2';var byte1Length = byte1.length;var byte2 = dfsId + '';var byte2Length = byte2.length;var byte3 = [];for (var i = 0; i < byte2Length; i++) {byte3[i] = byte2.charCodeAt(i) ^ byte1.charCodeAt(i % byte1Length);}byte3 = byte3.map(function(i) {return String.fromCharCode(i);}).join('');r###lts = CryptoJS.MD5(byte3).toString(CryptoJS.enc.Base64);r###lts = r###lts.replace(/\//g, '_').replace(/\+/g, '-');// 如果需要修改使用的 cdn，请修改下面的地址// 可用的服务器有 ['m1', 'm2', 'p1', 'p2']// 使用 p1 或 p2 的 cdn 可解决境外用户无法播放的问题var url = 'http://m1.music.126.net/' + r###lts + '/' + byte2 + '.mp3';return url;};var modifyURL = function modifyURL(data, parentKey) {console.log('API 返回了 ' + data.length + ' 首曲目');console.log('施放魔法！变变变！');data.forEach(function(elem){// 部分音乐没有高音质if (!parentKey) elem.mp3Url = getTrackURL((elem.hMusic || elem.mMusic || elem.lMusic).dfsId);else elem[parentKey].mp3Url = getTrackURL((elem[parentKey].hMusic || elem[parentKey].mMusic || elem.lMusic[parentKey]).dfsId);});return data;};var cachedURL = {};var qualityNode = null;// 重新编写脚本，改用 hook xhr 的形式替换 URL 链接var originalXMLHttpRequest = window.XMLHttpRequest;var fakeXMLHttpRequest = function(){var __this__ = this;var xhr = new originalXMLHttpRequest();var xhrProto = xhr.constructor.prototype;Object.keys(xhrProto).forEach(function(elem){if (elem in __this__) return;if (elem === 'responseText') return;if (typeof xhr[elem] === 'function') {if (elem === 'open') { // add requestURL support__this__[elem] = function(){if (arguments[1].indexOf('/enhance/player/') >= 0) {// 对新版 api 请求旧的 api 接口__this__.ping = new fakeXMLHttpRequest();__this__.ping.open(arguments[0], arguments[1].replace('/enhance/player/url', '/detail'), false); // 不使用异步 xhr 以阻断原 xhr 请求__this__.ping.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');}xhr[elem].apply(xhr, arguments);__this__.requestURL = arguments[1];};}else if (elem === 'send') { // add requestURL support__this__[elem] = function(){if (__this__.requestURL.indexOf('/enhance/player/') >= 0 && __this__.ping) {//__this__.ping.send(arguments[0]);__this__.ping.sendData = arguments[0];}xhr[elem].apply(xhr, arguments);};}else {__this__[elem] = function(){xhr[elem].apply(xhr, arguments);};}}else {var property = {};var originalProperty = Object.getOwnPropertyDescriptor(xhrProto, elem);property.get = function(){ /*console.log(elem);*/ return xhr[elem]; };if (originalProperty.set) property.set = function(val){ return xhr[elem] = val; };Object.defineProperty(__this__, elem, property);}});Object.defineProperty(__this__, 'responseText', {get: function(){try {if (__this__.requestURL.indexOf('/weapi/') < 0 && __this__.requestURL.indexOf('/api/') < 0) {return xhr.responseText;}var action = __this__.requestURL.split(/\/(?:we)?api\//)[1].split('?')[0].split('/');var res = JSON.parse(xhr.responseText);switch (action[0]) {case 'album':modifyURL(res.album.songs);return JSON.stringify(res);case 'song':if (action[1] !== 'detail') {if (action[1] !== 'enhance' && action[2] !== 'player' && action[3] !== 'url') {return xhr.responseText;}// 给黄易节省带宽，优先调用缓存的 URLif (cachedURL[res.data[0].id] && new Date() < cachedURL[res.data[0].id].expires) {res.data[0].url = cachedURL[res.data[0].id].url;delete __this__.ping;if (qualityNode) {qualityNode.textContent = cachedURL[res.data[0].id].quality / 1000 + 'K';}return JSON.stringify(res);}// 缓存超时了再用新的 URL// 其实实际 CDN 超时实践并不是那个 `expi`，而是 URL 的 path 的第一个字段// 不过不知道后期会不会改变，以及这个 path 的时间戳可能是基于 GMT+8// 为了减少复杂度，就用 `expi` 了，不过实际上真正的可用时间是远高于 `expi` 的// 因为新版 API 已经返回的是高音质版本，所以不需要再请求旧的 API// 如果返回地址为 null 再尝试获取旧版 APIif (res.data[0].url) {cachedURL[res.data[0].id] = {url: res.data[0].url,quality: res.data[0].br,expires: res.data[0].expi * 1000 + new Date().getTime()};delete __this__.ping;if (qualityNode) {qualityNode.textContent = (res.data[0].br) / 1000 + 'K';}return xhr.responseText;}if (!cachedURL[res.data[0].id]) { // 若未缓存，且新 API 没有音质再请求原始 apiconsole.log('新版 API 未返回 URL，fallback 至旧版 API');__this__.ping.send(__this__.ping.sendData);// 因为使用了同步 xhr 所以请求会被阻塞，下面的代码相当于回调// 其实获取到 pingRes 时已经是对本函数的一次执行了，qualityNode 不需要再更改var pingRes = JSON.parse(__this__.ping.responseText);var pingResSong = pingRes.songs[0];cachedURL[res.data[0].id] = {url: pingRes.songs[0].mp3Url,quality: (pingResSong.hMusic || pingResSong.h || pingResSong.mMusic || pingResSong.m || pingResSong.lMusic || pingResSong.l).bitrate,expires: Infinity // 旧版 API URL 永不超时};}res.data[0].url = cachedURL[res.data[0].id].url;return JSON.stringify(res);}// 这里是处理旧版 API 的部分modifyURL(res.songs);if (qualityNode) {qualityNode.textContent = (res.songs[0].hMusic || res.songs[0].h || res.songs[0].mMusic || res.songs[0].m || res.songs[0].lMusic || res.songs[0].l).bitrate / 1000 + 'K';}return JSON.stringify(res);case 'playlist':if (action[1] !== 'detail') {return xhr.responseText;}modifyURL(res.r###lt.tracks);return JSON.stringify(res);case 'dj':if (action[2] === 'byradio') {modifyURL(res.programs, 'mainSong');return JSON.stringify(res);}if (action[2] === 'detail') {res.program = modifyURL([res.program], 'mainSong')[0];return JSON.stringify(res);}return xhr.responseText;case 'radio':if (action[1] === 'get') {modifyURL(res.data);return JSON.stringify(res);}return xhr.responseText;case 'v3':switch (action[1]){// http://music.163.com/weapi/v3/playlist/detailcase 'playlist':if (action[2] !== 'detail') {return xhr.responseText;}res.privileges.forEach(function(elem){var q = elem.pl || elem.dl || elem.fl || Math.min(elem.maxbr, 320000) || 320000;elem.st = 0;elem.pl = q;elem.dl = q;elem.fl = q;});if (res.privileges.length < res.playlist.trackIds.length && res.playlist.trackIds.length === res.playlist.tracks.length) {// 对超过 1000 的播放列表补充播放信息（需魔改 core.js）for (var i = res.privileges.length; i < res.playlist.trackIds.length; i++) {var q = (res.playlist.tracks.h || res.playlist.tracks.m || res.playlist.tracks.l || res.playlist.tracks.a).br || 320000;res.privileges.push({cp: 1,cs: false,dl: q,fee: 0,fl: q,id: res.playlist.trackIds[i].id,maxbr: q,payed: 0,pl: q,sp: 7,st: 0,subp: 1});}}return JSON.stringify(res);case 'song':if (action[2] !== 'detail') {return xhr.responseText;}res.privileges.forEach(function(elem){var q = elem.pl || elem.dl || elem.fl || Math.min(elem.maxbr, 320000) || 320000;elem.st = 0;elem.pl = q;elem.dl = q;elem.fl = q;});return JSON.stringify(res);default:return xhr.responseText;}break;default:return xhr.responseText;}}catch (error) {// 以防 api 转换失败也能正常返回数据console.error('转换出错！', error);return xhr.responseText;}}});// 轮询当前对象的 prototype，以解决无法获取更高原型链的属性的问题var curPrototype = xhrProto;while (curPrototype = Object.getPrototypeOf(curPrototype)) {Object.keys(curPrototype).forEach(function(elem){var property = {};var originalProperty = Object.getOwnPropertyDescriptor(curPrototype, elem);property.get = function(){ /*console.log(elem);*/ return xhr[elem]; };if (originalProperty.set) property.set = function(val){ return xhr[elem] = val; };Object.defineProperty(__this__, elem, property);});}this.originalXMLHttpRequest = xhr;};// window.XMLHttpRequest = fakeXMLHttpRequest;// 旧版 API 大部分曲目失效，故 hook 加密函数以获取新版 API 的高音质版本var original_asrsea;var fake_asrsea = function(){//console.log(arguments)var data = JSON.parse(arguments[0]);if (data.br && data.br === 128000) {data.br = 320000;arguments[0] = JSON.stringify(data);}//console.log(arguments);return original_asrsea.apply(window, arguments);};if (window.asrsea) {original_asrsea = window.asrsea;window.asrsea = fake_asrsea;}else {Object.defineProperty(window, 'asrsea', {get: function(){return fake_asrsea;},set: function(val) {original_asrsea = val;}});}var quailtyInsertHandler = function() {var target = document.querySelector('.m-pbar');if (target) {qualityNode = document.createElement('span');qualityNode.style.cssText = 'color: #797979; position: absolute; top: 0px; right: 31px; text-shadow: 0 1px 0 #171717; line-height: 28px;';target.parentElement.insertBefore(qualityNode, target);}document.removeEventListener('DOMContentLoaded', quailtyInsertHandler, false);};document.addEventListener('DOMContentLoaded', quailtyInsertHandler, false);