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Bilibili CDN切換

修改 Bilibili 播放時的所用CDN 加快影片載入 番劇加速 影片加速

  1. // ==UserScript==
  2. // @name         Bilibili Video CDN Switcher
  3. // @name:zh-CN   Bilibili CDN切换
  4. // @name:zh-TW   Bilibili CDN切換
  5. // @name:ja      BilibiliビデオCDNスイッチャー
  6. // @name:en      Bilibili Video CDN Switcher
  7. // @namespace    mailto:1332019995@qq.com
  8. // @copyright    Free For Personal Use
  9. // @license      No License
  10. // @version      0.1.2
  11. // @description       修改哔哩哔哩播放时的所用CDN 加快视频加载 番剧加速 视频加速
  12. // @description:zh-CN 修改哔哩哔哩播放时的所用CDN 加快视频加载 番剧加速 视频加速
  13. // @description:en    Modify Bilibili's CDN during playback to speed up video loading, supporting Animes & Videos
  14. // @description:zh-TW 修改 Bilibili 播放時的所用CDN 加快影片載入 番劇加速 影片加速
  15. // @description:ja    ビリビリ動画（Bilibili）の動画再生時のCDNを変更して、動画読み込み速度の向上、アニメとビデオ読込高速化
  16. // @author       1332019995@qq.com
  17. // @run-at       document-start
  18. // @match        https://www.bilibili.com/video/*
  19. // @match        https://www.bilibili.com/bangumi/play/*
  20. // @match        https://www.bilibili.com/blackboard/*
  21. // @match        https://live.bilibili.com/blanc/*
  22. // @match        https://www.bilibili.com/?*
  23. // @match        https://www.bilibili.com/
  24. // @match        https://www.bilibili.com/mooc/*
  25. // @match        https://www.bilibili.com/v/*
  26. // @match        https://www.bilibili.com/documentary/*
  27. // @match        https://www.bilibili.com/variety/*
  28. // @match        https://www.bilibili.com/tv/*
  29. // @match        https://www.bilibili.com/guochuang/*
  30. // @match        https://www.bilibili.com/movie/*
  31. // @match        https://www.bilibili.com/anime/*
  32. // @match        https://www.bilibili.com/match/*
  33. // @match        https://www.bilibili.com/cheese/*
  34. // @match        https://music.bilibili.com/pc/music-center/*
  35. // @match        https://search.bilibili.com/*
  36. // @match        https://m.bilibili.com/video/*
  37. // @match        https://m.bilibili.com/bangumi/play/*
  38. // @match        https://m.bilibili.com/?*
  39. // @match        https://m.bilibili.com/
  40. // @icon         https://i0.hdslb.com/bfs/static/jinkela/long/images/512.png
  41. // @grant        GM_getValue
  42. // @grant        GM_setValue
  43. // @grant        unsafeWindow
  44. // ==/UserScript==
  45.  
  46. // 在这里的引号内输入自定义的CDN网址，设置为null可以禁用此配置 (Enter your custom CDN URL in quotes here. Setting this to null will disable this configuration)
  47. var CustomCDN = ''
  48. // 例如将上一行修改为如下，可以将CDN强制设置为 'upos-sz-mirrorali.bilivideo.com' (e.g. Modify the previous line as follows to force CDN to be set to 'upos-sz-mirrorali.bilivideo.com')
  49. // var CustomCDN = 'upos-sz-mirrorali.bilivideo.com'
  50.  
  51.  
  52. const PluginName = 'BiliCDNSwitcher'
  53. const log = console.log.bind(console, `[${PluginName}]:`)
  54. const Language = (() => {
  55.     const lang = (navigator.language || navigator.browserLanguage || (navigator.languages || ["en"])[0]).substring(0, 2)
  56.     return (lang === 'zh' || lang === 'ja') ? lang : 'en'
  57. })()
  58.  
  59. let disabled = !!GM_getValue('disabled')
  60. const Replacement = (() => {
  61.     const toURL = ((url) => { if (url.indexOf('://') === -1) url = 'https://' + url; return url.endsWith('/') ? url : `${url}/` })
  62.     const stored = GM_getValue('CustomCDN')
  63.     CustomCDN = CustomCDN === 'null' ? null : CustomCDN
  64.     let domain
  65.     if (CustomCDN && CustomCDN !== '') {
  66.         domain = CustomCDN
  67.         // Prevent custom CDNs from being disabled by update scripts
  68.         if (CustomCDN !== stored) {
  69.             GM_setValue('CustomCDN', domain)
  70.             log('CustomCDN was saved to GM storage')
  71.         }
  72.     } else if (CustomCDN === null && stored !== null) {
  73.         GM_setValue('CustomCDN', null)
  74.         log('CustomCDN was deleted from GM storage')
  75.     } else if (stored) {
  76.         domain = stored
  77.     }
  78.  
  79.     // Default Servers
  80.     if (!domain) {domain = {
  81.         'zh': 'cn-jxnc-cmcc-bcache-06.bilivideo.com',
  82.         'en': 'upos-sz-mirroraliov.bilivideo.com',
  83.         'ja': 'upos-sz-mirroralib.bilivideo.com'
  84.     }[Language]}
  85.  
  86.     log(`CDN=${domain}`)
  87.     return toURL(domain)
  88. })()
  89. const SettingsBarTitle = {
  90.     'zh': '拦截修改视频CDN',
  91.     'en': 'CDN Switcher',
  92.     'ja': 'CDNスイッチャー'
  93. }[Language]
  94.  
  95.  
  96. const playInfoTransformer = playInfo => {
  97.     const urlTransformer = i => {
  98.         const newUrl = i.base_url.replace(
  99.             /https:\/\/.*?\//,
  100.             Replacement
  101.         )
  102.         i.baseUrl = newUrl; i.base_url = newUrl
  103.     };
  104.     const durlTransformer = i => { i.url = i.url.replace(/https:\/\/.*?\//, Replacement) };
  105.  
  106.     if (playInfo.code !== (void 0) && playInfo.code !== 0) {
  107.         log('Failed to get playInfo, message:', playInfo.message)
  108.         return
  109.     }
  110.  
  111.     let video_info
  112.     if (playInfo.result) { // bangumi pages'
  113.         video_info = playInfo.result.dash === (void 0) ? playInfo.result.video_info : playInfo.result
  114.         if (!video_info?.dash) {
  115.             if (playInfo.result.durl && playInfo.result.durls) {
  116.                 video_info = playInfo.result // documentary trail viewing, m.bilibili.com/bangumi/play/* trail or non-trail viewing
  117.             } else {
  118.                 log('Failed to get video_info, limit_play_reason:', playInfo.result.play_check?.limit_play_reason)
  119.             }
  120.  
  121.             // durl & durls are for trial viewing, and they usually exist when limit_play_reason=PAY
  122.             video_info?.durl?.forEach(durlTransformer)
  123.             video_info?.durls?.forEach(durl => { durl.durl?.forEach(durlTransformer) })
  124.             return
  125.         }
  126.     } else { // video pages'
  127.         video_info = playInfo.data
  128.     }
  129.     try {
  130.         video_info.dash.video.forEach(urlTransformer)
  131.         video_info.dash.audio.forEach(urlTransformer)
  132.     } catch (err) {
  133.         if (video_info.durl) { // 充电专属视频、m.bilibili.com/video/*
  134.             log('accept_description:', video_info.accept_description?.join(', '))
  135.             video_info.durl.forEach(durlTransformer)
  136.         } else {
  137.             log('ERR:', err)
  138.         }
  139.     }
  140.     return
  141. }
  142.  
  143. // Network Request Interceptor
  144. const interceptNetResponse = (theWindow => {
  145.     const interceptors = []
  146.     const interceptNetResponse = (handler) => interceptors.push(handler)
  147.  
  148.     // when response === null && url is String, it's checking if the url is handleable
  149.     const handleInterceptedResponse = (response, url) => interceptors.reduce((modified, handler) => {
  150.         const ret = handler(modified, url)
  151.         return ret ? ret : modified
  152.     }, response)
  153.     const OriginalXMLHttpRequest = theWindow.XMLHttpRequest
  154.  
  155.     class XMLHttpRequest extends OriginalXMLHttpRequest {
  156.         get responseText() {
  157.             if (this.readyState !== this.DONE) return super.responseText
  158.             return handleInterceptedResponse(super.responseText, this.responseURL)
  159.         }
  160.         get response() {
  161.             if (this.readyState !== this.DONE) return super.response
  162.             return handleInterceptedResponse(super.response, this.responseURL)
  163.         }
  164.     }
  165.  
  166.     theWindow.XMLHttpRequest = XMLHttpRequest
  167.  
  168.     const OriginalFetch = fetch
  169.     theWindow.fetch = (input, init) => (!handleInterceptedResponse(null, input) ? OriginalFetch(input, init) :
  170.         OriginalFetch(input, init).then(response =>
  171.             new Promise((resolve) => response.text()
  172.                 .then(text => resolve(new Response(handleInterceptedResponse(text, input), {
  173.                     status: response.status,
  174.                     statusText: response.statusText,
  175.                     headers: response.headers
  176.                 })))
  177.             )
  178.         )
  179.     );
  180.  
  181.     return interceptNetResponse
  182. })(unsafeWindow)
  183.  
  184. const waitForElm = (selector) => new Promise(resolve => {
  185.     let ele = document.querySelector(selector)
  186.     if (ele) return resolve(ele)
  187.  
  188.     const observer = new MutationObserver(mutations => {
  189.         let ele = document.querySelector(selector)
  190.         if (ele) {
  191.             observer.disconnect()
  192.             resolve(ele)
  193.         }
  194.     })
  195.  
  196.     observer.observe(document.documentElement, {
  197.         childList: true,
  198.         subtree: true
  199.     })
  200.  
  201.     log('waitForElm, MutationObserver started.')
  202. })
  203.  
  204. // Parse HTML string to DOM Element
  205. function fromHTML(html) {
  206.     if (!html) throw Error('html cannot be null or undefined', html)
  207.     const template = document.createElement('template')
  208.     template.innerHTML = html
  209.     const result = template.content.children
  210.     return result.length === 1 ? result[0] : result
  211. }
  212.  
  213. (function () {
  214.     'use strict';
  215.     if (disabled) log('Plugin is Disabled');
  216.  
  217.     // Hook Bilibili PlayUrl Api
  218.     interceptNetResponse((response, url) => {
  219.         if (disabled) return
  220.         if (url.startsWith('https://api.bilibili.com/x/player/wbi/playurl') ||
  221.             url.startsWith('https://api.bilibili.com/pgc/player/web/v2/playurl') ||
  222.             url.startsWith('https://api.bilibili.com/x/player/playurl') ||
  223.             url.startsWith('https://api.bilibili.com/pgc/player/web/playurl') ||
  224.             url.startsWith('https://api.bilibili.com/pugv/player/web/playurl') // at /cheese/
  225.         ) {
  226.             if (response === null) return true // the url is handleable
  227.  
  228.             log('(Intercepted) playurl api response.')
  229.             const responseText = response
  230.             const playInfo = JSON.parse(responseText)
  231.             playInfoTransformer(playInfo)
  232.             return JSON.stringify(playInfo)
  233.         }
  234.     });
  235.  
  236.     // Modify Pages playinfo
  237.     if (location.host === 'm.bilibili.com') {
  238.         const optionsTransformer = (opts) => (opts.readyVideoUrl = opts.readyVideoUrl?.replace(/https:\/\/.*?\//, Replacement))
  239.  
  240.         if (!disabled && unsafeWindow.options) { // Modify unsafeWindow.options
  241.             log('Directly modify the window.options')
  242.             optionsTransformer(unsafeWindow.options)
  243.         } else {
  244.             let internalOptions = unsafeWindow.options
  245.             Object.defineProperty(unsafeWindow, 'options', {
  246.                 get: () => internalOptions,
  247.                 set: v => {
  248.                     if (!disabled) optionsTransformer(v);
  249.                     internalOptions = v
  250.                 }
  251.             })
  252.         }
  253.     } else {
  254.         if (!disabled && unsafeWindow.__playinfo__) { // Modify unsafeWindow.__playinfo__
  255.             log('Directly modify the window.__playinfo__')
  256.             playInfoTransformer(unsafeWindow.__playinfo__)
  257.         } else {
  258.             let internalPlayInfo = unsafeWindow.__playinfo__
  259.             Object.defineProperty(unsafeWindow, '__playinfo__', {
  260.                 get: () => internalPlayInfo,
  261.                 set: v => {
  262.                     if (!disabled) playInfoTransformer(v);
  263.                     internalPlayInfo = v
  264.                 }
  265.             })
  266.         }
  267.     }
  268.  
  269.     // Add setting checkbox
  270.     if (location.href.startsWith('https://www.bilibili.com/video/') || location.href.startsWith('https://www.bilibili.com/bangumi/play/')) {
  271.         waitForElm('#bilibili-player > div > div > div.bpx-player-primary-area > div.bpx-player-video-area > div.bpx-player-control-wrap > div.bpx-player-control-entity > div.bpx-player-control-bottom > div.bpx-player-control-bottom-right > div.bpx-player-ctrl-btn.bpx-player-ctrl-setting > div.bpx-player-ctrl-setting-box > div > div > div > div > div > div > div.bpx-player-ctrl-setting-others')
  272.             .then(settingsBar => {
  273.                 settingsBar.appendChild(fromHTML(`<div class="bpx-player-ctrl-setting-others-title">${SettingsBarTitle}</div>`))
  274.                 const checkBoxWrapper = fromHTML(`<div class="bpx-player-ctrl-setting-checkbox bpx-player-ctrl-setting-blackgap bui bui-checkbox bui-dark"><div class="bui-area"><input class="bui-checkbox-input" type="checkbox" checked="" aria-label="自定义视频CDN">
  275.     <label class="bui-checkbox-label">
  276.         <span class="bui-checkbox-icon bui-checkbox-icon-default"><svg xmlns="http://www.w3.org/2000/svg" data-pointer="none" viewBox="0 0 32 32"><path d="M8 6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h16a2 2 0 0 0 2-2V8a2 2 0 0 0-2-2H8zm0-2h16c2.21 0 4 1.79 4 4v16c0 2.21-1.79 4-4 4H8c-2.21 0-4-1.79-4-4V8c0-2.21 1.79-4 4-4z"></path></svg></span>
  277.         <span class="bui-checkbox-icon bui-checkbox-icon-selected"><svg xmlns="http://www.w3.org/2000/svg" data-pointer="none" viewBox="0 0 32 32"><path d="m13 18.25-1.8-1.8c-.6-.6-1.65-.6-2.25 0s-.6 1.5 0 2.25l2.85 2.85c.318.318.762.468 1.2.448.438.02.882-.13 1.2-.448l8.85-8.85c.6-.6.6-1.65 0-2.25s-1.65-.6-2.25 0l-7.8 7.8zM8 4h16c2.21 0 4 1.79 4 4v16c0 2.21-1.79 4-4 4H8c-2.21 0-4-1.79-4-4V8c0-2.21 1.79-4 4-4z"></path></svg></span>
  278.         <span class="bui-checkbox-name">${SettingsBarTitle}</span>
  279.     </label></div></div>`)
  280.                 const checkBox = checkBoxWrapper.getElementsByTagName('input')[0]
  281.                 checkBox.checked = !disabled
  282.  
  283.                 checkBoxWrapper.onclick = () => {
  284.                     if (checkBox.checked) {
  285.                         disabled = false
  286.                         GM_setValue('disabled', false)
  287.                         log(`已启用 ${SettingsBarTitle}`)
  288.                     } else {
  289.                         disabled = true
  290.                         GM_setValue('disabled', true)
  291.                         log(`已禁用 ${SettingsBarTitle}`)
  292.                     }
  293.                 }
  294.  
  295.                 settingsBar.appendChild(checkBoxWrapper)
  296.                 log('checkbox added, MutationObserver disconnected.')
  297.             });
  298.     }
  299. })();

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