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抖音/快手/微视/instagram/TIKTOK/小红书/微博/今日头条 主页视频下载

在抖音/快手/微视/instagram/TIKTOK/小红书/微博/今日头条 主页右小角显示视频下载按钮

  1. // ==UserScript==
  2. // @name         抖音/快手/微视/instagram/TIKTOK/小红书/微博/今日头条 主页视频下载
  3. // @namespace    shortvideo_homepage_downloader
  4. // @version      1.3.4
  5. // @description  在抖音/快手/微视/instagram/TIKTOK/小红书/微博/今日头条 主页右小角显示视频下载按钮
  6. // @author       hunmer
  7. // @match        https://pixabay.com/videos/search/*
  8. // @match        https://www.xinpianchang.com/discover/*
  9. // @match        https://www.douyin.com/user/*
  10. // @match        https://www.douyin.com/search/*
  11. // @match        https://www.douyin.com/video/*
  12. // @match        https://www.douyin.com/note/*
  13. // @match        https://www.toutiao.com/c/user/token/*
  14. // @match        https://www.kuaishou.com/profile/*
  15. // @match        https://www.kuaishou.com/search/video*
  16. // @match1       https://www.youtube.com/@*/shorts
  17. // @match        https://x.com/*/media
  18. // @match        https://weibo.com/u/*?tabtype=newVideo*
  19. // @match        https://isee.weishi.qq.com/ws/app-pages/wspersonal/index.html*
  20. // @match        https://www.instagram.com/*
  21. // @match        https://www.xiaohongshu.com/user/profile/*
  22. // @match        https://www.xiaohongshu.com/search_result/*
  23. // @match        https://www.xiaohongshu.com/explore*
  24. // @match        https://www.tiktok.com/@*
  25. // @match        https://www.tiktok.com/search*
  26. // @match        https://artlist.io/stock-footage/story/*
  27. // @match        https://artlist.io/stock-footage/search?*
  28. // @icon         https://lf1-cdn-tos.bytegoofy.com/goofy/ies/douyin_web/public/favicon.ico
  29. // @grant        GM_download
  30. // @grant        GM_addStyle
  31. // @grant        GM_setValue
  32. // @grant        GM_getValue
  33. // @grant        GM_addElement
  34. // @grant        unsafeWindow
  35. // @grant        GM_xmlhttpRequest
  36. // @run-at       document-start
  37. // @license      MIT
  38. // ==/UserScript==
  39. const $ = selector => document.querySelectorAll('#_dialog '+selector)
  40. const ERROR = -1, WAITTING = 0, DOWNLOADING = 1, DOWNLOADED = 2
  41. const VERSION = '1.3.4', RELEASE_DATE = '2025/03/31'
  42. const DEBUGING = false
  43. const DEBUG = (...args) => DEBUGING && console.log.apply(this, args)
  44. const toArr = arr => Array.isArray(arr) ? arr : [arr]
  45. const guid = () => {
  46.     return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
  47.         var r = Math.random() * 16 | 0,
  48.             v = c == 'x' ? r : (r & 0x3 | 0x8)
  49.         return v.toString(16)
  50.     })
  51. }
  52. Date.prototype.format = function (fmt) {
  53.     var o = {
  54.         "M+": this.getMonth() + 1,
  55.         "d+": this.getDate(),
  56.         "h+": this.getHours(),
  57.         "m+": this.getMinutes(),
  58.         "s+": this.getSeconds(),
  59.         "q+": Math.floor((this.getMonth() + 3) / 3),
  60.         "S": this.getMilliseconds()
  61.     };
  62.     if (/(y+)/.test(fmt)) {
  63.         fmt = fmt.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length))
  64.     }
  65.     for (var k in o) {
  66.         if (new RegExp("(" + k + ")").test(fmt)) {
  67.             fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)))
  68.         }
  69.     }
  70.     return fmt
  71. }
  72. const flattenArray = arr => {
  73.     if(!Array.isArray(arr)) return []
  74.     var result = []
  75.     for (var i = 0; i < arr.length; i++) {
  76.         if (Array.isArray(arr[i])) {
  77.             result = result.concat(flattenArray(arr[i]))
  78.         } else {
  79.             result.push(arr[i])
  80.         }
  81.     }
  82.     return result
  83. }
  84. const getExtName = name => {
  85.     switch(name){
  86.         case 'video':
  87.             return 'mp4'
  88.         case 'image':
  89.         case 'photo':
  90.             return 'jpg'
  91.     }
  92.     return name ?? 'mp4'
  93. }
  94. const escapeHTMLPolicy = typeof(trustedTypes) != 'undefined' ? trustedTypes.createPolicy("forceInner", {
  95.     createHTML: html => html,
  96. }) : {
  97.     createHTML: html => html
  98. }
  99. const createHTML = html => escapeHTMLPolicy.createHTML(html)
  100. const openFileDialog = ({callback, accept = '*'}) => {
  101.   let input = document.createElement('input')
  102.   input.type = 'file'
  103.   input.style.display = 'none'
  104.   input.accept = accept
  105.   document.body.appendChild(input)
  106.   input.addEventListener('change', ev => callback(ev.target.files) & input.remove())
  107.   input.click()
  108. }
  109.  
  110. const loadRes = (files, callback) => {
  111.     return new Promise(reslove => {
  112.         files = [...files]
  113.         var next = () => {
  114.             let url = files.shift()
  115.             if (url == undefined) {
  116.                 callback && callback()
  117.                 return reslove()
  118.             }
  119.             let fileref, ext = url.split('.').at(-1)
  120.             if (ext == 'js') {
  121.                 fileref = GM_addElement('script', {
  122.                     src: url,
  123.                     type: ext == 'js' ? "text/javascript" : 'module'
  124.                 })
  125.             } else if (ext == "css") {
  126.                 fileref = GM_addElement('link', {
  127.                     href: url,
  128.                     rel: "stylesheet",
  129.                     type: "text/css"
  130.                 })
  131.             }
  132.             if (fileref != undefined) {
  133.                 let el = document.getElementsByTagName("head")[0].appendChild(fileref)
  134.                 el.onload = next, el.onerror = next
  135.             } else {
  136.                 next()
  137.             }
  138.         }
  139.         next()
  140.     })
  141. }
  142.  
  143. const cutString = (s_text, s_start, s_end, i_start = 0, fill = false) => {
  144.     i_start = s_text.indexOf(s_start, i_start)
  145.     if (i_start === -1) return ''
  146.     i_start += s_start.length
  147.     i_end = s_text.indexOf(s_end, i_start)
  148.     if (i_end === -1) {
  149.         if (!fill) return ''
  150.         i_end = s_text.length
  151.     }
  152.     return s_text.substr(i_start, i_end - i_start)
  153. }
  154. const getParent = (el, callback) => {
  155.     let par = el
  156.     while(par && !callback(par)){
  157.         par = par.parentElement
  158.     }
  159.     return par
  160. }
  161. const chooseObject = (cb, ...objs) => {
  162.     let callback = typeof(cb) == 'function' ? cb : obj => obj?.[cb]
  163.     return objs.find(callback)
  164. }
  165.  
  166. // 样式
  167. GM_addStyle(`
  168.   ._dialog {
  169.   input[type=checkbox] {
  170.      -webkit-appearance: auto !important;
  171.   }
  172.   color: white !important;
  173.   font-size: large !important;
  174.   font-family: unset !important;
  175.     input {
  176.       color: white;
  177.       border: 1px solid;
  178.     }
  179.     table tr td, table tr th {
  180.        vertical-align: middle;
  181.     }
  182.     input[type=text], button {
  183.       color: white !important;
  184.       background-color: unset !important;
  185.     }
  186.     table input[type=checkbox] {
  187.          width: 20px;
  188.          height: 20px;
  189.          transform: scale(1.5);
  190.          -webkit-appearance: checkbox;
  191.     }
  192.   }
  193.   body:has(dialog[open]) {
  194.     overflow: hidden;
  195.   }
  196. `);
  197.  
  198. unsafeWindow._downloader = _downloader = {
  199.   loadRes,
  200.   resources: [], running: false, downloads: {},
  201.   options: Object.assign({
  202.     threads: 8,
  203.     firstRun: true,
  204.     autoRename: false,
  205.     alert_done: true,
  206.     show_img_limit: 500,
  207.     douyin_host: 1, // 抖音默认第二个线路
  208.     timeout: 1000 * 60,
  209.     retry_max: 60,
  210.     autoScroll: true,
  211.     aria2c_port: 6800,
  212.     aria2c_saveTo: './downloads'
  213.   }, GM_getValue('config', {})),
  214.   saveOptions(opts = {}){
  215.     opts = Object.assign(this.options, opts)
  216.     GM_setValue('config', opts)
  217.   },
  218.   _aria_callbacks: [],
  219.   bindAria2Event(method, gid, callback){
  220.       this._aria_callbacks.push({
  221.           method: 'aria2.' + method,
  222.           gid, callback
  223.       })
  224.   },
  225.   enableAria2c(enable){
  226.       if(enable){
  227.           if(!this.aria2c){
  228.               loadRes(['https://www.unpkg.com/httpclient@0.1.0/bundle.js', 'https://www.unpkg.com/aria2@2.0.1/bundle.js'], () => {
  229.                   this.writeLog('正在连接aria2，请等待连接成功后再开始下载！！！', 'ARIA2C')
  230.                   var aria2 = this.aria2c = new unsafeWindow.Aria2({
  231.                       host: 'localhost',
  232.                       port: this.options.aria2c_port,
  233.                       secure: false,
  234.                       secret: '',
  235.                       path: '/jsonrpc',
  236.                       jsonp: false
  237.                   })
  238.                   aria2.open().then(() => {
  239.                       aria2.opening = true
  240.                       this.writeLog('aria2成功连接！', 'ARIA2C')
  241.                       $('[data-for="useAria2c"]')[0].checked = true
  242.                   })
  243.                   aria2.onclose =  () => {
  244.                       aria2.opening = false
  245.                       this.writeLog('aria2失去连接！', 'ARIA2C')
  246.                       $('[data-for="useAria2c"]')[0].checked = false
  247.                   }
  248.                   aria2.onmessage = ({ method: _method, id, result, params }) => {
  249.                       console.log({_method, result, params})
  250.                       switch (_method) {
  251.                           // case 'aria2.onDownloadError': // 下载完成了还莫名触发？
  252.                           case 'aria2.onDownloadComplete':
  253.                               for (let i = this._aria_callbacks.length - 1; i >= 0; i--) {
  254.                                   let { gid, method, callback } = this._aria_callbacks[i]
  255.                                   if (gid == params[0].gid) {
  256.                                       if (method == _method) { // 如果gid有任何一个事件成功了则删除其他事件绑定
  257.                                           callback()
  258.                                       }
  259.                                       this._aria_callbacks.splice(i, 1)
  260.                                   }
  261.                               }
  262.                               return
  263.                       }
  264.                   }
  265.               })
  266.           }
  267.       }else{
  268.           if(this.aria2c){
  269.               this.aria2c.close()
  270.               this.aria2c = undefined
  271.           }
  272.       }
  273.   },
  274.   addDownload(opts){
  275.       console.log(opts)
  276.       let _id = guid()
  277.       var {id, url, name, error, success, download, downloadTool} = opts
  278.       if(download){ // 命名规则
  279.           let {ext, type, title} = download
  280.           ext ||= getExtName(type)
  281.           name = this.safeFileName(this.getDownloadName(id) ?? title) + (ext != '' ? '.' + ext : '')
  282.       }
  283.       const callback = (status, msg) => {
  284.           let cb = opts[status]
  285.           cb && cb(msg)
  286.           this.removeDownload(_id)
  287.       }
  288.       var abort, timer
  289.       var headers = this.getHeaders(url)
  290.       if(downloadTool == 'm3u8dl'){
  291.           let base64 = new Base64().encode(`"${url}" --workDir "${this.options.aria2c_saveTo}" --saveName "${name}" --enableDelAfterDone --headers "Referer:https://artlist.io/" --maxThreads "6" --downloadRange "0-1"`)
  292.           unsafeWindow.open(`m3u8dl://`+base64, '_blank')
  293.           return callback('success', '下载完成...')
  294.       }
  295.       if(this.aria2c){
  296.            var _guid
  297.            this.aria2c.send("addUri", [url], {
  298.                dir: this.options.aria2c_saveTo,
  299.                header: Object.entries(headers).map(([k, v]) => `${k}: ${v}`),
  300.                out: name,
  301.            }).then(guid => {
  302.                _guid = guid
  303.                this.bindAria2Event('onDownloadComplete', guid, () => callback('success', '下载完成...'))
  304.                this.bindAria2Event('onDownloadError', guid, () => callback('error', '下载失败'))
  305.            })
  306.            abort = () => _guid && this.aria2c.send("remove", [_guid])
  307.       }else{
  308.           var fileStream
  309.           abort = () => fileStream.abort()
  310.           timer = setTimeout(() => {
  311.               callback('error', '超时')
  312.               this.removeDownload(_id, true)
  313.           }, this.options.timeout)
  314.           const writeStream = readableStream => {
  315.               if (unsafeWindow.WritableStream && readableStream.pipeTo) {
  316.                   return readableStream.pipeTo(fileStream).then(() => callback('success', '下载完成...')).catch(err => callback('error', '下载失败'))
  317.               }
  318.           }
  319.           let isTiktok = location.host == 'www.tiktok.com'
  320.           if(isTiktok) headers.Referer = url
  321.           GM_xmlhttpRequest({
  322.               url, headers,
  323.               redirect: 'follow', responseType: 'blob', method: "GET",
  324.               onload: ({response, status}) => {
  325.                   console.log({response, status})
  326.                   // BUG 不知为啥tiktok无法使用流保存
  327.                   if(isTiktok || typeof(streamSaver) == 'undefined'){
  328.                       return unsafeWindow.saveAs(response, name) & callback('success', '下载完成...')
  329.                   }
  330.                   let res = new Response(response).clone()
  331.                   fileStream = streamSaver.createWriteStream(name, {size: response.size})
  332.                   writeStream(res.body)
  333.                   //writeStream(response.stream())
  334.               }
  335.           })
  336.       }
  337.       return this.downloads[_id] = {abort, timer}
  338.    },
  339.   removeDownload(id, cancel = false){
  340.       let {timer, abort} = this.downloads[id] ?? {}
  341.       if(timer) clearTimeout(timer)
  342.       cancel && abort()
  343.       delete this.downloads[id]
  344.   },
  345.   setBadge(html){
  346.     let fv = document.querySelector('#_ftb')
  347.     if(!fv){
  348.         fv = document.createElement('div')
  349.         fv.id = '_ftb'
  350.         fv.style.cssText = `position: fixed;bottom: 50px;right: 50px;border-radius: 20px;background-color: #fe2c55;color: white;z-index: 999;cursor: pointer;padding: 5px;`
  351.         fv.onclick = () => this.showList()
  352.         fv.oncontextmenu = ev => {
  353.             this.setList([], false)
  354.             fv.remove()
  355.             ev.stopPropagation(true) & ev.preventDefault()
  356.         }
  357.         document.body.append(fv)
  358.     }
  359.       fv.innerHTML = createHTML(html)
  360.   },
  361.   init(){ // 初始化
  362.     const parseDouyinList = data => {
  363.         let {video, desc, images} = data
  364.         let author = data.author ?? data.authorInfo
  365.         let aweme_id = data.aweme_id ?? data.awemeId
  366.         let create_time = data.create_time ?? data.createTime
  367.         //let {uri, height} = video.play_addr || {}
  368.         let xl = this.options.douyin_host
  369.         return {
  370.             status: WAITTING,
  371.             id: aweme_id,
  372.             url: 'https://www.douyin.com/video/'+aweme_id,
  373.             cover: (video?.cover?.url_list || video?.coverUrlList)[0],
  374.             author_name: author.nickname,
  375.             create_time: create_time * 1000,
  376.             urls: images ? images.map(({height, width, download_url_list, downloadUrlList}, index) => {
  377.                 return {url: (download_url_list ?? downloadUrlList)[0], type: 'photo'}
  378.             }) : video.play_addr.url_list.at(xl),
  379.             title: desc,
  380.             data
  381.         }
  382.     }
  383.     this.HOSTS = { // 网站规则
  384.         'x.com': {
  385.             title: '推特', id: 'twitter',
  386.             rules: [
  387.                  {
  388.                     url: 'https://x.com/i/api/graphql/(.*?)/UserMedia',
  389.                     type: 'network',
  390.                     parseList: json => json?.data?.user?.result?.timeline_v2?.timeline?.instructions?.[0]?.moduleItems,
  391.                     parseItem: data => {
  392.                         let {legacy, user_results, core, views: {count: view_count}} = data.item.itemContent.tweet_results.result
  393.                         let {description: author_desc, name: author_name, id: author_id,} = core.user_results.result
  394.                         let {created_at, full_text: title, lang, extended_entities, favorite_count, bookmark_count, quote_count, reply_count, retweet_count, id_str: id} = legacy
  395.                         if(extended_entities?.media) return extended_entities.media.map(({type, media_url_https: url, original_info: {height, width}}, index) => {
  396.                             return {
  397.                                 status: WAITTING,
  398.                                 url: 'https://x.com/pentarouX/status/'+id,
  399.                                 cover: url+'?format=jpg&name=360x360',
  400.                                 id: id, author_name, urls: [{url, type}], title, index, create_time: created_at,
  401.                                 data
  402.                             }
  403.                         })
  404.                     }
  405.                 }
  406.             ]
  407.         },
  408.         'www.youtube.com': {
  409.             title: '油管', id: 'youtube',
  410.             getVideoURL: item => new Promise(reslove => {
  411.                 fetch(item.url).then(resp => resp.text()).then(text => {
  412.                     let json = JSON.parse(cutString(text, '"noteDetailMap":', ',"serverRequestInfo":'))
  413.                     let meta = item.meta = json[item.id]
  414.                     reslove(meta.note.video.media.stream.h264[0].masterUrl)
  415.                 })
  416.             }),
  417.             rules: [
  418.                  {
  419.                     url: 'https://www.youtube.com/youtubei/v1/browse',
  420.                     type: 'fetch',
  421.                     parseList: json => json?.onResponseReceivedActions[0].appendContinuationItemsAction.continuationItems,
  422.                     parseItem: data => {
  423.                         if(!data.richItemRenderer) return
  424.                         let {videoId, headline, thumbnail} = data.richItemRenderer.content.reelItemRenderer
  425.                         return {
  426.                             status: WAITTING,
  427.                             id: videoId,
  428.                             url: 'https://www.youtube.com/shorts/'+videoId,
  429.                             cover: thumbnail.thumbnails[0].url,
  430.                             author_name: '', urls: '', title: headline.simpleText,
  431.                             data
  432.                         }
  433.                     }
  434.                 }
  435.             ]
  436.         },
  437.         'pixabay.com': {
  438.             title: 'pixabay', id: 'pixabay',
  439.             rules: [
  440.                  {
  441.                     type: 'object',
  442.                     getObject: window => window?.__BOOTSTRAP__?.page?.results,
  443.                     parseList: json => json,
  444.                     parseItem: data => {
  445.                         let {id, description, href , user, uploadDate, name, sources} = data
  446.                         return {
  447.                             status: WAITTING,id, url: 'https://pixabay.com'+href, cover: sources.thumbnail,
  448.                             author_name: user.username,
  449.                             urls: sources.mp4.replace('_tiny', ''),
  450.                             title: `【${name}】${description}`, create_time: uploadDate,
  451.                             data
  452.                         }
  453.                     }
  454.                 }
  455.             ]
  456.         },
  457.         'weibo.com': {
  458.             title: '微博', id: 'weibo',
  459.             rules: [
  460.                  {
  461.                     url: 'https://weibo.com/ajax/profile/getWaterFallContent',
  462.                     type: 'network',
  463.                     parseList: json => json?.data?.list,
  464.                     parseItem: data => {
  465.                         let {page_info, created_at, text_raw} = data
  466.                         let {short_url, object_id, media_info, page_pic} = page_info
  467.                         return {
  468.                             status: WAITTING,
  469.                             id: object_id,
  470.                             url: short_url,
  471.                             cover: page_pic,
  472.                             author_name: media_info.author_name,
  473.                             urls: media_info.playback_list[0].play_info.url,
  474.                             title: text_raw, create_time: created_at,
  475.                             data
  476.                         }
  477.                     }
  478.                 }
  479.             ]
  480.         },
  481.         'www.xinpianchang.com': {
  482.             title: '新片场', id: 'xinpianchang',
  483.             runAtWindowLoaded: false,
  484.             getVideoURL: item => new Promise(reslove => {
  485.                 fetch(`https://mod-api.xinpianchang.com/mod/api/v2/media/${item.media_id}?appKey=61a2f329348b3bf77&extend=userInfo%2CuserStatus`).then(resp => resp.json()).then(json => {
  486.                     reslove(json.data.resource.progressive.find(({url}) => url != '').url)
  487.                 })
  488.             }),
  489.             rules: [
  490.                  {
  491.                     url: 'https://www.xinpianchang.com/_next/data/',
  492.                     type: 'json',
  493.                     parseList: json => {
  494.                         return flattenArray((json?.pageProps?.squareData?.section || []).map(({articles}) => articles || []))
  495.                     },
  496.                     parseItem: data => {
  497.                         let {author, content, cover, media_id, title, web_url, publish_time, id} = data
  498.                         return {
  499.                             status: WAITTING,id, url: web_url, cover, title, media_id,
  500.                             author_name: author.userinfo.username,
  501.                             create_time: publish_time,
  502.                             data
  503.                         }
  504.                     }
  505.                 }
  506.             ]
  507.         },
  508.         'www.xiaohongshu.com': {
  509.             title: '小红书', id: 'xhs',
  510.             getVideoURL: item => new Promise(reslove => {
  511.                 fetch(item.url).then(resp => resp.text()).then(text => {
  512.                     let json = JSON.parse(cutString(text, '"noteDetailMap":', ',"serverRequestInfo":'))
  513.                     let note = json[item.id].note
  514.                     Object.assign(item, {create_time: note.time, meta: note})
  515.                     console.log(note)
  516.                     reslove(note.type == 'video' ? {url: note.video.media.stream.h265[0].masterUrl, type: 'video'} : note.imageList.map(({urlDefault}) => {
  517.                         return {url: urlDefault, type: 'photo'}
  518.                     }))
  519.                 })
  520.             }),
  521.             rules: [
  522.                 {
  523.                     type: 'object',
  524.                     getObject: window => location.href.startsWith('https://www.xiaohongshu.com/explore/') ? window?.__INITIAL_STATE__?.note?.noteDetailMap : {},
  525.                     parseList: json => {
  526.                         let list = Object.values(json).filter(({note}) => note).map(({note}) => note)
  527.                         return list
  528.                     },
  529.                     parseItem: data => {
  530.                         let { desc, imageList = [], noteId: id, time, user, xsecToken, title, type, video} = data
  531.                         let images = imageList.map(({urlDefault}) => {
  532.                             return {url: urlDefault, type: 'photo'}
  533.                         })
  534.                         let urls = type == 'normal' ? images : video.media.stream.h265[0].masterUrl
  535.                         return {
  536.                             status: WAITTING, author_name: user.nickname, id, url: 'https://www.xiaohongshu.com/explore/'+id, urls,
  537.                             cover: images[0].url,
  538.                             title: desc, data
  539.                         }
  540.                     }
  541.                 },
  542.                 {
  543.                     type: 'object',
  544.                     getObject: window => chooseObject(obj => flattenArray(obj).length > 0, window?.__INITIAL_STATE__?.user.notes?._rawValue, window?.__INITIAL_STATE__?.search.feeds?._rawValue,  window?.__INITIAL_STATE__?.feed.feeds?._rawValue),
  545.                     parseList: json => {
  546.                         let list = []
  547.                         Array.isArray(json) && json.forEach(items => {
  548.                             if(Array.isArray(items)) {
  549.                                 items.forEach(item => {
  550.                                     if(item.noteCard) list.push(item)
  551.                                 })
  552.                             }else
  553.                             if(items?.noteCard){
  554.                                 list.push(items)
  555.                             }
  556.                         })
  557.                         return list
  558.                     },
  559.                     parseItem: data => {
  560.                         let { cover, displayTitle, noteId, type, user, xsecToken} = data?.noteCard || {}
  561.                         let id = noteId ?? data.id
  562.                         xsecToken ??= data.xsecToken ??= ''
  563.                         // if(xsecToken) {
  564.                             return {
  565.                                 status: WAITTING, author_name: user.nickname, id, url: `https://www.xiaohongshu.com/explore/${id}?source=webshare&xhsshare=pc_web&xsec_token=${xsecToken.slice(0, -1)}=&xsec_source=pc_share`,
  566.                                 // +'?xsec_token='+xsecToken+'=&xsec_source=pc_user',
  567.                                 cover: cover.urlDefault,
  568.                                 title: (displayTitle ?? '').replaceAll('🥹', ''), data
  569.                             }
  570.                         // }
  571.                     }
  572.                 }
  573.             ]
  574.         },
  575.         'isee.weishi.qq.com': {
  576.             title: '微视', id: 'weishi',
  577.             rules: [
  578.                 {
  579.                     url: 'https://api.weishi.qq.com/trpc.weishi.weishi_h5_proxy.weishi_h5_proxy/GetPersonalFeedList',
  580.                     type: 'network',
  581.                     parseList: json => json?.rsp_body?.feeds,
  582.                     parseItem: data => {
  583.                         let {feed_desc, id, poster, publishtime, urls, video_cover, createtime } = data
  584.                         return {
  585.                             status: WAITTING, author_name: poster?.nick, id, url: 'https://isee.weishi.qq.com/ws/app-pages/share/index.html?id='+id,
  586.                             cover: video_cover.static_cover.url,
  587.                             urls, title: feed_desc,
  588.                             create_time: createtime * 1000,
  589.                             data
  590.                         }
  591.                     }
  592.                 }
  593.             ]
  594.         },
  595.         'www.kuaishou.com': {
  596.             title: '快手', id: 'kuaishou',
  597.             rules: [
  598.                 {
  599.                     url: 'https://www.kuaishou.com/graphql',
  600.                     type: 'json',
  601.                     parseList: json => {
  602.                         let href = location.href
  603.                         if(href.startsWith('https://www.kuaishou.com/profile/')){
  604.                             return json?.data?.visionProfileLikePhotoList?.feeds || json?.data?.visionProfilePhotoList?.feeds
  605.                         }
  606.                         if(href.startsWith('https://www.kuaishou.com/search/')){
  607.                             return json?.data?.visionSearchPhoto?.feeds
  608.                         }
  609.                     },
  610.                     parseItem: data => {
  611.                         let {photo, author} = data
  612.                         return {
  613.                             status: WAITTING, author_name: author.name, id: photo.id, url: 'https://www.kuaishou.com/short-video/'+photo.id,
  614.                             cover: photo.coverUrl,
  615.                             urls: photo.photoUrl,
  616.                             create_time: photo.timestamp,
  617.                             // urls: photo.videoResource.h264.adaptationSet[0].representation[0].url,
  618.                             title: photo.originCaption,
  619.                             data
  620.                         }
  621.                     }
  622.                 }
  623.             ],
  624.         },
  625.         'www.toutiao.com': {
  626.             title: '今日头条短视频', id: 'toutiao',
  627.             rules: [
  628.                 {
  629.                     url: 'https://www.toutiao.com/api/pc/list/user/feed',
  630.                     type: 'json',
  631.                     parseList: json => json?.data,
  632.                     parseItem: data => {
  633.                         let {video, title, id, user, thumb_image_list, create_time} = data
  634.                         return {
  635.                             status: WAITTING, id, title, data,
  636.                             url: 'https://www.toutiao.com/video/'+id,
  637.                             cover: thumb_image_list[0].url,
  638.                             author_name: user.info.name,
  639.                             create_time: create_time * 1000,
  640.                             urls: video.download_addr.url_list[0],
  641.                         }
  642.                     }
  643.                 }
  644.             ],
  645.         },
  646.         'www.douyin.com': {
  647.             title: '抖音', id: 'douyin',
  648.             scrollContainer: {
  649.                 'https://www.douyin.com/user/': '.route-scroll-container'
  650.             },
  651.             hosts: [0, 1, 2], // 3个线路
  652.             runAtWindowLoaded: false,
  653.             bindVideoElement: {
  654.                 initElement: node => {
  655.                     let par = getParent(node, el => el?.dataset?.e2eVid)
  656.                     if(par) return {id: par.dataset.e2eVid}
  657.                     let id = cutString(location.href + '?', '/video/', '?')
  658.                     if(id) return {id}
  659.                 }
  660.             },
  661.             timeout: {
  662.                 '/user/': 500,
  663.                 '/note/': 500,
  664.                 '/video/': 500,
  665.                 '/search/': 500,
  666.             },
  667.             rules: [
  668.                 {
  669.                     type: 'object',
  670.                     getObject: window => {
  671.                         let noteId = cutString(window.location.href + '#', '/note/', '#')
  672.                         if(noteId){
  673.                             let raw = cutString((window?.self?.__pace_f ?? []).filter(arr => arr.length == 2).map(([k, v]) => v || '').join(''), '"aweme":{', ',"comment').replaceAll(`\\"`, '')
  674.                             if(raw.at(-1) == '}'){
  675.                                 let json = JSON.parse("{"+raw)
  676.                                 if(json.detail.awemeId == noteId) return json
  677.                             }
  678.                         }
  679.                     },
  680.                     parseList: json => {
  681.                         return json ? [json.detail] : []
  682.                     },
  683.                     parseItem: parseDouyinList
  684.                 },
  685.                 { // 个人喜欢
  686.                     url: 'https://www.douyin.com/aweme/v1/web/aweme/favorite/',
  687.                     type: 'network',
  688.                     parseList: json => location.href == 'https://www.douyin.com/user/self?from_tab_name=main&showTab=like' ? json?.aweme_list : [],
  689.                     parseItem: parseDouyinList,
  690.                 },
  691.                 { // 个人收藏
  692.                     url: 'https://www.douyin.com/aweme/v1/web/aweme/listcollection/',
  693.                     type: 'network',
  694.                     parseList: json => location.href == 'https://www.douyin.com/user/self?from_tab_name=main&showTab=favorite_collection' ? json?.aweme_list : [],
  695.                     parseItem: parseDouyinList,
  696.                 },
  697.                 {
  698.                     url: 'https://(.*?).douyin.com/aweme/v1/web/aweme/post/',
  699.                     type: 'network',
  700.                     parseList: json => location.href.startsWith('https://www.douyin.com/user/') ? json?.aweme_list : [],
  701.                     parseItem: parseDouyinList
  702.                 }, {
  703.                     url: 'https://www.douyin.com/aweme/v1/web/general/search/single/',
  704.                     type: 'network',
  705.                     parseList: json => json?.data,
  706.                     parseItem: data => parseDouyinList(data.aweme_info)
  707.                 },{
  708.                     url: 'https://www.douyin.com/aweme/v1/web/aweme/detail/',
  709.                     type: 'network',
  710.                     parseList: json => location.href.startsWith('https://www.douyin.com/video/') ? [json.aweme_detail] : [],
  711.                     parseItem: parseDouyinList
  712.                 },
  713.             ]
  714.         },
  715.          'www.tiktok.com': {
  716.             title: '国际版抖音', id: 'tiktok',
  717.             rules: [
  718.                 {
  719.                     url: 'https://www.tiktok.com/api/post/item_list/',
  720.                     type: 'respone.json',
  721.                     parseList: json => json?.itemList,
  722.                     parseItem: data => {
  723.                         let {video, desc, author, id, createTime} = data
  724.                         return {
  725.                             status: WAITTING, id,
  726.                             url: 'https://www.tiktok.com/@'+ author.uniqueId +'/video/'+id,
  727.                             cover: video.originCover,
  728.                             author_name: author.nickname,
  729.                             create_time: createTime * 1000,
  730.                             //urls: video.downloadAddr,
  731.                             urls: video?.bitrateInfo?.[0]?.PlayAddr.UrlList[0],
  732.                             title: desc,
  733.                             data
  734.                         }
  735.                     }
  736.                 },
  737.                 {
  738.                     url: 'https://www.tiktok.com/api/search/general/full/',
  739.                     type: 'respone.json',
  740.                     parseList: json => json?.data,
  741.                     parseItem: data => {
  742.                         let {video, desc, author, id, createTime} = data.item
  743.                         return {
  744.                             status: WAITTING, id,
  745.                             url: 'https://www.tiktok.com/@'+ author.uniqueId +'/video/'+id,
  746.                             cover: video.originCover,
  747.                             author_name: author.nickname,
  748.                             create_time: createTime * 1000,
  749.                             urls: video?.bitrateInfo?.[0]?.PlayAddr.UrlList?.at(-1),
  750.                             title: desc,
  751.                             data
  752.                         }
  753.                     }
  754.                 }
  755.             ]
  756.         },
  757.          'www.instagram.com': {
  758.             title: 'INS', id: 'instagram',
  759.             rules: [
  760.                 {
  761.                     url: 'https://www.instagram.com/graphql/query',
  762.                     type: 'network',
  763.                     parseList: json => json?.data?.xdt_api__v1__feed__user_timeline_graphql_connection?.edges,
  764.                     parseItem: data => {
  765.                         // media_type == 2
  766.                         let {code, owner, product_type, image_versions2, video_versions, caption } = data.node
  767.                         if(product_type == "clips") return {
  768.                             // owner.id
  769.                             status: WAITTING, id: code,
  770.                             url: 'https://www.instagram.com/reel/'+code+'/',
  771.                             cover: image_versions2.candidates[0].url,
  772.                             author_name: owner.username,
  773.                             urls: video_versions[0].url,
  774.                             create_time: caption.created_at * 1000,
  775.                             title: caption.text,
  776.                             data
  777.                         }
  778.                     }
  779.                 }
  780.             ]
  781.         },
  782.         'artlist.io': {
  783.             title: 'artlist', id: 'artlist',
  784.             rules: [
  785.                 {
  786.                     // url: 'https://search-api.artlist.io/v1/graphql',
  787.                     type: 'json',
  788.                     parseList: json => {
  789.                         return json?.data?.story?.clips || json?.data?.clipList?.exactResults
  790.                     },
  791.                     parseItem: data => {
  792.                         let {thumbnailUrl, clipPath, clipName, orientation, id, clipNameForUrl, storyNameForURL } = data
  793.                         return {
  794.                             status: WAITTING, id, downloadTool: 'm3u8dl',
  795.                             url: 'https://artlist.io/stock-footage/clip/'+clipNameForUrl+'/'+id,
  796.                             cover: thumbnailUrl,
  797.                             author_name: storyNameForURL,
  798.                             urls: [{url: clipPath.replace('playlist', '1080p'), type: ""}],
  799.                             title: clipName,
  800.                             data
  801.                         }
  802.                     }
  803.                 }
  804.             ]
  805.         }
  806.     }
  807.     let DETAIL = this.DETAIL = this.HOSTS[location.host]
  808.     if(!DETAIL) return
  809.     console.log(DETAIL)
  810.     var originalParse, originalSend, originalFetch, originalResponseJson
  811.     const initFun = () => {
  812.         originalParse = JSON.parse, originalSend = XMLHttpRequest.prototype.send, originalFetch = unsafeWindow._fetch = unsafeWindow.fetch, originalResponseJson = Response.prototype.json
  813.         if(this.options.firstRun){
  814.             this.options.firstRun = false
  815.             this.saveOptions()
  816.             alert("欢迎使用此视频批量下载脚本，以下是常见问题:\n【1】.Q:为什么没有显示下载入口？A:当前网址不支持\n【2】Q:为什么捕获不到视频?A:试着滚动视频列表，让他进行加载\n【3】Q:为什么抖音主页显示用户未找到?A:多刷新几次【4】Q:提示下载失败怎么办?A:可以批量导出链接用第三方软件进行下载（如IDM）")
  817.         }
  818.         this.setBadge("等待滚动捕获数据中...")
  819.     }
  820.  
  821.     var resources = this.resources, object_callbacks = []
  822.     const hook = () => {
  823.         let json_callbacks = [], network_callbacks = [], fetch_callbacks = [], respone_json_callbacks = []
  824.         DETAIL.rules.forEach(({type, parseList, parseItem, url, getObject, match}, rule_index) => {
  825.             const callback = json => {
  826.                 // console.log(json)
  827.                 try {
  828.                     // TODO sort
  829.                     let cnt = resources.push(...(flattenArray((parseList(json) || []).map(item => toArr(parseItem(item)).map(_item => Object.assign(_item || {}, {rule_index})))).filter(item => item.id && !resources.find(({id, index}) => id == item.id && index == item.index))))
  830.                     if(cnt <= 0) return
  831.                     this.tryAutoRenameAll()
  832.                     this.setBadge(`下载 ${cnt} 个视频`)
  833.                 } catch(err){
  834.                  console.error(err)
  835.                 }
  836.             }
  837.             switch(type){
  838.                 case 'object':
  839.                     let obj = getObject(unsafeWindow)
  840.                     return callback(obj)
  841.                 case 'json':
  842.                     return json_callbacks.push(json => callback(Object.assign({}, json)))
  843.                 case 'network':
  844.                     return network_callbacks.push({url, callback})
  845.                 case 'fetch':
  846.                     return fetch_callbacks.push({url, callback})
  847.                 case 'respone.json':
  848.                     return respone_json_callbacks.push(json => callback(Object.assign({}, json)))
  849.             }
  850.         })
  851.         if(json_callbacks.length){
  852.             JSON.parse = function(...args) {
  853.                 let json = originalParse.apply(JSON, args)
  854.                 json_callbacks.forEach(cb => cb(json))
  855.                 return json
  856.             }
  857.         }
  858.         if(respone_json_callbacks.length){
  859.             Object.defineProperty(Response.prototype, 'json', {
  860.                 value: function() {
  861.                     let ret = originalResponseJson.apply(this, arguments)
  862.                     ret.then(json => respone_json_callbacks.forEach(cb => cb(json)))
  863.                     return ret
  864.                 },
  865.                 writable: true,
  866.                 enumerable: false,
  867.                 configurable: true
  868.             });
  869.         }
  870.         const cb = (callbacks, {fullURL, raw}) => {
  871.             callbacks.forEach(({url, callback}) => {
  872.                 if(new RegExp(url).test(fullURL) && typeof(raw) == 'string' && (raw.startsWith('{') && raw.endsWith('}') || raw.startsWith('[') && raw.endsWith(']'))){
  873.                     callback(JSON.parse(raw))
  874.                 }
  875.             })
  876.         }
  877.         if(network_callbacks.length){
  878.              XMLHttpRequest.prototype.send = function() {
  879.                 this.addEventListener('load', function() {
  880.                     if(['', 'text'].includes(this.responseType)) cb(network_callbacks ,{fullURL: this.responseURL, raw: this.responseText})
  881.                 })
  882.                 originalSend.apply(this, arguments)
  883.             }
  884.         }
  885.         if(fetch_callbacks.length){
  886.            unsafeWindow.fetch = function() {
  887.                 return originalFetch.apply(this, arguments).then(response => {
  888.                     if (response.status == 200) {
  889.                         response.clone().text().then(raw => {
  890.                            cb(fetch_callbacks, {fullURL: response.url, raw})
  891.                         })
  892.                     }
  893.                     return response
  894.                 })
  895.             }
  896.         }
  897.     }
  898.     let timeout = Object.entries(DETAIL.timeout || {}).find(([path, ms]) => (unsafeWindow.location.pathname || '').startsWith(path))?.[1] || 0
  899.     const start = () => {
  900.         if(!this.inited){
  901.             this.inited = true
  902.             setTimeout(() => initFun() & hook() & setInterval(() => hook(), 250), timeout)
  903.         }
  904.     }
  905.     if(!DETAIL.runAtWindowLoaded) start()
  906.     window.onload = () => start() & (DETAIL.bindVideoElement && this.bindVideoElement(DETAIL.bindVideoElement)) & this.initAction()
  907.   },
  908.  
  909.     tryAutoRenameAll(){
  910.       if(this.options.autoRename && this.isShowing()){
  911.           if(!this.initedRename){
  912.               this.initedRename = true
  913.               let lastName = this.options.lastRename
  914.               if(typeof(lastName) == 'string') $('#_filename')[0].value = lastName
  915.           }
  916.           this.applyRenameAll()
  917.       }
  918.     },
  919.  
  920.    autoScroll_timer: -1, autoScroll: false,
  921.    switchAutoScroll(enable){
  922.        if(this.autoScroll_timer){
  923.            clearInterval(this.autoScroll_timer)
  924.            this.autoScroll_timer = -1
  925.        }
  926.        if(this.autoScroll = enable ?? !this.autoScroll){
  927.            let auto_download = confirm('捕获结束后是否开启自动下载?(不要最小化浏览器窗口！！！)')
  928.            var auto_rename = false
  929.            if(auto_download) auto_rename = confirm('下载前是否应用名称更改？')
  930.            this.writeLog(`开启自动滚动捕获,自动下载【${auto_download ? '开' : '关'}】`)
  931.            let _max = 10, _retry = 0
  932.            const next = () => {
  933.                let scrollContainer = Object.entries(this.DETAIL.scrollContainer ?? {}).find(([host, selector]) => new RegExp(host).test(location.href))
  934.                if(scrollContainer){
  935.                    let container = document.querySelectorAll(scrollContainer[1])[0]
  936.                    if(container) container.scrollTop = container.scrollHeight
  937.                }else{
  938.                    unsafeWindow.scrollTo(0, document.body.scrollHeight)
  939.                }
  940.                let _old = this.resources.length
  941.                setTimeout(() => {
  942.                    let _new = this.resources.length
  943.                    if(_old == _new){
  944.                        this.writeLog(`没有捕获到视频，将会在重试${_max - _retry}次后结束`)
  945.                        if(_max - _retry++ <= 0){
  946.                            this.writeLog('成功捕获所有的视频')
  947.                            this.switchAutoScroll(false)
  948.                            if(auto_download){
  949.                                auto_rename && this.applyRenameAll()
  950.                                this.switchRunning(true)
  951.                            }
  952.                            return
  953.                        }
  954.                    }else{
  955.                        this.writeLog(`捕获到${_new - _old}个视频,当前视频总数${_new}`)
  956.                        this.updateTable()
  957.                    }
  958.                    setTimeout(() => next(), 500)
  959.                }, 2000)
  960.            }
  961.            next()
  962.        }else{
  963.            this.writeLog(`开启关闭滚动捕获`)
  964.        }
  965.    },
  966.  
  967.   setList(list, refresh = true){
  968.     this.resources = list
  969.     refresh && this.refresh()
  970.   },
  971.  
  972.   refresh(){
  973.       this.showList()
  974.       document.querySelector('#_ftb').innerHTML = createHTML(`下载 ${this.resources.length} 个视频`)
  975.   },
  976.  
  977.     bindVideoElement({callback, initElement}){
  978.         return
  979.         const observer = new MutationObserver((mutations) => {
  980.             for (const mutation of mutations) {
  981.                 if (mutation.type !== 'childList') return
  982.                 mutation.addedNodes.forEach((node) => {
  983.                     if (node.nodeType === Node.ELEMENT_NODE && node.nodeName == 'VIDEO') {
  984.                         let {id} = initElement(node) || {}
  985.                         let item = this.findItem(id)
  986.                         if(!item) return
  987.                         let url = item.urls || node.currentSrc || node.querySelector('source')?.src
  988.                         // if(!url || url.startsWith('blob')){ }
  989.                         if(!node.querySelector('._btn_download')){
  990.                             let el = document.createElement('div')
  991.                             el.classList.className = '_btn_download'
  992.                             el.style.cssText = 'width: 30px;margin: 5px;background-color: rgba(0, 0, 0, .4);color: white;cursor: pointer;position: relative;left: 0;top: 0;z-index: 9999;'
  993.                             el.onclick = ev => {
  994.                                 const onError = () => false && alert(`下载失败`)
  995.                                 GM_download({
  996.                                     url, name: this.safeFileName(item.title) + '.mp4', headers:  this.getHeaders(url),
  997.                                     onload: ({status}) => {
  998.                                         if(status == 502 || status == 404){
  999.                                             onError()
  1000.                                         }
  1001.                                     },
  1002.                                     ontimeout: onError,
  1003.                                     onerror: onError,
  1004.                                 })
  1005.                                 el.remove() & ev.stopPropagation(true) & ev.preventDefault()
  1006.                             }
  1007.                             el.innerHTML = createHTML('下载')
  1008.                             el.title = '点击下载'
  1009.                             node.before(el)
  1010.                         }
  1011.                     }
  1012.                 })
  1013.             }
  1014.         })
  1015.         observer.observe(document.body, {
  1016.             childList: true, // 观察子节点的增减
  1017.             subtree: true     // 观察后代节点
  1018.         })
  1019.     },
  1020.  
  1021.     getHeaders(url){
  1022.         return {
  1023.             'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36',
  1024.             // 'Referer': url,
  1025.             'Range': 'bytes=0-',
  1026.             'Referer': location.protocol+'//'+ location.host
  1027.         }
  1028.     },
  1029.  
  1030.   showList(){ // 展示主界面
  1031.     let threads = this.options['threads']
  1032.     this.showDialog({
  1033.       id: '_dialog',
  1034.       html: `
  1035.       <div style="display: inline-flex;flex-wrap: wrap;width: 100%;justify-content: space-around;height: 5%;min-height: 30px;">
  1036.           <div>
  1037.             <button id="_selectAll">全选</button>
  1038.             <button id="_reverSelectAll">反选</button>
  1039.             <button id="_clear_log">清空日志</button>
  1040.           </div>
  1041.           <div>
  1042.             命名规则:
  1043.             <input type="text" id="_filename" value="【{发布者}】{标题}({id})" title="允许的变量：{发布者} {标题} {id}">
  1044.             <button id="_apply_filename">应用</button>
  1045.             <button id="_apply_filename_help">帮助</button>
  1046.           </div>
  1047.           <div>
  1048.             下载线程数:
  1049.             <input id="_threads" type="range" value=${threads} step=1 min=1 max=32>
  1050.             <span id="_threads_span">${threads}</span>
  1051.             <span style="margin-right: 10px;">Aria2下载</span><input type="checkbox" data-for="useAria2c" ${this.options.useAria2c ? 'checked': ''}>
  1052.           </div>
  1053.           <div>
  1054.             <button id="_settings">设置</button>
  1055.             <button id="_autoScroll">滚动捕获</button>
  1056.             <button id="_clearDownloads">清空已下载</button>
  1057.             <button id="_reDownloads">重新下载</button>
  1058.             <button id="_switchRunning" disabled>开始</button>
  1059.           </div>
  1060.         </div>
  1061.         <div style="height: 70%;overflow-y: scroll;">
  1062.           <table width="90%" border="2" style="margin: 0 auto;"></table>
  1063.           </div>
  1064.           <div style="height: 25%; width: 100%;border-top: 2px solid white;">
  1065.             <div style="position: relative;height: 100%;">
  1066.               <div style="position: absolute;right: 0;top: 0;padding: 10px;"><span style="margin-right: 10px;">自动滚动</span><input type="checkbox" data-for="autoScroll" ${this.options.autoScroll ? 'checked': ''}></div>
  1067.               <pre id="_log" style="background-color: rgba(255, 255, 255, .2);color: rgba(0, 0, 0, .8);overflow-y: scroll;height: 90%;"></pre>
  1068.             </div>
  1069.           </div>`,
  1070.          callback: dialog => {
  1071.              if(!this.aria2c) this.enableAria2c(this.options.useAria2c)
  1072.              this.initInputs(dialog) & this.updateTable()
  1073.              this.tryAutoRenameAll()
  1074.          },
  1075.          onClose: () => this.resources.forEach(item => item.status = WAITTING)
  1076.     }) & this.bindEvents() & [
  1077.       `欢迎使用本脚本！当前版本: ${VERSION} 发布日期: ${RELEASE_DATE}`,
  1078.       `此脚本仅供学习交流使用！！请勿用于非法用途！`
  1079.     ].forEach(msg => this.writeLog(msg, '声明')) & this.loadDownloader()
  1080.   },
  1081.   loadDownloader(){
  1082.     this.writeLog('正在加载下载功能模块...')
  1083.     loadRes(['https://cdn.jsdelivr.net/npm/web-streams-polyfill@2.0.2/dist/ponyfill.min.js', 'https://cdn.jsdelivr.net/npm/streamsaver@2.0.3/StreamSaver.min.js', 'https://cdn.jsdelivr.net/npm/file-saver@2.0.5/dist/FileSaver.min.js'], () => {
  1084.         this.writeLog('加载下载功能模块成功!')
  1085.         $('#_switchRunning')[0].disabled = false
  1086.         /*unsafeWindow.onunload = () => {
  1087.             writableStream.abort()
  1088.             writer.abort()
  1089.         }
  1090.         unsafeWindow.onbeforeunload = evt => {
  1091.             if (!done) {
  1092.                 evt.returnValue = `Are you sure you want to leave?`;
  1093.             }
  1094.         }*/
  1095.     })
  1096.   },
  1097.   updateTable(){
  1098.     let cnt = this.resources.length
  1099.     console.log(cnt, this.options.show_img_limit)
  1100.     $('table')[0].innerHTML = createHTML(`
  1101.     <tr align="center">
  1102.       <th>编号</th>
  1103.       <th>选中</th>
  1104.       <th>封面</th>
  1105.       <th>标题</th>
  1106.       <th>状态</th>
  1107.       </tr>
  1108.       ${this.resources.map((item, index) => {
  1109.           let {urls, title, cover, url, id} = item || {}
  1110.           return `
  1111.                 <tr align="center" data-id="${id}">
  1112.                     <td style="width: 50px;">${index+1}<p><a href="#" data-action="addDownload" style="color:blue">下载</a></p></td>
  1113.                     <td style="width: 50px;"><input type="checkbox" style="transform: scale(1.5);" checked></td>
  1114.                     <td style="width: 100px;"><a href="${url}" target="_blank" style="color: #fff;">${this.options.show_img_limit > 0 && cnt >= this.options.show_img_limit ? `不显示预览图` : `<a href="${url}" target="_blank"><img loading="lazy" src="${cover}" style="width: 100px;min-height: 100px;"></a>`}</td>
  1115.                     <td contenteditable style="width: 400px;max-width: 400px;">${title}</td>
  1116.                     <td style="width: 100px;">等待中...</td>
  1117.                 </tr>`
  1118.  
  1119.       }).join('')}`)
  1120.   },
  1121.   getDialog(id){
  1122.     return document.querySelector('#'+id)
  1123.   },
  1124.   isShowing(id = '_dialog'){
  1125.     return this.getDialog(id) !== null
  1126.   },
  1127.   showDialog({html, id, callback, onClose}){ // 弹窗
  1128.     let dialog = this.getDialog(id)
  1129.     dialog && dialog.remove()
  1130.  
  1131.     document.body.insertAdjacentHTML('beforeEnd', createHTML(`
  1132.     <dialog class="_dialog" id="${id}" style="top: 0;left: 0;width: 100%;height: 100%;position: fixed;z-index: 9999;background-color: rgba(0, 0, 0, .8);color: #fff;padding: 10px;overflow: auto; overscroll-behavior: contain;" open>
  1133.       <a href="#" style="position: absolute;right: 20px;top: 20px;padding: 10px;background-color: rgba(255, 255, 255, .4);" class="_dialog_close">X</a>
  1134.       ${html}
  1135.     <dialog>`))
  1136.     setTimeout(() => {
  1137.       let dialog = this.getDialog(id)
  1138.       dialog.querySelector('._dialog_close').onclick = () => dialog.remove() & (onClose && onClose())
  1139.       callback && callback(dialog)
  1140.     }, 500)
  1141.   },
  1142.     applyRenameAll(){
  1143.       let format = $('#_filename')[0].value
  1144.       this.saveOptions({lastRename: format})
  1145.       for(let tr of $('table tr[data-id]')){
  1146.        this.applyRename(tr.dataset.id, tr, format)
  1147.       }
  1148.     },
  1149.     applyRename(tid, tr, format){
  1150.         tr ??= this.findElement(tid)
  1151.         if(!tr) return
  1152.         let item = this.findItem(tid)
  1153.         if(!item) return
  1154.         format ??= $('#_filename')[0].value
  1155.         if(typeof(format) != 'string' || format == '') return
  1156.         let {title, author_name, id, create_time} = Object.assign(item, {renamed: true})
  1157.         let s = format.replace('{标题}', title ?? '').replace('{id}', id).replace('{发布者}', author_name ?? '')
  1158.         if(create_time){
  1159.             s = new Date(create_time).format(s)
  1160.         }
  1161.         tr.querySelector('td[contenteditable]').innerHTML = createHTML(s)
  1162.     },
  1163.   bindEvents(){ // 绑定DOM事件
  1164.     $('#_threads')[0].oninput = function(ev){
  1165.       $('#_threads_span')[0].innerHTML = createHTML(this.value)
  1166.     }
  1167.     $('#_apply_filename')[0].onclick = () => this.applyRenameAll() & (['www.xiaohongshu.com'].includes(location.host) && alert("请注意:小红书网站上日期规则预览不会立刻生效，只有在开始下载的时候才会生效！"))
  1168.     $('#_apply_filename_help')[0].onclick = () => this.showDialog({
  1169.         id: '_dialog_rename_help',
  1170.         html: `
  1171.         <p>
  1172.           <h1>变量<h1>
  1173.           <h3>{标题} {id} {发布者} yyyy年MM月dd日_hh时mm分ss秒<h3>
  1174.         </p>
  1175.         <p>
  1176.           <h1>常见问题<h1>
  1177.           <h3>
  1178.             <pre>
  1179.             为什么没有显示入口按钮？(可能是脚本插入时机慢了，可以多滚动或者多刷新几次)
  1180.             为什么下载显示失败(常见于抖音，抖音每个视频有三个线路，但并不是每个线路都是有视频存在的。所以目前的解决是 每个线路都尝试下载一次)
  1181.             为什么捕获的数量不等于主页作品数量(目前只能捕获视频作品，而非图文作品)
  1182.             为什么只能下载一个文件？（请检查网站是否有开启允许同时下载多个文件选项）
  1183.             为什么只能捕获一页的数据/翻页不了(有些不常用的站点可能存在这些问题待修复)
  1184.             </pre>
  1185.           <h3>
  1186.         </p>
  1187.         <p>
  1188.           <h1>测试页面<h1>
  1189.           <h3>
  1190.             <pre>
  1191.             https://isee.weishi.qq.com/ws/app-pages/wspersonal/index.html?id=1538201906643006
  1192.             https://www.douyin.com/user/MS4wLjABAAAANfnAjG-xB__cCOB4hTXFBvG6yZFWNl-FkgCWvpwGN2M
  1193.             https://www.douyin.com/search/%E6%88%91%E4%BB%AC
  1194.             https://www.kuaishou.com/profile/3xqyyjytuef8nsq
  1195.             https://www.tiktok.com/@simonboyyyyyyy
  1196.             https://www.xiaohongshu.com/user/profile/60f0ecec0000000001004874
  1197.             https://www.instagram.com/rohman__oficial/
  1198.             https://weibo.com/u/2328516855?tabtype=newVideo
  1199.             https://x.com/pentarouX/media
  1200.             https://www.toutiao.com/c/user/token/MS4wLjABAAAAzCbyoWKVhqhvIgUd49i5o43v4-YcICXye1glC0Xefok/?entrance_gid=7417305773065929267&log_from=f6060c90895cc_1727227709729&tab=video
  1201.             </pre>
  1202.           <h3>
  1203.         </p>
  1204.         <p>
  1205.           <h1>使用Aria2c下载<h1>
  1206.           <h3>
  1207.             <pre>
  1208.             如何安装? 从https://wwas.lanzouj.com/b032c68ozc 密码:36yz 下载解压，双击bat文件开启
  1209.             </pre>
  1210.           <h3>
  1211.         </p>
  1212.         `,
  1213.     })
  1214.     $('#_selectAll')[0].onclick = () => $('table input[type=checkbox]').forEach(el => el.checked = true)
  1215.     $('#_reverSelectAll')[0].onclick = () => $('table input[type=checkbox]').forEach(el => el.checked = !el.checked)
  1216.     $('#_clear_log')[0].onclick = () => $('#_log')[0].innerHTML = createHTML('')
  1217.     $('#_switchRunning')[0].onclick = () => this.switchRunning()
  1218.     $('#_autoScroll')[0].onclick = () => this.switchAutoScroll()
  1219.     $('#_settings')[0].onclick = () => {
  1220.       this.showDialog({
  1221.         id: '_dialog_settings',
  1222.         html: `
  1223.           <div style="display: flex;width: 100%;gap: 20px;">
  1224.             <div>
  1225.               <h3>线路设置</h3>
  1226.               ${Object.values(this.HOSTS).map(({hosts, title, id}) => {
  1227.                     hosts ??= []
  1228.                     let html = `${title}线路: <select data-for="${id}">${hosts.map(host => `<option ${this.options[id+'_host'] == host ? 'selected' : ''}>${host}</option>`).join('')}</select>`
  1229.                     return hosts.length ? html : ''}).join('')}
  1230.             </div>
  1231.             <div>
  1232.               <h3>下载设置</h3>
  1233.               <div>下载结束提示<input type="checkbox" data-for="alert_done" ${this.options.alert_done ? 'checked': ''}></div>
  1234.               <div>自动重命名<input type="checkbox" data-for="autoRename" ${this.options.autoRename ? 'checked': ''}></div>
  1235.               <div>超时时间(毫秒): <input type="number" value="${this.options.timeout}" data-for="timeout"></div>
  1236.               <div>重试次数: <input type="number" value="${this.options.retry_max}" data-for="retry_max"></div>
  1237.               <div>封面超过不显示: <input type="number" value="${this.options.show_img_limit}" data-for="show_img_limit"></div>
  1238.             </div>
  1239.             <div>
  1240.               <h3>数据设置</h3>
  1241.               <div>
  1242.                 <button data-action="exportData">导出数据</button>
  1243.                 <button data-action="exportUrls">导出视频链接</button>
  1244.                 <button data-action="importData">导入数据</button>
  1245.               </div>
  1246.             </div>
  1247.             <div>
  1248.               <h3>Aria2c设置</h3>
  1249.               <div>
  1250.                 <div>端口: <input type="number" value="${this.options.aria2c_port}" data-for="aria2c_port"></div>
  1251.                 <div>保存目录: <input type="text" value="${this.options.aria2c_saveTo}" data-for="aria2c_saveTo"></div>
  1252.               </div>
  1253.             </div>
  1254.           </div>
  1255.         `,
  1256.         callback: dialog => this.initInputs(dialog),
  1257.         onClose: () => this.resources = this.resources.map(item => this.DETAIL.rules[item.rule_index].parseItem(item.data))
  1258.       })
  1259.     }
  1260.     $('#_clearDownloads')[0].onclick = () => this.clearDownloads()
  1261.     $('#_reDownloads')[0].onclick = () => this.reDownloads()
  1262.   },
  1263.     initAction(){
  1264.         const onEvent = ev => {
  1265.             let {srcElement} = ev
  1266.             let {action} = srcElement.dataset
  1267.             switch(action){
  1268.                 case 'addDownload':
  1269.                     let par = getParent(srcElement, el => el?.dataset?.id)
  1270.                     if(par){
  1271.                         this.downloadItem(this.findItem(par.dataset.id), true)
  1272.                     }
  1273.                     return
  1274.                 case 'exportUrls':
  1275.                     return this.addDownload({
  1276.                         url: URL.createObjectURL(new Blob([flattenArray(this.resources.map(({urls}) => Array.isArray(urls) ? urls.map(({url}) => url) : urls)).join("\r\n")])),
  1277.                         name: '导出链接.txt'
  1278.                     })
  1279.                 case 'exportData':
  1280.                     // todo csv
  1281.                     if(!this.resources.length) return alert('没有任何数据')
  1282.                     return this.addDownload({
  1283.                         url: URL.createObjectURL(new Blob([JSON.stringify(this.resources)])),
  1284.                         name: '导出数据.txt'
  1285.                     })
  1286.                 case 'importData':
  1287.                     return openFileDialog({
  1288.                         accept: '.txt',
  1289.                         callback: files => {
  1290.                             let reader = new FileReader()
  1291.                             reader.readAsText(files[0])
  1292.                             reader.onload = e => {
  1293.                                 try {
  1294.                                     json = JSON.parse(reader.result)
  1295.                                     let cnt = json.length
  1296.                                     if(cnt){
  1297.                                         if(confirm(`发现${cnt}条数据!是否重置下载状态？`)) json = json.map(item => Object.assign(item, {status: WAITTING}))
  1298.                                         this.setList(json) & this.writeLog('成功导入数据')
  1299.                                     }
  1300.                                 } catch (err) {
  1301.                                     alert(err.toString())
  1302.                                 }
  1303.                             }
  1304.                         }
  1305.                     })
  1306.                 default:
  1307.                     return
  1308.             }
  1309.             ev.stopPropagation(true) & ev.preventDefault()
  1310.         }
  1311.         document.body.addEventListener('click', onEvent)
  1312.   },
  1313.   initInputs(dialog){
  1314.     const self = this
  1315.     for(let select of dialog.querySelectorAll('select')) select.onchange = function(){
  1316.       self.saveOptions({[`${this.dataset.for}_host`]: this.value})
  1317.     }
  1318.     for(let input of dialog.querySelectorAll('input')) input.onchange = function(){
  1319.       let value, key = this.dataset.for
  1320.       switch(this.type){
  1321.         case 'checkbox':
  1322.         case 'switch':
  1323.           value = this.checked
  1324.           break
  1325.         default:
  1326.           value = this.value
  1327.       }
  1328.       self.saveOptions({[key]: value})
  1329.       if(key == 'useAria2c') self.enableAria2c(value)
  1330.     }
  1331.   },
  1332.   clearDownloads(){
  1333.       this.eachItems(DOWNLOADED, ({tr, item, index}) => {
  1334.           this.resources.splice(index, 1)
  1335.           tr && tr.remove()
  1336.       })
  1337.   },
  1338.   reDownloads(){
  1339.       this.cancelDownloads()
  1340.       let cnt = this.eachItems([DOWNLOADING, ERROR], ({tr, item}) => {
  1341.           if(tr){
  1342.               let td = tr.querySelectorAll('td')
  1343.               td[4].style.backgroundColor = 'unset'
  1344.               td[4].innerHTML = createHTML('等待中...')
  1345.           }
  1346.           item.status = WAITTING
  1347.       }).length
  1348.       cnt ? this.writeLog(`重新下载${cnt}个视频`) & this.switchRunning(true) : alert('没有需要重新下载的任务')
  1349.   },
  1350.   cancelDownloads(){
  1351.       Object.keys(this.downloads).forEach(id => this.removeDownload(id))
  1352.       this.writeLog(`成功取消所有下载`)
  1353.   },
  1354.   eachItems(status_id, callback){
  1355.        let ret = []
  1356.        status_id = toArr(status_id)
  1357.        for(let i=this.resources.length-1;i>=0;i--){
  1358.           let item = this.resources[i]
  1359.           ret.push(item)
  1360.           let {status, id} = item
  1361.           if(status_id.includes(status)){
  1362.               let tr = this.findElement(id)
  1363.               callback({tr, item, index: i})
  1364.           }
  1365.       }
  1366.       return ret
  1367.   },
  1368.   checkFinishTimer: -1,
  1369.   switchRunning(running){ // 切换运行状态
  1370.     this.running = running ??= !this.running
  1371.     $('#_switchRunning')[0].innerHTML = createHTML(running ? '暂停' : '运行')
  1372.     if(running){
  1373.       let threads = parseInt($('#_threads')[0].value)
  1374.       let cnt = threads - this.getItems(DOWNLOADING).length
  1375.       if(cnt){
  1376.         this.writeLog('开始线程下载:'+cnt)
  1377.         this.saveOptions({threads})
  1378.         for(let i=0;i<cnt;i++) this.nextDownload()
  1379.       }
  1380.     }
  1381.   },
  1382.   getItems(_status){ // 获取指定状态任务
  1383.     return this.resources.filter(({status}) => status == _status)
  1384.   },
  1385.   getDownloadName(id){
  1386.        let tr = this.findElement(id)
  1387.        if(tr){
  1388.            let td = tr.querySelectorAll('td')
  1389.            return td[3].outerText
  1390.        }
  1391.       return null
  1392.   },
  1393.   downloadItem(item, checked){
  1394.       let {status, id, urls, rule_index, downloadTool} = item
  1395.         if(status == WAITTING){
  1396.           let tr = this.findElement(id)
  1397.           if(!tr) return
  1398.  
  1399.           let td = tr.querySelectorAll('td')
  1400.           checked ??= td[1].querySelector('input[type=checkbox]').checked
  1401.           if(checked){
  1402.               item.status = DOWNLOADING
  1403.               const log = ({msg, color, next = true, status}) => {
  1404.                 this.writeLog(msg, `<a href="${item.url}" target="_blank" style="color: white;">${this.safeFileName(item.title)}</a>`, color)
  1405.                 status ??= {success: DOWNLOADED, error: ERROR}[color]
  1406.                 this.setItemStatus({id, color, msg, el: tr, item, status})
  1407.                 if(next) this.nextDownload()
  1408.               }
  1409.               log({msg: '正在下载', color: 'primary', next: false})
  1410.  
  1411.               // 预先下载并尝试重试(多线程下需要重试才能正常下载)
  1412.               let retry = 0
  1413.               const httpRequest = url => {
  1414.                   toArr(url).forEach(download => {
  1415.                       if(typeof(download) == 'string') download = {url: download, type: 'video', title: item.title}
  1416.                       var {url} = download
  1417.                       const done = (url, headers) => this.addDownload({
  1418.                           download, url, id, headers, downloadTool,
  1419.                           error: msg => log({msg, color: 'error'}),
  1420.                           success: msg => log({msg, color: 'success'}),
  1421.                       })
  1422.                       return done(url)
  1423.                       /*
  1424.                       if(this.aria2c){
  1425.                           done(url)
  1426.                       }else{
  1427.                           GM_xmlhttpRequest({
  1428.                               method: "GET", url, headers: this.getHeaders(url),
  1429.                               redirect: 'follow',
  1430.                               //responseType: "blob",
  1431.                               timeout: this.options.timeout,
  1432.                               anonymous: true,
  1433.                               onload: ({status, response, finalUrl}) => {
  1434.                                   console.log({status, finalUrl, response})
  1435.                                   if (status === 200) {
  1436.                                       if(!response){
  1437.                                           if(!finalUrl) return log({msg: `请求错误`, color: 'error'})
  1438.                                           done(finalUrl)
  1439.                                       }else{
  1440.                                           done(blobUrl)
  1441.                                       }
  1442.                                   }else
  1443.                                       if(retry++ < this.options.retry_max){
  1444.                                           // console.log('下载失败,重试中...', urls)
  1445.                                           setTimeout(() => httpRequest(), 500)
  1446.                                       }else{
  1447.                                           log({msg: `重试下载错误`, color: 'error'})
  1448.                                       }
  1449.                               },
  1450.                               onerror: err => console.error({msg: '获取链接失败', err}) & done(url)
  1451.                           })
  1452.                       }*/
  1453.                   })
  1454.               }
  1455.               if(!urls){
  1456.                   let getVideoURL = this.DETAIL[rule_index]?.getVideoURL || this.DETAIL.getVideoURL
  1457.                   if(!getVideoURL) return log({msg: `无下载地址`, color: 'error'})
  1458.                   getVideoURL(item).then(urls => {
  1459.                       if(item.renamed){ // 获取详细信息后再改变名称
  1460.                           delete item.renamed
  1461.                           this.applyRename(item.id)
  1462.                       }
  1463.                       httpRequest(Object.assign(item, {urls}).urls)
  1464.                   })
  1465.               }else{
  1466.                   httpRequest(urls)
  1467.               }
  1468.               return true
  1469.           }
  1470.         }
  1471.   },
  1472.   nextDownload(){ // 进行下一次下载
  1473.       if(!this.running) return
  1474.       let {resources} = this
  1475.       if(!resources.some(item => this.downloadItem(item))){
  1476.         if(this.running){
  1477.           clearInterval(this.checkFinishTimer)
  1478.           this.checkFinishTimer = setInterval(() => {
  1479.               if(this.getItems(WAITTING).length == 0 && this.getItems(DOWNLOADING).length == 0){
  1480.                   clearInterval(this.checkFinishTimer)
  1481.                   this.switchRunning(false)
  1482.                   let msg = '所有任务下载完成!'
  1483.                   this.writeLog(msg) & (this.options.alert_done && alert(msg))
  1484.               }
  1485.           }, 1000)
  1486.         }
  1487.       }
  1488.   },
  1489.   findElement: id => $(`tr[data-id="${id}"]`)[0],  // 根据Id查找dom
  1490.   writeLog(msg, prefix = '提示', color = 'info'){ // 输出日志
  1491.     let div = $('#_log')[0]
  1492.     div.insertAdjacentHTML('beforeEnd', createHTML(`<p style="color: ${this.getColor(color)}">【${prefix}】 ${msg}</p>`))
  1493.     if(this.options.autoScroll) div.scrollTop = div.scrollHeight
  1494.   },
  1495.   getColor: color => ({success: '#8bc34a', error: '#a31545', info: '#fff', primary: '#3fa9fa' })[color] || color,
  1496.   setItemStatus({id, color, msg, el, item, status}){
  1497.       item ??= this.findItem(id)
  1498.       if(!item) return
  1499.       if(status !== undefined) item.status = status
  1500.       if(el === false) return
  1501.       el ??= this.findElement(id)
  1502.       let td = el.querySelectorAll('td')
  1503.       if(td[4]){
  1504.           td[4].style.backgroundColor = this.getColor(color)
  1505.           td[4].innerHTML = createHTML(msg)
  1506.       }
  1507.   },
  1508.   findItem(id, method = 'find'){ // 根据Item查找资源信息
  1509.     return this.resources[method](_item => _item.id == id)
  1510.   },
  1511.   safeFileName: str => str.replaceAll('\n', ' ').replaceAll('(', '（').replaceAll(')', '）').replaceAll(':', '：').replaceAll('*', '＊').replaceAll('?', '？').replaceAll('"', '＂').replaceAll('<', '＜').replaceAll('>', '＞').replaceAll("|", "｜").replaceAll('\\', '＼').replaceAll('/', '／')
  1512. }
  1513. _downloader.init()
  1514.  
  1515. function Base64() {
  1516.     // private property
  1517.         _keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
  1518.     // public method for encoding
  1519.     this.encode = function (input) {
  1520.     var output = "";
  1521.     var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
  1522.     var i = 0;
  1523.             input = _utf8_encode(input);
  1524.     while (i < input.length) {
  1525.                 chr1 = input.charCodeAt(i++);
  1526.                 chr2 = input.charCodeAt(i++);
  1527.                 chr3 = input.charCodeAt(i++);
  1528.                 enc1 = chr1 >> 2;
  1529.                 enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
  1530.                 enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
  1531.                 enc4 = chr3 & 63;
  1532.     if (isNaN(chr2)) {
  1533.                     enc3 = enc4 = 64;
  1534.                 } else if (isNaN(chr3)) {
  1535.                     enc4 = 64;
  1536.                 }
  1537.                 output = output +
  1538.                 _keyStr.charAt(enc1) + _keyStr.charAt(enc2) +
  1539.                 _keyStr.charAt(enc3) + _keyStr.charAt(enc4);
  1540.             }
  1541.     return output;
  1542.         }
  1543.     // public method for decoding
  1544.     this.decode = function (input) {
  1545.     var output = "";
  1546.     var chr1, chr2, chr3;
  1547.     var enc1, enc2, enc3, enc4;
  1548.     var i = 0;
  1549.             input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
  1550.     while (i < input.length) {
  1551.                 enc1 = _keyStr.indexOf(input.charAt(i++));
  1552.                 enc2 = _keyStr.indexOf(input.charAt(i++));
  1553.                 enc3 = _keyStr.indexOf(input.charAt(i++));
  1554.             enc4 = _keyStr.indexOf(input.charAt(i++));
  1555.             chr1 = (enc1 << 2) | (enc2 >> 4);
  1556.             chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
  1557.             chr3 = ((enc3 & 3) << 6) | enc4;
  1558.             output = output + String.fromCharCode(chr1);
  1559. if (enc3 != 64) {
  1560.                 output = output + String.fromCharCode(chr2);
  1561.             }
  1562. if (enc4 != 64) {
  1563.                 output = output + String.fromCharCode(chr3);
  1564.             }
  1565.         }
  1566.         output = _utf8_decode(output);
  1567. return output;
  1568.     }
  1569. // private method for UTF-8 encoding
  1570.     _utf8_encode = function (string) {
  1571.         string = string.replace(/\r\n/g,"\n");
  1572. var utftext = "";
  1573. for (var n = 0; n < string.length; n++) {
  1574. var c = string.charCodeAt(n);
  1575. if (c < 128) {
  1576.                 utftext += String.fromCharCode(c);
  1577.             } else if((c > 127) && (c < 2048)) {
  1578.                 utftext += String.fromCharCode((c >> 6) | 192);
  1579.                 utftext += String.fromCharCode((c & 63) | 128);
  1580.             } else {
  1581.                 utftext += String.fromCharCode((c >> 12) | 224);
  1582.                 utftext += String.fromCharCode(((c >> 6) & 63) | 128);
  1583.                 utftext += String.fromCharCode((c & 63) | 128);
  1584.             }
  1585.         }
  1586. return utftext;
  1587.     }
  1588.     // private method for UTF-8 decoding
  1589. _utf8_decode = function (utftext) {
  1590.     var string = "";
  1591.     var i = 0;
  1592.     var c = c1 = c2 = 0;
  1593.     while ( i < utftext.length ) {
  1594.                 c = utftext.charCodeAt(i);
  1595.         if (c < 128) {
  1596.                 string += String.fromCharCode(c);
  1597.                 i++;
  1598.             } else if((c > 191) && (c < 224)) {
  1599.                 c2 = utftext.charCodeAt(i+1);
  1600.                 string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
  1601.                 i += 2;
  1602.             } else {
  1603.                 c2 = utftext.charCodeAt(i+1);
  1604.                 c3 = utftext.charCodeAt(i+2);
  1605.                 string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
  1606.                 i += 3;
  1607.             }
  1608.         }
  1609.             return string;
  1610.     }
  1611. }
  1612.