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  • m3u8downloader

    m3u8-downloader

    https://blog.luckly-mjw.cn/tool-show/m3u8-downloader/index.html

    https://segmentfault.com/a/1190000025182822

              // 注入html
              let $section = document.createElement('section')
              $section.innerHTML = `<!doctype html>
    <html lang="en">
    
    <head>
      <meta charset="UTF-8">
      <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
      <meta http-equiv="X-UA-Compatible" content="ie=edge">
      <meta name="keywords" content="m3u8 downloader for web">
      <meta name="description" content="m3u8 downloader for web, Momo's Blog, LuckyMomo">
      <title>m3u8 downloader</title>
      <style>
      /*全局设置*/
      html, body {
        margin: 0;
        padding: 0;
      }
      body::-webkit-scrollbar { display: none}
      p {
        margin: 0;
      }
      [v-cloak] {
        display: none;
      }
      #m-app {
        height: 100%;
         100%;
        text-align: center;
        padding: 10px 50px 80px;
        box-sizing: border-box;
      }
      .m-p-action {
        margin: 20px auto;
        max- 1100px;
         100%;
        font-size: 35px;
        text-align: center;
        font-weight: bold;
      }
      .m-p-other, .m-p-tamper, .m-p-github, .m-p-language {
        position: fixed;
        right: 50px;
        background-color: #eff3f6;
        background-image: linear-gradient(-180deg, #fafbfc, #eff3f6 90%);
        color: #24292e;
        border: 1px solid rgba(27, 31, 35, .2);
        border-radius: 3px;
        cursor: pointer;
        display: inline-block;
        font-size: 14px;
        font-weight: 600;
        line-height: 20px;
        padding: 6px 12px;
        z-index: 99;
      }
      .m-p-help {
        position: fixed;
        right: 50px;
        top: 50px;
         30px;
        height: 30px;
        color: #666666;
        z-index: 2;
        line-height: 30px;
        font-weight: bolder;
        border-radius: 50%;
        border: 1px solid rgba(27, 31, 35, .2);
        cursor: pointer;
        background-color: #eff3f6;
        background-image: linear-gradient(-180deg, #fafbfc, #eff3f6 90%);
      }
      .m-p-github:hover, .m-p-other:hover, .m-p-tamper:hover, .m-p-help:hover, .m-p-language:hover {
        opacity: 0.9;
      }
      .m-p-language {
        bottom: 70px;
      }
      .m-p-other {
        bottom: 110px;
      }
      .m-p-tamper {
        bottom: 30px;
      }
      .m-p-github {
        bottom: 150px;
      }
      /*广告*/
      .m-p-refer {
        position: absolute;
        left: 50px;
        bottom: 50px;
      }
      .m-p-refer .text {
        position: absolute;
        top: -80px;
        left: -40px;
        animation-name: upAnimation;
        transform-origin: center bottom;
        animation-duration: 2s;
        animation-fill-mode: both;
        animation-iteration-count: infinite;
        animation-delay: .5s;
      }
      .m-p-refer .close {
        display: block;
        position: absolute;
        top: -110px;
        right: -50px;
        padding: 0;
        margin: 0;
         50px;
        height: 50px;
        border-radius: 50%;
        border: none;
        cursor: pointer;
        z-index: 3;
        transition: 0.3s all;
        background-size: 30px 30px;
        background-repeat: no-repeat;
        background-position: center center;
        background-image: url(https://blog.luckly-mjw.cn/tool-show/m3u8-downloader/imgs/close.png);
        background-color: rgba(0, 0, 0, 0.5);
      }
      .m-p-refer .close:hover {
        background-color: rgba(0, 0, 0, 0.8);
      }
      .m-p-refer .link {
        border-radius: 4px;
        text-decoration: none;
        background-color: #4E84E6;
        transition: 0.3s all;
      }
      .m-p-refer .link:hover {
        top: -10px;
        color: #333333;
        border: 1px solid transparent;
        background: rgba(0, 0, 0, 0.6);
        box-shadow: 2px 11px 20px 0 rgba(0, 0, 0, 0.6);
      }
      @keyframes upAnimation {
        0% {
          transform: rotate(0deg);
          transition-timing-function: cubic-bezier(0.215, .61, .355, 1)
        }
    
        10% {
          transform: rotate(-12deg);
          transition-timing-function: cubic-bezier(0.215, .61, .355, 1)
        }
    
        20% {
          transform: rotate(12deg);
          transition-timing-function: cubic-bezier(0.215, .61, .355, 1)
        }
    
        28% {
          transform: rotate(-10deg);
          transition-timing-function: cubic-bezier(0.215, .61, .355, 1)
        }
    
        36% {
          transform: rotate(10deg);
          transition-timing-function: cubic-bezier(0.755, .5, .855, .06)
        }
    
        42% {
          transform: rotate(-8deg);
          transition-timing-function: cubic-bezier(0.755, .5, .855, .06)
        }
    
        48% {
          transform: rotate(8deg);
          transition-timing-function: cubic-bezier(0.755, .5, .855, .06)
        }
    
        52% {
          transform: rotate(-4deg);
          transition-timing-function: cubic-bezier(0.755, .5, .855, .06)
        }
    
        56% {
          transform: rotate(4deg);
          transition-timing-function: cubic-bezier(0.755, .5, .855, .06)
        }
    
        60% {
          transform: rotate(0deg);
          transition-timing-function: cubic-bezier(0.755, .5, .855, .06)
        }
    
        100% {
          transform: rotate(0deg);
          transition-timing-function: cubic-bezier(0.215, .61, .355, 1)
        }
      }
      /*顶部信息录入*/
      .m-p-temp-url {
        padding-top: 50px;
        padding-bottom: 10px;
         100%;
        color: #999999;
        text-align: left;
        font-style: italic;
        word-break: break-all;
      }
      .m-p-input-container {
        display: flex;
      }
      .m-p-input-container input {
        flex: 1;
        margin-bottom: 30px;
        display: block;
         280px;
        padding: 16px;
        font-size: 24px;
        border-radius: 4px;
        box-shadow: none;
        color: #444444;
        border: 1px solid #cccccc;
      }
      .m-p-input-container .range-input {
        margin-left: 10px;
        flex: 0 0 100px;
         100px;
        box-sizing: border-box;
      }
      .m-p-input-container div {
        position: relative;
        display: inline-block;
        margin-left: 10px;
        height: 60px;
        line-height: 60px;
        font-size: 24px;
        color: white;
        cursor: pointer;
        border-radius: 4px;
        border: 1px solid #eeeeee;
        background-color: #3D8AC7;
        opacity: 1;
        transition: 0.3s all;
      }
      .m-p-input-container div:hover {
        opacity: 0.9;
      }
      .m-p-input-container div {
         200px;
      }
      .m-p-input-container .disable {
        cursor: not-allowed;
        background-color: #dddddd;
      }
      /*下载状态*/
      .m-p-line {
        margin: 20px 0 50px;
        vertical-align: top;
         100%;
        height: 5px;
        border-bottom: dotted;
      }
      .m-p-tips {
         100%;
        color: #999999;
        text-align: left;
        font-style: italic;
        word-break: break-all;
      }
      .m-p-tips p {
         100px;
        display: inline-block;
      }
      .m-p-segment {
        text-align: left;
      }
      .m-p-segment .item {
        display: inline-block;
        margin: 10px 6px;
         50px;
        height: 40px;
        color: white;
        line-height: 40px;
        text-align: center;
        border-radius: 4px;
        cursor: help;
        border: solid 1px #eeeeee;
        background-color: #dddddd;
      }
      .m-p-segment .finish {
        background-color: #0ACD76;
      }
      .m-p-segment .error {
        cursor: pointer;
        background-color: #DC5350;
      }
      .m-p-cross, .m-p-final {
        display: inline-block;
         100%;
        height: 50px;
        line-height: 50px;
        font-size: 20px;
        color: white;
        cursor: pointer;
        border-radius: 4px;
        border: 1px solid #eeeeee;
        background-color: #3D8AC7;
        opacity: 1;
        transition: 0.3s all;
      }
      .m-p-final {
        margin-top: 10px;
        text-decoration: none;
      }
      .m-p-force, .m-p-retry {
        position: absolute;
        right: 50px;
        display: inline-block;
        padding: 6px 12px;
        font-size: 18px;
        color: white;
        cursor: pointer;
        border-radius: 4px;
        border: 1px solid #eeeeee;
        background-color: #3D8AC7;
        opacity: 1;
        transition: 0.3s all;
      }
      .m-p-retry {
        right: 250px;
      }
      .m-p-force:hover, .m-p-retry:hover {
        opacity: 0.9;
      }
    
      </style>
    </head>
    
    <body>
    <div id="loading">页面加载中,请耐心等待...</div>
    <section id="m-app" v-cloak>
      <!--顶部操作提示-->
      <section class="m-p-action g-box">{{tips}}</section>
      <a class="m-p-help" target="_blank" href="https://segmentfault.com/a/1190000021847172">?</a>
      <a class="m-p-tamper" target="_blank" href="https://blog.luckly-mjw.cn/tool-show/m3u8-downloader/m3u8-downloader.user.js">手动添加油猴插件</a>
      <a class="m-p-github" target="_blank" href="https://github.com/Momo707577045/m3u8-downloader">github</a>
      <a class="m-p-other" target="_blank" href="http://blog.luckly-mjw.cn/tool-show/index.html">其他实用工具</a>
      <a class="m-p-language" href="http://blog.luckly-mjw.cn/tool-show/m3u8-downloader/index-en.html">English version</a>
    
      <!--广告-->
      <a v-if="isShowRefer" class="m-p-refer" target="_blank" href="https://segmentfault.com/a/1190000024416860">
        <img src="https://blog.luckly-mjw.cn/tool-show/m3u8-downloader/imgs/001.png" class="link">
        <img src="https://blog.luckly-mjw.cn/tool-show/m3u8-downloader/imgs/003.png" class="text">
        <i class="close" @click.prevent="isShowRefer=false"></i>
      </a>
    
      <!--文件载入-->
      <div class="m-p-temp-url">测试链接:http://1257120875.vod2.myqcloud.com/0ef121cdvodtransgzp1257120875/3055695e5285890780828799271/v.f230.m3u8</div>
      <section class="m-p-input-container">
        <input type="text" v-model="url" :disabled="downloading" placeholder="请输入 m3u8 链接">
    
        <!--范围查询-->
        <template v-if="!downloading || rangeDownload.isShowRange">
          <div v-if="!rangeDownload.isShowRange" @click="getM3U8(true)">特定范围下载</div>
          <template v-else>
            <input class="range-input" type="number" v-model="rangeDownload.startSegment" :disabled="downloading" placeholder="起始片段">
            <input class="range-input" type="number" v-model="rangeDownload.endSegment" :disabled="downloading" placeholder="截止片段">
          </template>
        </template>
    
        <!--还未开始下载-->
        <template v-if="!downloading">
          <div @click="getM3U8(false)">原格式下载</div>
          <div @click="getMP4">转码为MP4下载</div>
        </template>
        <div v-else-if="finishNum === rangeDownload.targetSegment && rangeDownload.targetSegment > 0" class="disable">下载完成</div>
        <div v-else @click="togglePause">{{ isPause ? '恢复下载' : '暂停下载' }}</div>
      </section>
    
      <div class="m-p-cross" @click="copyCode">当无法下载,资源发生跨域限制时,在视频源页面打开控制台,注入代码解决,点击本按钮复制代码</div>
      <a class="m-p-final" target="_blank" href="https://segmentfault.com/a/1190000025182822">下载的视频看不了?试试这个终结解决方案「无差别视频提取工具」,有配套「油猴」插件啦!!!</a>
    
      <template v-if="finishList.length > 0">
        <div class="m-p-line"></div>
        <div class="m-p-retry" v-if="errorNum && downloadIndex >= rangeDownload.targetSegment" @click="retryAll">重新下载错误片段</div>
        <div class="m-p-force" v-if="mediaFileList.length" @click="forceDownload">强制下载现有片段</div>
        <div class="m-p-tips">待下载碎片总量:{{ rangeDownload.targetSegment }},已下载:{{ finishNum }},错误:{{ errorNum }},进度:{{ (finishNum / rangeDownload.targetSegment * 100).toFixed(2) }}%</div>
        <div class="m-p-tips">若某视频碎片下载发生错误,将标记为红色,可点击相应图标进行重试</div>
        <section class="m-p-segment">
          <div class="item" v-for="(item, index) in finishList" :class="[item.status]" :title="item.title" @click="retry(index)">{{ index + 1 }}</div>
        </section>
      </template>
    </section>
    </body>
    
    <script>
    var _hmt = _hmt || [];
    (function() {
      var hm = document.createElement("script");
      hm.src = "https://hm.baidu.com/hm.js?1f12b0865d866ae1b93514870d93ce89";
      var s = document.getElementsByTagName("script")[0];
      s.parentNode.insertBefore(hm, s);
    })();
    </script>
    `
              $section.style.width = '100%'
              $section.style.height = '800px'
              $section.style.top = '0'
              $section.style.left = '0'
              $section.style.position = 'relative'
              $section.style.zIndex = '9999'
              $section.style.backgroundColor = 'white'
              document.body.appendChild($section);
    
              // 加载 ASE 解密
              let $ase = document.createElement('script')
              $ase.src = 'https://blog.luckly-mjw.cn/tool-show/m3u8-downloader/aes-decryptor.js'
    
              // 加载 mp4 转码
              let $mp4 = document.createElement('script')
              $mp4.src = 'https://blog.luckly-mjw.cn/tool-show/m3u8-downloader/mux-mp4.js'
    
              // 加载 vue
              let $vue = document.createElement('script')
              $vue.src = 'https://blog.luckly-mjw.cn/tool-show/m3u8-downloader/vue.js'
    
              // 监听 vue 加载完成,执行业务代码
              $vue.addEventListener('load', () => {
    new Vue({
      el: '#m-app',
    
      data() {
        return {
          url: '', // 在线链接
          tips: 'm3u8 视频在线提取工具', // 顶部提示
          isPause: false, // 是否暂停下载
          isGetMP4: false, // 是否转码为 MP4 下载
          durationSecond: 0, // 视频持续时长
          isShowRefer: true, // 是否显示推送
          downloading: false, // 是否下载中
          beginTime: '', // 开始下载的时间
          errorNum: 0, // 错误数
          finishNum: 0, // 已下载数
          downloadIndex: 0, // 当前下载片段
          finishList: [], // 下载完成项目
          tsUrlList: [], // ts URL数组
          mediaFileList: [], // 下载的媒体数组
          rangeDownload: { // 特定范围下载
            isShowRange: false, // 是否显示范围下载
            startSegment: '', // 起始片段
            endSegment: '', // 截止片段
            targetSegment: 1, // 待下载片段
          },
          aesConf: { // AES 视频解密配置
            method: '', // 加密算法
            uri: '', // key 所在文件路径
            iv: '', // 偏移值
            key: '', // 秘钥
            decryptor: null, // 解码器对象
    
            stringToBuffer: function(str) {
              return new TextEncoder().encode(str)
            },
          },
        }
      },
    
      created() {
        this.getSource();
        document.getElementById('loading') && document.getElementById('loading').remove()
        window.addEventListener('keyup', this.onKeyup)
      },
    
      beforeDestroy() {
        window.removeEventListener('keyup', this.onKeyup)
      },
    
      methods: {
        // 获取链接中携带的资源链接
        getSource() {
          let { href } = location
          if (href.indexOf('?source=') > -1) {
            this.url = href.split('?source=')[1]
          }
        },
    
        // 退出弹窗
        onKeyup(event) {
          if (event.keyCode === 13) { // 键入ESC
            this.getM3U8()
          }
        },
    
        // ajax 请求
        ajax(options) {
          options = options || {};
          let xhr = new XMLHttpRequest();
          if (options.type === 'file') {
            xhr.responseType = 'arraybuffer';
          }
    
          xhr.onreadystatechange = function() {
            if (xhr.readyState === 4) {
              let status = xhr.status;
              if (status >= 200 && status < 300) {
                options.success && options.success(xhr.response);
              } else {
                options.fail && options.fail(status);
              }
            }
          };
    
          xhr.open("GET", options.url, true);
          xhr.send(null);
        },
    
        // 合成URL
        applyURL(targetURL, baseURL) {
          baseURL = baseURL || location.href
          if (targetURL.indexOf('http') === 0) {
            return targetURL
          } else if (targetURL[0] === '/') {
            let domain = baseURL.split('/')
            return domain[0] + '//' + domain[2] + targetURL
          } else {
            let domain = baseURL.split('/')
            domain.pop()
            return domain.join('/') + '/' + targetURL
          }
        },
    
        // 解析为 mp4 下载
        getMP4() {
          this.isGetMP4 = true
          this.getM3U8()
        },
    
        // 获取在线文件
        getM3U8(onlyGetRange) {
          if (!this.url) {
            alert('请输入链接')
            return
          }
          if (this.url.toLowerCase().indexOf('.m3u8') === -1) {
            alert('链接有误,请重新输入')
            return
          }
          if (this.downloading) {
            alert('资源下载中,请稍后')
            return
          }
    
          // 在下载页面才触发,代码注入的页面不需要校验
          // 当前协议不一致,切换协议
          if (location.href.indexOf('blog.luckly-mjw.cn') > -1 && this.url.indexOf(location.protocol) === -1) {
            //alert('当前协议不一致,跳转至正确页面重新下载')
            location.href = `${this.url.split(':')[0]}://blog.luckly-mjw.cn/tool-show/m3u8-downloader/index.html?source=${this.url}`
            return
          }
    
          // 在下载页面才触发,修改页面 URL,携带下载路径,避免刷新后丢失
          if (location.href.indexOf('blog.luckly-mjw.cn') > -1) {
            window.history.replaceState(null, '', `${location.href.split('?')[0]}?source=${this.url}`)
          }
    
          this.tips = 'm3u8 文件下载中,请稍后'
          this.beginTime = new Date()
          this.ajax({
            url: this.url,
            success: (m3u8Str) => {
              this.tsUrlList = []
              this.finishList = []
    
              // 提取 ts 视频片段地址
              m3u8Str.split('\n').forEach((item) => {
                if (item.toLowerCase().indexOf('.ts') > -1 || item.toLowerCase().indexOf('.image') > -1) {
                  this.tsUrlList.push(this.applyURL(item, this.url))
                  this.finishList.push({
                    title: item,
                    status: ''
                  })
                }
              })
    
              // 仅获取视频片段数
              if (onlyGetRange) {
                this.rangeDownload.isShowRange = true
                this.rangeDownload.endSegment = this.tsUrlList.length
                this.rangeDownload.targetSegment = this.tsUrlList.length
                return
              } else {
                let startSegment = Math.max(this.rangeDownload.startSegment || 1, 1) // 最小为 1
                let endSegment = Math.max(this.rangeDownload.endSegment || this.tsUrlList.length, 1)
                startSegment = Math.min(startSegment, this.tsUrlList.length) // 最大为 this.tsUrlList.length
                endSegment = Math.min(endSegment, this.tsUrlList.length)
                this.rangeDownload.startSegment = Math.min(startSegment, endSegment)
                this.rangeDownload.endSegment = Math.max(startSegment, endSegment)
                this.rangeDownload.targetSegment = this.rangeDownload.endSegment - this.rangeDownload.startSegment + 1
                this.downloadIndex = this.rangeDownload.startSegment - 1
                this.downloading = true
              }
    
              // 获取需要下载的 MP4 视频长度
              if (this.isGetMP4) {
                let infoIndex = 0
                m3u8Str.split('\n').forEach(item => {
                  if (item.toUpperCase().indexOf('#EXTINF:') > -1) { // 计算视频总时长,设置 mp4 信息时使用
                    infoIndex++
                    if (this.rangeDownload.startSegment <= infoIndex && infoIndex <= this.rangeDownload.endSegment) {
                      this.durationSecond += parseFloat(item.split('#EXTINF:')[1])
                    }
                  }
                })
              }
    
              // 检测视频 AES 加密
              if (m3u8Str.indexOf('#EXT-X-KEY') > -1) {
                this.aesConf.method = (m3u8Str.match(/(.*METHOD=([^,\s]+))/) || ['', '', ''])[2]
                this.aesConf.uri = (m3u8Str.match(/(.*URI="([^"]+))"/) || ['', '', ''])[2]
                this.aesConf.iv = (m3u8Str.match(/(.*IV=([^,\s]+))/) || ['', '', ''])[2]
                this.aesConf.iv = this.aesConf.iv ? this.aesConf.stringToBuffer(this.aesConf.iv) : ''
                this.aesConf.uri = this.applyURL(this.aesConf.uri, this.url)
    
                // let params = m3u8Str.match(/#EXT-X-KEY:([^,]*,?METHOD=([^,]+))?([^,]*,?URI="([^,]+)")?([^,]*,?IV=([^,^\n]+))?/)
                // this.aesConf.method = params[2]
                // this.aesConf.uri = this.applyURL(params[4], this.url)
                // this.aesConf.iv = params[6] ? this.aesConf.stringToBuffer(params[6]) : ''
                this.getAES();
              } else if (this.tsUrlList.length > 0) { // 如果视频没加密,则直接下载片段,否则先下载秘钥
                this.downloadTS()
              } else {
                this.alertError('资源为空,请查看链接是否有效')
              }
            },
            fail: () => {
              this.alertError('链接不正确,请查看链接是否有效')
            }
          })
        },
    
        // 获取AES配置
        getAES() {
          alert('视频被 AES 加密,点击确认,进行视频解码')
          this.ajax({
            type: 'file',
            url: this.aesConf.uri,
            success: (key) => {
              // console.log('getAES', key)
              // this.aesConf.key = this.aesConf.stringToBuffer(key)
              this.aesConf.key = key
              this.aesConf.decryptor = new AESDecryptor()
              this.aesConf.decryptor.constructor()
              this.aesConf.decryptor.expandKey(this.aesConf.key);
              this.downloadTS()
            },
            fail: () => {
              this.alertError('视频已进行定制化加密,不提供定制化解密下载')
            }
          })
        },
    
        // ts 片段的 AES 解码
        aesDecrypt(data, index) {
          let iv = this.aesConf.iv || new Uint8Array([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, index])
          return this.aesConf.decryptor.decrypt(data, 0, iv.buffer || iv, true)
        },
    
        // 下载分片
        downloadTS() {
          this.tips = 'ts 视频碎片下载中,请稍后'
          let download = () => {
            let isPause = this.isPause // 使用另一个变量来保持下载前的暂停状态,避免回调后没修改
            let index = this.downloadIndex
            this.downloadIndex++
            if (this.finishList[index] && this.finishList[index].status === '') {
              this.ajax({
                url: this.tsUrlList[index],
                type: 'file',
                success: (file) => {
                  this.dealTS(file, index, () => this.downloadIndex < this.rangeDownload.endSegment && !isPause && download())
                },
                fail: () => {
                  this.errorNum++
                  this.finishList[index].status = 'error'
                  if (this.downloadIndex < this.rangeDownload.endSegment) {
                    !isPause && download()
                  }
                }
              })
            } else if (this.downloadIndex < this.rangeDownload.endSegment) { // 跳过已经成功的片段
              !isPause && download()
            }
          }
    
          // 建立多少个 ajax 线程
          for (let i = 0; i < Math.min(10, this.rangeDownload.targetSegment - this.finishNum); i++) {
            download(i)
          }
        },
    
        // 处理 ts 片段,AES 解密、mp4 转码
        dealTS(file, index, callback) {
          const data = this.aesConf.uri ? this.aesDecrypt(file, index) : file
          this.conversionMp4(data, index, (afterData) => { // mp4 转码
            this.mediaFileList[index - this.rangeDownload.startSegment + 1] = afterData // 判断文件是否需要解密
            this.finishList[index].status = 'finish'
            this.finishNum++
            if (this.finishNum === this.rangeDownload.targetSegment) {
              this.downloadFile(this.mediaFileList, this.formatTime(this.beginTime, 'YYYY_MM_DD hh_mm_ss'))
            }
            callback && callback()
          })
        },
    
        // 转码为 mp4
        conversionMp4(data, index, callback) {
          if (this.isGetMP4) {
            let transmuxer = new muxjs.Transmuxer({
              keepOriginalTimestamps: true,
              duration: parseInt(this.durationSecond),
            });
            transmuxer.on('data', segment => {
              if (index === this.rangeDownload.startSegment - 1) {
                let data = new Uint8Array(segment.initSegment.byteLength + segment.data.byteLength);
                data.set(segment.initSegment, 0);
                data.set(segment.data, segment.initSegment.byteLength);
                callback(data.buffer)
              } else {
                callback(segment.data)
              }
            })
            transmuxer.push(new Uint8Array(data));
            transmuxer.flush();
          } else {
            callback(data)
          }
        },
    
        // 暂停与恢复
        togglePause() {
          this.isPause = !this.isPause
          !this.isPause && this.retryAll()
        },
    
        // 重新下载某个片段
        retry(index) {
          if (this.finishList[index].status === 'error') {
            this.finishList[index].status = ''
            this.ajax({
              url: this.tsUrlList[index],
              type: 'file',
              success: (file) => {
                this.errorNum--
                this.dealTS(file, index)
              },
              fail: () => {
                this.finishList[index].status = 'error'
              }
            })
          }
        },
    
        // 重新下载所有错误片段
        retryAll() {
          this.finishList.forEach((item) => { // 重置所有片段状态
            if (item.status === 'error') {
              item.status = ''
            }
          })
          this.errorNum = 0
          this.downloadIndex = this.rangeDownload.startSegment - 1
          this.downloadTS()
        },
    
        // 下载整合后的TS文件
        downloadFile(fileDataList, fileName) {
          this.tips = 'ts 碎片整合中,请留意浏览器下载'
          let fileBlob = null
          let a = document.createElement('a')
          if (this.isGetMP4) {
            fileBlob = new Blob(fileDataList, { type: 'video/mp4' }) // 创建一个Blob对象,并设置文件的 MIME 类型
            a.download = fileName + '.mp4'
          } else {
            fileBlob = new Blob(fileDataList, { type: 'video/MP2T' }) // 创建一个Blob对象,并设置文件的 MIME 类型
            a.download = fileName + '.ts'
          }
          a.href = URL.createObjectURL(fileBlob)
          a.style.display = 'none'
          document.body.appendChild(a)
          a.click()
          a.remove()
        },
    
        // 格式化时间
        formatTime(date, formatStr) {
          const formatType = {
            Y: date.getFullYear(),
            M: date.getMonth() + 1,
            D: date.getDate(),
            h: date.getHours(),
            m: date.getMinutes(),
            s: date.getSeconds(),
          }
          return formatStr.replace(
            /Y+|M+|D+|h+|m+|s+/g,
            target => (new Array(target.length).join('0') + formatType[target[0]]).substr(-target.length)
          )
        },
    
        // 强制下载现有片段
        forceDownload() {
          if (this.mediaFileList.length) {
            this.downloadFile(this.mediaFileList, this.formatTime(this.beginTime, 'YYYY_MM_DD hh_mm_ss'))
          } else {
            alert('当前无已下载片段')
          }
        },
    
        // 发生错误,进行提示
        alertError(tips) {
          alert(tips)
          this.downloading = false
          this.tips = 'm3u8 视频在线提取工具';
        },
    
        // 拷贝本页面本身,解决跨域问题
        copyCode() {
          if (this.tips !== '代码下载中,请稍后') {
            this.tips = '代码下载中,请稍后';
            this.ajax({
              url: './index.html',
              success: (fileStr) => {
                let fileList = fileStr.split(`<!--vue 前端框架--\>`);
                let dom = fileList[0];
                let script = fileList[1] + fileList[2];
                script = script.split('');
                script = script[1] + script[2];
    
                if (this.url) {
                  script = script.replace(`url: '', // 在线链接`, `url: '${this.url}',`);
                }
    
                let codeStr = `
              // 注入html
              let $section = document.createElement('section')
              $section.innerHTML = \`${dom}\`
              $section.style.width = '100%'
              $section.style.height = '800px'
              $section.style.top = '0'
              $section.style.left = '0'
              $section.style.position = 'relative'
              $section.style.zIndex = '9999'
              $section.style.backgroundColor = 'white'
              document.body.appendChild($section);
    
              // 加载 ASE 解密
              let $ase = document.createElement('script')
              $ase.src = 'https://blog.luckly-mjw.cn/tool-show/m3u8-downloader/aes-decryptor.js'
    
              // 加载 mp4 转码
              let $mp4 = document.createElement('script')
              $mp4.src = 'https://blog.luckly-mjw.cn/tool-show/m3u8-downloader/mux-mp4.js'
    
              // 加载 vue
              let $vue = document.createElement('script')
              $vue.src = 'https://blog.luckly-mjw.cn/tool-show/m3u8-downloader/vue.js'
    
              // 监听 vue 加载完成,执行业务代码
              $vue.addEventListener('load', () => {${script}})
              document.body.appendChild($vue);
              document.body.appendChild($mp4);
              document.body.appendChild($ase);
              alert('注入成功,请滚动到页面底部,若白屏则等待资源加载')
              `;
                this.copyToClipboard(codeStr);
                this.tips = '复制成功,打开视频网页控制台,注入本代码';
              },
              fail: () => {
                this.alertError('链接不正确,请查看链接是否有效');
              },
            })
          }
        },
    
        // 拷贝剪切板
        copyToClipboard(content) {
          clearTimeout(this.timeouter)
    
          if (!document.queryCommandSupported('copy')) {
            return false
          }
    
          let $input = document.createElement('textarea')
          $input.style.opacity = '0'
          $input.value = content
          document.body.appendChild($input)
          $input.select()
    
          const result = document.execCommand('copy')
          document.body.removeChild($input)
          $input = null
    
          return result
        },
    
      }
    })
    })
              document.body.appendChild($vue);
              document.body.appendChild($mp4);
              document.body.appendChild($ase);
              alert('注入成功,请滚动到页面底部,若白屏则等待资源加载')
              

    ================== End

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  • 原文地址:https://www.cnblogs.com/lsgxeva/p/15591002.html
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