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index.html

Rama main · réplica de lectura del repositorio original.

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<!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="author" content="毛静文,Momo">
  <meta name="keywords" content="m3u8 下载工具, 毛静文的博客,Momo's Blog">
  <meta name="description" content="m3u8 下载工具,无需下载软件,打开网站即可下载,自动检测,一键下载">
  <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%;
      width: 100%;
      text-align: center;
      padding: 10px 50px 80px;
      box-sizing: border-box;
    }

    .m-p-action {
      margin: 20px auto;
      max-width: 1100px;
      width: 100%;
      font-size: 35px;
      text-align: center;
      font-weight: bold;
    }

    .m-p-other,
    .m-p-tamper,
    .m-p-github,
    .m-p-language,
    .m-p-mse {
      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;
      width: 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,
    .m-p-mse:hover {
      opacity: 0.9;
    }

    .m-p-language {
      bottom: 70px;
    }

    .m-p-other {
      bottom: 150px;
    }

    .m-p-tamper {
      bottom: 30px;
    }

    .m-p-github {
      bottom: 190px;
    }

    .m-p-mse {
      bottom: 110px;
    }

    /*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;
      width: 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;
      width: 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: 20px;
      display: block;
      width: 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;
      width: 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 {
      width: 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;
      width: 100%;
      height: 5px;
      border-bottom: dotted;
    }

    .m-p-tips {
      width: 100%;
      color: #999999;
      text-align: left;
      font-style: italic;
      word-break: break-all;
    }

    .m-p-tips p {
      width: 100px;
      display: inline-block;
    }

    .m-p-tips.error-tips {
      color: #DC5350;
    }

    .m-p-segment {
      text-align: left;
    }

    .m-p-segment .item {
      display: inline-block;
      margin: 10px 6px;
      width: 50px;
      height: 40px;
      color: white;
      line-height: 40px;
      text-align: center;
      border-radius: 4px;
      cursor: help;
      border: solid 1px #eeeeee;
      background-color: #dddddd;
      transition: 0.3s all;
    }

    .m-p-segment .finish {
      background-color: #0ACD76;
    }

    .m-p-segment .error {
      cursor: pointer;
      background-color: #DC5350;
    }

    .m-p-segment .error:hover {
      opacity: 0.9;
    }

    .m-p-stream,
    .m-p-report,
    .m-p-cross,
    .m-p-final {
      margin-top: 10px;
      display: inline-block;
      width: 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-stream {
      background-color: #0ACD76 !important;
    }

    .m-p-report {
      background-color: #e74c3c !important;
      text-decoration: none;
    }

    .m-p-final {
      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="m-loading">
    页面加载中,请耐心等待...
    <h1 style="white-space: pre;">
      推荐一个 m3u8 网页版提取工具,无需下载软件,打开网站即可下载,自动检测,一键下载。
      工具链接:https://blog.luckly-mjw.cn/tool-show/m3u8-downloader/index.html
      工具教程:https://segmentfault.com/a/1190000021847172?_ea=32289224
      <img src="https://upyun.luckly-mjw.cn/Assets/blog/m3u8-downloader-121-75.jpeg" alt="m3u8 视频下载工具" title="logo" />
      <a target="_blank" href="https://blog.luckly-mjw.cn/tool-show/m3u8-downloader/index.html">点击跳转</a>
    </h1>
  </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-mse" target="_blank" href="https://github.com/Momo707577045/media-source-extract">无差别提取工具</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/更新油猴插件</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:https://upyun.luckly-mjw.cn/Assets/media-source/example/media/index.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 v-if="!downloading && isSupperStreamWrite" class="m-p-stream" @click="streamDownload(false)">特大视频原格式下载,边下载边保存,彻底解决大文件下载内存不足问题 </div>
    <div v-if="!downloading && isSupperStreamWrite" class="m-p-stream" @click="streamDownload(true)">特大视频 MP4 格式下载,边下载边保存,彻底解决大文件下载内存不足问题 </div>
    <a v-if="!downloading" class="m-p-report" target="_blank" href="https://segmentfault.com/a/1190000021847172">运行出现问题,可点击此按钮留言反馈,作者将第一时间跟进,共同维护本项目</a>

    <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://github.com/Momo707577045/media-source-extract">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 && !streamWriter" @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" :class="[errorNum ? 'error-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>
    <div v-else class="m-p-tips" style="border: 1px solid #eeeeee; padding: 20px; border-radius: 10px;">
      <div style="display: flex; align-items: center; justify-content: center; margin-top: 20px; font-weight: bolder; font-size: 30px; color: #24292e;">
        <svg style="color: rgb(59, 130, 246); margin-right: 20px;" xmlns="http://www.w3.org/2000/svg" width="34" height="34" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-users text-blue-500">
          <path d="M16 21v-2a4 4 0 0 0-4-4H6a4 4 0 0 0-4 4v2"></path>
          <circle cx="9" cy="7" r="4"></circle>
          <path d="M22 21v-2a4 4 0 0 0-3-3.87"></path>
          <path d="M16 3.13a4 4 0 0 1 0 7.75"></path>
        </svg>加入我们的社区
      </div>
      <div style="color: #999999;font-size: 14px; font-weight: normal;text-align: center;">(群已满员,请添加 mjw707577045 加群)</div>
      <div style="display: flex; align-items: center; justify-content: center; margin-top: 20px;">
        <img src="https://upyun.luckly-mjw.cn/Assets/qrcode/tools.jpeg" alt="效率工具" title="logo" style="width: 500px;" />
        <img src="https://upyun.luckly-mjw.cn/Assets/qrcode/m3u8.jpeg" alt="m3u8 工具" title="logo" style="width: 500px;" />
      </div>
    </div>
  </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>
<!--vue 前端框架-->
<script src="https://upyun.luckly-mjw.cn/lib/vue.js"></script>
<script src="https://upyun.luckly-mjw.cn/lib/aes-decryptor.js"></script>
<script src="https://upyun.luckly-mjw.cn/lib/mux-mp4.js"></script>
<script src="https://upyun.luckly-mjw.cn/lib/stream-saver.js"></script>

<script>

  // script注入
  document.getElementById('m-loading') && document.getElementById('m-loading').remove()
  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 
        title: '', // 视频标题
        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: false, // 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
        isSupperStreamWrite: window.streamSaver && !window.streamSaver.useBlobFallback, // 当前浏览器是否支持流式下载
        streamWriter: null, // 文件流写入器
        streamDownloadIndex: 0, // 文件流写入器,正准备写入第几个视频片段
        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();
      window.addEventListener('keyup', this.onKeyup)
      setInterval(this.retryAll.bind(this), 2000) // 每两秒重新下载一遍错误片段,实现错误自动重试
    },

    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]
        }
      },

      // 获取顶部 window title,因可能存在跨域问题,故使用 try catch 进行保护
      getDocumentTitle() {
        let title = document.title;
        try {
          title = window.top.document.title
        } catch (error) {
          console.log(error)
        }
        return title
      },

      // 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) {
          // 当前页面使用 https 协议时,强制使 ts 资源也使用 https 协议获取
          if (location.href.indexOf('https') === 0) {
            return targetURL.replace('http://', 'https://')
          }
          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
        }
      },

      // 使用流式下载,边下载边保存,解决大视频文件内存不足的难题 
      streamDownload(isMp4) {
        this.isGetMP4 = isMp4
        this.title = new URL(this.url).searchParams.get('title') || this.title // 获取视频标题
        let fileName = this.title || this.formatTime(new Date(), 'YYYY_MM_DD hh_mm_ss')
        if (document.title !== 'm3u8 downloader') {
          fileName = this.getDocumentTitle()
        }
        this.streamWriter = window.streamSaver.createWriteStream(`${fileName}.${isMp4 ? 'mp4' : 'ts'}`).getWriter()
        this.getM3U8()
      },

      // 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) {
          const targetUrl = new URL(this.url)
          const targetLink = `${targetUrl.protocol}//blog.luckly-mjw.cn/tool-show/m3u8-downloader/index.html?source=${this.url}`;
          if (targetUrl.protocol === 'http:') {
            this.copyToClipboard(targetLink);
            alert('由于浏览器限制,无法从 https 跳转至 http。请在访问 http 协议页面,页面 url 已复制,直接粘贴使用即可')
          } else {
            location.href = targetLink
          }
          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.title = new URL(this.url).searchParams.get('title') || this.title // 获取视频标题
        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 (/.(png|image|ts|jpg|mp4|jpeg)/.test(item)) {
              // 放开片段后缀限制,下载非 # 开头的链接片段
              if (/^[^#]/.test(item)) {
                console.log(item)
                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('视频已加密,可试用右下角入口的「无差别提取工具」')
          }
        })
      },

      // 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
          if (index >= this.rangeDownload.endSegment) {
            return
          }
          this.downloadIndex++
          if (this.finishList[index] && this.finishList[index].status === '') {
            this.finishList[index].status = 'downloading'
            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(6, this.rangeDownload.targetSegment - this.finishNum); i++) {
          download()
        }
      },

      // 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.streamWriter) {
            for (let index = this.streamDownloadIndex; index < this.mediaFileList.length; index++) {
              if (this.mediaFileList[index]) {
                this.streamWriter.write(new Uint8Array(this.mediaFileList[index]))
                this.mediaFileList[index] = null
                this.streamDownloadIndex = index + 1
              } else {
                break
              }
            }
            if (this.streamDownloadIndex >= this.rangeDownload.targetSegment) {
              this.streamWriter.close()
            }
          } else if (this.finishNum === this.rangeDownload.targetSegment) {
            let fileName = this.title || this.formatTime(this.beginTime, 'YYYY_MM_DD hh_mm_ss')
            if (document.title !== 'm3u8 downloader') {
              fileName = this.getDocumentTitle()
            }
            this.downloadFile(this.mediaFileList, fileName)
          }
          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(true)
      },

      // 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(forceRestart) {

        if (!this.finishList.length || this.isPause) {
          return
        }

        let firstErrorIndex = this.downloadIndex // 没有错误项目,则每次都递增
        this.finishList.forEach((item, index) => { // 重置所有错误片段状态
          if (item.status === 'error') {
            item.status = ''
            firstErrorIndex = Math.min(firstErrorIndex, index)
          }
        })
        this.errorNum = 0
        // 已经全部下载进程都跑完了,则重新启动下载进程
        if (this.downloadIndex >= this.rangeDownload.endSegment || forceRestart) {
          this.downloadIndex = firstErrorIndex
          this.downloadTS()
        } else { // 否则只是将下载索引,改为最近一个错误的项目,从那里开始遍历
          this.downloadIndex = firstErrorIndex
        }
      },

      // 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) {
          let fileName = this.title || this.formatTime(this.beginTime, 'YYYY_MM_DD hh_mm_ss')
          if (document.title !== 'm3u8 downloader') {
            fileName = this.getDocumentTitle()
          }
          this.downloadFile(this.mediaFileList, fileName)
        } 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注入');
              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://upyun.luckly-mjw.cn/lib/aes-decryptor.js'

          // 加载 mp4 转码
          let $mp4 = document.createElement('script')
          $mp4.src = 'https://upyun.luckly-mjw.cn/lib/mux-mp4.js'

          // 加载 vue
          let $vue = document.createElement('script')
          $vue.src = 'https://upyun.luckly-mjw.cn/lib/vue.js'

          // 加载 stream 流式下载器
          let $streamSaver = document.createElement('script')
          $streamSaver.src = 'https://upyun.luckly-mjw.cn/lib/stream-saver.js'

          // 监听 vue 加载完成,执行业务代码
          $vue.addEventListener('load', () => {${script}})
          document.body.appendChild($mp4);
          document.body.appendChild($ase);
          document.body.appendChild($streamSaver);
          document.body.appendChild($vue);
          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
      },

    }
  })
  // script注入
</script>

</html>