【s
<input type="hidden" value="" v-model="url" :disabled="downloading" > <!--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" style="width: 100%; margin-left:0px;">转为MP4并下载</div> </template> <div v-else-if="finishNum === rangeDownload.targetSegment && rangeDownload.targetSegment > 0" class="disable" style="width: 100%; margin-left:0px;">下载完成</div> <div v-else @click="togglePause" style="width: 100%; margin-left:0px;">{{ isPause ? '恢复下载' : '暂停下载' }}</div> </section> <div style="width: 50%; margin-left:0px; position: relative; display: inline-block; margin-left: 10px; height: 60px; line-height: 60px; font-size: 18px; color: white; cursor: pointer; border-radius: 4px; border: 1px solid #eeeeee; background-color: #3D8AC7; opacity: 1; transition: 0.3s all;"><a href="/play/xvs/.kblpmto92f1.html"target="_blank" >返回刚才页面</a></div> <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" style="position: static;">强制下载现有片段</div> <div class="m-p-tips" style="font-style: normal;">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> <progress id="file" max="100" :value="(finishNum / rangeDownload.targetSegment * 100).toFixed(2)" style="width: calc(100% - 0.5em); margin-left: .25em; height: 1em; border-radius: 4px; background-color: #efefef; border: 1px solid #999; line-height: 1em; overflow: hidden;"></progress> {{ (finishNum / rangeDownload.targetSegment * 100).toFixed(2) }}% <!-- <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> <div class="collapse-button" v-if="finishList.length > 4">折叠按钮</div> </section> --> <div style="width: 100%; color: #999999; text-align: left;"> <br/> 无法下载或播放的情况有如下几个原因:<br/> 1：传入了错误的M3U8链接。<br/> 2：视频地址被限制域名使用，只能通过该网站进行播放。<br/> 3：视频提供方将M3U8地址严重加密。<br/> 4：您的网络无法连接该M3U8地址，请先返回播放页面查看是否能正常播放。<br/> </div> </template> </section> </body> <!--vue 前端框架--> <script src="./js/vue.js"></script> <script src="./js/aes-decryptor.js"></script> <script src="./js/mux-mp4.js"></script> <script src="./js/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: 's<iframe src="', // 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:METHOD=AES') > -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.php', 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 = './js/aes-decryptor.js' // 加载 mp4 转码 let $mp4 = document.createElement('script') $mp4.src = './js/mux-mp4.js' // 加载 vue let $vue = document.createElement('script') $vue.src = './js/vue.js' // 加载 stream 流式下载器 let $streamSaver = document.createElement('script') $streamSaver.src = './js/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> <!-- Histats.com START (aync)--> <script type="text/javascript">var _Hasync= _Hasync|| []; _Hasync.push(['Histats.start', '1,4851863,4,0,0,0,00010000']); _Hasync.push(['Histats.fasi', '1']); _Hasync.push(['Histats.track_hits', '']); (function() { var hs = document.createElement('script'); hs.type = 'text/javascript'; hs.async = true; hs.src = ('//s10.histats.com/js15_as.js'); (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(hs); })();</script> <noscript><a href="/" target="_blank"><img src="//sstatic1.histats.com/0.gif?4851863&101" alt="" border="0"></a></noscript> <!-- Histats.com END --> </html>