115 lines
4.0 KiB
JavaScript
115 lines
4.0 KiB
JavaScript
// ==UserScript==
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// @name Universal encrypted video downloader
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// @namespace http://tampermonkey.net/
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// @version 0.1
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// @description Bypass the encrypted video download protection via js hook
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// @author Evan
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// @match https://www.bilibili.com/video/*
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// @match https://www.bilibili.com/bangumi/play/*
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// @match https://www.youtube.com/watch*
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// @match https://www.huya.com/*
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// @match https://live.bilibili.com/*
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// @grant none
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// ==/UserScript==
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jsMedia = new Object();
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jsMedia.mediaSources = [];
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jsMedia.enableAutoDownload = true;
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(function () {
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jsMedia.videos = document.getElementsByTagName('video');
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jsMedia.downloadRawData = function (bufferList, fileName = 'out', ext = '.mp4') {
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var buffList = new Array();
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var totalLength = 0;
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for (var i = 0; i < bufferList.length; i++) {
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totalLength += bufferList[i].byteLength;
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if (totalLength > 1073741824 || i == bufferList.length - 1) {
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buffList.push(new Uint8Array(totalLength));
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totalLength = 0;
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}
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}
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var lastLength = 0;
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var part = 0;
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for (var ix = 0; ix < bufferList.length; ix++) {
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//10485760
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//1073741824
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buffList[part].set(new Uint8Array(bufferList[ix]), lastLength);
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lastLength += bufferList[ix].byteLength;
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if (lastLength > 1073741824) {
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part++;
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lastLength = 0
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}
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}
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for (var iz = 0; iz < buffList.length; iz++) {
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var buff = buffList[iz];
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let url = window.URL.createObjectURL(new Blob([buff], { type: "arraybuffer" }))
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const link = document.createElement('a');
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link.style.display = 'none';
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link.href = url;
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link.setAttribute('download', fileName + "_" + iz + ext);
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document.body.appendChild(link);
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link.click();
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document.body.removeChild(link);
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}
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};
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jsMedia.download = function () {
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for (var i = 0; i < jsMedia.mediaSources.length; i++) {
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var currentItem = jsMedia.mediaSources[i];
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if (currentItem.downloaded == undefined || currentItem.downloaded == false) {
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for (var x = 0; x < currentItem.rawSources.length; x++) {
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jsMedia.downloadRawData(currentItem.rawSources[x], 'mediasource_' + i + '_' + x);
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}
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}
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currentItem.downloaded = true;
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}
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};
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jsMedia.downloadMediaSource = function (mediaSource) {
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for (var x = 0; x < mediaSource.rawSources.length; x++) {
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jsMedia.downloadRawData(mediaSource.rawSources[x], 'mediasource_' + x);
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mediaSource.downloaded = true;
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}
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};
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jsMedia.setSpeed = function (speed) {
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for (let i = 0, length = jsMedia.videos.length; i < length; i++) {
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jsMedia.videos[i].playbackRate = 10;
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}
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};
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var proxy_addSourceBuffer = MediaSource.prototype.addSourceBuffer;
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MediaSource.prototype.addSourceBuffer = function (mimeType) {
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var mediaSourceThis = this;
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jsMedia.mediaSources.push(this);
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this.lastPos = 0;
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if (jsMedia.enableAutoDownload) {
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this.onsourceended = function () {
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jsMedia.download();
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};
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this.onsourceclose = function () {
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jsMedia.downloadMediaSource(this);
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};
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}
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var retSourceBuffer = proxy_addSourceBuffer.apply(this, [].slice.call(arguments));
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if (this.rawSources == undefined) {
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this.rawSources = [];
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}
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var buffList = [];
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this.rawSources.push(buffList);
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retSourceBuffer.rawData = buffList;
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return retSourceBuffer;
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};
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var proxy_appendBuffer = SourceBuffer.prototype.appendBuffer;
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SourceBuffer.prototype.appendBuffer = function (buf) {
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this.rawData.push(buf);
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return proxy_appendBuffer.apply(this, [].slice.call(arguments));
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};
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})(); |