// ==UserScript==
// @name              微信公众号文章内视频下载（需配合Aria2使用）
// @name:en           WeChatOA Video Downloader
// @namespace         http://mofiter.com/
// @version           0.1
// @description       将微信公众号文章内的视频下载到本地
// @description:en    download videos from WeChatOA to your disk
// @author            mofiter
// @create            2018-10-04
// @lastmodified      2-18-10-05
// @require           https://cdn.bootcss.com/jquery/1.12.4/jquery.min.js
// @match             http*://mp.weixin.qq.com/s*
// @match             http*://v.qq.com/txp/iframe/player.html*
// @grant             GM_getValue
// @grant             GM_setValue
// @grant             GM_xmlhttpRequest
// @grant             GM_openInTab
// ==/UserScript==
(function() {
'use strict';
var $ = $ || window.$;
var log_count = 1;
var hasOpenAriac2Tab = false;
var aria2_url = "http://127.0.0.1:6800/jsonrpc"; //Aria2 地址
var video_save_path = '/Users/mofiter/Downloads'; //视频保存路径
//自定义 log 函数
function mylog(param1,param2){
param1 = param1 ? param1 : "";
param2 = param2 ? param2 : "";
console.log("#" + log_count++ + "-WeChatOAVideoDownloader-log:",param1,param2);
}
setTimeout(function(){
if (location.href.indexOf("v.qq.com/txp/iframe/player.html") > -1){
var txp_controls = document.getElementsByClassName("txp_controls")[0];
var txp_btn_volume = txp_controls.getElementsByClassName("txp_btn_volume")[0];
txp_btn_volume.setAttribute("data-status","mute"); //静音
var txp_btn_play = txp_controls.getElementsByClassName("txp_btn_play")[0];
txp_btn_play.click();
setTimeout(function(){
txp_btn_play.click();
var video = document.getElementsByTagName("video")[0];
var video_src = video.getAttribute("src");
if (video_src.indexOf("blob") === -1){
window.parent.postMessage(video_src,"*");
}else{
window.parent.postMessage('',"*");
}
},1000);
}
if (location.href.indexOf("mp.weixin.qq.com/s") > -1){
window.addEventListener('message', (e) => {
var video_url = e.data;
if (video_url.indexOf("http") > -1){
var file_name = document.getElementsByTagName("h2")[0].innerText;
var qr_code_pc = document.getElementsByClassName("qr_code_pc")[0];
var downloadButton = document.createElement("p");
downloadButton.innerHTML = "<b>点此下载视频</b>";
downloadButton.style.cursor = "pointer";
qr_code_pc.appendChild(downloadButton);
var downloadSetting = document.createElement("p");
downloadSetting.innerHTML = "下载地址设置";
downloadSetting.style.cursor = "pointer";
qr_code_pc.appendChild(downloadSetting);
downloadButton.addEventListener("click",function(){
loadSetting();
if(video_save_path===""){
alert("请点击下载地址设置填写文件保存位置");
}else if(aria2_url===""){
alert("请点击下载地址设置填写 Aria2 地址");
}else{
sendDownloadTaskToAria2(video_url,file_name + ".mp4",video_save_path);
}
});
downloadSetting.addEventListener("click",function(){
showSetting();
});
}else{
mylog("当前视频无法下载");
}
});
var iframe_document = document.getElementsByTagName("iframe")[0].contentWindow.document;
var js_btn_play = iframe_document.getElementsByClassName("js_btn_play")[0];
js_btn_play.click();
setTimeout(function(){
var js_switch = iframe_document.getElementsByClassName("js_switch")[0];
js_switch.click();
var video = iframe_document.getElementsByTagName("video")[0];
var video_src = video.getAttribute("src");
window.parent.postMessage(video_src,"*");
},1000);
}
},2000); // 页面加载完成后2秒执行
//加载个人设置
function loadSetting(){
aria2_url = GM_getValue('aria2_url','http://127.0.0.1:6800/jsonrpc');
video_save_path = GM_getValue('video_save_path','');
}
//打开设置
function showSetting(){
if(document.querySelector('#dl-setting') == null){
var container = document.createElement("div");
container.id = "dl-setting";
container.style = "position:fixed;z-index:999999;top:40px;right:10px;width:auto;height:auto;padding:5px 10px;font-size:14px;border:1px solid #d9dadc;";
container.innerHTML =
"<div style='line-height:25px;'>" +
"<legend style='text-align:center;'>下载设置</legend>" +
"<ul style='list-style-type:none'>" +
"<li>Aria2 地址：</li>" +
"<li><input type='text' id='aria2_url' name='aria2_url' value='" + aria2_url + "' style='width:100%'></input></li>" +
"<li>文件保存位置：</li>\n" +
"<li><input type='text' id='save_path' name='save_path' value='" + video_save_path + "' style='width:100%'></input></li>" +
"</ul>\n" +
"<input type='button' value='取消' id='cancel_button' style='position:relative;float:left;border:1px solid #ccc;padding:0 2px;'></input>\n" +
"<input type='button' value='保存' id='save_button' style='position:relative;float:right;border:1px solid #ccc;padding:0 2px;'></input>\n" +
"</div>";
document.body.appendChild(container);
}else{
loadSetting();
$('#aria2_url').value = aria2_url;
$('#save_path').value = video_save_path;
$('#dl-setting').show();
}
$('#save_button').click(function(){
GM_setValue('aria2_url',$('input[name="aria2_url"]').val());
GM_setValue('video_save_path',$('input[name="save_path"]').val());
$('#dl-setting').hide();
});
$('#cancel_button').click(function(){
$('#dl-setting').hide();
});
}
function sendDownloadTaskToAria2(download_url,file_name,save_path){
var json_rpc = {
id:'',
jsonrpc:'2.0',
method:'aria2.addUri',
params:[
[download_url],
{
dir:save_path,
out:file_name
}
]
};
GM_xmlhttpRequest({
url:aria2_url,
method:'POST',
data:JSON.stringify(json_rpc),
onerror:function(response){
mylog(response);
},
onload:function(response){
mylog(response);
if (!hasOpenAriac2Tab){
GM_openInTab('http://aria2c.com/',{active:true});
hasOpenAriac2Tab = true;
}
}
});
}
})();