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抓取公众号文章里面视频

元初芸

目前為 2020-09-28 提交的版本，檢視 最新版本。

// ==UserScript==
// @name         抓取公众号文章里面视频
// @namespace    https://console.tebieshuang.xyz
// @version      1.0
// @description  元初芸
// @author       Leo
// @include        *://mp.weixin.qq.com/s/*
// @include        *://mp.weixin.qq.com/s?*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    function closeMask(){
        let el = document.querySelector( '#video-data-src-mask' );
        el.parentNode.removeChild( el );
    }

    function showDetail( title, media, image ){
        let html = '<div id="video-data-src-mask" style="display:flex;position:fixed;top:0;left:0;z-index:99999999;height:100vh;width:100vw;background:rgba(0,0,0,0.9);color:#fff;font-weight:bold;font-size:18px;"><div style="width:100%;height:100%;position:relative;"><div style="width:100%;height:100%;margin:auto;top:50px;left:0;right:0;bottom:0;position:absolute;"><div style="width:100%;text-align:center">标题：' + title + '</div><div style="width:100%;text-align:center">视频：<a style="color:#fff" href="' + media + '" target="_blank">点击查看</a></div><div style="width:100%;text-align:center">图片：<a style="color:#fff" href="' + image + '" target="_blank">点击查看</a></div><div style="width:100%;text-align:center;margin-top:100px;"><span id="closeVideoMask" style="color:#fff;" href="javascript:;">点击这里关闭</span></div></div></div></div>', e = document.createElement('div');
        e.innerHTML = html;
        document.body.appendChild( e );
    }

    setTimeout( function(){
        let ifs = document.querySelectorAll('iframe.video_iframe'), vds = document.querySelectorAll('.js_inner video');
        if( ifs.length > 0 ){
            let title = document.querySelectorAll('meta[property="og:title"]')[0].getAttribute('content'), domDocument = ifs[0].contentDocument, thumb = domDocument.querySelectorAll('.poster_cover')[0].style.backgroundImage, media = domDocument.querySelectorAll('video')[0].getAttribute('origin_src'), image = thumb.substring(5, thumb.length-2);
            showDetail( title, media, image );
        }else if( vds.length > 0 ){
            let title = document.querySelectorAll('meta[property="og:title"]')[0].getAttribute('content'), thumb = document.querySelectorAll('.js_poster_cover')[0].style.backgroundImage, media = vds[0].getAttribute('origin_src'), image = thumb.substring(5, thumb.length-2);
            showDetail( title, media, image );
        }
        setTimeout( function(){
            document.querySelector('#closeVideoMask').addEventListener('click', function(){
                closeMask();
            }, false);
        }, 1000 );
    }, 2000 );
})();