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Téléchargez l'audio VKontakte via le client js ou l'extension de fichier .m3u8

Comment tout a commencé ...


Comme toujours, accroché à VKontakte, j'ai décidé de télécharger quelques nouveaux enregistrements audio sur l'ordinateur. Mais la déception m'attendait: les enregistrements audio sont revenus dans un format étrange: m3u8. Ce format ne jouait même pas à vlc media pleyer, et j'ai commencé à penser quoi faire ...

Que fais-tu réellement?


En recherchant sur Google le type de format .m3u8, j'ai réalisé qu'il s'agissait d'un fichier audio au format .m3u . Ok, téléchargez ce fichier .m3u8, ouvrez-le avec un éditeur de texte et voyez quelque chose comme ceci:

Texte
#EXTM3U #EXT-X-TARGETDURATION:3 #EXT-X-ALLOW-CACHE:YES #EXT-X-PLAYLIST-TYPE:VOD #EXT-X-VERSION:3 #EXT-X-MEDIA-SEQUENCE:1 #EXTINF:1.000, 6cfGpgIDcrZjA.ts?extra=0F4d1n-wWV6igsS5Ji7x6gYIbtU_aRzsiByqvrumv4W1iznLLoiC552LnsmyKeuuOtw70WTqfYdDCir-nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh #EXTINF:2.000, c2d2tpKzIsYzM.ts?extra=0F4d1n-wWV6igsS5Ji7x6gYIbtU_aRzsiByqvrumv4W1iznLLoiC552LnsmyKeuuOtw70WTqfYdDCir-nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh #EXTINF:3.000, a3fWlvLDwmZD4.ts?extra=0F4d1n-wWV6igsS5Ji7x6gYIbtU_aRzsiByqvrumv4W1iznLLoiC552LnsmyKeuuOtw70WTqfYdDCir-nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh #EXTINF:3.000, edeWZhKTUnazE.ts?extra=0F4d1n-wWV6igsS5Ji7x6gYIbtU_aRzsiByqvrumv4W1iznLLoiC552LnsmyKeuuOtw70WTqfYdDCir-nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh #EXTINF:3.000, 9df2NqJzcmZj0.ts?extra=0F4d1n-wWV6igsS5Ji7x6gYIbtU_aRzsiByqvrumv4W1iznLLoiC552LnsmyKeuuOtw70WTqfYdDCir-nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh #EXT-X-ENDLIST


De plus, nous comprenons que

 9df2NqJzcmZj0.ts?extra=0F4d1n-wWV6igsS5Ji7x6gYIbtU_aRzsiByqvrumv4W1iznLLoiC552LnsmyKeuuOtw70WTqfYdDCir-nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh

- chemin vers l'enregistrement audio. Autrement dit, vous devez remplacer un hôte pour chaque chemin et, très probablement, cet audio deviendra lisible. Après avoir jeté rapidement quelques lignes de code sur python, nous implémentons ceci:

Code
 import re text='''#EXTM3U #EXT-X-TARGETDURATION:3 #EXT-X-ALLOW-CACHE:YES #EXT-X-PLAYLIST-TYPE:VOD #EXT-X-VERSION:3 #EXT-X-MEDIA-SEQUENCE:1 #EXTINF:1.000, 6cfGpgIDcrZjA.ts?extra=0F4d1n-wWV6igsS5Ji7x6gYIbtU_aRzsiByqvrumv4W1iznLLoiC552LnsmyKeuuOtw70WTqfYdDCir-nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh #EXTINF:2.000, c2d2tpKzIsYzM.ts?extra=0F4d1n-wWV6igsS5Ji7x6gYIbtU_aRzsiByqvrumv4W1iznLLoiC552LnsmyKeuuOtw70WTqfYdDCir-nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh #EXTINF:3.000, a3fWlvLDwmZD4.ts?extra=0F4d1n-wWV6igsS5Ji7x6gYIbtU_aRzsiByqvrumv4W1iznLLoiC552LnsmyKeuuOtw70WTqfYdDCir-nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh #EXTINF:3.000, edeWZhKTUnazE.ts?extra=0F4d1n-wWV6igsS5Ji7x6gYIbtU_aRzsiByqvrumv4W1iznLLoiC552LnsmyKeuuOtw70WTqfYdDCir-nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh #EXTINF:3.000, 9df2NqJzcmZj0.ts?extra=0F4d1n-wWV6igsS5Ji7x6gYIbtU_aRzsiByqvrumv4W1iznLLoiC552LnsmyKeuuOtw70WTqfYdDCir-nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh #EXT-X-ENDLIST''' host='https://cs9-5v4.vkuseraudio.net/p16/d5fce44eae6dbc/' al = re.findall('\n.+?\.ts\?extra\=.+?\n',text) for r in al: text=text.replace(r,'\n'+host+r.strip('\n')+'\n') print(text) input() nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh import re text='''#EXTM3U #EXT-X-TARGETDURATION:3 #EXT-X-ALLOW-CACHE:YES #EXT-X-PLAYLIST-TYPE:VOD #EXT-X-VERSION:3 #EXT-X-MEDIA-SEQUENCE:1 #EXTINF:1.000, 6cfGpgIDcrZjA.ts?extra=0F4d1n-wWV6igsS5Ji7x6gYIbtU_aRzsiByqvrumv4W1iznLLoiC552LnsmyKeuuOtw70WTqfYdDCir-nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh #EXTINF:2.000, c2d2tpKzIsYzM.ts?extra=0F4d1n-wWV6igsS5Ji7x6gYIbtU_aRzsiByqvrumv4W1iznLLoiC552LnsmyKeuuOtw70WTqfYdDCir-nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh #EXTINF:3.000, a3fWlvLDwmZD4.ts?extra=0F4d1n-wWV6igsS5Ji7x6gYIbtU_aRzsiByqvrumv4W1iznLLoiC552LnsmyKeuuOtw70WTqfYdDCir-nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh #EXTINF:3.000, edeWZhKTUnazE.ts?extra=0F4d1n-wWV6igsS5Ji7x6gYIbtU_aRzsiByqvrumv4W1iznLLoiC552LnsmyKeuuOtw70WTqfYdDCir-nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh #EXTINF:3.000, 9df2NqJzcmZj0.ts?extra=0F4d1n-wWV6igsS5Ji7x6gYIbtU_aRzsiByqvrumv4W1iznLLoiC552LnsmyKeuuOtw70WTqfYdDCir-nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh #EXT-X-ENDLIST''' host='https://cs9-5v4.vkuseraudio.net/p16/d5fce44eae6dbc/' al = re.findall('\n.+?\.ts\?extra\=.+?\n',text) for r in al: text=text.replace(r,'\n'+host+r.strip('\n')+'\n') print(text) input() nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh import re text='''#EXTM3U #EXT-X-TARGETDURATION:3 #EXT-X-ALLOW-CACHE:YES #EXT-X-PLAYLIST-TYPE:VOD #EXT-X-VERSION:3 #EXT-X-MEDIA-SEQUENCE:1 #EXTINF:1.000, 6cfGpgIDcrZjA.ts?extra=0F4d1n-wWV6igsS5Ji7x6gYIbtU_aRzsiByqvrumv4W1iznLLoiC552LnsmyKeuuOtw70WTqfYdDCir-nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh #EXTINF:2.000, c2d2tpKzIsYzM.ts?extra=0F4d1n-wWV6igsS5Ji7x6gYIbtU_aRzsiByqvrumv4W1iznLLoiC552LnsmyKeuuOtw70WTqfYdDCir-nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh #EXTINF:3.000, a3fWlvLDwmZD4.ts?extra=0F4d1n-wWV6igsS5Ji7x6gYIbtU_aRzsiByqvrumv4W1iznLLoiC552LnsmyKeuuOtw70WTqfYdDCir-nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh #EXTINF:3.000, edeWZhKTUnazE.ts?extra=0F4d1n-wWV6igsS5Ji7x6gYIbtU_aRzsiByqvrumv4W1iznLLoiC552LnsmyKeuuOtw70WTqfYdDCir-nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh #EXTINF:3.000, 9df2NqJzcmZj0.ts?extra=0F4d1n-wWV6igsS5Ji7x6gYIbtU_aRzsiByqvrumv4W1iznLLoiC552LnsmyKeuuOtw70WTqfYdDCir-nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh #EXT-X-ENDLIST''' host='https://cs9-5v4.vkuseraudio.net/p16/d5fce44eae6dbc/' al = re.findall('\n.+?\.ts\?extra\=.+?\n',text) for r in al: text=text.replace(r,'\n'+host+r.strip('\n')+'\n') print(text) input() nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh import re text='''#EXTM3U #EXT-X-TARGETDURATION:3 #EXT-X-ALLOW-CACHE:YES #EXT-X-PLAYLIST-TYPE:VOD #EXT-X-VERSION:3 #EXT-X-MEDIA-SEQUENCE:1 #EXTINF:1.000, 6cfGpgIDcrZjA.ts?extra=0F4d1n-wWV6igsS5Ji7x6gYIbtU_aRzsiByqvrumv4W1iznLLoiC552LnsmyKeuuOtw70WTqfYdDCir-nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh #EXTINF:2.000, c2d2tpKzIsYzM.ts?extra=0F4d1n-wWV6igsS5Ji7x6gYIbtU_aRzsiByqvrumv4W1iznLLoiC552LnsmyKeuuOtw70WTqfYdDCir-nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh #EXTINF:3.000, a3fWlvLDwmZD4.ts?extra=0F4d1n-wWV6igsS5Ji7x6gYIbtU_aRzsiByqvrumv4W1iznLLoiC552LnsmyKeuuOtw70WTqfYdDCir-nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh #EXTINF:3.000, edeWZhKTUnazE.ts?extra=0F4d1n-wWV6igsS5Ji7x6gYIbtU_aRzsiByqvrumv4W1iznLLoiC552LnsmyKeuuOtw70WTqfYdDCir-nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh #EXTINF:3.000, 9df2NqJzcmZj0.ts?extra=0F4d1n-wWV6igsS5Ji7x6gYIbtU_aRzsiByqvrumv4W1iznLLoiC552LnsmyKeuuOtw70WTqfYdDCir-nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh #EXT-X-ENDLIST''' host='https://cs9-5v4.vkuseraudio.net/p16/d5fce44eae6dbc/' al = re.findall('\n.+?\.ts\?extra\=.+?\n',text) for r in al: text=text.replace(r,'\n'+host+r.strip('\n')+'\n') print(text) input() nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh import re text='''#EXTM3U #EXT-X-TARGETDURATION:3 #EXT-X-ALLOW-CACHE:YES #EXT-X-PLAYLIST-TYPE:VOD #EXT-X-VERSION:3 #EXT-X-MEDIA-SEQUENCE:1 #EXTINF:1.000, 6cfGpgIDcrZjA.ts?extra=0F4d1n-wWV6igsS5Ji7x6gYIbtU_aRzsiByqvrumv4W1iznLLoiC552LnsmyKeuuOtw70WTqfYdDCir-nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh #EXTINF:2.000, c2d2tpKzIsYzM.ts?extra=0F4d1n-wWV6igsS5Ji7x6gYIbtU_aRzsiByqvrumv4W1iznLLoiC552LnsmyKeuuOtw70WTqfYdDCir-nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh #EXTINF:3.000, a3fWlvLDwmZD4.ts?extra=0F4d1n-wWV6igsS5Ji7x6gYIbtU_aRzsiByqvrumv4W1iznLLoiC552LnsmyKeuuOtw70WTqfYdDCir-nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh #EXTINF:3.000, edeWZhKTUnazE.ts?extra=0F4d1n-wWV6igsS5Ji7x6gYIbtU_aRzsiByqvrumv4W1iznLLoiC552LnsmyKeuuOtw70WTqfYdDCir-nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh #EXTINF:3.000, 9df2NqJzcmZj0.ts?extra=0F4d1n-wWV6igsS5Ji7x6gYIbtU_aRzsiByqvrumv4W1iznLLoiC552LnsmyKeuuOtw70WTqfYdDCir-nmlL3VlLR9i2Y6IPOudQxWPbZjlslXE7prmIvdLyoLxb3A9NFnHo2KR5NStPg1sk6ZVXrYBh #EXT-X-ENDLIST''' host='https://cs9-5v4.vkuseraudio.net/p16/d5fce44eae6dbc/' al = re.findall('\n.+?\.ts\?extra\=.+?\n',text) for r in al: text=text.replace(r,'\n'+host+r.strip('\n')+'\n') print(text) input()


et nous obtenons un fichier .m3u déjà jouable.

MAIS! Le problème est que:

  • Ce fichier ne peut être lu que lorsque les liens vers les espaces audio sont valides.
  • Vous pouvez également convertir le fichier uniquement tant que les liens sont valides
  • Vous ne pouvez convertir le fichier que sur l'ordinateur sur lequel il a été reçu. les liens sont liés à l'adresse IP du PC.

Ayant compris tout cela, j'ai décidé d'écrire un programme sur le client js afin qu'il puisse être exécuté sur la ligne de commande. Voici ce que j'ai obtenu:

Le programme
 class music_get{ constructor(){ this.el=document.getElementsByClassName("audio_row"); this.str_param=[]; this.json=[]; this.last_len=this.el.length; this.make_str(this.el); this.load_audio_to_json(0,this.str_param[0]); } parse(element_){ //,  id ,     ,   . //let i=JSON.parse(element_.attributes['data-audio'].nodeValue),s1=i[13].split("/"); //return i[1]+"_"+i[0]+"_"+s1[2]+"_"+s1[s1.length-2]; let i = AudioUtils.asObject(JSON.parse(element_.getAttribute('data-audio'))); return i.fullId+"_"+i.actionHash+"_"+i.urlHash; } encode_url(t) { //,     let c = {v:(t)=> { return t.split('').reverse().join('')},r: (t, e) => {t = t.split('');for (let i, o = _ + _, a = t.length; a--; ) ~(i = o.indexOf(t[a])) && (t[a] = o.substr(i - e, 1));return t.join('')}, s: (t,e)=> { let i = t.length;if (i) { let o = function(t, e) {let i = t.length,o = [];if (i) {let a = i;for (e = Math.abs(e); a--; ) e = (i * (a + 1) ^ e + a) % i,o[a] = e }return o}(t, e), a = 0;for (t = t.split(''); ++a < i; ) t[a] = t.splice(o[i - 1 - a], 1, t[a]) [0];t = t.join('')}return t}, i:(t, e)=> {return cs(t, e ^ vk.id)},x: (t, e)=> {let i = [];return e = e.charCodeAt(0),each(t.split(''), (t, o) => {i.push(String.fromCharCode(o.charCodeAt(0) ^ e))}),i.join('')} },_ = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMN0PQRSTUVWXYZO123456789+/=',h=(t)=>{ if (!t || t.length % 4 == 1) return !1;for (var e, i, o = 0, a = 0, s = ''; i = t.charAt(a++); ) ~(i = _.indexOf(i)) && (e = o % 4 ? 64 * e + i : i, o++ % 4) && (s += String.fromCharCode(255 & e >> ( - 2 * o & 6)));return s}; if ((!window.wbopen || !~(window.open + '').indexOf('wbopen')) && ~t.indexOf('audio_api_unavailable')) { let e = t.split('?extra=')[1].split('#'),i=''===e[1]?'':h(e[1]); if (e = h(e[0]), 'string' != typeof i || !e) return t;for (var o, a, s = (i = i ? i.split(String.fromCharCode(9)) : []).length; s--; ) {if (o = (a = i[s].split(String.fromCharCode(11))).splice(0, 1, e) [0], !c[o]) return t; e = c[o].apply(null, a)}if (e && 'http' === e.substr(0, 4)) return e}return t } end(){ //    html    each(this.json,(_,item)=>{ let els = document.querySelectorAll('[data-full-id="'+item.fullId+'"]')[0]; if(els.children[0].children[6].children.length===3)return; els.children[0].children[6].innerHTML+="<div onclick='new music_download().download(this);' style='float:right;height:40px;width:40px;background:url(/doc472427950_504561254) no-repeat 5px 5px;'></div>" els.children[0].children[6].children[2].attributes.info=item; }); } make_str(mass){ //,    str_param   id ,     . each(mass,(i,e)=>{ if(Math.floor(i/10)===i/10) this.str_param.push(this.parse(e)); else this.str_param[this.str_param.length-1]+=","+this.parse(e); }); } load_audio_to_json(i,l){ //    ,        , //       this.json ajax.post("/al_audio.php",{act:'reload_audio',al:'1',ids:l},{onDone:(a)=>{ //each - ,     vk.com -   array.forEach each(a,(_,c)=>{ c=AudioUtils.asObject(c); //   ,    ) c.url = this.encode_url(c.url); this.json.push(c); }); // if(this.str_param.length-1===i) this.end(); else this.load_audio_to_json(i+1,this.str_param[i+1]); }}); } _update_scroll(){ //,    . if(this.el.length===this.last_len)return; let c = this.el.length,offset=c-this.last_len; this.last_len=c; let arr = Array.from(this.el).splice(-offset); this._load_button(arr); } _load_button(list){ //,    . let leng=this.str_param.length-1; this.make_str(list); this.load_audio_to_json(leng,this.str_param[leng]); } } class music_download{ //constructor(){} download(e){ this.info = e.attributes.info; //   - .mp3,        if(this.info.url.indexOf(".mp3?")!==-1) window.open(this.info.url); else //       .m3u8,   (), //       .ts,    . //    response: fetch(this.info.url).then((e)=>e.text().then((e)=>this.response(e))); } response(data){ let alls = data.match(/\n.+?\.ts\?/ig), host=this.info.url.split("index.m3u8")[0]; each(alls,(_,e)=>data=data.replace(e,"\n"+host+e.replace('\n',''))); //   this.download_data(this.info.title.replace(/[-\/\\:*?"<>|]/gim,'')+".m3u8",data); } download_data(f_n, t) { let e = document.createElement('a'); e.setAttribute('href', //'data:text/plain;charset=utf-8,' 'data:text/html;base64,'+ btoa(t)); e.setAttribute('download', f_n); e.style.display = 'none'; document.body.appendChild(e); e.click(); document.body.removeChild(e); } } var mus = new music_get(); //  window.onscroll=()=>mus._update_scroll();

Le résultat est quelque chose comme ceci:


De plus, après avoir téléchargé tout l'audio dans un dossier, j'ai écrit le code python suivant pour convertir tout l'audio .m3u8 en .ts :

Code
 import requests,re,os def convert_mp3(f): z=open(f).read() con=list(map(lambda e: e.rstrip('\n').rstrip('#EXT-X-ENDLIST').rstrip("\n") if '#EXTM3U' not in e else '' ,re.split('#EXTINF:\d+.\d+,\n',z))) z = b'' for r in con: if(r==''):continue; z+=requests.get(r).content open(f.strip(".m3u8")+".ts",'bw').write(z) z=set() for file in os.listdir(): if file.endswith(".m3u8"): z.add(file) convert_mp3(file) z=',\n'.join(z) input(f":{z} .\n Enter,  !")


En principe, vous pouvez essayer de combiner des extraits .ts sur js puis télécharger l'intégralité du fichier, mais je n'ai pas réussi (

PS qui réussit - écrivez dans les commentaires
PPS j'ai oublié de dire que Yandex.browser renvoie toujours des liens vers .mp3)

Mise à jour:


Comme nokimaro l'a correctement noté, vous pouvez immédiatement télécharger le mp3:
code
 class music_get{ constructor(){ this.el=document.getElementsByClassName("audio_row"); this.s=[]; this.j=[]; this.last_len=this.el.length; this.make_str(this.el); this.load_audio_to_json(0,this.s[0]); } parse(element_){ //,  id ,     ,   . //let i=JSON.parse(element_.attributes['data-audio'].nodeValue),s1=i[13].split("/"); //return i[1]+"_"+i[0]+"_"+s1[2]+"_"+s1[s1.length-2]; let i = AudioUtils.asObject(JSON.parse(element_.getAttribute('data-audio'))); return i.fullId+"_"+i.actionHash+"_"+i.urlHash; } encode_url(t) { //,     let c = {v:(t)=> { return t.split('').reverse().join('')},r: (t, e) => {t = t.split('');for (let i, o = _ + _, a = t.length; a--; ) ~(i = o.indexOf(t[a])) && (t[a] = o.substr(i - e, 1));return t.join('')}, s: (t,e)=> { let i = t.length;if (i) { let o = function(t, e) {let i = t.length,o = [];if (i) {let a = i;for (e = Math.abs(e); a--; ) e = (i * (a + 1) ^ e + a) % i,o[a] = e }return o}(t, e), a = 0;for (t = t.split(''); ++a < i; ) t[a] = t.splice(o[i - 1 - a], 1, t[a]) [0];t = t.join('')}return t}, i:(t, e)=> {return cs(t, e ^ vk.id)},x: (t, e)=> {let i = [];return e = e.charCodeAt(0),each(t.split(''), (t, o) => {i.push(String.fromCharCode(o.charCodeAt(0) ^ e))}),i.join('')} },_ = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMN0PQRSTUVWXYZO123456789+/=',h=(t)=>{ if (!t || t.length % 4 == 1) return !1;for (var e, i, o = 0, a = 0, s = ''; i = t.charAt(a++); ) ~(i = _.indexOf(i)) && (e = o % 4 ? 64 * e + i : i, o++ % 4) && (s += String.fromCharCode(255 & e >> ( - 2 * o & 6)));return s}; if ((!window.wbopen || !~(window.open + '').indexOf('wbopen')) && ~t.indexOf('audio_api_unavailable')) { let e = t.split('?extra=')[1].split('#'),i=''===e[1]?'':h(e[1]); if (e = h(e[0]), 'string' != typeof i || !e) return t;for (var o, a, s = (i = i ? i.split(String.fromCharCode(9)) : []).length; s--; ) {if (o = (a = i[s].split(String.fromCharCode(11))).splice(0, 1, e) [0], !c[o]) return t; e = c[o].apply(null, a)}if (e && 'http' === e.substr(0, 4)) return e}return t } end(){ //    html    each(this.j,(_,i)=>{ let e = document.querySelectorAll('[data-full-id="'+i.fullId+'"]')[0],q=e.children[0].children[6]; if(q.children.length===3)return; q.innerHTML+="<a href='"+this._g(i)+"' target='_blank' style='float:right;height:40px;width:40px;background:url(/doc472427950_504561254) no-repeat 5px 5px;'></a>" }); } _g(info){ if(info.url.indexOf(".mp3?")!==-1) return info.url; else return info.url.replace("/index.m3u8",".mp3").replace(/\/\w{11}\//,'/'); } make_str(mass){ //,    s   id ,     . each(mass,(i,e)=>{ if(Math.floor(i/10)===i/10) this.s.push(this.parse(e)); else this.s[this.s.length-1]+=","+this.parse(e); }); } load_audio_to_json(i,l){ //    ,        , //       this.j ajax.post("/al_audio.php",{act:'reload_audio',al:'1',ids:l},{onDone:(a)=>{ //each - ,     vk.com -   array.forEach each(a,(_,c)=>{ c=AudioUtils.asObject(c); //   ,    ) c.url = this.encode_url(c.url); this.j.push(c); }); // if(this.s.length-1===i) this.end(); else this.load_audio_to_json(i+1,this.s[i+1]); }}); } _update_scroll(){ //,    . if(this.el.length===this.last_len)return; let c = this.el.length,offset=c-this.last_len; this.last_len=c; let arr = Array.from(this.el).splice(-offset); this._load_button(arr); } _load_button(list){ //,    . let leng=this.s.length-1; this.make_str(list); this.load_audio_to_json(leng,this.s[leng]); } } //  var m = new music_get(); window.onscroll=()=>m._update_scroll();

code compressé:
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Source: https://habr.com/ru/post/fr457438/

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