sndcld_crkr_l0l_node.js

sndcld_crkr_l0l_node.js

//sndcld craker, nodejs. lol.
//this is a fun client-side-only lite 'hack'. It may not continue to work if the bot-detection system is well designed or if the developers see this hack and change the exact text patterns in their API

//designed to run in nodejs, nodejs has no audio player so I reccomend using ffplay that comes with the ffmpeg library/full-install
var https=require("https");
//exec_=require("child_process");
//zlib = require("zlib"); //use on resp buffer if needed to implement accept-encoding: gzip request header

if(typeof self=="undefined") let self=this; //must be global context this right here

self.fakeFox='Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:135.0) Gecko/20100101 Firefox/135.0';
self.options = {
  method: 'GET'
};

self.l_rez=[];

let curl=function getHttpsUrl(url,cb){
var cbf=typeof cb=="function",
req = https.request(url, self.options, (res) => {

  var rd=[],rv={"hed":res.headers,"sc":res.statusCode,"url":url},
  ri=self.l_rez.push(rv);
  res.on('data', (d) => { rd.push(d); });
  res.on("end",(e)=>{ rv.rez=Buffer.concat(rd); cbf&&cb(rv.rez, ri); });
});

req.on('error', (e) => {
  console.error(e); cbf&&cb(null,null,e);
});

req.setHeader("User-Agent",self.fakeFox);

req.end();
}; //end of getHttpsUrl

self.aaay=function Array_ext(s){
	s=s.substr(s.indexOf("["));
	var b=0,e=-1, L=9000;
	do{ b=s.indexOf("[",b+1); e=s.indexOf("]",e+1); }while(b<e&&L--);
	return s.substr(0,e+1);
};


self.get_s_trac=function getStrac(s_trac){
	
curl(s_trac,(dat,r_i)=>{

 let sdata=dat.toString("binary"),

tri=sdata.indexOf('"transcodings":'), //check quantity with sdata.split('"transcodings":') //???
abg=sdata.indexOf("[",tri),
 abd=sdata.substr(abg); abd.substr(0,5);

let rzz=aaay(abd),
rza=rzz.split('url'); //semi on PURPOSE

if(tri==-1||rza.length==1) return console.error("Falure @ start of API extract sequence");

i=1,L=rza.length,c=false;

while(i<L){ c=rza[i]; if(c.indexOf('"mp3')!=-1&&c.indexOf("progre")!=-1) break; else c=false; i++; };
  //can replace "mp3 with "opus but progre isn't available so it has to be hls, my recommended method is load the hls/m3u8 list with curl function and grab the LAST audio segment from the list and replace the start-byte-index in the url with 0 to get a progressive stream that MIGHT work.

let ub,url=c.substring(ub=c.indexOf("http"),c.indexOf('"',ub));

	let dunLy=function(urg){ //might need to re-request this if at_last_real_mp3_url expires
		console.log("Mp3 url: "+(self.at_last_real_mp3_url=JSON.parse(urg.toString("binary")).url));
		//use (child_process) exec_.spawn('ffplay "'+self.at_last_real_mp3_url+'"',(proc)=>{ /*proccess handler including closer, implement play/pause and seeking if possible to emulate js Audio object but not entire HTML element*/ });
	};
if(self._snd_cid){
	curl(url+"?client_id="+_snd_cid, dunLy);
}else{
let scrip=sdata.split("<script "),slst=[];
i=1,L=scrip.length,c=false,b=8,jsurl=false;

while(i<L){
	c=scrip[i]; c=c.substr(0,c.indexOf('>'));
	if(b=c.indexOf('src=')){ jsurl=c.substring(c.indexOf('"',b)+1,c.indexOf('"',b+8)); if(jsurl.indexOf('ets/0')!=-1) break; }
	i++;
};

curl(jsurl,(jd2)=>{ let js=jd2.toString("binary"),b=js.indexOf('client_id:"'),a=js.indexOf('"',b+14);
	self._snd_cid=js.substring(js.indexOf('"',b)+1,a);
	cL=self._snd_cid.length;
	if((!cL)||cL<12||cL>48) return console.error("With client_id extractor we have problem");
	curl(url+"?client_id="+_snd_cid, dunLy); // (invent way to linierize this callstack mess please)
}); //end inner 1 curl call
}

}); //end curl call

};// end get_s_trac main run function

//input desired soundcloud track here into this curl function
self.get_s_trac("https://soundcloud.com/while_false/wires");
 //awesome banger of a track
///search/sets?q= for playlists
// get_s_trac("https://soundcloud.com/krosia/rivage-1");
//get_s_trac("https://soundcloud.com/alison_synths/lightyears-1");

//use to find more tracks scj+tracs("artist name track name");
self.sch_tracs=function(tn){
	curl("https://soundcloud.com/search/sounds?q="+encodeURI(tn),(dat)=>{ let sdat=dat.toString('binary');
		self.search_rez_list=sdat.substring(b=sdat.indexOf('>Search '),sdat.indexOf('</noscript>',b)).split('<a href=').slice(4);
		console.log("got search results qty "+self.search_rez_list.length);
	});
}; //end sch_tracs