xiami

1

http://www.xiami.com/song/1769497449

http://www.xiami.com/widget/json-single/uid/0/sid/1769497449

{"location":"5h3%.i%5F%21%643%.tA2x.2615F%594%5mt%FinF96E%2E495Epp2fae2%985519_E53%F1mt323%E277121"}

http://f1.xiami.net/23569/169308/01%201769497449_1302051.mp3

2.rb

require "cgi"

def rtan(str)
  CGI::unescape(str)
end

def sospa(str)
  totle = str.to_i
  new_str = str[1..-1]
  chu = (new_str.length.to_f / totle).floor
  yu = new_str.length % totle
  stor = []

  i = 0
  while i<yu do
    index = (chu+1)*i
    length = chu+1
    stor[i] = new_str[index...index+length]

    i+=1
  end


  i = yu
  while i<totle do
    index = chu*(i-yu)+(chu+1)*yu
    length = chu

    stor[i] = new_str[index...index+length]
    
    i+=1
  end

  pin_str = ""
  0.upto(stor[0].length-1) do |ii|
    0.upto(stor.length-1) do |jj|
      pin_str += stor[jj][ii...ii+1]
    end
  end

  pin_str = rtan(pin_str)
  return_str = ""

  0.upto(pin_str.length-1) do |iii|
    if pin_str[iii...iii+1]=='^'
      return_str<<"0"
    else
      return_str<<pin_str[iii...iii+1]
    end
  end

  return_str
end

3.js

var group = 5;
function jiami(s)
{
	var temp = [];
	var groupSize,bot;
    // 把 0 替换成 ^
	s.indexOf('0') > -1 ? s = s.split('0').join('^') : void(0);
    // encodeURI
	s.indexOf('+') > -1 ? s = encodeURIComponent(s.split('+').join('0')).split('0').join('+') : encodeURIComponent(s);

    
	groupSize = Math.floor(s.length / group);
	bot = s.length % group;
	for(var i=0;i<groupSize;++i)
	{
		for(var j=0;j<group;++j)
		{
			temp[j] == undefined ? temp[j] = '' : void(0);
			temp[j] += s.charAt(i*group+j);
		}
	}
	for(var i=0;i<bot;++i)
	{
		temp[i] += s.charAt((groupSize*group+i));
	}
	s = group + temp.join('');
	return s;
}

function jiemi(sourceString)
    {

        var _loc9 = Number(sourceString.charAt(0));
        var _loc7 = sourceString.substring(1);
        var _loc5 = Math.floor(_loc7.length / _loc9);
        var _loc6 = _loc7.length % _loc9;
        var _loc2 = new Array();
        for (var _loc3 = 0; _loc3 < _loc6; ++_loc3)
        {
            if (_loc2[_loc3] == undefined)
            {
                _loc2[_loc3] = "";
            } // end if
            _loc2[_loc3] = _loc7.substr((_loc5 + 1) * _loc3, _loc5 + 1);
        } // end of for
        for (var _loc3 = _loc6; _loc3 < _loc9; ++_loc3)
        {
            _loc2[_loc3] = _loc7.substr(_loc5 * (_loc3 - _loc6) + (_loc5 + 1) * _loc6, _loc5);
        } // end of for
        var _loc4 = "";
        for (var _loc3 = 0; _loc3 < _loc2[0].length; ++_loc3)
        {
            for (var _loc1 = 0; _loc1 < _loc2.length; ++_loc1)
            {
                _loc4 = _loc4 + _loc2[_loc1].charAt(_loc3);
            } // end of for
        } // end of for
        _loc4 = unescape(_loc4);
        var _loc8 = "";
        for (var _loc3 = 0; _loc3 < _loc4.length; ++_loc3)
        {
            if (_loc4.charAt(_loc3) == "^")
            {
                _loc8 = _loc8 + "0";
                continue;
            } // end if
            _loc8 = _loc8 + _loc4.charAt(_loc3);
        } // end of for //trans ^ to 0
        return (_loc8);
    }

function test()
{
	var $=document,
		$$='getElementById',
		testurl = $[$$]('url').value,
		encode = jiami(testurl),
		decode = jiemi(encode);
		alert('URL明文为:'+testurl+'\n'
		+'加 密后为:'+encode+'\n'
		+'解 密后为:'+decode);
}

4.js

var song_id='1769497449';

function rtan(str){
    var ret="";
    for(var i=0;i<str.length;i++){
        var chr = str.charAt(i);
        if(chr == "+"){
            ret+=" ";
        }else if(chr=="%"){
            var asc = str.substring(i+1,i+3);
            if(parseInt("0x"+asc)>0x7f){
                ret+=String.fromCharCode(parseInt("0x"+asc+str.substring(i+4,i+6)));
                i+=5;
            }else{
                ret+=String.fromCharCode(parseInt("0x"+asc));
                i+=2;
            }
        }else{
            ret+= chr;
        }
    }
    return ret;
}


function sospa(str)
{
    var totle = parseInt(str);
    var newString = str.substr(1);
    var chu = Math.floor(newString.length / totle);
    var yu = newString.length % totle;
    var stor = new Array();
    var i;

    for(i = 0;i<yu;i++)
    {
        stor[i] = newString.substr((chu+1)*i,chu+1);
    }

    for(i=yu;i<totle;i++)
    {
        stor[i] = newString.substr(chu*(i-yu)+(chu+1)*yu,chu);
    }

    var pinString = '';
    for(i=0;i<stor[0].length;i++)
    {
        for(j=0;j<stor.length;j++)
        {
            pinString += stor[j].substr(i,1);
        }
    }
    pinString = rtan(pinString);
    var returnString = '';
    for(i=0;i<pinString.length;i++)
    {
        if(pinString.substr(i,1)=='^')
        {
            returnString += "0";
        } else {
            returnString += pinString.substr(i,1);
        }
    }
    return returnString;
}





















var addEvent = (function () {
    if (document.addEventListener) {
        return function (el, type, fn) {
            if (el && el.nodeName || el === window) {
                el.addEventListener(type, fn, false);
            } else if (el && el.length) {
                for (var i = 0; i < el.length; i++) {
                    addEvent(el[i], type, fn);
                }
            }
        };
    } else {
        return function (el, type, fn) {
            if (el && el.nodeName || el === window) {
                el.attachEvent('on' + type, function () {
                    return fn.call(el, window.event);
                });
            } else if (el && el.length) {
                for (var i = 0; i < el.length; i++) {
                    addEvent(el[i], type, fn);
                }
            }
        };
    }
})(),
togglePlayClick = function() {
    if(audio.paused){
        audio.play();
    }else {
        audio.pause();
    }
};
var audio 		= document.querySelector('#audio'),
togglePlay 		= document.querySelector('#buttonPlay'),
duration		= document.querySelector('#duration');
$(document).ready(function() {
    var Song = new Array();
    $.getJSON("/widget/json-single/uid/0/sid/"+song_id,function(data) {
        Song = {
            location:data.location
        };
        if(Song.location) {
            $(togglePlay).attr('class','play');
            $(audio).attr("src",sospa(Song.location));
            audio.load();
            addEvent(togglePlay,'touchstart',function() {
                togglePlayClick();
            });
            addEvent(audio, 'play', function () {
                audio.play();
                $(togglePlay).attr('class','pause');
                togglePlay.innerHTML = '暂停';
            });
            addEvent(audio,'pause',function() {
                audio.pause();
                $(togglePlay).attr('class','play');
                togglePlay.innerHTML = '播放';
            });
            // addEvent(audio,'canplay',function() {$(togglePlay).attr('class','play');});
            addEvent(audio,'timeupdate',function() {
                var p = this.currentTime / this.duration;
                duration.style.width = p*100+'%';
            });
            addEvent(audio,'ended',function(){
                audio.pause();
                audio.currentTime=0;
                $(togglePlay).attr('class','play');
            });
        }
    });
});