├── README.md
├── xiami.py
├── xiami.js
└── xiami.php


/README.md:
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 1 | xiami
 2 | =====
 3 | 
 4 | 虾米歌曲链接地址破解算法
 5 | 
 6 | *  PHP版
 7 | 
 8 | *  Python版
 9 | 
10 | *  Js版
11 | 
12 | 
13 | 


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/xiami.py:
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 1 | #encoding:utf-8
 2 | import urllib
 3 | 
 4 | 
 5 | def caesar(location):
 6 |     num = int(location[0])
 7 |     avg_len, remainder = int(len(location[1:]) / num), int(len(location[1:]) % num)
 8 |     result = [location[i * (avg_len + 1) + 1: (i + 1) * (avg_len + 1) + 1] for i in range(remainder)]
 9 |     result.extend([location[(avg_len + 1) * remainder:][i * avg_len + 1: (i + 1) * avg_len + 1] for i in range(num-remainder)])
10 |     url = urllib.unquote(''.join([''.join([result[j][i] for j in range(num)]) for i in range(avg_len)]) + \
11 |                         ''.join([result[r][-1] for r in range(remainder)])).replace('^','0')
12 |     return url
13 | 


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/xiami.js:
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 1 | module.export = (location) => {
 2 |     let num = location[0];
 3 |     let params = location.substr(1, location.length);
 4 | 
 5 |     let sliceLength = Math.floor(params.length / num);
 6 | 
 7 |     let remainLength = params.length % num;
 8 |     let group = [];
 9 |     let result = '';
10 | 
11 |     for (let i=0; i<num; ++i) {
12 |         group[i] = i<remainLength ? params.substr((sliceLength+1)*i, sliceLength+1) : params.substr(sliceLength * (i - remainLength) + (sliceLength + 1) * remainLength, sliceLength);
13 |     }
14 | 
15 |     for (let i=0; i<group[0].length; ++i) {
16 |         for (let j=0; j<group.length; ++j) {
17 |             result += group[j][i] ? group[j][i] : '';
18 |         }
19 |     }
20 | 
21 |     return decodeURIComponent(result).replace(/\^/g, '0');
22 | };
23 | 


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/xiami.php:
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 1 | <?php
 2 | function getLocation($location){
 3 |         $loc_2 = (int)substr($location, 0, 1);
 4 |         $loc_3 = substr($location, 1);
 5 |         $loc_4 = floor(strlen($loc_3) / $loc_2);
 6 |         $loc_5 = strlen($loc_3) % $loc_2;
 7 |         $loc_6 = array();
 8 |         $loc_7 = 0;
 9 |         $loc_8 = '';
10 |         $loc_9 = '';
11 |         $loc_10 = '';
12 |         while ($loc_7 < $loc_5){
13 |             $loc_6[$loc_7] = substr($loc_3, ($loc_4+1)*$loc_7, $loc_4+1);
14 |             $loc_7++;
15 |         }
16 |         $loc_7 = $loc_5;
17 |         while($loc_7 < $loc_2){
18 |             $loc_6[$loc_7] = substr($loc_3, $loc_4 * ($loc_7 - $loc_5) + ($loc_4 + 1) * $loc_5, $loc_4);
19 |             $loc_7++;
20 |         }
21 |         $loc_7 = 0;
22 |         while ($loc_7 < strlen($loc_6[0])){
23 |             $loc_10 = 0;
24 |             while ($loc_10 < count($loc_6)){
25 |                 $loc_8 .= isset($loc_6[$loc_10][$loc_7]) ? $loc_6[$loc_10][$loc_7] : null;
26 |                 $loc_10++;
27 |             }
28 |             $loc_7++;
29 |         }
30 |         $loc_9 = str_replace('^', 0, urldecode($loc_8));
31 |         return $loc_9;
32 |     }
33 | ?>
34 | 


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