百度搜索结果url加密算法 PHP源码

把Python源码改成了PHP版，还在学PHP，因为两种语言有不同，调试了老半天，挖了几个坑，填了几个坑

• 百度搜索结果url加密算法 Python源码
• https://www.262235.xyz/index.php/archives/298/

使用 命令行解释脚本

$ php url.php
www.262235.xyz/index.php/archives/299/ --> 
https://www.baidu.com/link?url=a3f48d30fc293c5e471ef23de092fddc99fdd688685fefb97e96dcc7fd825b7d3c4eabfd798bbe9d68b609937ce2c51147ad0004bc38c1

PHP语言的全局变量要在函数中 global $x, $y, $ascii, $data; 全局申明才能使用

• 重新改了函数版，和 Python就更加象了

<?php
//$ascii码表x,y位置
$ascii = [
    0 => [ ' ', '!', '"', '#', '$', '%', '&', "'", '(', ')', '*', '+', ',', '-', '.', '/' ],
    1 => [ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ':', ';', '<', '=', '>', '?' ],
    2 => [ '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L','M', 'N', 'O'  ],
    3 => [ 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '[', '\',']', '^', '_' ],
    4 => [ '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o' ],
    5 => [ 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '{', '|', '}', '~', ' ' ]
    ];
 
//url第N个位置对应的(x,y)，目前只得到80位的url
$data = [
    [13, 10], [10, 1], [16, 15], [7, 6], [5, 13], [18, 9], [13, 11], [7, 12],
    [10, 5], [15, 9], [15, 9], [13, 5], [16, 11], [0, 1], [8, 2], [8, 5],
    [0, 0], [17, 15], [14, 8], [2, 1], [10, 5], [17, 14], [16, 5], [3, 8],
    [14, 9], [5, 8], [15, 1], [3, 15], [13, 10], [10, 12], [5, 7], [0, 2],
    [18, 14], [0, 15], [1, 6], [13, 5], [2, 1], [15, 14], [18, 8], [18, 9],
    [1, 10], [14, 14], [13, 2], [5, 3], [5, 8], [0, 4], [1, 5], [16, 1],
    [8, 1], [2, 5], [10, 7], [10, 15], [14, 14], [17, 3], [15, 0], [14, 5],
    [7, 7], [3, 4], [14, 8], [12, 0], [13, 12], [12, 3], [6, 5], [3, 1],
    [1, 14], [5, 4], [0, 12], [7, 0], [10, 7], [15, 12], [8, 2], [18, 15],
    [3, 12], [1, 12], [0, 15], [17, 4], [17, 2], [11, 1], [3, 12], [11, 5],
    [0, 13], [1, 1], [2, 12]
    ];

//所有的y值
$y = ['0123456789abcdef', '1032547698badcfe', '23016745ab89efcd', '32107654ba98fedc', 
      '45670123cdef89ab', '54761032dcfe98ba', '67452301efcdab89', '76543210fedcba98', 
      '89abcdef01234567', '98badcfe10325476', 'ab89efcd23016745', 'ba98fedc32107654',
      'cdef89ab45670123', 'dcfe98ba54761032', 'efcdab8967452301', 'fedcba9876543210'];

//所有的x值
$x = ['016745', '107654', '234567', '321076', '325476', '452301', '543210',
      '670123', '765432', '761032', '89abcd', '89efcd', '98fedc', 'abcdef',
      'badcfe', 'cdab89', 'dcba98', 'ef89ab', 'fe98ba' ];

// 测试数组   var_dump($ascii[3]);   print sizeof($data);   var_dump($x);

function encode_url($url){
    global $x, $y, $ascii, $data;
    $mi = '';
    for ($i = 0; $i != strlen($url); $i++){
        $ch = $url[$i];  $f_real_x = -1;  $f_real_y = -1;

        for ($real_x = 0; $real_x != sizeof($ascii); $real_x++){
            $real_y_chs = $ascii[$real_x];

            for($real_y = 0; $real_y != sizeof($real_y_chs); $real_y++){
                $real_y_ch= $real_y_chs[$real_y];
                if ($real_y_ch == $ch){
                    $f_real_x = $real_x;
                    $f_real_y = $real_y;
                }
            }
        }
        if (($f_real_y != -1) && ($f_real_x != -1)) {
            $this_data_x = $x[$data[$i][0]];
            $encode_x = $this_data_x[$f_real_x];
            $mi .= $encode_x;
            $this_data_y = $y[$data[$i][1]];
            $encode_y = $this_data_y[$f_real_y];
            $mi .= $encode_y;
        }
    }
    return  'https://www.baidu.com/link?url=a3f48d30fc293c5e471ef23de092fddc99' . $mi;
}

$url ="www.262235.xyz/index.php/archives/299/";
$t = encode_url($url);
print $url . " --> " . $t;

?>

开始第一版程序 因为不知道函数里使用全局变量，所以循序调试语句

$url ="www.262235.xyz/index.php/archives/298/";
$mi = '';
for ($i = 0; $i != strlen($url); $i++){
    $ch = $url[$i];  $f_real_x = -1;  $f_real_y = -1;

    for ($real_x = 0; $real_x != sizeof($ascii); $real_x++){
        $real_y_chs = $ascii[$real_x];

        for($real_y = 0; $real_y != sizeof($real_y_chs); $real_y++){
            $real_y_ch= $real_y_chs[$real_y];
            if ($real_y_ch == $ch){
                $f_real_x = $real_x;
                $f_real_y = $real_y;
            }
        }
    }
    // 开始卡在了这里  '.和/等标点符号就丢失' 改成了 -1 判断 网上其他版本，不判断无条件执行下面编码语句也行
    if (($f_real_y != -1) && ($f_real_x != -1)) {   
        $this_data_x = $x[$data[$i][0]];
        $encode_x = $this_data_x[$f_real_x];
        $mi .= $encode_x;
        $this_data_y = $y[$data[$i][1]];
        $encode_y = $this_data_y[$f_real_y];
        $mi .= $encode_y;
    }
}

$bdurl =  'https://www.baidu.com/link?url=a3f48d30fc293c5e471ef23de092fddc99' . $mi;
echo $bdurl . " <--> " . "www.262235.xyz/index.php/archives/298/" ;

网上有人贡献版本，同我 Python改php方法一样，只是精简了语句

function baidu($domain='www.abeip.com'){
    global $x, $y, $ascii, $data;

    $domains = str_split($domain);
    $mi='';
    for($i=0;$i<count($domains);$i++){
        $f_real_x ='';  $f_real_y ='';

        for($real_x=0;$real_x<count($ascii);$real_x++){
            $real_y_chs=$ascii[$real_x];

            for($real_y=0;$real_y<count($real_y_chs);$real_y++){
                if($real_y_chs[$real_y]==$domains[$i]){
                    $f_real_x = $real_x ;
                    $f_real_y = $real_y;
    } } }    
    // 这里不判断 $ascii码表x,y 问题其实也不大
    $this_data_x=$x[$data[$i][0]];
    $encode_x = $this_data_x[$f_real_x];

    $this_data_y = $y[$data[$i][1]];
    $encode_y = $this_data_y[$f_real_y];

    $mi = $mi. $encode_x. $encode_y;
    return 'http://www.baidu.com/link?url=a3f48d30fc293c5e471ef23de092fddc99' . $mi;
}

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