mirror of https://gitee.com/karson/fastadmin.git
99 lines
2.5 KiB
PHP
99 lines
2.5 KiB
PHP
<?php
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function _uc_authcode($string, $operation = 'DECODE', $key = '', $expiry = 0)
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{
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$ckey_length = 4;
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$key = md5($key ? $key : UC_KEY);
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$keya = md5(substr($key, 0, 16));
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$keyb = md5(substr($key, 16, 16));
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$keyc = $ckey_length ? ($operation == 'DECODE' ? substr($string, 0, $ckey_length) : substr(md5(microtime()), -$ckey_length)) : '';
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$cryptkey = $keya . md5($keya . $keyc);
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$key_length = strlen($cryptkey);
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$string = $operation == 'DECODE' ? base64_decode(substr($string, $ckey_length)) : sprintf('%010d', $expiry ? $expiry + time() : 0) . substr(md5($string . $keyb), 0, 16) . $string;
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$string_length = strlen($string);
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$result = '';
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$box = range(0, 255);
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$rndkey = array();
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for ($i = 0; $i <= 255; $i++)
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{
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$rndkey[$i] = ord($cryptkey[$i % $key_length]);
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}
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for ($j = $i = 0; $i < 256; $i++)
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{
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$j = ($j + $box[$i] + $rndkey[$i]) % 256;
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$tmp = $box[$i];
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$box[$i] = $box[$j];
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$box[$j] = $tmp;
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}
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for ($a = $j = $i = 0; $i < $string_length; $i++)
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{
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$a = ($a + 1) % 256;
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$j = ($j + $box[$a]) % 256;
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$tmp = $box[$a];
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$box[$a] = $box[$j];
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$box[$j] = $tmp;
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$result .= chr(ord($string[$i]) ^ ($box[($box[$a] + $box[$j]) % 256]));
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}
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if ($operation == 'DECODE')
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{
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if ((substr($result, 0, 10) == 0 || substr($result, 0, 10) - time() > 0) && substr($result, 10, 16) == substr(md5(substr($result, 26) . $keyb), 0, 16))
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{
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return substr($result, 26);
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}
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else
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{
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return '';
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}
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}
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else
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{
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return $keyc . str_replace('=', '', base64_encode($result));
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}
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}
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function _uc_stripslashes($string)
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{
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if (is_array($string))
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{
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foreach ($string as $key => $val)
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{
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$string[$key] = _stripslashes($val);
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}
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}
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else
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{
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$string = stripslashes($string);
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}
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return $string;
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}
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/**
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* 字符串命名风格转换
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* type 0 将Java风格转换为C的风格 1 将C风格转换为Java的风格
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* @param string $name 字符串
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* @param integer $type 转换类型
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* @return string
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*/
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function parse_name($name, $type = 0)
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{
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if ($type)
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{
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return ucfirst(preg_replace_callback('/_([a-zA-Z])/', function($match)
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{
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return strtoupper($match[1]);
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}, $name));
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}
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else
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{
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return strtolower(trim(preg_replace("/[A-Z]/", "_\\0", $name), "_"));
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}
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}
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