\u5f15\u7528\u5730\u5740\uff1ahttp:\/\/bbs.itokit.com\/thread-4009-1-1.html<\/p>\n
\r\n\/**\r\n*\u7528\u6237\u4fe1\u606f\u52a0\u5bc6\u89e3\u5bc6\u51fd\u6570\r\n*\r\n*\u5f85\u52a0\u5bc6\u5185\u5bb9\u7528\\t\u5206\u5272\r\n*@return String \u52a0\u5bc6\u6216\u89e3\u5bc6\u5b57\u7b26\u4e32\r\n*@param String $string \u5f85\u52a0\u5bc6\u6216\u89e3\u5bc6\u5b57\u7b26\u4e32\r\n*@param String $operation \u64cd\u4f5c\u7c7b\u578b\u5b9a\u4e49 DECODE=\u89e3\u5bc6 ENDODE=\u52a0\u5bc6\r\n*@param String $key \u52a0\u5bc6\u7b97\u5b50\r\n*\/\r\nfunction authcode($string, $operation, $key = '') {\r\n\/**\r\n*\u83b7\u53d6\u5bc6\u7801\u7b97\u5b50,\u5982\u672a\u6307\u5b9a\uff0c\u91c7\u53d6\u7cfb\u7edf\u9ed8\u8ba4\u7b97\u5b50\r\n*\u9ed8\u8ba4\u7b97\u5b50\u662f\u8bba\u575b\u6388\u6743\u7801\u548c\u7528\u6237\u6d4f\u89c8\u5668\u4fe1\u606f\u7684md5\u6563\u5217\u503c\r\n*$GLOBALS['discuz_auth_key']----\u5168\u5c40\u53d8\u91cf\r\n*\u53d6\u503c\u4e3a:md5($_DCACHE['settings']['authkey'].$_SERVER['HTTP_USER_AGENT'])\r\n*$_DCACHE['settings']['authkey']\u662f\u8bba\u575b\u5b89\u88c5\u65f6\u751f\u6210\u768415\u4f4d\u968f\u673a\u5b57\u7b26\u4e32\r\n*\/\r\n $key = md5($key ? $key : $GLOBALS['discuz_auth_key']);\r\n $key_length = strlen($key);\r\n\/**\r\n*\u5982\u679c\u89e3\u5bc6\uff0c\u5148\u5bf9\u5bc6\u6587\u89e3\u7801\r\n*\u5982\u679c\u52a0\u5bc6,\u5c06\u5bc6\u7801\u7b97\u5b50\u548c\u5f85\u52a0\u5bc6\u5b57\u7b26\u4e32\u8fdb\u884cmd5\u8fd0\u7b97\u540e\u53d6\u524d8\u4f4d\r\n*\u5e76\u5c06\u8fd98\u4f4d\u5b57\u7b26\u4e32\u548c\u5f85\u52a0\u5bc6\u5b57\u7b26\u4e32\u8fde\u63a5\u6210\u65b0\u7684\u5f85\u52a0\u5bc6\u5b57\u7b26\u4e32\r\n*\/\r\n $string = $operation == 'DECODE' ? base64_decode($string) : substr(md5($string.$key), 0, 8).$string;\r\n $string_length = strlen($string);\r\n $rndkey = $box = array();\r\n $result = '';\r\n\r\n\/**\r\n*\u521d\u59cb\u5316\u52a0\u5bc6\u53d8\u91cf,$rndkey\u548c$box\r\n*\/\r\n for($i = 0; $i <= 255; $i++) {\r\n $rndkey[$i] = ord($key[$i % $key_length]);\r\n $box[$i] = $i;\r\n }\r\n\r\n\/**\r\n*$box\u6570\u7ec4\u6253\u6563\u4f9b\u52a0\u5bc6\u7528\r\n*\/\r\n for($j = $i = 0; $i < 256; $i++) {\r\n $j = ($j + $box[$i] + $rndkey[$i]) % 256;\r\n $tmp = $box[$i];\r\n $box[$i] = $box[$j];\r\n $box[$j] = $tmp;\r\n }\r\n\r\n\/**\r\n*$box\u7ee7\u7eed\u6253\u6563,\u5e76\u7528\u5f02\u6216\u8fd0\u7b97\u5b9e\u73b0\u52a0\u5bc6\u6216\u89e3\u5bc6\r\n*\/\r\n for($a = $j = $i = 0; $i < $string_length; $i++) {\r\n $a = ($a + 1) % 256;\r\n $j = ($j + $box[$a]) % 256;\r\n $tmp = $box[$a];\r\n $box[$a] = $box[$j];\r\n $box[$j] = $tmp;\r\n $result .= chr(ord($string[$i]) ^ ($box[($box[$a] + $box[$j]) % 256]));\r\n }\r\n if($operation == 'DECODE') {\r\n if(substr($result, 0, 8) == substr(md5(substr($result, 8).$key), 0, 8)) {\r\n return substr($result, 8);\r\n } else {\r\n return '';\r\n }\r\n } else {\r\n return str_replace('=', '', base64_encode($result));\r\n }\r\n\r\n}\r\n\r\n<\/pre>\n\u89e3\u5bc6cookie\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n
\r\n\/\/\u6b64\u5904\u8981\u5305\u542b\u4e0a\u9762\u7684\u51fd\u6570\u4ee3\u7801\r\n\r\n$auth_key=$_DCACHE['settings']['authkey']; \/\/\u6b64\u503c\u4e5f\u53ef\u4ee5\u4ececdb_settings\u8868\u4e2d\u67e5\u5230\uff0c\u5373authkey\u5bf9\u5e94\u7684\u503c\r\n$key=md5($auth_key.$_SERVER['HTTP_USER_AGENT']);\r\n$result=authcode($_COOKIE['Fbw_auth'], 'DECODE', $key);\/\/$_COOKIE['Fbw_auth']\u662f\u5f53\u524d\u7528\u6237\u767b\u5f55\u540e\u7684cookie\u503c\r\n\r\necho $_COOKIE['Fbw_auth'];\r\necho \"
\";\r\necho $result;\r\n<\/pre>\n\u8f93\u51fa\u7684\u7ed3\u679c\u683c\u5f0f\u662f\u201ce10adc3949ba59abbe56e057f20f883e 2\u201d\uff0c\u5206\u522b\u662f\u7528\u6237\u52a0\u5bc6\u540e\u7684\u5bc6\u7801\u548cID\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f15\u7528\u5730\u5740\uff1ahttp:\/\/bbs.itokit.com\/thread-4009-1-1.html \/** *\u7528\u6237\u4fe1\u606f\u52a0\u5bc6\u89e3\u5bc6\u51fd\u6570 * *\u5f85\u52a0\u5bc6\u5185\u5bb9\u7528\\t\u5206\u5272 *@return String \u52a0\u5bc6\u6216\u89e3\u5bc6\u5b57\u7b26\u4e32 *@param String $string \u5f85\u52a0\u5bc6\u6216\u89e3\u5bc6\u5b57\u7b26\u4e32 *@param String $operation \u64cd\u4f5c\u7c7b\u578b\u5b9a\u4e49 DECODE=\u89e3\u5bc6 ENDODE=\u52a0\u5bc6 *@param String $key \u52a0\u5bc6\u7b97\u5b50 *\/ function authcode($string, $operation, $key = ”) { \/** *\u83b7\u53d6\u5bc6\u7801\u7b97\u5b50,\u5982\u672a\u6307\u5b9a\uff0c\u91c7\u53d6\u7cfb\u7edf\u9ed8\u8ba4\u7b97\u5b50 *\u9ed8\u8ba4\u7b97\u5b50\u662f\u8bba\u575b\u6388\u6743\u7801\u548c\u7528\u6237\u6d4f\u89c8\u5668\u4fe1\u606f\u7684md5\u6563\u5217\u503c *$GLOBALS[‘discuz_auth_key’]—-\u5168\u5c40\u53d8\u91cf *\u53d6\u503c\u4e3a:md5($_DCACHE[‘settings’][‘authkey’].$_SERVER[‘HTTP_USER_AGENT’]) *$_DCACHE[‘settings’][‘authkey’]\u662f\u8bba\u575b\u5b89\u88c5\u65f6\u751f\u6210\u768415\u4f4d\u968f\u673a\u5b57\u7b26\u4e32 *\/ $key = md5($key … \u7ee7\u7eed\u9605\u8bfb