[其他类别]整合discuz6.0的php的class_cls_discuz.rar

<?php if(!defined('IN_PDAFANS')){ exit('Access Denied'); } class cls_discuz { var $cookiepre = 'cdb_'; // cookie 前缀 var $cookiedomain = '.pdafans.com'; // cookie 作用域 var $cookiepath = '/'; // cookie 作用路径 var $tablepre = 'cdb_'; // 整合discuz论坛 数据库表名默认前缀为'cdb_'; var $onlinehold = 1800; // 在线保持时间 var $auth_key=''; var $sid; var $auth_values; var $sessionexists=0; function __construct($cookiepre,$cookiedomain,$cookiepath,$tablepre,$onlinehold) { $this->cls_discuz($cookiepre,$cookiedomain,$cookiepath,$tablepre,$onlinehold); } function cls_discuz($cookiepre,$cookiedomain,$cookiepath,$tablepre,$onlinehold) { $this->cookiepre=$cookiepre; $this->cookiedomain=$cookiemain; $this->tablepre=$tablepre; $this->onlinehold=$onlinehold $this->set_auth_key(); } function set_auth_key() { $result=mysql_query("SELECT value FROM cdb_settings WHERE variable='authkey'"); $row=mysql_fetch_array($result); $authkey=$row['value']; mysql_free_result($result); $this->$auth_key = md5($authkey.$_SERVER['HTTP_USER_AGENT']); } function set_sid() { $this->sid = pdafans_daddslashes( isset($_COOKIE[$this->cookiepre.'sid']) ? $_COOKIE[$this->cookiepre.'sid'] : ''); if($this->sid) { $this->sessionexists=1; } else { $this->sessionexists=0; $this->sid = $this->rand_code(6); } if(empty($_COOKIE[$this->cookiepre.'sid']) || $this->sid != $_COOKIE[$this->cookiepre.'sid']) { set_cookie('sid', $this->sid, 604800); } } function get_sid() { if($this->sid) { return $this->sid; } else { $this->set_sid(); return $this->sid; } } function discuz_login($password,$secques,$uid,$type='ENCODE') { $this->auth_values=$this->discuz6_code("$password\t$secques\t$uid", $type); set_cookie('auth', $this->auth_values, 604800); } function discuz_logout() { clear_cookies(); } function update_session() { global $timestamp,$onlineip,$pdafans_dev_uid, $pdafans_dev_username, $seccode,$groupid; if($this->sid) { $query=mysql_query("SELECT sid FROM {$this->tablepre}sessions WHERE sid='$this->sid'"); if(mysql_num_rows($query)){ $row=mysql_fetch_array($query); $this->sid=$row['sid']; $sessexist=empty($this->sid) ? 0 : 1 ; } if($sessexist == 1) { mysql_query("UPDATE {$tablepre}sessions SET uid='$pdafans_dev_uid', username='$pdafans_dev_username', groupid='$groupid',lastactivity='$timestamp', lastolupdate='$timestamp', seccode='$seccode' WHERE sid='$this->sid'") or die('update error!'); } else { $ips = explode('.', $onlineip); mysql_query("DELETE FROM {$tablepre}sessions WHERE sid='$this->sid' OR lastactivity<($timestamp-$this->onlinehold) OR ('$pdafans_dev_uid'<>'0' AND uid='$pdafans_dev_uid') OR (uid='0' AND ip1='$ips[0]' AND ip2='$ips[1]' AND ip3='$ips[2]' AND ip4='$ips[3]' AND lastactivity>$timestamp-60)"); mysql_query("INSERT INTO {$tablepre}sessions (sid, ip1, ip2, ip3, ip4, uid, username, groupid, lastactivity, lastolupdate, seccode) VALUES ('$this->sid', '$ips[0]', '$ips[1]', '$ips[2]', '$ips[3]', '$pdafans_dev_uid', '$pdafans_dev_username', '$groupid', '$timestamp', '$timestamp', '$seccode')"); } } } function rand_code($length, $numeric = 0) { PHP_VERSION < '4.2.0' && mt_srand((double)microtime() * 1000000); if($numeric) { $hash = sprintf('%0'.$length.'d', mt_rand(0, pow(10, $length) - 1)); } else { $hash = ''; $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz'; $max = strlen($chars) - 1; for($i = 0; $i < $length; $i++) { $hash .= $chars[mt_rand(0, $max)]; } } return $hash; } //加密安全问题函数 function pdafans_quescrypt($questionid, $answer) { return $questionid > 0 && $answer != '' ? substr(md5($answer.md5($questionid)), 16, 8) : ''; } function discuz6_code($string, $operation, $key = ''){ $key = md5($key ? $key : $this->auth_key); $key_length = strlen($key); $string = $operation == 'DECODE' ? base64_decode($string) : substr(md5($string.$key), 0, 8).$string; $string_length = strlen($string); $rndkey = $box = array(); $result = ''; for($i = 0; $i <= 255; $i++) { $rndkey[$i] = ord($key[$i % $key_length]); $box[$i] = $i; } for($j = $i = 0; $i < 256; $i++) { $j = ($j + $box[$i] + $rndkey[$i]) % 256; $tmp = $box[$i]; $box[$i] = $box[$j]; $box[$j] = $tmp; } for($a = $j = $i = 0; $i < $string_length; $i++) { $a = ($a + 1) % 256; $j = ($j + $box[$a]) % 256; $tmp = $box[$a]; $box[$a] = $box[$j]; $box[$j] = $tmp; $result .= chr(ord($string[$i]) ^ ($box[($box[$a] + $box[$j]) % 256])); } if($operation == 'DECODE') { if(substr($result, 0, 8) == substr(md5(substr($result, 8).$key), 0, 8)) { return substr($result, 8); } else { return ''; } } else { return str_replace('=', '', base64_encode($result)); } } } ?>