user.php

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<?php

/*
    [UCenter] (C)2001-2008 Comsenz Inc.
    This is NOT a freeware, use is subject to license terms

    $Id: user.php 12126 2008-01-11 09:40:32Z heyond $
*/

!defined('IN_UC') && exit('Access Denied');

class usermodel {

    var $db;
    var $base;

    function usermodel(&$base) {
        $this->base = $base;
        $this->db = $base->db;
    }

    function get_user_by_uid($uid) {
        $arr = $this->db->fetch_first("SELECT * FROM ".UC_DBTABLEPRE."members WHERE uid='$uid'");
        return $arr;
    }

    function get_user_by_username($username) {
        $arr = $this->db->fetch_first("SELECT * FROM ".UC_DBTABLEPRE."members WHERE username='$username'");
        return $arr;
    }

    function check_username($username) {
        $guestexp = '\xA1\xA1|\xAC\xA3|^Guest|^\xD3\xCE\xBF\xCD|\xB9\x43\xAB\xC8';
        $len = strlen($username);
        if($len > 15 || $len < 3 || preg_match("/\s+|^c:\\con\\con|[%,\*\"\s\<\>\&]|$guestexp/is", $username)) {
            return FALSE;
        } else {
            return TRUE;
        }
    }

    function check_mergeuser($username) {
        $data = $this->db->result_first("SELECT count(*) FROM ".UC_DBTABLEPRE."mergemembers WHERE appid='".UC_APPID."' AND username='$username'");
        return $data;
    }

    function check_usernamecensor($username) {
        $_CACHE = $this->base->cache('badwords');
        $censorusername = $this->base->get_setting('censorusername');
        $censorusername = $censorusername['censorusername'];
        $censorexp = '/^('.str_replace(array('\\*', "\r\n", ' '), array('.*', '|', ''), preg_quote(($censorusername = trim($censorusername)), '/')).')$/i';
        $usernamereplaced = $_CACHE['badwords']['findpattern'] ? @preg_replace($_CACHE['badwords']['findpattern'], $_CACHE['badwords']['replace'], $username) : $username;
        if(($usernamereplaced != $username) || ($censorusername && preg_match($censorexp, $username))) {
            return FALSE;
        } else {
            return TRUE;
        }
    }

    function check_usernameexists($username) {
        $data = $this->db->result_first("SELECT username FROM ".UC_DBTABLEPRE."members WHERE username='$username'");
        return $data;
    }

    function check_emailformat($email) {
        return strlen($email) > 6 && preg_match("/^[\w\-\.]+@[\w\-\.]+(\.\w+)+$/", $email);
    }

    function check_emailaccess($email) {
        $setting = $this->base->get_setting(array('accessemail', 'censoremail'));
        $accessemail = $setting['accessemail'];
        $censoremail = $setting['censoremail'];
        $accessexp = '/('.str_replace("\r\n", '|', preg_quote(trim($accessemail), '/')).')$/i';
        $censorexp = '/('.str_replace("\r\n", '|', preg_quote(trim($censoremail), '/')).')$/i';
        if($accessemail || $censoremail) {
            if(($accessemail && !preg_match($accessexp, $email)) || ($censoremail && preg_match($censorexp, $email))) {
                return FALSE;
            } else {
                return TRUE;
            }
        } else {
            return TRUE;
        }
    }

    function check_emailexists($email) {
        $email = $this->db->result_first("SELECT email FROM  ".UC_DBTABLEPRE."members WHERE email='$email'");
        return $email;
    }

    function check_login($username, $password, &$user) {
        $user = $this->get_user_by_username($username);
        if(empty($user['username'])) {
            return -1;
        } elseif($user['password'] != md5(md5($password).$user['salt'])) {
            return -2;
        }
        return $user['uid'];
    }

    function add_user($username, $password, $email, $uid = 0) {
        $salt = substr(uniqid(rand()), -6);
        $password = md5(md5($password).$salt);
        $sqladd = $uid ? 'uid=\''.intval($uid).'\',' : '';
        //$appid = UC_APPID;
        $this->db->query("INSERT INTO ".UC_DBTABLEPRE."members SET $sqladd username='$username', password='$password', email='$email', regip='".$this->base->onlineip."', regdate='".$this->base->time."', salt='$salt'");
        $uid = $this->db->insert_id();
        $this->db->query("INSERT INTO ".UC_DBTABLEPRE."memberfields SET uid='$uid'");
        return $uid;
    }

    function edit_user($username, $oldpw, $newpw, $email, $ignoreoldpw = 0) {
        $data = $this->db->fetch_first("SELECT username, uid, password, salt FROM ".UC_DBTABLEPRE."members WHERE username='$username'");

        if($ignoreoldpw) {
            $isprotected = $this->db->result_first("SELECT COUNT(*) FROM ".UC_DBTABLEPRE."protectedmembers WHERE uid = '$data[uid]'");
            if($isprotected) {
                return -8;
            }
        }

        if(!$ignoreoldpw && $data['password'] != md5(md5($oldpw).$data['salt'])) {
            return -1;
        }

        $sqladd = $newpw ? "password='".md5(md5($newpw).$data['salt'])."'" : '';
        $sqladd .= $email ? ($sqladd ? ',' : '')." email='$email'" : '';
        if($sqladd || $emailadd) {
            $this->db->query("UPDATE ".UC_DBTABLEPRE."members SET $sqladd WHERE username='$username'");
            return $this->db->affected_rows();
        } else {
            return -7;
        }
    }

    function delete_user($uidsarr) {
        $uidsarr = (array)$uidsarr;
        $uids = $this->base->implode($uidsarr);
        $arr = $this->db->fetch_all("SELECT uid FROM ".UC_DBTABLEPRE."protectedmembers WHERE uid IN ($uids)");
        $puids = array();
        foreach((array)$arr as $member) {
            $puids[] = $member['uid'];
        }
        $uids = $this->base->implode(array_diff($uidsarr, $puids));
        if($uids) {
            $this->db->query("DELETE FROM ".UC_DBTABLEPRE."members WHERE uid IN($uids)");
            $this->db->query("DELETE FROM ".UC_DBTABLEPRE."memberfields WHERE uid IN($uids)");
            $this->base->load('note');
            $_ENV['note']->add('deleteuser', "ids=$uids");
            return $this->db->affected_rows();
        } else {
            return 0;
        }
    }

    function get_total_num($sqladd = '') {
             $data = $this->db->result_first("SELECT COUNT(*) FROM ".UC_DBTABLEPRE."members $sqladd");
        return $data;
    }

    function get_list($page, $ppp, $totalnum, $sqladd) {
        $start = $this->base->page_get_start($page, $ppp, $totalnum);
        $data = $this->db->fetch_all("SELECT * FROM ".UC_DBTABLEPRE."members $sqladd LIMIT $start, $ppp");
        return $data;
    }

    function name2id($usernamesarr) {
        $usernamesarr = uc_addslashes($usernamesarr, 1, TRUE);
        $usernames = $this->base->implode($usernamesarr);
        $query = $this->db->query("SELECT uid FROM ".UC_DBTABLEPRE."members WHERE username IN($usernames)");
        $arr = array();
        while($user = $this->db->fetch_array($query)) {
            $arr[] = $user['uid'];
        }
        return $arr;
    }

}

?>