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<?php |
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/** |
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* XOOPS Kernel Class |
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* |
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* You may not change or alter any portion of this comment or credits |
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* of supporting developers from this source code or any supporting source code |
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* which is considered copyrighted (c) material of the original comment or credit authors. |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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* |
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* @copyright (c) 2000-2016 XOOPS Project (www.xoops.org) |
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* @license GNU GPL 2 (https://www.gnu.org/licenses/gpl-2.0.html) |
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* @package kernel |
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* @since 2.0.0 |
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* @author Kazumi Ono (AKA onokazu) http://www.myweb.ne.jp/, http://jp.xoops.org/ |
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*/ |
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defined('XOOPS_ROOT_PATH') || exit('Restricted access'); |
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/** |
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* A handler for "Who is Online?" information |
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* |
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* @package kernel |
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* |
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* @author Kazumi Ono <[email protected]> |
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* @copyright (c) 2000-2016 XOOPS Project (www.xoops.org) |
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*/ |
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class XoopsOnlineHandler |
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{ |
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/** |
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* Database connection |
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* |
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* @var object |
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* @access private |
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*/ |
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public $db; |
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/** |
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* This should be here, since this really should be a XoopsPersistableObjectHandler |
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* Here, we fake it for future compatibility |
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* |
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* @var string table name |
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*/ |
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public $table; |
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/** |
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* Constructor |
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* |
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* @param XoopsDatabase $db {@link XoopsHandlerFactory} |
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*/ |
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public function __construct(XoopsDatabase $db) |
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{ |
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$this->db = $db; |
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$this->table = $this->db->prefix('online'); |
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} |
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/** |
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* Write online information to the database |
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* |
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* @param int $uid UID of the active user |
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* @param string $uname Username |
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* @param int $time Timestamp |
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* @param int $module Current module id |
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* @param string $ip User's IP address |
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* |
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* @internal param string $timestamp |
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* @return bool TRUE on success |
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*/ |
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public function write($uid, $uname, $time, $module, $ip) |
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{ |
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$uid = (int) $uid; |
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$uname = $this->db->quote($uname); |
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$time = (int) $time; |
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$module = (int) $module; |
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$ip = $this->db->quote($ip); |
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if ($uid > 0) { |
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$sql = 'SELECT COUNT(*) FROM ' . $this->db->prefix('online') . " WHERE online_uid={$uid}"; |
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} else { |
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$sql = 'SELECT COUNT(*) FROM ' . $this->db->prefix('online') |
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. " WHERE online_uid={$uid} AND online_ip={$ip}"; |
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} |
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list($count) = $this->db->fetchRow($this->db->queryF($sql)); |
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if ($count > 0) { |
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$sql = 'UPDATE ' . $this->db->prefix('online') |
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. " SET online_updated = {$time}, online_module = {$module} WHERE online_uid = {$uid}"; |
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if ($uid === 0) { |
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$sql .= " AND online_ip={$ip}"; |
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} |
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} else { |
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if ($uid != 0) { |
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// this condition (no entry for a real user) exists when a user first signs in |
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// first, cleanup the uid == 0 row the user generated before signing in |
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$loginSql = sprintf('DELETE FROM %s WHERE online_uid = 0 AND online_ip=%s', $this->db->prefix('online'), $ip); |
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$this->db->queryF($loginSql); |
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} |
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$sql = sprintf( |
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'INSERT INTO %s (online_uid, online_uname, online_updated, online_ip, online_module)' |
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. ' VALUES (%u, %s, %u, %s, %u)', |
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$this->db->prefix('online'), |
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$uid, |
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$uname, |
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$time, |
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$ip, |
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$module |
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); |
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} |
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if (!$this->db->queryF($sql)) { |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Delete online information for a user |
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* |
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* @param int $uid UID |
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* |
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* @return bool TRUE on success |
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*/ |
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public function destroy($uid) |
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{ |
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$sql = sprintf('DELETE FROM %s WHERE online_uid = %u', $this->db->prefix('online'), $uid); |
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if (!$result = $this->db->queryF($sql)) { |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Garbage Collection |
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* |
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* Delete all online information that has not been updated for a certain time |
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* |
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* @param int $expire Expiration time in seconds |
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*/ |
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public function gc($expire) |
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{ |
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$sql = sprintf( |
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'DELETE FROM %s WHERE online_updated < %u', |
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$this->db->prefix('online'), |
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time() - (int)$expire |
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); |
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$this->db->queryF($sql); |
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} |
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/** |
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* Get an array of online information |
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* |
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* @param CriteriaElement|CriteriaCompo $criteria {@link CriteriaElement} |
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* @return array Array of associative arrays of online information |
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*/ |
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public function getAll(CriteriaElement $criteria = null) |
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{ |
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$ret = array(); |
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$limit = $start = 0; |
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$sql = 'SELECT * FROM ' . $this->db->prefix('online'); |
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if (is_object($criteria) && is_subclass_of($criteria, 'CriteriaElement')) { |
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$sql .= ' ' . $criteria->renderWhere(); |
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$limit = $criteria->getLimit(); |
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$start = $criteria->getStart(); |
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} |
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$result = $this->db->query($sql, $limit, $start); |
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if (!$result) { |
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return false; |
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} |
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while (false !== ($myrow = $this->db->fetchArray($result))) { |
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$ret[] = $myrow; |
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unset($myrow); |
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} |
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return $ret; |
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} |
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/** |
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* Count the number of online users |
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* |
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* @param CriteriaElement|CriteriaCompo $criteria {@link CriteriaElement} |
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* |
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* @return bool |
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*/ |
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public function getCount(CriteriaElement $criteria = null) |
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{ |
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$sql = 'SELECT COUNT(*) FROM ' . $this->db->prefix('online'); |
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if (is_object($criteria) && is_subclass_of($criteria, 'CriteriaElement')) { |
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$sql .= ' ' . $criteria->renderWhere(); |
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} |
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if (!$result = $this->db->query($sql)) { |
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return false; |
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} |
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list($ret) = $this->db->fetchRow($result); |
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return $ret; |
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} |
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} |
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geekwright /
XoopsCore25
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