<?php

	class InpSession extends Session 
	{
		function Init($prefix,$special)
		{
			$this->SessionTimeout = $this->Application->ConfigValue('SessionTimeout');
			if (BASE_PATH == '') {
				$path = '/';
			}
			else {
				$path = BASE_PATH;
			}
			if ( defined('ADMIN') && ADMIN )
			{
				$path = rtrim($path, '/');
				$path .= '/admin';
			}
			$this->SetCookiePath( $path );
			$ses_mode = $this->Application->ConfigValue('CookieSessions');
			if ($ses_mode == 2) $mode = smAUTO;
			if ($ses_mode == 1) $mode = smCOOKIES_ONLY;
			if ($ses_mode == 0) $mode = smGET_ONLY;
			if ( defined('ADMIN') && ADMIN ) $mode = smAUTO;
			$this->SetMode($mode);
			$this->SetCookieDomain(SERVER_NAME);
			parent::Init($prefix,$special);

			if( !$this->Application->IsAdmin() && $this->GetField('PortalUserId') <= 0 )
			{
				$group_list = $this->Application->ConfigValue('User_GuestGroup').','.$this->Application->ConfigValue('User_LoggedInGroup');
				$this->SetField('GroupList', $group_list);
			}
		}
	}

class InpSessionStorage extends SessionStorage {

	function Init($prefix,$special)
	{
		parent::Init($prefix,$special);
		$this->setTableName(TABLE_PREFIX.'UserSession');
		$this->SessionDataTable = TABLE_PREFIX.'SessionData';
		$this->setIDField('SessionKey');
		$this->TimestampField = 'LastAccessed';
		$this->DataValueField = 'VariableValue';
		$this->DataVarField = 'VariableName';
	}

	function LocateSession($sid)
	{
		$query = ' SELECT '.$this->TimestampField.' FROM '.$this->TableName.' WHERE '.$this->IDField.' = '.$this->Conn->qstr($sid);
		$result = $this->Conn->GetOne($query);

		if($result===false) return false;

		$this->Expiration = $result + $this->SessionTimeout;
		return true;
	}

	function UpdateSession(&$session)
	{
		$query = ' UPDATE '.$this->TableName.' SET '.$this->TimestampField.' = unix_timestamp() WHERE '.$this->IDField.' = '.$this->Conn->qstr($session->SID);
		$this->Conn->Query($query);
	}


	function StoreSession(&$session)
	{
		parent::StoreSession($session);
		$this->SetField($session, 'IpAddress', $_SERVER['REMOTE_ADDR']);
		$this->SetField($session, 'GroupList', $this->Application->ConfigValue('User_GuestGroup'));
	}

	function GetExpiredSIDs()
	{
		$query = ' SELECT '.$this->IDField.' FROM '.$this->TableName.' WHERE '.time().' - '.$this->TimestampField.' > '.$this->SessionTimeout;
		$ret = $this->Conn->GetCol($query);
		if($ret) $this->DeleteEditTables();
		return $ret;

	}

	function DeleteEditTables()
	{
		$tables = $this->Conn->GetCol('SHOW TABLES');
		$mask_edit_table = '/'.TABLE_PREFIX.'ses_(.*)_edit_(.*)/';
		$mask_search_table = '/'.TABLE_PREFIX.'ses_(.*)_(.*)/';

		$sql='SELECT COUNT(*) FROM '.$this->TableName.' WHERE '.$this->IDField.' = \'%s\'';
		foreach($tables as $table)
		{
			if( preg_match($mask_edit_table,$table,$rets) || preg_match($mask_search_table,$table,$rets) )
			{
				$sid=$rets[1];
				$is_alive = $this->Conn->GetOne( sprintf($sql,$sid) );
				if(!$is_alive) $this->Conn->Query('DROP TABLE IF EXISTS '.$table);
			}
		}
	}
}

?>