<?php

	class InpSession extends Session
	{
		function Init($prefix,$special)
		{
			$this->SessionTimeout = $this->Application->ConfigValue('SessionTimeout');

			$path = (BASE_PATH == '') ? '/' : BASE_PATH;
//			if ( $this->Application->IsAdmin() ) $path = rtrim($path, '/').'/admin';
			$this->SetCookiePath($path);

			$cookie_name = $this->Application->ConfigValue('SessionCookieName');
			if (!$cookie_name) $cookie_name = 'sid';
			if (($this->Application->IsAdmin() && $special !== 'front') || $special == 'admin' ) { //  || $this->Application->GetVar('admin') == 1
				$cookie_name = 'adm_'.$cookie_name;
			}
			$this->SetCookieName($cookie_name);

			$this->SetCookieDomain(SERVER_NAME);

			if( $this->Application->IsAdmin()) { //  && $this->Application->GetVar('admin') != 1
				$mode = smAUTO;
			}
			elseif (constOn('IS_INSTALL')) {
				$mode = smCOOKIES_ONLY;
			}
			else {
				$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;
			}
			$this->SetMode($mode);

			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('GroupId', $this->Application->ConfigValue('User_GuestGroup'));
				$this->SetField('GroupList', $group_list);
			}
		}

		function Destroy()
		{
			$this->Storage->DeleteSession($this);
			$this->Storage->DeleteEditTables();
			$this->Data = new Params();
			$this->SID = '';
			if ($this->CookiesEnabled) $this->SetSessionCookie(); //will remove the cookie due to value (sid) is empty
			$this->SetSession(); //will create a new session
		}

	}

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)
	{
		$res = parent::LocateSession($sid);
		if ($res) {
			$this->Expiration +=  $this->SessionTimeout;
		}
		return $res;
	}

	function UpdateSession(&$session)
	{
		$time = adodb_mktime();
		// Update LastAccessed only if it's newer than 1/10 of session timeout - perfomance optimization to eliminate needless updates on every click
//		if ($time - $this->DirectVars['LastAccessed'] > $this->SessionTimeout/10) {
			$this->SetField($session, $this->TimestampField, $time + $this->SessionTimeout);
//		}
	}


	function StoreSession(&$session, $additional_fields = Array())
	{
		$fields_hash = Array(	'PortalUserId'	=>	$this->Application->IsAdmin() ? 0 : -2, // Guest
								'Language'		=>	$this->Application->GetDefaultLanguageId(),
								'Theme'			=>	$this->Application->GetDefaultThemeId(),
								'IpAddress'		=>	$_SERVER['REMOTE_ADDR'],
								'GroupId'		=>	$this->Application->ConfigValue('User_GuestGroup'),
								'GroupList'		=>	$this->Application->ConfigValue('User_GuestGroup'),
								'CurrentTempKey'=>	$session->SID,
						);

		parent::StoreSession($session, $fields_hash);
	}

	function GetExpiredSIDs()
	{
		$query = ' SELECT '.$this->IDField.' FROM '.$this->TableName.' WHERE  '.$this->TimestampField.' < '.(adodb_mktime());
		$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 = preg_replace('/(.*)_(.*)/', '\\1', $rets[1]); // remove popup's wid from sid
				$is_alive = $this->Conn->GetOne( sprintf($sql,$sid) );
				if(!$is_alive) $this->Conn->Query('DROP TABLE IF EXISTS '.$table);
			}
		}
	}
}

?>