SourceFile.php
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SourceFile.php
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	<?php

	/**
	* This file is part of the Kolab Server Free/Busy Service
	*
	* @author Thomas Bruederli <bruederli@kolabsys.com>
	*
	* Copyright (C) 2013, Kolab Systems AG <contact@kolabsys.com>
	*
	* This program is free software: you can redistribute it and/or modify
	* it under the terms of the GNU Affero General Public License as
	* published by the Free Software Foundation, either version 3 of the
	* License, or (at your option) any later version.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU Affero General Public License for more details.
	*
	* You should have received a copy of the GNU Affero General Public License
	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	*/

	namespace Kolab\FreeBusy;

	/**
	* Implementation of a Free/Busy data source reading from the local file system
	*/
	class SourceFile extends Source
	{
	/**
	* @see Source::getFreeBusyData()
	*/
	public function getFreeBusyData($user, $extended)
	{
	// get source config with placeholders replaced
	$config = $this->getUserConfig($user);

	// deliver file contents if found
	if (is_readable($config['path'])) {
	// check expiration if configured
	if (empty($this->config['expires']) \|\| filemtime($config['path']) + Utils::getOffsetSec($this->config['expires']) > time()) {
	return file_get_contents($config['path']);
	}
	}

	// not found
	return false;
	}
	}