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SourceURL.php
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SourceURL.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 remote URLs through HTTP
*/
class SourceURL extends Source
{
/**
* @see Source::getFreeBusyData()
*/
public function getFreeBusyData($user, $extended)
{
$config = $this->getUserConfig($user);
// prepare HTTP stream context
$context = stream_context_create(array(
'http' => array(
'user_agent' => "Kolab Free-Busy Service/0.1.0",
'timeout' => 10,
),
));
// set HTTP auth credentials
if (!empty($config['user'])) {
stream_context_set_option($context, array(
'http' => array(
'header' => "Authorization: Basic " . base64_encode($config['user'] . ':' . $config['pass']) . "\r\n",
),
));
$config['url'] = self::composeUrl($config); // re-compose url without user:pass
}
$data = @file_get_contents($config['url'], false, $context);
// log this...
Logger::get('url')->addInfo("Fetching data from " . $config['url'] . ": " . ($data ? 'OK' : 'FAILED'));
return $data;
}
/**
* Compose a full url from the given config (previously extracted with parse_url())
*/
private static function composeUrl($config)
{
$scheme = isset($config['scheme']) ? $config['scheme'] . '://' : '';
$host = isset($config['host']) ? $config['host'] : '';
$port = isset($config['port']) ? ':' . $config['port'] : '';
$path = isset($config['path']) ? $config['path'] : '';
$query = isset($config['query']) ? '?' . $config['query'] : '';
return $scheme . $host . $port . $path . $query;
}
}

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SourceURL.php (2 KB)

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