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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
* FedoraClient is a PHP class to interact with web services
*
* PHP version 5
*
* Copyright (C) 2010 Remi Collet
* http://github.com/remicollet/rpmphp.
*
* Inspired from python-fedora
*
* FedoraClient is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FedoraClient 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
* Lesser General Public License for more details.
*
* See <http://www.gnu.org/licenses/>
*
* @category Main
* @package FedoraClient
*
* @author Remi Collet <unknown@unknwown.com>
* @author Johan Cwiklinski <johan@x-tnd.be>
* @copyright 2010 Remi Collet
* @license http://www.gnu.org/licenses/lgpl-2.1.txt LGPL License 2.1 or (at your option) any later version
* @link http://github.com/remicollet/rpmphp/
* @since The begining of times.
*/
if (!function_exists('curl_version')) {
die("curl extension required\n");
}
require_once 'Cache/Lite.php';
abstract class FedoraClient
{
const VERSION='0.1.0-dev';
protected $url;
private $_agent;
private $_debug = 0;
protected $cache;
function __construct ($url, array $options)
{
$dir = "/tmp/cachelite-".posix_getlogin()."/";
@mkdir($dir);
$this->cache = new Cache_Lite(
array(
'memoryCaching' => true,
'cacheDir' => $dir,
'automaticSerialization' => true
)
);
$this->url = $url;
if (isset($options['agent']) && !empty($options['agent'])) {
$this->_agent = $options['agent'];
} else {
$this->_agent = 'Fedora PHPClient/'.self::VERSION;
}
if (isset($options['debug']) && intval($options['debug'])>0) {
$this->_debug = intval($options['debug']);
}
$this->logDebug(
3,
__CLASS__."::".__FUNCTION__.": url='$url', agent='".$this->_agent."'"
);
}
function logDebug($level, $msg)
{
if ($this->_debug>=$level) {
echo "[debug][$level] $msg\n";
}
}
function sendRequest($method, array $options=array())
{
$curl = curl_init();
// And join to make our url.
$url = $this->url.$method;
curl_setopt($curl, CURLOPT_URL, $url);
// Boilerplate so pycurl processes cookies
curl_setopt($curl, CURLOPT_COOKIEFILE, '/dev/null');
//# Associate with the response to accumulate data
$this->data='';
curl_setopt($curl, CURLOPT_WRITEFUNCTION, array($this, 'receive'));
// Follow redirect
curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($curl, CURLOPT_MAXREDIRS, 5);
// Set standard headers
curl_setopt(
$curl,
CURLOPT_HTTPHEADER,
array('User-agent: '.$this->_agent, 'Accept: application/json')
);
// run the request
$this->logDebug(
2,
__CLASS__."::".__FUNCTION__.": call '$url'"
);
curl_exec($curl);
// Check for auth failures
// Note: old TG apps returned 403 Forbidden on authentication failures.
// Updated apps return 401 Unauthorized
// We need to accept both until all apps are updated to return 401.
$http_status = curl_getinfo($curl, CURLINFO_HTTP_CODE);
if ($http_status==401 || $http_status==403) {
$this->logDebug(
1,
__CLASS__."::".__FUNCTION__.
": http_status '$http_status' Authentication failed logging in"
);
return array();
} else if ($http_status>=400) {
$this->logDebug(
1,
__CLASS__."::".__FUNCTION__.
": http_status '$http_status' Unknown HTTP Server Response"
);
return array();
} else {
$this->logDebug(
2,
__CLASS__."::".__FUNCTION__.": http_status '$http_status'"
);
}
$this->logDebug(
2,
__CLASS__."::".__FUNCTION__.": close connexion"
);
curl_close($curl);
return json_decode($this->data, true);
}
function receive($curl, $data)
{
$this->logDebug(
9,
__CLASS__."::".__FUNCTION__.": $data"
);
$this->data .= $data;
return strlen($data);
}
}
?>
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