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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Moodle XML-RPC library
*
* @package webservice_xmlrpc
* @copyright 2009 Jerome Mouneyrac
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
/**
* Moodle XML-RPC client
*
* It has been implemented for unit testing purpose (all protocols have similar client)
*
* @package webservice_xmlrpc
* @copyright 2010 Jerome Mouneyrac
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class webservice_xmlrpc_client {
/** @var moodle_url The XML-RPC server url. */
protected $serverurl;
/** @var string The token for the XML-RPC call. */
protected $token;
/**
* Constructor
*
* @param string $serverurl a Moodle URL
* @param string $token the token used to do the web service call
*/
public function __construct($serverurl, $token) {
$this->serverurl = new moodle_url($serverurl);
$this->token = $token;
}
/**
* Set the token used to do the XML-RPC call
*
* @param string $token the token used to do the web service call
*/
public function set_token($token) {
$this->token = $token;
}
/**
* Execute client WS request with token authentication
*
* @param string $functionname the function name
* @param array $params An associative array containing the the parameters of the function being called.
* @return mixed The decoded XML RPC response.
* @throws moodle_exception
*/
public function call($functionname, $params = array()) {
if ($this->token) {
$this->serverurl->param('wstoken', $this->token);
}
// Set output options.
$outputoptions = array(
'encoding' => 'utf-8'
);
// Encode the request.
// See MDL-53962 - needed for backwards compatibility on <= 3.0
$params = array_values($params);
$request = xmlrpc_encode_request($functionname, $params, $outputoptions);
// Set the headers.
$headers = array(
'Content-Length' => strlen($request),
'Content-Type' => 'text/xml; charset=utf-8',
'Host' => $this->serverurl->get_host(),
'User-Agent' => 'Moodle XML-RPC Client/1.0',
);
// Get the response.
$response = download_file_content($this->serverurl, $headers, $request);
// Decode the response.
$result = xmlrpc_decode($response);
if (is_array($result) && xmlrpc_is_fault($result)) {
throw new Exception($result['faultString'], $result['faultCode']);
}
return $result;
}
}