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Current File : /home/juvelize/martine/administrator/components/com_jhackguard/jsonrpc.php

<?php
/**
 * @version     2.0.0
 * @package     com_jhackguard
 * @copyright   Copyright (C) 2013. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 * @author      Valeri Markov <val@jhackguard.com> - http://www.jhackguard.com/
 */

// no direct access
defined('_JEXEC') or die;

class JHackGuard_JSONRPC_Client

{
    private $url;
    private $timeout;
    private $debug;
    private $username;
    private $password;

    public $last_err = null; 

    private $headers = array(
        'Connection: close',
        'Content-Type: application/json',
        'Accept: application/json'
    );


    public function __construct($url, $timeout = 5, $debug = false, $headers = array())
    {
        $this->url = $url;
        $this->timeout = $timeout;
        $this->debug = $debug;
        $this->headers = array_merge($this->headers, $headers);
    }

    public function __call($method, $params)
    {

        return $this->execute($method, $params);
    }
    
    public function authentication($username, $password)
    {
        $this->username = $username;
        $this->password = $password;
    }


    public function execute($procedure, array $params = array())
    {
        $id = mt_rand();

        $payload = array(
            'jsonrpc' => '2.0',
            'method' => $procedure,
            'id' => $id
        );

        if (! empty($params)) {

            $payload['params'] = $params;
        }

        $result = $this->doRequest($payload);

        if (isset($result['id']) && $result['id'] == $id && array_key_exists('result', $result)) {

            return $result['result'];
        }
        if(isset($result['error']))
        {
            $this->last_err = $result['error'];
        }
        else if ($this->debug && isset($result['error'])) {

            print_r($result['error']);
        }

        return null;
    }


    public function doRequest($payload)
    {
        $ch = curl_init();

        curl_setopt($ch, CURLOPT_URL, $this->url);
        curl_setopt($ch, CURLOPT_HEADER, false);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $this->timeout);
        curl_setopt($ch, CURLOPT_USERAGENT, 'JSON-RPC PHP Client');
        curl_setopt($ch, CURLOPT_HTTPHEADER, $this->headers);
        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, false);
        curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'POST');
        curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($payload));

        if ($this->username && $this->password) {

            curl_setopt($ch, CURLOPT_USERPWD, $this->username.':'.$this->password);
        }

        $result = curl_exec($ch);
        $response = json_decode($result, true);

        curl_close($ch);

        return is_array($response) ? $response : array();
    }
}