1 files changed, 174 insertions, 0 deletions
diff --git a/vendor/JsonRPC/Client.php b/vendor/JsonRPC/Client.php
new file mode 100644
index 00000000..bbdb7200
--- /dev/null
+++ b/vendor/JsonRPC/Client.php
@@ -0,0 +1,174 @@
+<?php
+
+namespace JsonRPC;
+
+/**
+ * JsonRPC client class
+ *
+ * @package JsonRPC
+ * @author Frderic Guillot
+ * @license Unlicense http://unlicense.org/
+ */
+class Client
+{
+    /**
+     * URL of the server
+     *
+     * @access private
+     * @var string
+     */
+    private $url;
+
+    /**
+     * HTTP client timeout
+     *
+     * @access private
+     * @var integer
+     */
+    private $timeout;
+
+    /**
+     * Debug flag
+     *
+     * @access private
+     * @var bool
+     */
+    private $debug;
+
+    /**
+     * Username for authentication
+     *
+     * @access private
+     * @var string
+     */
+    private $username;
+
+    /**
+     * Password for authentication
+     *
+     * @access private
+     * @var string
+     */
+    private $password;
+
+    /**
+     * Default HTTP headers to send to the server
+     *
+     * @access private
+     * @var array
+     */
+    private $headers = array(
+        'Connection: close',
+        'Content-Type: application/json',
+        'Accept: application/json'
+    );
+
+    /**
+     * Constructor
+     *
+     * @access public
+     * @param  string    $url         Server URL
+     * @param  integer   $timeout     Server URL
+     * @param  bool      $debug       Debug flag
+     * @param  array     $headers     Custom HTTP headers
+     */
+    public function __construct($url, $timeout = 5, $debug = false, $headers = array())
+    {
+        $this->url = $url;
+        $this->timeout = $timeout;
+        $this->debug = $debug;
+        $this->headers = array_merge($this->headers, $headers);
+    }
+
+    /**
+     * Automatic mapping of procedures
+     *
+     * @access public
+     * @param  string   $method   Procedure name
+     * @param  array    $params   Procedure arguments
+     * @return mixed
+     */
+    public function __call($method, $params)
+    {
+        return $this->execute($method, $params);
+    }
+
+    /**
+     * Set authentication parameters
+     *
+     * @access public
+     * @param  string   $username   Username
+     * @param  string   $password   Password
+     */
+    public function authentication($username, $password)
+    {
+        $this->username = $username;
+        $this->password = $password;
+    }
+
+    /**
+     * Execute
+     *
+     * @access public
+     * @param  string   $procedure   Procedure name
+     * @param  array    $params      Procedure arguments
+     * @return mixed
+     */
+    public function execute($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 $result['result'];
+        }
+        else if ($this->debug && isset($result['error'])) {
+            print_r($result['error']);
+        }
+
+        return null;
+    }
+
+    /**
+     * Do the HTTP request
+     *
+     * @access public
+     * @param  string   $payload   Data to send
+     */
+    public function doRequest($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();
+    }
+}