Add an ability to use proxy server

Author: sibprogrammer

src/Api/Client.php

@@ -18,6 +18,7 @@ class Client
     protected $_protocol;
     protected $_login;
     protected $_password;
+    protected $_proxy = '';
     protected $_secretKey;
     protected $_version = '';
 
@@ -64,6 +65,16 @@ public function setSecretKey($secretKey)
         $this->_secretKey = $secretKey;
     }
 
+    /**
+     * Set proxy server for requests
+     *
+     * @param string $proxy
+     */
+    public function setProxy($proxy)
+    {
+        $this->_proxy = $proxy;
+    }
+
     /**
      * Set default version for requests.
      *
@@ -188,6 +199,10 @@ private function _performHttpRequest($request)
         curl_setopt($curl, CURLOPT_HTTPHEADER, $this->_getHeaders());
         curl_setopt($curl, CURLOPT_POSTFIELDS, $request);
 
+        if ('' !== $this->_proxy) {
+            curl_setopt($curl, CURLOPT_PROXY, $this->_proxy);
+        }
+
         $result = curl_exec($curl);
 
         if (false === $result) {

tests/TestCase.php

@@ -27,6 +27,10 @@ public static function setUpBeforeClass(): void
 
         static::$_client = new \PleskX\Api\Client($host, $port, $scheme);
         static::$_client->setCredentials($login, $password);
+
+        if ($proxy = getenv('REMOTE_PROXY')) {
+            static::$_client->setProxy($proxy);
+        }
     }
 
     public static function tearDownAfterClass(): void