From 2fe2614fbfe04456222036e84f3e8b722c71374c Mon Sep 17 00:00:00 2001
From: Danila Tarasov <grohotun@gmail.com>
Date: Wed, 1 Feb 2017 21:54:17 +0300
Subject: [PATCH 1/3] Fix CURL Json POST #3489

---
 lib/internal/Magento/Framework/HTTP/Client/Curl.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/internal/Magento/Framework/HTTP/Client/Curl.php b/lib/internal/Magento/Framework/HTTP/Client/Curl.php
index 713ea19ab9789..5235eb25737af 100644
--- a/lib/internal/Magento/Framework/HTTP/Client/Curl.php
+++ b/lib/internal/Magento/Framework/HTTP/Client/Curl.php
@@ -338,17 +338,18 @@ public function getStatus()
      * @param string $method
      * @param string $uri
      * @param array $params
+     * @param bool $json
      * @return void
      * @SuppressWarnings(PHPMD.CyclomaticComplexity)
      * @SuppressWarnings(PHPMD.NPathComplexity)
      */
-    protected function makeRequest($method, $uri, $params = [])
+    protected function makeRequest($method, $uri, $params = [], $json = false)
     {
         $this->_ch = curl_init();
         $this->curlOption(CURLOPT_URL, $uri);
         if ($method == 'POST') {
             $this->curlOption(CURLOPT_POST, 1);
-            $this->curlOption(CURLOPT_POSTFIELDS, http_build_query($params));
+            $this->curlOption(CURLOPT_POSTFIELDS, $json ? json_encode($params) : http_build_query($params));
         } elseif ($method == "GET") {
             $this->curlOption(CURLOPT_HTTPGET, 1);
         } else {

From 4b749242586007f5be9fdac728abb1583b713dd5 Mon Sep 17 00:00:00 2001
From: Grohotun <grohotun@gmail.com>
Date: Fri, 3 Feb 2017 13:58:41 +0400
Subject: [PATCH 2/3] Update Curl.php

---
 lib/internal/Magento/Framework/HTTP/Client/Curl.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/internal/Magento/Framework/HTTP/Client/Curl.php b/lib/internal/Magento/Framework/HTTP/Client/Curl.php
index 5235eb25737af..51d56875d54e0 100644
--- a/lib/internal/Magento/Framework/HTTP/Client/Curl.php
+++ b/lib/internal/Magento/Framework/HTTP/Client/Curl.php
@@ -232,13 +232,14 @@ public function get($uri)
      *
      * @param string $uri
      * @param array $params
+     * @param bool $json
      * @return void
      *
      * @see \Magento\Framework\HTTP\Client#post($uri, $params)
      */
-    public function post($uri, $params)
+    public function post($uri, $params, $json = false)
     {
-        $this->makeRequest("POST", $uri, $params);
+        $this->makeRequest("POST", $uri, $params, $json = false);
     }
 
     /**

From f2def924e819b5d17277920786bcbccab5b4e499 Mon Sep 17 00:00:00 2001
From: Grohotun <grohotun@gmail.com>
Date: Wed, 8 Feb 2017 00:54:28 +0400
Subject: [PATCH 3/3] Update Curl.php

---
 lib/internal/Magento/Framework/HTTP/Client/Curl.php | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/lib/internal/Magento/Framework/HTTP/Client/Curl.php b/lib/internal/Magento/Framework/HTTP/Client/Curl.php
index 51d56875d54e0..8efb04220a099 100644
--- a/lib/internal/Magento/Framework/HTTP/Client/Curl.php
+++ b/lib/internal/Magento/Framework/HTTP/Client/Curl.php
@@ -232,14 +232,13 @@ public function get($uri)
      *
      * @param string $uri
      * @param array $params
-     * @param bool $json
      * @return void
      *
      * @see \Magento\Framework\HTTP\Client#post($uri, $params)
      */
-    public function post($uri, $params, $json = false)
+    public function post($uri, $params)
     {
-        $this->makeRequest("POST", $uri, $params, $json = false);
+        $this->makeRequest("POST", $uri, $params);
     }
 
     /**
@@ -338,19 +337,18 @@ public function getStatus()
      * Make request
      * @param string $method
      * @param string $uri
-     * @param array $params
-     * @param bool $json
+     * @param array array|string $params
      * @return void
      * @SuppressWarnings(PHPMD.CyclomaticComplexity)
      * @SuppressWarnings(PHPMD.NPathComplexity)
      */
-    protected function makeRequest($method, $uri, $params = [], $json = false)
+    protected function makeRequest($method, $uri, $params = [])
     {
         $this->_ch = curl_init();
         $this->curlOption(CURLOPT_URL, $uri);
         if ($method == 'POST') {
             $this->curlOption(CURLOPT_POST, 1);
-            $this->curlOption(CURLOPT_POSTFIELDS, $json ? json_encode($params) : http_build_query($params));
+            $this->curlOption(CURLOPT_POSTFIELDS, is_array($params) ? http_build_query($params) : $params);
         } elseif ($method == "GET") {
             $this->curlOption(CURLOPT_HTTPGET, 1);
         } else {