installed plugin Easy Digital Downloads version 3.1.0.3

wp-content/plugins/easy-digital-downloads/includes/gateways/libs/amazon/HttpCurl.php

@@ -0,0 +1,129 @@
+<?php
+namespace PayWithAmazon;
+
+// Exit if accessed directly
+defined( 'ABSPATH' ) || exit;
+
+/* Class HttpCurl
+ * Handles Curl POST function for all requests
+ */
+
+require_once 'Interface.php';
+
+class HttpCurl implements HttpCurlInterface
+{
+    private $config = array();
+    private $header = false;
+    private $accessToken = null;
+
+    /* Takes user configuration array as input
+     * Takes configuration for API call or IPN config
+     */
+
+    public function __construct($config = null)
+    {
+        $this->config = $config;
+    }
+
+    /* Setter for boolean header to get the user info */
+
+    public function setHttpHeader()
+    {
+        $this->header = true;
+    }
+
+    /* Setter for Access token to get the user info */
+
+    public function setAccessToken($accesstoken)
+    {
+        $this->accessToken = $accesstoken;
+    }
+
+    /* Add the common Curl Parameters to the curl handler $ch
+     * Also checks for optional parameters if provided in the config
+     * config['cabundle_file']
+     * config['proxy_port']
+     * config['proxy_host']
+     * config['proxy_username']
+     * config['proxy_password']
+     */
+
+    private  function commonCurlParams($url,$userAgent)
+    {
+        $ch = curl_init();
+        curl_setopt($ch, CURLOPT_URL, $url);
+        curl_setopt($ch, CURLOPT_PORT, 443);
+        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
+        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
+        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+
+        if (!is_null($this->config['cabundle_file'])) {
+            curl_setopt($ch, CURLOPT_CAINFO, $this->config['cabundle_file']);
+        }
+
+        if (!empty($userAgent))
+            curl_setopt($ch, CURLOPT_USERAGENT, $userAgent);
+
+        if ($this->config['proxy_host'] != null && $this->config['proxy_port'] != -1) {
+            curl_setopt($ch, CURLOPT_PROXY, $this->config['proxy_host'] . ':' . $this->config['proxy_port']);
+        }
+
+        if ($this->config['proxy_username'] != null && $this->config['proxy_password'] != null) {
+            curl_setopt($ch, CURLOPT_PROXYUSERPWD, $this->config['proxy_username'] . ':' . $this->config['proxy_password']);
+        }
+
+        return $ch;
+    }
+
+    /* POST using curl for the following situations
+     * 1. API calls
+     * 2. IPN certificate retrieval
+     * 3. Get User Info
+     */
+
+    public function httpPost($url, $userAgent = null, $parameters = null)
+    {
+        $ch = $this->commonCurlParams($url,$userAgent);
+
+        curl_setopt($ch, CURLOPT_POST, true);
+        curl_setopt($ch, CURLOPT_POSTFIELDS, $parameters);
+        curl_setopt($ch, CURLOPT_HEADER, true);
+
+        $response = $this->execute($ch);
+        return $response;
+    }
+
+    /* GET using curl for the following situations
+     * 1. IPN certificate retrieval
+     * 2. Get User Info
+     */
+
+    public function httpGet($url, $userAgent = null)
+    {
+        $ch = $this->commonCurlParams($url,$userAgent);
+
+        // Setting the HTTP header with the Access Token only for Getting user info
+        if ($this->header) {
+            curl_setopt($ch, CURLOPT_HTTPHEADER, array(
+                'Authorization: bearer ' . $this->accessToken
+            ));
+        }
+
+        $response = $this->execute($ch);
+        return $response;
+    }
+
+    /* Execute Curl request */
+
+    private function execute($ch)
+    {
+        $response = '';
+        if (!$response = curl_exec($ch)) {
+            $error_msg = "Unable to post request, underlying exception of " . curl_error($ch);
+            curl_close($ch);
+            throw new \Exception($error_msg);
+        }
+        curl_close($ch);
+        return $response;
+    }
+}