PKPCurlHelper.inc.php

<?php
 
class PKPCurlHelper {
   static function getCurlObject($url = null, $useProxySettings = true) {
      // Set up common CURL request details
      $curl = curl_init($url);
 
      // Use proxy if configured
      if ($useProxySettings && $httpProxyHost = Config::getVar('proxy', 'http_host')) {
         curl_setopt($curl, CURLOPT_PROXY, $httpProxyHost);
         curl_setopt($curl, CURLOPT_PROXYPORT, Config::getVar('proxy', 'http_port', '80'));
         if ($username = Config::getVar('proxy', 'username')) {
            curl_setopt($curl, CURLOPT_PROXYUSERPWD, $username . ':' . Config::getVar('proxy', 'password'));
         }
      }
 
      // Use cainfo if configured
      if ($cainfo = Config::getVar('curl', 'cainfo')) {
         curl_setopt($curl, CURLOPT_CAINFO, $cainfo);
      }
 
      // Set user agent
      $application = Application::get();
      if (Config::getVar('general', 'installed') && !defined('RUNNING_UPGRADE')) {
         $currentVersion = $application->getCurrentVersion();
         curl_setopt($curlCh, CURLOPT_USERAGENT, $application->getName() . '/' . $currentVersion->getVersionString());
      } else {
         curl_setopt($curlCh, CURLOPT_USERAGENT, $application->getName() . '/?');
      }
 
      return $curl;
   }
}