1: <?php
  2: /**
  3:  * ApiAxle (https://github.com/fillup/apiaxle-module/)
  4:  *
  5:  * @link      https://github.com/fillup/apiaxle-module for the canonical source repository
  6:  * @license   MIT
  7:  */
  8: 
  9: namespace ApiAxle\Shared;
 10: 
 11: /**
 12:  * HttpRequest class provides a very simple wrapper for using cURL functions.
 13:  * 
 14:  * Provides a single static function to make an HTTP request and get the results.
 15:  * If there is an error returned from the server it will throw an \ErrorException
 16:  * with the error message and error number returned from curl_exec.
 17:  * 
 18:  * @author Phillip Shipley <phillip@phillipshipley.com>
 19:  * 
 20:  */
 21: class HttpRequest
 22: {   
 23:     /**
 24:      * Make an HTTP Request
 25:      * 
 26:      * Simplified interface to cURL methods.
 27:      * 
 28:      * @link http://php.net/curl
 29:      * @param string $uri The URI to make the request to. For GET requests it
 30:      *   should include all parameters. This is passed as the CURLOPT_URL
 31:      * @param string $method Set to either GET (default) or POST
 32:      * @param string|array $postfields If using POST, this parameter will be 
 33:      *   set as CURLOPT_POSTFIELDS
 34:      * @return string On successful HTTP request, it will return the body of the
 35:      *   response as a string.
 36:      * @throws \ErrorException On error making the HTTP request.
 37:      */
 38:     public static function request($uri,$method='GET',$postfields=false,$headers=false,$config=false) {
 39:         $ch = curl_init();
 40:         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 41:         curl_setopt($ch, CURLOPT_URL, $uri);
 42:         curl_setopt($ch, CURLINFO_HEADER_OUT, true);
 43:         if($config){
 44:             curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, $config->getSslVerifypeer());
 45:             if($config->getSslVerifypeer()){
 46:                 if(!is_null($config->getSslCainfo())){
 47:                     curl_setopt($ch, CURLOPT_CAINFO, $config->getSslCainfo());
 48:                 }
 49:                 if(!is_null($config->getSslCapath())){
 50:                     curl_setopt($ch, CURLOPT_CAPATH, $config->getSslCapath());
 51:                 }
 52:             }
 53:             
 54:             if($config->getProxyEnable()){
 55:                 curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, $config->getProxyEnable());
 56:                 curl_setopt($ch, CURLOPT_PROXY, $config->getProxyHost());
 57:                 curl_setopt($ch, CURLOPT_PROXYPORT, $config->getProxyPort());
 58:             }
 59:         }
 60:         
 61:         $method = strtoupper($method);
 62:         if($method == 'GET'){
 63:             curl_setopt($ch, CURLOPT_HTTPGET, true);
 64:         } elseif($method == 'POST') {
 65:             curl_setopt($ch, CURLOPT_POST, true);
 66:         } elseif($method == 'PUT'){
 67:             curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'PUT');
 68:         } elseif($method == 'DELETE'){
 69:             curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'DELETE');
 70:         }
 71:         
 72:         if($postfields && ($method == 'POST' || $method == 'PUT')){
 73:             curl_setopt($ch, CURLOPT_POSTFIELDS, $postfields);
 74:         }
 75:         if($headers && is_array($headers)){
 76:             curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
 77:         }
 78:         
 79:         $response = curl_exec($ch);
 80:         $info = curl_getinfo($ch);
 81:         if($response){
 82:             return $response;
 83:         } else {
 84:             if($info['http_code'] == 204){
 85:                 $result = array(
 86:                     'success' => true
 87:                 );
 88:                 return json_encode($result);
 89:             } else {
 90:                 $curl_errno = curl_errno($ch);
 91:                 if($curl_errno == 0){
 92:                     $code = $info['http_code'];
 93:                 } else {
 94:                     $code = $curl_errno;
 95:                 }
 96:                 throw new \ErrorException('Http Request Failed: '.$uri.' (HTTP Status: '.$info['http_code'].') with error: '.  
 97:                     curl_error($ch), 210);
 98:             }
 99:         }
100:     }
101: }