| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace Asymptix\web; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * Http protocol functionality and other connected tools. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * @category Asymptix PHP Framework | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * @author Dmytro Zarezenko <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * @copyright (c) 2009 - 2017, Dmytro Zarezenko | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * @git https://github.com/Asymptix/Framework | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  * @license http://opensource.org/licenses/MIT | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | class Http { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |     const POST = "POST"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |     const GET  = "GET"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |      * Redirect to the given url. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |      * @param string $url The URL to redirect to. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |      * @param array<mixed> $params Associative array of query parameters. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |      * @param bool $session Whether to append session information. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |      */ | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 27 |  | View Code Duplication |     public static function http_redirect($url, $params = [], $session = false) { | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |         $paramsString = ""; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |         foreach ($params as $key => $value) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |             $paramsString.= "&" . $key . "=" . $value; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |         if ($session) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |             $paramsString.= "&" . session_name() . "=" . session_id(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |         $paramsString = substr($paramsString, 1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |         if ($paramsString) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |             $paramsString = "?" . $paramsString; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |         header("Location: " . $url . $paramsString); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |         exit(); | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |      * Perform HTTP redirect with saving POST params in session. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |      * @param string $url URL redirect to. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |      * @param array<mixed> $postData List of post params to save. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |      * @param bool $serialize Serialize transmitted POST data values or not. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |     public static function httpRedirect($url = "", $postData = [], $serialize = true) { | 
                            
                    |  |  |  | 
                                                                                        
                                                                                            
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |         if (preg_match("#^http[s]?://.+#", $url)) { // absolute url | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |             if (function_exists("http_redirect")) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |                 http_redirect($url); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |             } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |                 self::http_redirect($url); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |         } else { // same domain (relative url) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |             if (!empty($postData)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |                 if (is_array($postData)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |                     if (!Session::exists('_post') || !is_array($_SESSION['_post'])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |                         Session::set('_post', []); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |                     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |                     foreach ($postData as $fieldName => $fieldValue) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |                         Session::set("_post[{$fieldName}]", $serialize ? serialize($fieldValue) : $fieldValue); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |                     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |                 } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |                     throw new HttpException("Wrong POST data."); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |             if (function_exists("http_redirect")) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |                 http_redirect("http://" . $_SERVER['SERVER_NAME'] . "/" . $url); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |             } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |                 self::http_redirect("http://" . $_SERVER['SERVER_NAME'] . "/" . $url); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |      * Perform HTTP redirect with saving POST params in session. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |      * @param string $url URL redirect to. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |      * @param array<mixed> $postData List of post params to save. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |      * @param bool $serialize Serialize transmitted POST data values or not. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |     public static function redirect($url = "", $postData = [], $serialize = true) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |         self::httpRedirect($url, $postData, $serialize); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |      * Returns clients IP-address. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |     public static function getIP() { | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |         if (!empty($_SERVER['HTTP_CLIENT_IP'])) { //check ip from share internet | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |             return $_SERVER['HTTP_CLIENT_IP']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |         } elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) { //to check ip is pass from proxy | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |             return $_SERVER['HTTP_X_FORWARDED_FOR']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |         return $_SERVER['REMOTE_ADDR']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |      * Returns HTTP referrer. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |     public static function getReferrer() { | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |         return isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : ""; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |      * Gets the address that the provided URL redirects to, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |      * or FALSE if there's no redirect. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |      * @param string $url URL. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |      * @return mixed String with redirect URL or FALSE if no redirect. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |      * @throws HttpException | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |     public static function getRedirectUrl($url) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |         $urlParts = @parse_url($url); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |         if (!$urlParts) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |             return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |         if (!isset($urlParts['host'])) { //can't process relative URLs | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |             return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |         if (!isset($urlParts['path'])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |             $urlParts['path'] = '/'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |         $sock = fsockopen($urlParts['host'], (isset($urlParts['port']) ? (int) $urlParts['port'] : 80), $errno, $errstr, 30); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |         if (!$sock) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |             throw new HttpException("$errstr ($errno)"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |         $request = "HEAD " . $urlParts['path'] . (isset($urlParts['query']) ? '?' . $urlParts['query'] : '') . " HTTP/1.1\r\n"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |         $request.= 'Host: ' . $urlParts['host'] . "\r\n"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |         $request.= "Connection: Close\r\n\r\n"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  |         fwrite($sock, $request); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  |         $response = ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |         while (!feof($sock)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  |             $response.= fread($sock, 8192); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |         fclose($sock); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  |         if (preg_match('/^Location: (.+?)$/m', $response, $matches)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |             if (substr($matches[1], 0, 1) == "/") { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  |                 return $urlParts['scheme'] . "://" . $urlParts['host'] . trim($matches[1]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  |             return trim($matches[1]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  |         return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  |      * Follows and collects all redirects, in order, for the given URL. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  |      * @param string $url | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  |      * @return array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |     public static function getAllRedirects($url) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  |         $redirects = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  |         while ($newurl = self::getRedirectUrl($url)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  |             if (in_array($newurl, $redirects)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  |                 break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  |             $redirects[] = $newurl; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  |             $url = $newurl; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  |         return $redirects; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  |      * Gets the address that the URL ultimately leads to. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  |      * Returns $url itself if it isn't a redirect. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 |  |  |      * @param string $url | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  |     public static function getFinalUrl($url) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 |  |  |         $redirects = self::getAllRedirects($url); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 |  |  |         if (count($redirects) > 0) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 |  |  |             return array_pop($redirects); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 |  |  |         return $url; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 |  |  |      * Executes CURL async request. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 |  |  |      * @param string $url URL. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 |  |  |      * @param array $params List of request params. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 |  |  |      * @param string $type Type of the request (GET, POST, ...). | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 |  |  |      * @param int $timeout Timeout in seconds. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 |  |  |      * @return type | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 |  |  |     public static function curlRequestAsync($url, $params, $type = self::POST, $timeout = 30) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 |  |  |         $postParams = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 |  |  |         foreach ($params as $key => &$val) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 210 |  |  |             if (is_array($val)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 211 |  |  |                 $val = implode(',', $val); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 212 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 213 |  |  |             $postParams[] = $key . '=' . urlencode($val); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 214 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 215 |  |  |         $postString = implode('&', $postParams); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 216 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 217 |  |  |         $parts = parse_url($url); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 218 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 219 |  |  |         $port = isset($parts['port']) ? (int)$parts['port'] : 80; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 220 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 221 |  |  |         $sock = fsockopen($parts['host'], $port, $errno, $errstr, $timeout); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 222 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 223 |  |  |         // Data goes in the path for a GET request | 
            
                                                                                                            
                            
            
                                    
            
            
                | 224 |  |  |         if ($type == self::GET) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 225 |  |  |             $parts['path'].= '?' . $postString; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 226 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 227 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 228 |  |  |         $request = "$type " . $parts['path'] . " HTTP/1.1\r\n"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 229 |  |  |         $request.= "Host: " . $parts['host'] . "\r\n"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 230 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 231 |  |  |         if ($type == self::POST) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 232 |  |  |             $request.= "Content-Type: application/x-www-form-urlencoded\r\n"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 233 |  |  |             $request.= "Content-Length: " . strlen($postString) . "\r\n"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 234 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 235 |  |  |         $request.= "Connection: Close\r\n"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 236 |  |  |         $request.= "\r\n"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 237 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 238 |  |  |         // Data goes in the request body for a POST request | 
            
                                                                                                            
                            
            
                                    
            
            
                | 239 |  |  |         if ($type == self::POST && isset($postString)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 240 |  |  |             $request.= $postString; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 241 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 242 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 243 |  |  |         fwrite($sock, $request); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 244 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 245 |  |  |         $response = ""; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 246 |  |  |         while (!feof($sock) && $result = fgets($sock)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 247 |  |  |             $response.= $result; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 248 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 249 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 250 |  |  |         fclose($sock); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 251 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 252 |  |  |         list($respHeader, $respBody) = preg_split("/\R\R/", $response, 2); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 253 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 254 |  |  |         $headers = array_map(['self', "pair"], explode("\r\n", $respHeader)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 255 |  |  |         $headerList = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 256 |  |  |         foreach ($headers as $value) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 257 |  |  |             $headerList[$value['key']] = $value['value']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 258 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 259 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 260 |  |  |         return [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 261 |  |  |             'request' => $request, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 262 |  |  |             'response' => [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 263 |  |  |                 'header' => $respHeader, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 264 |  |  |                 'headerList' => $headerList, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 265 |  |  |                 'body' => trim(http_chunked_decode($respBody)) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 266 |  |  |             ], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 267 |  |  |             'errno' => $errno, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 268 |  |  |             'errstr' => $errstr | 
            
                                                                                                            
                            
            
                                    
            
            
                | 269 |  |  |         ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 270 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 271 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 272 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 273 |  |  |      * Validates URL existence with cURL request. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 274 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 275 |  |  |      * @param string $url URL. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 276 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 277 |  |  |      * @return bool | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 278 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 279 |  |  |     public static function urlExists($url) { | 
            
                                                                        
                            
            
                                    
            
            
                | 280 |  |  |         $ch = curl_init($url); | 
            
                                                                        
                            
            
                                    
            
            
                | 281 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 282 |  |  |         curl_setopt($ch, CURLOPT_NOBODY, true); | 
            
                                                                        
                            
            
                                    
            
            
                | 283 |  |  |         curl_setopt($ch, CURLOPT_FAILONERROR, true); | 
            
                                                                        
                            
            
                                    
            
            
                | 284 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 285 |  |  |         $result = curl_exec($ch); | 
            
                                                                        
                            
            
                                    
            
            
                | 286 |  |  |         curl_close($ch); | 
            
                                                                        
                            
            
                                    
            
            
                | 287 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 288 |  |  |         return $result; | 
            
                                                                        
                            
            
                                    
            
            
                | 289 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 290 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 291 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 292 |  |  |      * Force HTTP status code. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 293 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 294 |  |  |      * @param int $code Status code. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 295 |  |  |      * @param string $path Include path if needed. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 296 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 297 |  |  |      * @throws HttpException If invalid HTTP status provided. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 298 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 299 |  |  |     public static function forceHttpStatus($code, $path = null) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 300 |  |  |         switch ($code) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 301 |  |  |             //TODO: implement other statuses | 
            
                                                                                                            
                            
            
                                    
            
            
                | 302 |  |  |             case (404): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 303 |  |  |                 header('HTTP/1.0 404 Not Found', true, 404); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 304 |  |  |                 break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 305 |  |  |             default: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 306 |  |  |                 throw new HttpException("Invalid HTTP status code '" . $code . "'"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 307 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 308 |  |  |         if (!is_null($path)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 309 |  |  |             include($path); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 310 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 311 |  |  |         exit(); | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 312 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 313 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 314 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 315 |  |  |      * Magic methods: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 316 |  |  |      *    force404($path = null) - force HTTP status codes. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 317 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 318 |  |  |      * @param string $name The name of the method being called. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 319 |  |  |      * @param type $arguments Enumerated array containing the parameters passed | 
            
                                                                                                            
                            
            
                                    
            
            
                | 320 |  |  |      *           to the method. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 321 |  |  |      * @return mixed | 
            
                                                                                                            
                            
            
                                    
            
            
                | 322 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 323 |  |  |      * @throws HttpException If invalid method name provided. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 324 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 325 |  |  |     public static function __callStatic($name, $arguments) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 326 |  |  |         if (substr($name, 0, 5) === "force") { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 327 |  |  |             $code = (int)substr($name, 5); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 328 |  |  |             $path = isset($arguments[0]) ? $arguments[0] : null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 329 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 330 |  |  |             return self::forceHttpStatus($code, $path); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 331 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 332 |  |  |         throw new HttpException("Invalid HTTP class method '" . $name . "'"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 333 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 334 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 335 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 336 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 337 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 338 |  |  |  * Service exception class. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 339 |  |  |  */ | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 340 |  |  | class HttpException extends \Exception {} | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                        
            
                                    
            
            
                | 341 |  |  |  | 
            
                        
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.