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<?php |
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/** |
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* Copyright (c) 2018 Justin Kuenzel (jukusoft.com) |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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/** |
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* Project: JuKuCMS |
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* License: Apache 2.0 license |
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* User: Justin |
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* Date: 05.03.2018 |
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* Time: 01:12 |
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*/ |
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class DomainUtils { |
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public static function getTLD ($url) { |
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$domain_tld = ""; |
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//http://news.mullerdigital.com/2013/10/30/how-to-get-the-domain-and-tld-from-a-url-using-php-and-regular-expression/ |
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preg_match("/[a-z0-9\-]{1,63}\.[a-z\.]{2,6}$/", parse_url($url, PHP_URL_HOST), $domain_tld); |
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return $domain_tld[0]; |
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} |
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public static function isHTTPS () { |
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return isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] && $_SERVER['HTTPS'] != "off"; |
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} |
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public static function getPort () { |
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return (int) $_SERVER['SERVER_PORT']; |
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} |
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public static function isProxyUsed () { |
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return isset($_SERVER['HTTP_X_FORWARDED_HOST']) && !empty($_SERVER['HTTP_X_FORWARDED_HOST']); |
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} |
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public static function getHost () { |
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$host = ""; |
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if (isset($_SERVER['HTTP_X_FORWARDED_HOST']) && !empty($_SERVER['HTTP_X_FORWARDED_HOST'])) { |
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$host = $_SERVER['HTTP_X_FORWARDED_HOST']; |
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//because HTTP_X_FORWARDED_HOST can contains more than 1 host, we only want to get the last host name |
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$elements = explode(',', $host); |
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$host = end($elements); |
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} else if (isset($_SERVER['SERVER_NAME']) && !empty($_SERVER['SERVER_NAME'])) { |
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$host = $_SERVER['SERVER_NAME']; |
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} else if (isset($_SERVER['HTTP_HOST']) && !empty($_SERVER['HTTP_HOST'])) { |
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$host = $_SERVER['HTTP_HOST']; |
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} else { |
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//unknown host |
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//use server ip |
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return htmlentities($_SERVER['SERVER_ADDR']); |
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} |
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// Remove port number from host |
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$host = preg_replace("%:\d+$%", "", $host); |
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return trim($host); |
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} |
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/** |
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* get domain |
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* |
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* alias to getHost() |
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*/ |
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public static function getDomain () { |
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return self::getHost(); |
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} |
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public static function getReferer () { |
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return htmlentities($_SERVER['HTTP_REFERER']); |
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} |
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public static function getRequestMethod () { |
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return htmlspecialchars($_SERVER['REQUEST_METHOD']); |
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} |
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public static function getRequestURI () { |
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return htmlentities($_SERVER['REQUEST_URI']); |
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} |
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public static function getBaseURL (bool $without_protocol = false) { |
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$url = ""; |
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if (!$without_protocol) {//add protocol |
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if (self::isHTTPS()) { |
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$url .= "https://"; |
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} else { |
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$url .= "http://"; |
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} |
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} |
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//add domain |
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$url .= self::getDomain(); |
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//check, if an specific server port is used |
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if (self::getPort() != 80 && self::getPort() != 433) { |
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$url .= ":" . self::getPort(); |
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} |
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return $url; |
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} |
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/** |
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* generate an url for a page in this form: http(s)://<Domain><Base URL><Page> |
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*/ |
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public static function generateURL (string $page, array $params = array()) : string { |
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$params_str = ""; |
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if (count($params) > 0) { |
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$params_str = "?"; |
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$array = ""; |
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foreach ($params as $key=>$value) { |
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$array[] = $key . "=" . $value; |
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} |
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$params_str .= implode("&", $array); |
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} |
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return self::getBaseURL() . "/" . $page . $params_str; |
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} |
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public static function getURL () { |
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return self::getBaseURL() . self::getRequestURI(); |
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} |
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/** |
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* faster implementation of getTld() |
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*/ |
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public static function getCurrentDomain () { |
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$host = $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; |
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$domain = explode("?", $host); |
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$host = $domain[0]; |
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$array = explode("/", $host); |
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$host = $array[0]; |
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/*$domain = ""; |
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for ($i = 0; $i < count($array) - 1; $i++) { |
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$domain .= $array[$i]; |
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}*/ |
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$array1 = explode(":", $host); |
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$host = $array1[0]; |
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return /*$domain*/$host; |
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} |
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public static function getProtocol () : string { |
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if (self::isHTTPS()) { |
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return "https://"; |
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} else { |
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return "http://"; |
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} |
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} |
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} |
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?> |
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