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237 lines
8.4 KiB
237 lines
8.4 KiB
<?php
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/**
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*
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* @package Duplicator
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* @copyright (c) 2022, Snap Creek LLC
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*/
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namespace Duplicator\Libs\Snap;
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class SnapURL
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{
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/** @var array<string, scalar> */
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protected static $DEF_ARRAY_PARSE_URL = array(
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'scheme' => false,
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'host' => false,
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'port' => false,
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'user' => false,
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'pass' => false,
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'path' => '',
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'query' => false,
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'fragment' => false
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);
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/**
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* Append a new query value to the end of a URL
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*
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* @param string $url The URL to append the new value to
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* @param string $key The new key name
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* @param ?scalar $value The new key name value
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*
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* @return string Returns the new URL with with the query string name and value
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*/
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public static function appendQueryValue($url, $key, $value)
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{
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$separator = (parse_url($url, PHP_URL_QUERY) == null) ? '?' : '&';
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$modified_url = $url . "$separator$key=" . $value;
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return $modified_url;
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}
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/**
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* Add www. in url if don't have
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*
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* @param string $url input URL
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*
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* @return string
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*/
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public static function wwwAdd($url)
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{
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return preg_replace('/^((?:\w+\:)?\/\/)?(?!www\.)(.+)/', '$1www.$2', $url);
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}
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/**
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* Remove www. in url if don't have
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*
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* @param string $url input URL
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*
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* @return string
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*/
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public static function wwwRemove($url)
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{
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return preg_replace('/^((?:\w+\:)?\/\/)?www\.(.+)/', '$1$2', $url);
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}
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/**
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* Fetches current URL via PHP
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*
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* @param bool $queryString If true the query string will also be returned.
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* @param boolean $requestUri If true check REQUEST_URI else SCRIPT_NAME
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* @param int $getParentDirLevel If 0 get current script name or parent folder, if 1 parent folder if 2 parent of parent folder ...
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*
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* @return string The current page url
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*/
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public static function getCurrentUrl($queryString = true, $requestUri = false, $getParentDirLevel = 0)
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{
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// *** HOST
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if (isset($_SERVER['HTTP_X_ORIGINAL_HOST'])) {
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$host = $_SERVER['HTTP_X_ORIGINAL_HOST'];
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} else {
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$host = isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : $_SERVER['SERVER_NAME']; //WAS SERVER_NAME and caused problems on some boxes
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}
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// *** PROTOCOL
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if (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] === 'https') {
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$_SERVER ['HTTPS'] = 'on';
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}
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if (isset($_SERVER['HTTP_X_FORWARDED_SSL']) && $_SERVER['HTTP_X_FORWARDED_SSL'] === 'https') {
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$_SERVER ['HTTPS'] = 'on';
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}
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if (isset($_SERVER['HTTP_CF_VISITOR'])) {
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$visitor = json_decode($_SERVER['HTTP_CF_VISITOR']);
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if (is_object($visitor) && property_exists($visitor, 'scheme') && $visitor->scheme == 'https') {
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$_SERVER ['HTTPS'] = 'on';
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}
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}
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$protocol = 'http' . ((isset($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) === 'on') ? 's' : '');
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if ($requestUri) {
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$serverUrlSelf = preg_replace('/\?.*$/', '', $_SERVER['REQUEST_URI']);
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} else {
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// *** SCRIPT NAME
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$serverUrlSelf = $_SERVER['SCRIPT_NAME'];
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for ($i = 0; $i < $getParentDirLevel; $i++) {
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$serverUrlSelf = preg_match('/^[\\\\\/]?$/', dirname($serverUrlSelf)) ? '' : dirname($serverUrlSelf);
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}
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}
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// *** QUERY STRING
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$query = ($queryString && isset($_SERVER['QUERY_STRING']) && strlen($_SERVER['QUERY_STRING']) > 0 ) ? '?' . $_SERVER['QUERY_STRING'] : '';
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return $protocol . '://' . $host . $serverUrlSelf . $query;
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}
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/**
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* Get current query string data array
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*
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* @return string[]
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*/
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public static function getCurrentQueryURLdata()
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{
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$result = array();
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if (!isset($_SERVER['QUERY_STRING']) || strlen($_SERVER['QUERY_STRING']) == 0) {
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return $result;
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}
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parse_str($_SERVER['QUERY_STRING'], $result);
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return $result;
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}
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/**
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* this function is a native PHP parse_url wrapper
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* this function returns an associative array with all the keys present and the values = false if they do not exist.
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*
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* @param string $url <p>The URL to parse. Invalid characters are replaced by <i>_</i>.</p>
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* @param int $component if != 1 return specific URL component
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*
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* @return mixed[]|string|int|null|false <p>On seriously malformed URLs, <b>parse_url()</b> may return <b><code>FALSE</code></b>.</p>
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* <p>If the <code>component</code> parameter is omitted, an associative <code>array</code> is returned.
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* At least one element will be present within the array. Potential keys within this array are:</p>
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* <ul>
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* <li> scheme - e.g. http </li>
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* <li> host </li>
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* <li> port </li>
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* <li> user </li>
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* <li> pass </li>
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* <li> path </li>
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* <li> query - after the question mark <i>?</i> </li>
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* <li> fragment - after the hashmark <i>#</i> </li>
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* </ul>
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* <p>If the <code>component</code> parameter is specified,
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* <b>parse_url()</b> returns a <code>string</code> (or an <code>integer</code>,
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* in the case of <b><code>PHP_URL_PORT</code></b>) instead of an <code>array</code>.
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* If the requested component doesn't exist within the given URL, <b><code>NULL</code></b> will be returned.</p>
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*/
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public static function parseUrl($url, $component = -1)
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{
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if (preg_match('/^([a-zA-Z0-9]+\:)?\/\//', $url) !== 1) {
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// fix invalid URL for only host string ex. 'myhost.com'
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$url = '//' . $url;
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}
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$result = parse_url($url, $component);
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if (is_array($result)) {
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$result = array_merge(self::$DEF_ARRAY_PARSE_URL, $result);
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}
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return $result;
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}
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/**
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* Remove scheme from URL
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*
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* @param string $url source url
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* @param bool $removeWww if true remove www
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*
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* @return string
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*/
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public static function removeScheme($url, $removeWww = false)
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{
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$parts = self::parseUrl($url);
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unset($parts['scheme']);
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$result = self::buildUrl($parts);
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if ($removeWww) {
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$result = self::wwwRemove($result);
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}
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return ltrim($result, '/');
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}
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/**
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* this function build a url from array result of parse url.
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* if work with both parse_url native function result and snap parseUrl result
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*
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* @param array<string, mixed> $parts url parts from parseUrl
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*
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* @return bool|string return false if param isn't array
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*/
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public static function buildUrl($parts)
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{
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if (!is_array($parts)) {
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return false;
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}
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$result = '';
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$result .= (isset($parts['scheme']) && $parts['scheme'] !== false) ? $parts['scheme'] . ':' : '';
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$result .= (
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(isset($parts['user']) && $parts['user'] !== false) ||
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(isset($parts['host']) && $parts['host'] !== false)) ? '//' : '';
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$result .= (isset($parts['user']) && $parts['user'] !== false) ? $parts['user'] : '';
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$result .= (isset($parts['pass']) && $parts['pass'] !== false) ? ':' . $parts['pass'] : '';
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$result .= (isset($parts['user']) && $parts['user'] !== false) ? '@' : '';
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$result .= (isset($parts['host']) && $parts['host'] !== false) ? $parts['host'] : '';
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$result .= (isset($parts['port']) && $parts['port'] !== false) ? ':' . $parts['port'] : '';
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$result .= (isset($parts['path']) && $parts['path'] !== false) ? $parts['path'] : '';
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$result .= (isset($parts['query']) && $parts['query'] !== false) ? '?' . $parts['query'] : '';
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$result .= (isset($parts['fragment']) && $parts['fragment'] !== false) ? '#' . $parts['fragment'] : '';
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return $result;
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}
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/**
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* Encode alla chars
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*
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* @param string $url input URL
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*
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* @return string
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*/
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public static function urlEncodeAll($url)
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{
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$hex = unpack('H*', urldecode($url));
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return preg_replace('~..~', '%$0', strtoupper($hex[1]));
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}
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}
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