<?php /** * URL utility class * * This class provides methods to deal with encoding and decoding url (percent encoded) strings. * * It was not possible to use PHP's built-in methods for this, because some clients don't like * encoding of certain characters. * * Specifically, it was found that GVFS (gnome's webdav client) does not like encoding of ( and * ). Since these are reserved, but don't have a reserved meaning in url, these characters are * kept as-is. * * @package Sabre * @subpackage DAV * @copyright Copyright (C) 2007-2012 Rooftop Solutions. All rights reserved. * @author Evert Pot (http://www.rooftopsolutions.nl/) * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License */ class Sabre_DAV_URLUtil { /** * Encodes the path of a url. * * slashes (/) are treated as path-separators. * * @param string $path * @return string */ static function encodePath($path) { return preg_replace_callback('/([^A-Za-z0-9_\-\.~\(\)\/])/',function($match) { return '%'.sprintf('%02x',ord($match[0])); }, $path); } /** * Encodes a 1 segment of a path * * Slashes are considered part of the name, and are encoded as %2f * * @param string $pathSegment * @return string */ static function encodePathSegment($pathSegment) { return preg_replace_callback('/([^A-Za-z0-9_\-\.~\(\)])/',function($match) { return '%'.sprintf('%02x',ord($match[0])); }, $pathSegment); } /** * Decodes a url-encoded path * * @param string $path * @return string */ static function decodePath($path) { return self::decodePathSegment($path); } /** * Decodes a url-encoded path segment * * @param string $path * @return string */ static function decodePathSegment($path) { $path = rawurldecode($path); $encoding = mb_detect_encoding($path, array('UTF-8','ISO-8859-1')); switch($encoding) { case 'ISO-8859-1' : $path = utf8_encode($path); } return $path; } /** * Returns the 'dirname' and 'basename' for a path. * * The reason there is a custom function for this purpose, is because * basename() is locale aware (behaviour changes if C locale or a UTF-8 locale is used) * and we need a method that just operates on UTF-8 characters. * * In addition basename and dirname are platform aware, and will treat backslash (\) as a * directory separator on windows. * * This method returns the 2 components as an array. * * If there is no dirname, it will return an empty string. Any / appearing at the end of the * string is stripped off. * * @param string $path * @return array */ static function splitPath($path) { $matches = array(); if(preg_match('/^(?:(?:(.*)(?:\/+))?([^\/]+))(?:\/?)$/u',$path,$matches)) { return array($matches[1],$matches[2]); } else { return array(null,null); } } }