149 lines
4.4 KiB
PHP
149 lines
4.4 KiB
PHP
<?php
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/** This file is part of KCFinder project
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*
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* @desc Path helper class
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* @package KCFinder
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* @version 3.12
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* @author Pavel Tzonkov <sunhater@sunhater.com>
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* @copyright 2010-2014 KCFinder Project
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* @license http://opensource.org/licenses/GPL-3.0 GPLv3
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* @license http://opensource.org/licenses/LGPL-3.0 LGPLv3
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* @link http://kcfinder.sunhater.com
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*/
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namespace kcfinder;
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class path {
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/** Get the absolute URL path of the given one. Returns FALSE if the URL
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* is not valid or the current directory cannot be resolved (getcwd())
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* @param string $path
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* @return string */
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static function rel2abs_url($path) {
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if (substr($path, 0, 1) == "/") return $path;
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$dir = @getcwd();
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if (!isset($_SERVER['DOCUMENT_ROOT']) || ($dir === false))
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return false;
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$dir = self::normalize($dir);
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$doc_root = self::normalize($_SERVER['DOCUMENT_ROOT']);
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if (substr($dir, 0, strlen($doc_root)) != $doc_root)
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return false;
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$return = self::normalize(substr($dir, strlen($doc_root)) . "/$path");
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if (substr($return, 0, 1) !== "/")
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$return = "/$return";
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return $return;
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}
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/** Resolve full filesystem path of given URL. Returns FALSE if the URL
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* cannot be resolved
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* @param string $url
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* @return string */
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static function url2fullPath($url) {
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$url = self::normalize($url);
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$uri = isset($_SERVER['SCRIPT_NAME'])
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? $_SERVER['SCRIPT_NAME'] : (isset($_SERVER['PHP_SELF'])
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? $_SERVER['PHP_SELF']
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: false);
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$uri = self::normalize($uri);
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if (substr($url, 0, 1) !== "/") {
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if ($uri === false) return false;
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$url = dirname($uri) . "/$url";
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}
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if (isset($_SERVER['DOCUMENT_ROOT'])) {
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return self::normalize($_SERVER['DOCUMENT_ROOT'] . "/$url");
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} else {
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if ($uri === false) return false;
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if (isset($_SERVER['SCRIPT_FILENAME'])) {
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$scr_filename = self::normalize($_SERVER['SCRIPT_FILENAME']);
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return self::normalize(substr($scr_filename, 0, -strlen($uri)) . "/$url");
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}
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$count = count(explode('/', $uri)) - 1;
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for ($i = 0, $chdir = ""; $i < $count; $i++)
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$chdir .= "../";
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$chdir = self::normalize($chdir);
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$dir = getcwd();
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if (($dir === false) || !@chdir($chdir))
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return false;
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$rdir = getcwd();
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chdir($dir);
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return ($rdir !== false) ? self::normalize($rdir . "/$url") : false;
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}
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}
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/** Normalize the given path. On Windows servers backslash will be replaced
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* with slash. Removes unnecessary double slashes and double dots. Removes
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* last slash if it exists. Examples:
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* path::normalize("C:\\any\\path\\") returns "C:/any/path"
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* path::normalize("/your/path/..//home/") returns "/your/home"
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* @param string $path
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* @return string */
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static function normalize($path) {
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// Backslash to slash convert
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if (strtoupper(substr(PHP_OS, 0, 3)) == "WIN") {
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$path = preg_replace('/([^\\\])\\\+([^\\\])/s', "$1/$2", $path);
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if (substr($path, -1) == "\\") $path = substr($path, 0, -1);
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if (substr($path, 0, 1) == "\\") $path = "/" . substr($path, 1);
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}
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$path = preg_replace('/\/+/s', "/", $path);
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$path = "/$path";
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if (substr($path, -1) != "/")
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$path .= "/";
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$expr = '/\/([^\/]{1}|[^\.\/]{2}|[^\/]{3,})\/\.\.\//s';
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while (preg_match($expr, $path))
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$path = preg_replace($expr, "/", $path);
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$path = substr($path, 0, -1);
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$path = substr($path, 1);
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return $path;
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}
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/** Encode URL Path
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* @param string $path
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* @return string */
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static function urlPathEncode($path) {
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$path = self::normalize($path);
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$encoded = "";
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foreach (explode("/", $path) as $dir)
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$encoded .= rawurlencode($dir) . "/";
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$encoded = substr($encoded, 0, -1);
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return $encoded;
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}
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/** Decode URL Path
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* @param string $path
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* @return string */
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static function urlPathDecode($path) {
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$path = self::normalize($path);
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$decoded = "";
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foreach (explode("/", $path) as $dir)
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$decoded .= rawurldecode($dir) . "/";
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$decoded = substr($decoded, 0, -1);
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return $decoded;
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}
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}
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?>
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