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<?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 <[email protected]> |
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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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$doc_root = self::normalize(realpath($_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($_SERVER['DOCUMENT_ROOT'])) { |
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return self::normalize(realpath($_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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mambax7 /
xoopseditors
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Adding explicit visibility (
private,protected, orpublic) is generally recommend to communicate to other developers how, and from where this method is intended to be used.