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<?php
namespace Bitrix\Main\IO;
use Bitrix\Main;
use Bitrix\Main\Text;
/**
*
*/
class Path
{
const DIRECTORY_SEPARATOR = '/';
const DIRECTORY_SEPARATOR_ALT = '\\';
const PATH_SEPARATOR = PATH_SEPARATOR;
const INVALID_FILENAME_CHARS = "\\/:*?\"'<>|~#&;";
//the pattern should be quoted, "|" is allowed below as a delimiter
const INVALID_FILENAME_BYTES = "\xE2\x80\xAE"; //Right-to-Left Override Unicode Character
protected static $physicalEncoding = "";
protected static $logicalEncoding = "";
protected static $directoryIndex = null;
public static function normalize($path)
{
if (!is_string($path) || ($path == ""))
return null;
//slashes doesn't matter for Windows
static $pattern = null, $tailPattern;
if (!$pattern)
{
if(strncasecmp(PHP_OS, "WIN", 3) == 0)
{
//windows
$pattern = "'[\\\\/]+'";
$tailPattern = "\0.\\/+ ";
}
else
{
//unix
$pattern = "'[/]+'";
$tailPattern = "\0/";
}
}
$pathTmp = preg_replace($pattern, "/", $path);
if (mb_strpos($pathTmp, "\0") !== false)
throw new InvalidPathException($path);
if (preg_match("#(^|/)(\\.|\\.\\.)(/|\$)#", $pathTmp))
{
$arPathTmp = explode('/', $pathTmp);
$arPathStack = array();
foreach ($arPathTmp as $i => $pathPart)
{
if ($pathPart === '.')
continue;
if ($pathPart === "..")
{
if (array_pop($arPathStack) === null)
throw new InvalidPathException($path);
}
else
{
array_push($arPathStack, $pathPart);
}
}
$pathTmp = implode("/", $arPathStack);
}
$pathTmp = rtrim($pathTmp, $tailPattern);
if (mb_substr($path, 0, 1) === "/" && mb_substr($pathTmp, 0, 1) !== "/")
$pathTmp = "/".$pathTmp;
if ($pathTmp === '')
$pathTmp = "/";
return $pathTmp;
}
public static function getExtension($path)
{
$path = self::getName($path);
if ($path != '')
{
$pos = Text\UtfSafeString::getLastPosition($path, '.');
if ($pos !== false)
return mb_substr($path, $pos + 1);
}
return '';
}
public static function getName($path)
{
//$path = self::normalize($path);
$p = Text\UtfSafeString::getLastPosition($path, self::DIRECTORY_SEPARATOR);
if ($p !== false)
return mb_substr($path, $p + 1);
return $path;
}
public static function getDirectory($path)
{
return mb_substr($path, 0, -mb_strlen(self::getName($path)) - 1);
}
public static function convertLogicalToPhysical($path)
{
if (self::$physicalEncoding == "")
self::$physicalEncoding = self::getPhysicalEncoding();
if (self::$logicalEncoding == "")
self::$logicalEncoding = self::getLogicalEncoding();
if (self::$physicalEncoding == self::$logicalEncoding)
return $path;
return Text\Encoding::convertEncoding($path, self::$logicalEncoding, self::$physicalEncoding);
}
public static function convertPhysicalToLogical($path)
{
if (self::$physicalEncoding == "")
self::$physicalEncoding = self::getPhysicalEncoding();
if (self::$logicalEncoding == "")
self::$logicalEncoding = self::getLogicalEncoding();
if (self::$physicalEncoding == self::$logicalEncoding)
return $path;
return Text\Encoding::convertEncoding($path, self::$physicalEncoding, self::$logicalEncoding);
}
public static function convertLogicalToUri($path)
{
if (self::$logicalEncoding == "")
self::$logicalEncoding = self::getLogicalEncoding();
if (self::$directoryIndex == null)
self::$directoryIndex = self::getDirectoryIndexArray();
if (isset(self::$directoryIndex[self::getName($path)]))
$path = self::getDirectory($path)."/";
if ('utf-8' !== self::$logicalEncoding)
$path = Text\Encoding::convertEncoding($path, self::$logicalEncoding, 'utf-8');
return implode('/', array_map("rawurlencode", explode('/', $path)));
}
public static function convertPhysicalToUri($path)
{
if (self::$physicalEncoding == "")
self::$physicalEncoding = self::getPhysicalEncoding();
if (self::$directoryIndex == null)
self::$directoryIndex = self::getDirectoryIndexArray();
if (isset(self::$directoryIndex[self::getName($path)]))
$path = self::getDirectory($path)."/";
if ('utf-8' !== self::$physicalEncoding)
$path = Text\Encoding::convertEncoding($path, self::$physicalEncoding, 'utf-8');
return implode('/', array_map("rawurlencode", explode('/', $path)));
}
public static function convertUriToPhysical($path)
{
if (self::$physicalEncoding == "")
self::$physicalEncoding = self::getPhysicalEncoding();
if (self::$directoryIndex == null)
self::$directoryIndex = self::getDirectoryIndexArray();
$path = implode('/', array_map("rawurldecode", explode('/', $path)));
if ('utf-8' !== self::$physicalEncoding)
$path = Text\Encoding::convertEncoding($path, 'utf-8', self::$physicalEncoding);
return $path;
}
protected static function getLogicalEncoding()
{
if (defined('BX_UTF'))
$logicalEncoding = "utf-8";
elseif (defined("SITE_CHARSET") && (SITE_CHARSET <> ''))
$logicalEncoding = SITE_CHARSET;
elseif (defined("LANG_CHARSET") && (LANG_CHARSET <> ''))
$logicalEncoding = LANG_CHARSET;
elseif (defined("BX_DEFAULT_CHARSET"))
$logicalEncoding = BX_DEFAULT_CHARSET;
else
$logicalEncoding = "windows-1251";
return mb_strtolower($logicalEncoding);
}
protected static function getPhysicalEncoding()
{
$physicalEncoding = defined("BX_FILE_SYSTEM_ENCODING") ? BX_FILE_SYSTEM_ENCODING : "";
if ($physicalEncoding == "")
{
if (mb_strtoupper(mb_substr(PHP_OS, 0, 3)) === "WIN")
$physicalEncoding = "windows-1251";
else
$physicalEncoding = "utf-8";
}
return mb_strtolower($physicalEncoding);
}
public static function combine()
{
$numArgs = func_num_args();
if ($numArgs <= 0)
return "";
$arParts = array();
for ($i = 0; $i < $numArgs; $i++)
{
$arg = func_get_arg($i);
if (is_array($arg))
{
if (empty($arg))
continue;
foreach ($arg as $v)
{
if (!is_string($v) || $v == "")
continue;
$arParts[] = $v;
}
}
elseif (is_string($arg))
{
if ($arg == "")
continue;
$arParts[] = $arg;
}
}
$result = "";
foreach ($arParts as $part)
{
if ($result !== "")
$result .= self::DIRECTORY_SEPARATOR;
$result .= $part;
}
$result = self::normalize($result);
return $result;
}
public static function convertRelativeToAbsolute($relativePath)
{
if (!is_string($relativePath))
throw new Main\ArgumentTypeException("relativePath", "string");
if ($relativePath == "")
throw new Main\ArgumentNullException("relativePath");
return self::combine($_SERVER["DOCUMENT_ROOT"], $relativePath);
}
public static function convertSiteRelativeToAbsolute($relativePath, $site = null)
{
if (!is_string($relativePath) || $relativePath == "")
$site = SITE_ID;
$basePath = Main\SiteTable::getDocumentRoot($site);
return self::combine($basePath, $relativePath);
}
protected static function validateCommon($path)
{
if (!is_string($path))
{
return false;
}
if (trim($path) == "")
{
return false;
}
if (mb_strpos($path, "\0") !== false)
{
return false;
}
if(preg_match("#(".self::INVALID_FILENAME_BYTES.")#", $path))
{
return false;
}
return true;
}
public static function validate($path)
{
if(!static::validateCommon($path))
{
return false;
}
return (preg_match("#^([a-z]:)?/([^\x01-\x1F".preg_quote(self::INVALID_FILENAME_CHARS, "#")."]+/?)*$#isD", $path) > 0);
}
public static function validateFilename($filename)
{
if(!static::validateCommon($filename))
{
return false;
}
return (preg_match("#^[^\x01-\x1F".preg_quote(self::INVALID_FILENAME_CHARS, "#")."]+$#isD", $filename) > 0);
}
/**
* @param string $filename
* @param callable $callback
* @return string
*/
public static function replaceInvalidFilename($filename, $callback)
{
return preg_replace_callback(
"#([\x01-\x1F".preg_quote(self::INVALID_FILENAME_CHARS, "#")."]|".self::INVALID_FILENAME_BYTES.")#",
$callback,
$filename
);
}
/**
* @param string $filename
* @return string
*/
public static function randomizeInvalidFilename($filename)
{
return static::replaceInvalidFilename($filename,
function()
{
return chr(rand(97, 122));
}
);
}
public static function isAbsolute($path)
{
return (mb_substr($path, 0, 1) === "/") || preg_match("#^[a-z]:/#i", $path);
}
protected static function getDirectoryIndexArray()
{
static $directoryIndexDefault = array("index.php" => 1, "index.html" => 1, "index.htm" => 1, "index.phtml" => 1, "default.html" => 1, "index.php3" => 1);
$directoryIndex = Main\Config\Configuration::getValue("directory_index");
if ($directoryIndex !== null)
return $directoryIndex;
return $directoryIndexDefault;
}
}