[php:localVolDrv]fix #653, #784 problem of _inpath

php/elFinderVolumeLocalFileSystem.class.php

@@ -237,7 +237,12 @@ protected function _path($path) {
 	 * @author Dmitry (dio) Levashov
 	 **/
 	protected function _inpath($path, $parent) {
-		return $path == $parent || strpos($path, $parent.DIRECTORY_SEPARATOR) === 0;
+		$real_path = realpath($path);
+		$real_parent = realpath($parent);
+		if ($real_path && $real_parent) {
+			return $path === $parent || strpos($real_path, $real_parent.DIRECTORY_SEPARATOR) === 0;
+		}
+		return false;
 	}
 
 
@@ -275,7 +280,7 @@ protected function _stat($path) {
 			// for Inheritance class ( not calling parent::configure() )
 			$this->aroot = realpath($this->root);
 		}
-		if (!$this->_inpath(realpath($path), $this->aroot)) {
+		if (!$this->_inpath($path, $this->aroot)) {
 			return $stat;
 		}
 
@@ -367,16 +372,8 @@ protected function readlink($path) {
 			$target = dirname($path).DIRECTORY_SEPARATOR.$target;
 		}
 
-		$atarget = realpath($target);
-
-		if (!$atarget) {
-			return false;
-		}
-
-		$root  = $this->root;
-		$aroot = $this->aroot;
-
-		if ($this->_inpath($atarget, $this->aroot)) {
+		if ($this->_inpath($target, $this->aroot)) {
+			$atarget = realpath($target);
 			return $this->_normpath($this->root.DIRECTORY_SEPARATOR.substr($atarget, strlen($this->aroot)+1));
 		}