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<?php
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/*
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* FCKeditor - The text editor for Internet - http://www.fckeditor.net
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* Copyright (C) 2003-2010 Frederico Caldeira Knabben
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*
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* == BEGIN LICENSE ==
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*
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* Licensed under the terms of any of the following licenses at your
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* choice:
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*
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* - GNU General Public License Version 2 or later (the "GPL")
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* http://www.gnu.org/licenses/gpl.html
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*
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* - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
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* http://www.gnu.org/licenses/lgpl.html
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*
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* - Mozilla Public License Version 1.1 or later (the "MPL")
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* http://www.mozilla.org/MPL/MPL-1.1.html
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*
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* == END LICENSE ==
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*
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* This is the File Manager Connector for PHP.
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*/
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function CombinePaths( $sBasePath, $sFolder )
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{
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return RemoveFromEnd( $sBasePath, '/' ) . '/' . RemoveFromStart( $sFolder, '/' ) ;
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}
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function GetResourceTypePath( $resourceType, $sCommand )
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{
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global $Config ;
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if ( $sCommand == "QuickUpload")
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return $Config['QuickUploadPath'][$resourceType] ;
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else
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return $Config['FileTypesPath'][$resourceType] ;
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}
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function GetResourceTypeDirectory( $resourceType, $sCommand )
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{
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global $Config ;
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if ( $sCommand == "QuickUpload")
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{
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if ( strlen( $Config['QuickUploadAbsolutePath'][$resourceType] ) > 0 )
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return $Config['QuickUploadAbsolutePath'][$resourceType] ;
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// Map the "UserFiles" path to a local directory.
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return Server_MapPath( $Config['QuickUploadPath'][$resourceType] ) ;
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}
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else
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{
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if ( strlen( $Config['FileTypesAbsolutePath'][$resourceType] ) > 0 )
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return $Config['FileTypesAbsolutePath'][$resourceType] ;
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// Map the "UserFiles" path to a local directory.
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return Server_MapPath( $Config['FileTypesPath'][$resourceType] ) ;
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}
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}
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function GetUrlFromPath( $resourceType, $folderPath, $sCommand )
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{
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return CombinePaths( GetResourceTypePath( $resourceType, $sCommand ), $folderPath ) ;
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}
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function RemoveExtension( $fileName )
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{
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return substr( $fileName, 0, strrpos( $fileName, '.' ) ) ;
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}
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function ServerMapFolder( $resourceType, $folderPath, $sCommand )
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{
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// Get the resource type directory.
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$sResourceTypePath = GetResourceTypeDirectory( $resourceType, $sCommand ) ;
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// Ensure that the directory exists.
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$sErrorMsg = CreateServerFolder( $sResourceTypePath ) ;
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if ( $sErrorMsg != '' )
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SendError( 1, "Error creating folder \"{$sResourceTypePath}\" ({$sErrorMsg})" ) ;
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// Return the resource type directory combined with the required path.
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return CombinePaths( $sResourceTypePath , $folderPath ) ;
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}
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function GetParentFolder( $folderPath )
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{
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$sPattern = "-[/\\\\][^/\\\\]+[/\\\\]?$-" ;
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return preg_replace( $sPattern, '', $folderPath ) ;
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}
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function CreateServerFolder( $folderPath, $lastFolder = null )
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{
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global $Config ;
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$sParent = GetParentFolder( $folderPath ) ;
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// Ensure the folder path has no double-slashes, or mkdir may fail on certain platforms
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while ( strpos($folderPath, '//') !== false )
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{
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$folderPath = str_replace( '//', '/', $folderPath ) ;
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}
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// Check if the parent exists, or create it.
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if ( !empty($sParent) && !file_exists( $sParent ) )
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{
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//prevents agains infinite loop when we can't create root folder
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if ( !is_null( $lastFolder ) && $lastFolder === $sParent) {
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return "Can't create $folderPath directory" ;
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}
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$sErrorMsg = CreateServerFolder( $sParent, $folderPath ) ;
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if ( $sErrorMsg != '' )
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return $sErrorMsg ;
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}
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if ( !file_exists( $folderPath ) )
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{
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// Turn off all error reporting.
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error_reporting( 0 ) ;
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$php_errormsg = '' ;
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// Enable error tracking to catch the error.
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ini_set( 'track_errors', '1' ) ;
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if ( isset( $Config['ChmodOnFolderCreate'] ) && !$Config['ChmodOnFolderCreate'] )
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{
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mkdir( $folderPath ) ;
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}
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else
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{
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$permissions = 0777 ;
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if ( isset( $Config['ChmodOnFolderCreate'] ) )
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{
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$permissions = $Config['ChmodOnFolderCreate'] ;
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}
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// To create the folder with 0777 permissions, we need to set umask to zero.
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$oldumask = umask(0) ;
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mkdir( $folderPath, $permissions ) ;
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umask( $oldumask ) ;
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}
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$sErrorMsg = $php_errormsg ;
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// Restore the configurations.
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ini_restore( 'track_errors' ) ;
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ini_restore( 'error_reporting' ) ;
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return $sErrorMsg ;
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}
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else
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return '' ;
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}
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function GetRootPath()
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{
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if (!isset($_SERVER)) {
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global $_SERVER;
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}
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$sRealPath = realpath( './' ) ;
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// #2124 ensure that no slash is at the end
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$sRealPath = rtrim($sRealPath,"\\/");
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$sSelfPath = $_SERVER['PHP_SELF'] ;
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$sSelfPath = substr( $sSelfPath, 0, strrpos( $sSelfPath, '/' ) ) ;
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$sSelfPath = str_replace( '/', DIRECTORY_SEPARATOR, $sSelfPath ) ;
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$position = strpos( $sRealPath, $sSelfPath ) ;
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// This can check only that this script isn't run from a virtual dir
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// But it avoids the problems that arise if it isn't checked
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if ( $position === false || $position <> strlen( $sRealPath ) - strlen( $sSelfPath ) )
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SendError( 1, 'Sorry, can\'t map "UserFilesPath" to a physical path. You must set the "UserFilesAbsolutePath" value in "editor/filemanager/connectors/php/config.php".' ) ;
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return substr( $sRealPath, 0, $position ) ;
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}
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// Emulate the asp Server.mapPath function.
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// given an url path return the physical directory that it corresponds to
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function Server_MapPath( $path )
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{
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// This function is available only for Apache
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if ( function_exists( 'apache_lookup_uri' ) )
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{
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$info = apache_lookup_uri( $path ) ;
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return $info->filename . $info->path_info ;
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}
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// This isn't correct but for the moment there's no other solution
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// If this script is under a virtual directory or symlink it will detect the problem and stop
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return GetRootPath() . $path ;
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}
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function IsAllowedExt( $sExtension, $resourceType )
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{
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global $Config ;
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// Get the allowed and denied extensions arrays.
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$arAllowed = $Config['AllowedExtensions'][$resourceType] ;
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$arDenied = $Config['DeniedExtensions'][$resourceType] ;
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if ( count($arAllowed) > 0 && !in_array( $sExtension, $arAllowed ) )
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return false ;
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if ( count($arDenied) > 0 && in_array( $sExtension, $arDenied ) )
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return false ;
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return true ;
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}
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function IsAllowedType( $resourceType )
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{
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global $Config ;
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if ( !in_array( $resourceType, $Config['ConfigAllowedTypes'] ) )
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return false ;
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return true ;
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}
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function IsAllowedCommand( $sCommand )
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{
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global $Config ;
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if ( !in_array( $sCommand, $Config['ConfigAllowedCommands'] ) )
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return false ;
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return true ;
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}
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function GetCurrentFolder()
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{
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if (!isset($_GET)) {
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global $_GET;
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}
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$sCurrentFolder = isset( $_GET['CurrentFolder'] ) ? $_GET['CurrentFolder'] : '/' ;
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// Check the current folder syntax (must begin and start with a slash).
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if ( !preg_match( '|/$|', $sCurrentFolder ) )
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$sCurrentFolder .= '/' ;
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if ( strpos( $sCurrentFolder, '/' ) !== 0 )
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$sCurrentFolder = '/' . $sCurrentFolder ;
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// Ensure the folder path has no double-slashes
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while ( strpos ($sCurrentFolder, '//') !== false ) {
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$sCurrentFolder = str_replace ('//', '/', $sCurrentFolder) ;
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}
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// Check for invalid folder paths (..)
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if ( strpos( $sCurrentFolder, '..' ) || strpos( $sCurrentFolder, "\\" ))
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SendError( 102, '' ) ;
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if ( preg_match(",(/\.)|[[:cntrl:]]|(//)|(\\\\)|([\:\*\?\"\<\>\|]),", $sCurrentFolder))
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SendError( 102, '' ) ;
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return $sCurrentFolder ;
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}
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// Do a cleanup of the folder name to avoid possible problems
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function SanitizeFolderName( $sNewFolderName )
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{
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$sNewFolderName = stripslashes( $sNewFolderName ) ;
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// Remove . \ / | : ? * " < >
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$sNewFolderName = preg_replace( '/\\.|\\\\|\\/|\\||\\:|\\?|\\*|"|<|>|[[:cntrl:]]/', '_', $sNewFolderName ) ;
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return $sNewFolderName ;
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}
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// Do a cleanup of the file name to avoid possible problems
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function SanitizeFileName( $sNewFileName )
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{
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global $Config ;
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$sNewFileName = stripslashes( $sNewFileName ) ;
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// Replace dots in the name with underscores (only one dot can be there... security issue).
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if ( $Config['ForceSingleExtension'] )
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$sNewFileName = preg_replace( '/\\.(?![^.]*$)/', '_', $sNewFileName ) ;
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// Remove \ / | : ? * " < >
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$sNewFileName = preg_replace( '/\\\\|\\/|\\||\\:|\\?|\\*|"|<|>|[[:cntrl:]]/', '_', $sNewFileName ) ;
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return $sNewFileName ;
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}
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// This is the function that sends the results of the uploading process.
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function SendUploadResults( $errorNumber, $fileUrl = '', $fileName = '', $customMsg = '' )
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{
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// Minified version of the document.domain automatic fix script (#1919).
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// The original script can be found at _dev/domain_fix_template.js
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echo <<<EOF
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<script type="text/javascript">
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(function(){var d=document.domain;while (true){try{var A=window.parent.document.domain;break;}catch(e) {};d=d.replace(/.*?(?:\.|$)/,'');if (d.length==0) break;try{document.domain=d;}catch (e){break;}}})();
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EOF;
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if ($errorNumber && $errorNumber != 201) {
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$fileUrl = "";
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$fileName = "";
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}
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$rpl = array( '\\' => '\\\\', '"' => '\\"' ) ;
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echo 'window.parent.OnUploadCompleted(' . $errorNumber . ',"' . strtr( $fileUrl, $rpl ) . '","' . strtr( $fileName, $rpl ) . '", "' . strtr( $customMsg, $rpl ) . '") ;' ;
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echo '</script>' ;
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exit ;
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}
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// This is the function that sends the results of the uploading process to CKE.
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function SendCKEditorResults ($errorNumber, $CKECallback, $fileUrl, $fileName, $customMsg ='')
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{
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// Minified version of the document.domain automatic fix script (#1919).
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// The original script can be found at _dev/domain_fix_template.js
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echo <<<EOF
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<script type="text/javascript">
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(function(){var d=document.domain;while (true){try{var A=window.parent.document.domain;break;}catch(e) {};d=d.replace(/.*?(?:\.|$)/,'');if (d.length==0) break;try{document.domain=d;}catch (e){break;}}})();
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EOF;
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if ($errorNumber && $errorNumber != 201) {
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$fileUrl = "";
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$fileName= "";
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}
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$msg = "";
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switch ($errorNumber )
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{
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case 0 :
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$msg = "Upload successful";
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break;
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case 1 : // Custom error.
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$msg = $customMsg;
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break ;
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case 201 :
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$msg = 'A file with the same name is already available. The uploaded file has been renamed to "' . $fileName . '"' ;
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break ;
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case 202 :
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$msg = 'Invalid file' ;
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break ;
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default :
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$msg = 'Error on file upload. Error number: ' + $errorNumber ;
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break ;
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}
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$rpl = array( '\\' => '\\\\', '"' => '\\"' ) ;
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echo 'window.parent.CKEDITOR.tools.callFunction("'. $CKECallback. '","'. strtr($fileUrl, $rpl). '", "'. strtr( $msg, $rpl). '");' ;
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echo '</script>';
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}
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?>
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