Ticket #313: dos_connector.cgi

#!/usr/bin/env perl

#####
#  FCKeditor - The text editor for Internet - http://www.fckeditor.net
#  Copyright (C) 2003-2007 Frederico Caldeira Knabben
#
#  == BEGIN LICENSE ==
#
#  Licensed under the terms of any of the following licenses at your
#  choice:
#
#   - GNU General Public License Version 2 or later (the "GPL")
#     http://www.gnu.org/licenses/gpl.html
#
#   - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
#     http://www.gnu.org/licenses/lgpl.html
#
#   - Mozilla Public License Version 1.1 or later (the "MPL")
#     http://www.mozilla.org/MPL/MPL-1.1.html
#
#  == END LICENSE ==
#
#  This is the File Manager Connector for Perl.
#####

##
# ATTENTION: To enable this connector, look for the "SECURITY" comment in this file.
##

## START: Hack for Windows (Not important to understand the editor code... Perl specific).
if(Windows_check()) {
        chdir(GetScriptPath($0));
}

sub Windows_check
{
        # IIS,PWS(NT/95)
        $www_server_os = $^O;
        # Win98 & NT(SP4)
        if($www_server_os eq "") { $www_server_os= $ENV{'OS'}; }
        # AnHTTPd/Omni/IIS
        if($ENV{'SERVER_SOFTWARE'} =~ /AnWeb|Omni|IIS\//i) { $www_server_os= 'win'; }
        # Win Apache
        if($ENV{'WINDIR'} ne "") { $www_server_os= 'win'; }
        if($www_server_os=~ /win/i) { return(1); }
        return(0);
}

sub GetScriptPath {
        local($path) = @_;
        if($path =~ /[\:\/\\]/) { $path =~ s/(.*?)[\/\\][^\/\\]+$/$1/; } else { $path = '.'; }
        $path;
}
## END: Hack for IIS

require 'util.pl';
require 'io.pl';
require 'basexml.pl';
require 'commands.pl';
require 'upload_fck.pl';

##
# SECURITY: REMOVE/COMMENT THE FOLLOWING LINE TO ENABLE THIS CONNECTOR.
##
&SendError( 1, 'This connector is disabled. Please check the "editor/filemanager/browser/default/connectors/perl/connector.cgi" file' ) ;

        &read_input();

        if($FORM{'ServerPath'} ne "") {
                $GLOBALS{'UserFilesPath'} = $FORM{'ServerPath'};
                if(!($GLOBALS{'UserFilesPath'} =~ /\/$/)) {
                        $GLOBALS{'UserFilesPath'} .= '/' ;
                }
        } else {
                $GLOBALS{'UserFilesPath'} = '/userfiles/';
        }

        # Map the "UserFiles" path to a local directory.
        $rootpath = &GetRootPath();
        $GLOBALS{'UserFilesDirectory'} = $rootpath . $GLOBALS{'UserFilesPath'};

        &DoResponse();

sub DoResponse
{

        if($FORM{'Command'} eq "" || $FORM{'Type'} eq "" || $FORM{'CurrentFolder'} eq "") {
                return ;
        }
        # Get the main request informaiton.
        $sCommand               = $FORM{'Command'};
        $sResourceType  = $FORM{'Type'};
        $sCurrentFolder = $FORM{'CurrentFolder'};

        # Check the current folder syntax (must begin and start with a slash).
        if(!($sCurrentFolder =~ /\/$/)) {
                $sCurrentFolder .= '/';
        }
        if(!($sCurrentFolder =~ /^\//)) {
                $sCurrentFolder = '/' . $sCurrentFolder;
        }

        # Check for invalid folder paths (..)
        if ( $sCurrentFolder =~ /\.\./ ) {
                SendError( 102, "" ) ;
        }

        # File Upload doesn't have to Return XML, so it must be intercepted before anything.
        if($sCommand eq 'FileUpload') {
                FileUpload($sResourceType,$sCurrentFolder);
                return ;
        }

        print << "_HTML_HEAD_";
Content-Type:text/xml; charset=utf-8
Pragma: no-cache
Cache-Control: no-cache
Expires: Thu, 01 Dec 1994 16:00:00 GMT

_HTML_HEAD_

        &CreateXmlHeader($sCommand,$sResourceType,$sCurrentFolder);

        # Execute the required command.
        if($sCommand eq 'GetFolders') {
                &GetFolders($sResourceType,$sCurrentFolder);
        } elsif($sCommand eq 'GetFoldersAndFiles') {
                &GetFoldersAndFiles($sResourceType,$sCurrentFolder);
        } elsif($sCommand eq 'CreateFolder') {
                &CreateFolder($sResourceType,$sCurrentFolder);
        }

        &CreateXmlFooter();

        exit ;
}