<?php
/*
 * FCKeditor - The text editor for Internet - http://www.fckeditor.net
 * Copyright (C) 2003-2008 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 PHP.
 */

function GetFolders( $resourceType, $currentFolder )
{
    // Map the virtual path to the local server path.
    $sServerDir = ServerMapFolder( $resourceType, $currentFolder, 'GetFolders' ) ;

    // Array that will hold the folders names.
    $aFolders    = array() ;

    $oCurrentFolder = opendir( $sServerDir ) ;

    while ( $sFile = readdir( $oCurrentFolder ) )
    {
        if ( $sFile != '.' && $sFile != '..' && is_dir( $sServerDir . $sFile ) )
            $aFolders[] = '<Folder name="' . ConvertToXmlAttribute( $sFile ) . '" />' ;
    }

    closedir( $oCurrentFolder ) ;

    // Open the "Folders" node.
    echo "<Folders>" ;

    natcasesort( $aFolders ) ;
    foreach ( $aFolders as $sFolder )
        echo $sFolder ;

    // Close the "Folders" node.
    echo "</Folders>" ;
}

function GetFoldersAndFiles( $resourceType, $currentFolder )
{
    // Map the virtual path to the local server path.
    $sServerDir = ServerMapFolder( $resourceType, $currentFolder, 'GetFoldersAndFiles' ) ;

    // Arrays that will hold the folders and files names.
    $aFolders    = array() ;
    $aFiles        = array() ;

    $oCurrentFolder = opendir( $sServerDir ) ;

    while ( $sFile = readdir( $oCurrentFolder ) )
    {
        if ( $sFile != '.' && $sFile != '..' )
        {
            if ( is_dir( $sServerDir . $sFile ) )
                $aFolders[] = '<Folder name="' . ConvertToXmlAttribute( $sFile ) . '" />' ;
            else
            {
                $iFileSize = @filesize( $sServerDir . $sFile ) ;
                if ( !$iFileSize ) {
                    $iFileSize = 0 ;
                }
                if ( $iFileSize > 0 )
                {
                    $iFileSize = round( $iFileSize / 1024 ) ;
                    if ( $iFileSize < 1 ) $iFileSize = 1 ;
                }

                $aFiles[] = '<File name="' . ConvertToXmlAttribute( $sFile ) . '" size="' . $iFileSize . '" />' ;
            }
        }
    }

    // Send the folders
    natcasesort( $aFolders ) ;
    echo '<Folders>' ;

    foreach ( $aFolders as $sFolder )
        echo $sFolder ;

    echo '</Folders>' ;

    // Send the files
    natcasesort( $aFiles ) ;
    echo '<Files>' ;

    foreach ( $aFiles as $sFiles )
        echo $sFiles ;

    echo '</Files>' ;
}

function CreateFolder( $resourceType, $currentFolder )
{
    if (!isset($_GET)) {
        global $_GET;
    }
    $sErrorNumber    = '0' ;
    $sErrorMsg        = '' ;

    if ( isset( $_GET['NewFolderName'] ) )
    {
        $sNewFolderName = $_GET['NewFolderName'] ;
        $sNewFolderName = SanitizeFolderName( $sNewFolderName ) ;

        if ( strpos( $sNewFolderName, '..' ) !== FALSE )
            $sErrorNumber = '102' ;        // Invalid folder name.
        else
        {
            // Map the virtual path to the local server path of the current folder.
            $sServerDir = ServerMapFolder( $resourceType, $currentFolder, 'CreateFolder' ) ;

            if ( is_writable( $sServerDir ) )
            {
                $sServerDir .= $sNewFolderName ;

                $sErrorMsg = CreateServerFolder( $sServerDir ) ;

                switch ( $sErrorMsg )
                {
                    case '' :
                        $sErrorNumber = '0' ;
                        break ;
                    case 'Invalid argument' :
                    case 'No such file or directory' :
                        $sErrorNumber = '102' ;        // Path too long.
                        break ;
                    default :
                        $sErrorNumber = '110' ;
                        break ;
                }
            }
            else
                $sErrorNumber = '103' ;
        }
    }
    else
        $sErrorNumber = '102' ;

    // Create the "Error" node.
    echo '<Error number="' . $sErrorNumber . '" originalDescription="' . ConvertToXmlAttribute( $sErrorMsg ) . '" />' ;
}

function FileUpload( $resourceType, $currentFolder, $sCommand )
{
    if (!isset($_FILES)) {
        global $_FILES;
    }

    $sErrorNumber = '0' ;
    $sFileName = '' ;

    if ( isset( $_FILES['NewFile'] ) && !is_null( $_FILES['NewFile']['tmp_name'] ) )
    {
        global $Config ;

        $oFile = $_FILES['NewFile'] ;

        // Map the virtual path to the local server path.
        $sServerDir = ServerMapFolder( $resourceType, $currentFolder, $sCommand ) ;

        // Get the uploaded file name.
        $sFileName = $oFile['name'] ;
        $sFileName = SanitizeFileName( $sFileName ) ;

        $sOriginalFileName = $sFileName ;

        // Get the extension.
        $sExtension = substr( $sFileName, ( strrpos($sFileName, '.') + 1 ) ) ;
        $sExtension = strtolower( $sExtension ) ;

        if ( isset( $Config['SecureImageUploads'] ) )
        {
            if ( ( $isImageValid = IsImageValid( $oFile['tmp_name'], $sExtension ) ) === false )
            {
                $sErrorNumber = '202' ;
            }
        }

        if ( isset( $Config['HtmlExtensions'] ) )
        {
            if ( !IsHtmlExtension( $sExtension, $Config['HtmlExtensions'] ) &&
                ( $detectHtml = DetectHtml( $oFile['tmp_name'] ) ) === true )
            {
                $sErrorNumber = '202' ;
            }
        }

        // Check if it is an allowed extension.
        if ( !$sErrorNumber && IsAllowedExt( $sExtension, $resourceType ) )
        {
            $iCounter = 0 ;

            while ( true )
            {
                $sFilePath = $sServerDir . $sFileName ;

                if ( is_file( $sFilePath ) )
                {
                    $iCounter++ ;
                    $sFileName = RemoveExtension( $sOriginalFileName ) . '(' . $iCounter . ').' . $sExtension ;
                    $sErrorNumber = '201' ;
                }
                else
                {
                    move_uploaded_file( $oFile['tmp_name'], $sFilePath ) ;

                    //判断并给符合条件图片加上水印
                    if ($sExtension == 'jpg' || $sExtension == 'jpeg' || $sExtension == 'png' || $sExtension == 'gif' || $sExtension == 'bmp' )
                    {
                        require_once(ROOT_PATH . '/includes/cls_image.php');
                        $image = new cls_image($GLOBALS['_CFG']['bgcolor']);

                        if (intval($GLOBALS['_CFG']['watermark_place']) > 0 && !empty($GLOBALS['_CFG']['watermark']))
                        {
                            $image->add_watermark($sFilePath,'','../../../../../'.$GLOBALS['_CFG']['watermark'], $GLOBALS['_CFG']['watermark_place'], $GLOBALS['_CFG']['watermark_alpha']);
                        }
                    }

                    if ( is_file( $sFilePath ) )
                    {
                        if ( isset( $Config['ChmodOnUpload'] ) && !$Config['ChmodOnUpload'] )
                        {
                            break ;
                        }

                        $permissions = 0777;

                        if ( isset( $Config['ChmodOnUpload'] ) && $Config['ChmodOnUpload'] )
                        {
                            $permissions = $Config['ChmodOnUpload'] ;
                        }

                        $oldumask = umask(0) ;
                        chmod( $sFilePath, $permissions ) ;
                        umask( $oldumask ) ;
                    }

                    break ;
                }
            }

            if ( file_exists( $sFilePath ) )
            {
                //previous checks failed, try once again
                if ( isset( $isImageValid ) && $isImageValid === -1 && IsImageValid( $sFilePath, $sExtension ) === false )
                {
                    @unlink( $sFilePath ) ;
                    $sErrorNumber = '202' ;
                }
                else if ( isset( $detectHtml ) && $detectHtml === -1 && DetectHtml( $sFilePath ) === true )
                {
                    @unlink( $sFilePath ) ;
                    $sErrorNumber = '202' ;
                }
            }
        }
        else
            $sErrorNumber = '202' ;
    }
    else
        $sErrorNumber = '202' ;


    $sFileUrl = CombinePaths( GetResourceTypePath( $resourceType, $sCommand ) , $currentFolder ) ;
    $sFileUrl = CombinePaths( $sFileUrl, $sFileName ) ;

    SendUploadResults( $sErrorNumber, $sFileUrl, $sFileName ) ;

    exit ;
}

function MoreFileUpload( $resourceType, $currentFolder, $sCommand )
{
    if (!isset($_FILES)) {
        global $_FILES;
    }

    global $Config ;
    $sErrorNumber = '0' ;
    $sFileName = '' ;

    if ( is_array($_FILES['NewFile']['name']) )
    {
        foreach ( $_FILES['NewFile']['name'] as $key => $value )
        {
            if ( !empty ( $_FILES['NewFile']['tmp_name'][$key] ) )
            {
                // Map the virtual path to the local server path.
                $sServerDir = ServerMapFolder( $resourceType, $currentFolder, $sCommand ) ;

                // Get the uploaded file name.
                $sFileName = $_FILES['NewFile']['name'][$key] ;
                $sFileName = SanitizeFileName( $sFileName ) ;

                $sOriginalFileName = $sFileName ;

                // Get the extension.
                $sExtension = substr( $sFileName, ( strrpos($sFileName, '.') + 1 ) ) ;
                $sExtension = strtolower( $sExtension ) ;

                if ( isset( $Config['SecureImageUploads'] ) )
                {
                    if ( ( $isImageValid = IsImageValid( $_FILES['NewFile']['tmp_name'][$key], $sExtension ) ) === false )
                    {
                        $sErrorNumber = '202' ;
                    }
                }

                if ( isset( $Config['HtmlExtensions'] ) )
                {
                    if ( !IsHtmlExtension( $sExtension, $Config['HtmlExtensions'] ) &&
                        ( $detectHtml = DetectHtml( $_FILES['NewFile']['tmp_name'][$key] ) ) === true )
                    {
                        $sErrorNumber = '202' ;
                    }
                }

                // Check if it is an allowed extension.
                if ( !$sErrorNumber && IsAllowedExt( $sExtension, $resourceType ) )
                {
                    $iCounter = 0 ;

                    while ( true )
                    {
                        $sFilePath = $sServerDir . $sFileName ;

                        if ( is_file( $sFilePath ) )
                        {
                            $iCounter++ ;
                            $sFileName = RemoveExtension( $sOriginalFileName ) . '(' . $iCounter . ').' . $sExtension ;
                            $sErrorNumber = '201' ;
                        }
                        else
                        {
                            move_uploaded_file( $_FILES['NewFile']['tmp_name'][$key], $sFilePath ) ;

                            //判断并给符合条件图片加上水印
                            if ($sExtension == 'jpg' || $sExtension == 'jpeg' || $sExtension == 'png' || $sExtension == 'gif' || $sExtension == 'bmp' )
                            {
                                require_once(ROOT_PATH . '/includes/cls_image.php');
                                $image = new cls_image($GLOBALS['_CFG']['bgcolor']);

                                if (intval($GLOBALS['_CFG']['watermark_place']) > 0 && !empty($GLOBALS['_CFG']['watermark']))
                                {
                                    $image->add_watermark($sFilePath,'','../../../../../'.$GLOBALS['_CFG']['watermark'], $GLOBALS['_CFG']['watermark_place'], $GLOBALS['_CFG']['watermark_alpha']);
                                }
                            }

                            if ( is_file( $sFilePath ) )
                            {
                                if ( isset( $Config['ChmodOnUpload'] ) && !$Config['ChmodOnUpload'] )
                                {
                                    break ;
                                }

                                $permissions = 0777;

                                if ( isset( $Config['ChmodOnUpload'] ) && $Config['ChmodOnUpload'] )
                                {
                                    $permissions = $Config['ChmodOnUpload'] ;
                                }

                                $oldumask = umask(0) ;
                                chmod( $sFilePath, $permissions ) ;
                                umask( $oldumask ) ;
                            }

                            break ;
                        }
                    }

                    if ( file_exists( $sFilePath ) )
                    {
                        //previous checks failed, try once again
                        if ( isset( $isImageValid ) && $isImageValid === -1 && IsImageValid( $sFilePath, $sExtension ) === false )
                        {
                            @unlink( $sFilePath ) ;
                            $sErrorNumber = '202' ;
                        }
                        else if ( isset( $detectHtml ) && $detectHtml === -1 && DetectHtml( $sFilePath ) === true )
                        {
                            @unlink( $sFilePath ) ;
                            $sErrorNumber = '202' ;
                        }
                    }
                }
                else
                    $sErrorNumber = '202' ;

                    if ( $sErrorNumber == '202' )
                    {
                        $sFileUrl = CombinePaths( GetResourceTypePath( $resourceType, $sCommand ) , $currentFolder ) ;
                        $sFileUrl = CombinePaths( $sFileUrl, $sFileName ) ;

                        SendUploadResults( $sErrorNumber, $sFileUrl, $sFileName) ;
                    }
            }
            else
            {
                continue;
            }
        }

        $sFileUrl = CombinePaths( GetResourceTypePath( $resourceType, $sCommand ) , $currentFolder ) ;
        $sFileUrl = CombinePaths( $sFileUrl, $sFileName ) ;

        SendUploadResults( $sErrorNumber, $sFileUrl, $sFileName, $key) ;
    }
    else
    {
        $sErrorNumber = '202' ;
        $sFileUrl = CombinePaths( GetResourceTypePath( $resourceType, $sCommand ) , $currentFolder ) ;
        $sFileUrl = CombinePaths( $sFileUrl, $sFileName ) ;

        SendUploadResults( $sErrorNumber, $sFileUrl, $sFileName ) ;
    }

    exit ;
}
?>