<?php
/**
*
* Copyright (C) 2011 Consórcio Expresso Livre - 4Linux (www.4linux.com.br) e Prognus Software Livre (www.prognus.com.br)
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU Affero General Public License version 3 as published by
* the Free Software Foundation with the addition of the following permission
* added to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED
* WORK IN WHICH THE COPYRIGHT IS OWNED BY FUNAMBOL, FUNAMBOL DISCLAIMS THE
* WARRANTY OF NON INFRINGEMENT  OF THIRD PARTY RIGHTS.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program; if not, see www.gnu.org/licenses or write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA.
*
* This code is based on the OpenXchange Connector and on the Prognus pSync
* Connector both developed by the community and licensed under the GPL
* version 2 or above as published by the Free Software Foundation.
*
* You can contact Prognus Software Livre headquarters at Av. Tancredo Neves,
* 6731, PTI, Bl. 05, Esp. 02, Sl. 10, Foz do Iguaçu - PR - Brasil or at
* e-mail address prognus@prognus.com.br.
*
*
* @package    expressoMail
* @license    http://www.gnu.org/copyleft/gpl.html GPL
* @author     Consórcio Expresso Livre - 4Linux (www.4linux.com.br) e Prognus Software Livre (www.prognus.com.br)
* @version    1.0
* @sponsor    Caixa Econômica Federal
*/

/*
 * Definitions
 */
if(!isset($GLOBALS['phpgw_info']))
{
    $GLOBALS['phpgw_info']['flags'] = array(
            'currentapp' => 'expressoMail1_2',
            'nonavbar'   => true,
            'noheader'   => true
    );
}

$GLOBALS['phpgw_info']['server']['download_temp_dir'] = '/tmp';
//-----------------------//

/*
 * Requires
 */
require_once 'class.attachment.inc.php';
require_once '../../header.inc.php';
//-----------------------//

/*
 * Get variables
 */
$newFilename = urldecode($_GET['newFilename']);
$indexFile = $_GET['idx_file'];
$indexPart = $_GET['indexPart'];
$msgNumber = $_GET['msgNumber'];
$msgFolder = $_GET['msgFolder'];
//----------------------------------------------//


/**
* Método que faz o download do arquivo
*
* @license    http://www.gnu.org/copyleft/gpl.html GPL
* @author     Consórcio Expresso Livre - 4Linux (www.4linux.com.br) e Prognus Software Livre (www.prognus.com.br)
* @sponsor    Caixa Econômica Federal
* @param  $strFileType
* @param  $strFileName
* @param  $newFileName
* @param  $fileContent
*/
function downloadFile($strFileType, $strFileName, $newFileName, $fileContent) {

        $ContentType = "application/octet-stream";

        if ($strFileType == ".asf")
                $ContentType = "video/x-ms-asf";
        if ($strFileType == ".avi")
                $ContentType = "video/avi";
        if ($strFileType == ".doc")
                $ContentType = "application/msword";
        if ($strFileType == ".zip")
                $ContentType = "application/zip";
        if ($strFileType == ".xls")
                $ContentType = "application/vnd.ms-excel";
        if ($strFileType == ".gif")
                $ContentType = "image/gif";
        if ($strFileType == ".jpg" || $strFileType == "jpeg")
                $ContentType = "image/jpeg";
        if ($strFileType == ".wav")
                $ContentType = "audio/wav";
        if ($strFileType == ".mp3")
                $ContentType = "audio/mpeg3";
        if ($strFileType == ".mpg" || $strFileType == "mpeg")
                $ContentType = "video/mpeg";
        if ($strFileType == ".rtf")
                $ContentType = "application/rtf";
        if ($strFileType == ".htm" || $strFileType == "html")
                $ContentType = "text/html";
        if ($strFileType == ".xml")
                $ContentType = "text/xml";
        if ($strFileType == ".xsl")
                $ContentType = "text/xsl";
        if ($strFileType == ".css")
                $ContentType = "text/css";
        if ($strFileType == ".php")
                $ContentType = "text/php";
        if ($strFileType == ".asp")
                $ContentType = "text/asp";
        if ($strFileType == ".pdf")
                $ContentType = "application/pdf";
        if ($strFileType == ".txt")
                $ContentType = "text/plain";
        if ($strFileType == ".log")
                $ContentType = "text/plain";
        if ($strFileType == ".wmv")
                $ContentType = "video/x-ms-wmv";
        if ($strFileType == ".sxc")
                $ContentType = "application/vnd.sun.xml.calc";
        if ($strFileType == ".odt")
                $ContentType = "application/vnd.oasis.opendocument.text";
        if ($strFileType == ".stc")
                $ContentType = "application/vnd.sun.xml.calc.template";
        if ($strFileType == ".sxd")
                $ContentType = "application/vnd.sun.xml.draw";
        if ($strFileType == ".std")
                $ContentType = "application/vnd.sun.xml.draw.template";
        if ($strFileType == ".sxi")
                $ContentType = "application/vnd.sun.xml.impress";
        if ($strFileType == ".sti")
                $ContentType = "application/vnd.sun.xml.impress.template";
        if ($strFileType == ".sxm")
                $ContentType = "application/vnd.sun.xml.math";
        if ($strFileType == ".sxw")
                $ContentType = "application/vnd.sun.xml.writer";
        if ($strFileType == ".sxq")
                $ContentType = "application/vnd.sun.xml.writer.global";
        if ($strFileType == ".stw")
                $ContentType = "application/vnd.sun.xml.writer.template";
        if ($strFileType == ".ps")
                $ContentType = "application/postscript";
        if ($strFileType == ".pps")
                $ContentType = "application/vnd.ms-powerpoint";
        if ($strFileType == ".odt")
                $ContentType = "application/vnd.oasis.opendocument.text";
        if ($strFileType == ".ott")
                $ContentType = "application/vnd.oasis.opendocument.text-template";
        if ($strFileType == ".oth")
                $ContentType = "application/vnd.oasis.opendocument.text-web";
        if ($strFileType == ".odm")
                $ContentType = "application/vnd.oasis.opendocument.text-master";
        if ($strFileType == ".odg")
                $ContentType = "application/vnd.oasis.opendocument.graphics";
        if ($strFileType == ".otg")
                $ContentType = "application/vnd.oasis.opendocument.graphics-template";
        if ($strFileType == ".odp")
                $ContentType = "application/vnd.oasis.opendocument.presentation";
        if ($strFileType == ".otp")
                $ContentType = "application/vnd.oasis.opendocument.presentation-template";
        if ($strFileType == ".ods")
                $ContentType = "application/vnd.oasis.opendocument.spreadsheet";
        if ($strFileType == ".ots")
                $ContentType = "application/vnd.oasis.opendocument.spreadsheet-template";
        if ($strFileType == ".odc")
                $ContentType = "application/vnd.oasis.opendocument.chart";
        if ($strFileType == ".odf")
                $ContentType = "application/vnd.oasis.opendocument.formula";
        if ($strFileType == ".odi")
                $ContentType = "application/vnd.oasis.opendocument.image";
        if ($strFileType == ".ndl")
                $ContentType = "application/vnd.lotus-notes";
        if ($strFileType == ".eml")
                $ContentType = "text/plain";

        header ("Content-Type: $ContentType");
        header("Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0");
        header("Pragma: public");
        header("Expires: 0"); // set expiration time
        header ("Content-Disposition: attachment; filename=\"". addslashes($newFileName)."\"");

        if($fileContent)
        {
          echo $fileContent;
        }
        else
        {
                $tempDir = $GLOBALS['phpgw_info']['server']['download_temp_dir'];
                if (preg_match("#^".$tempDir."/(".$GLOBALS['phpgw']->session->sessionid."/)*[A-z0-9_]+_".$GLOBALS['phpgw']->session->sessionid."[A-z0-9]*(\.[A-z]{3,4})?$#",$strFileName))
                {
                //avoid stuck request
                        session_write_close();

                        //reset time limit for big files
                        set_time_limit(0);
                        ob_end_flush();

                        if ($fp = fopen ($strFileName, 'rb'))
                        {
                                $bufferSize=1024;
                                for ($i=$bufferSize; $i<=(filesize($strFileName)+$bufferSize); $i+=$bufferSize)
                                {
                                        echo fread($fp, $i);
                                        flush();
                                }
                                fclose ($fp);
                        }

                        //removendo pelo php, garante a suportabilidade cross-platform
                        cleanup( dirname( $strFileName ) );

                }
                else
                {
                        if (preg_match("#^".dirname( __FILE__ ) . '/../tmpLclAtt'."/source_#",$strFileName)) {
                                readfile($strFileName);
                        }
                }
        }
}


/**
* Método que limpa o diretório
*
* @license    http://www.gnu.org/copyleft/gpl.html GPL
* @author     Consórcio Expresso Livre - 4Linux (www.4linux.com.br) e Prognus Software Livre (www.prognus.com.br)
* @sponsor    Caixa Econômica Federal
* @param  $dir
*/
function cleanup( $dir )
{
    if ( is_dir( $dir ) )
    {
        $files = scandir($dir);

        foreach( $files as $file )
            if( $file != "." && $file != ".." )
                cleanup( $dir.'/'.$file );

        reset( $files ); //?
        
        if(!rmdir( $dir ))
            return;
    }
    else
    {
        if(!unlink( $dir ))
        return;
    }

}
//-----------------------//

/*
 * Main
 */


if($msgNumber != 'null' && $indexPart !== null && $msgFolder)
{

    $attachment = new attachment(PHPGW_INCLUDE_ROOT);
    $attachment->setStructureFromMail($msgFolder, $msgNumber);
    $fileContent = $attachment->getAttachment($indexPart);

    if($newFilename)
        $filename = $newFilename;
    else
    {
        $info = $attachment->getAttachmentInfo($indexPart);
        $filename = $info['name'];
    }


}
else
    $filename = $indexFile;


$filename 	 = $filename 	? $filename 	: "attachment.bin";
$newFilename = $newFilename ? $newFilename 	: $filename;


$strFileType = strrev(substr(strrev(strtolower($filename)),0,4));

downloadFile($strFileType,  $filename, $newFilename, $fileContent)
//-----------------------//

?>