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<?php
require_once 'Horde/MIME/Viewer/zip.php';
/**
* The MIME_Viewer_zip class renders out the contents of ZIP files in HTML
* format and allows downloading of extractable files.
*
* $Horde: imp/lib/MIME/Viewer/zip.php,v 1.25.10.12 2008/03/17 14:22:18 jan Exp $
*
* Copyright 2002-2008 The Horde Project (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (GPL). If you
* did not receive this file, see http://www.fsf.org/copyleft/gpl.html.
*
* @author Mike Cochrane <mike@graftonhall.co.nz>
* @author Michael Slusarz <slusarz@horde.org>
* @package Horde_MIME_Viewer
*/
class IMP_MIME_Viewer_zip extends MIME_Viewer_zip {
/**
* The IMP_Contents object, needed for the _callback() function.
*
* @var IMP_Contents
*/
var $_contents;
/**
* Render out the currently set contents.
*
* @param array $params An array with a reference to a MIME_Contents
* object.
*
* @return string Either the list of zip files or the data of an
* individual zip file.
*/
function render($params)
{
$contents = &$params[0];
$data = $this->mime_part->getContents();
$text = '';
/* Send the requested file. Its position in the zip archive is located
* in 'zip_attachment'. */
if (Util::getFormData('zip_attachment')) {
require_once 'Horde/Compress.php';
$zip = &Horde_Compress::singleton('zip');
$fileKey = Util::getFormData('zip_attachment') - 1;
$zipInfo = $zip->decompress(
$data, array('action' => HORDE_COMPRESS_ZIP_LIST));
/* Verify that the requested file exists. */
if (isset($zipInfo[$fileKey])) {
$text = $zip->decompress(
$data,
array('action' => HORDE_COMPRESS_ZIP_DATA,
'info' => &$zipInfo,
'key' => $fileKey));
if (empty($text)) {
$text = '<pre>' . _("Could not extract the requested file from the Zip archive.") . '</pre>';
} else {
$this->mime_part->setType('application/octet-stream');
$this->mime_part->setName(basename($zipInfo[$fileKey]['name']));
}
} else {
$text = '<pre>' . _("The requested file does not exist in the Zip attachment.") . '</pre>';
}
} else {
$this->_contents = $contents;
$text = parent::_render($data, array($this, '_callback'));
}
return $text;
}
/**
* The function to use as a callback to parent::_render().
*
* @access private
*
* @param integer $key The position of the file in the zip archive.
* @param array $val The information array for the archived file.
*
* @return string The content-type of the output.
*/
function _callback($key, $val)
{
$name = preg_replace('/( )+$/', '', $val['name']);
if (!empty($val['size']) && (strstr($val['attr'], 'D') === false) &&
((($val['method'] == 0x8) && Util::extensionExists('zlib')) ||
($val['method'] == 0x0))) {
$old_name = $this->mime_part->getName();
$this->mime_part->setName(basename($name));
$val['name'] = str_replace(
$name,
$this->_contents->linkView(
$this->mime_part, 'download_render', $name,
array('jstext' => sprintf(_("View %s"),
str_replace(' ', ' ', $name)),
'class' => 'fixed',
'viewparams' => array(
'ctype' => 'application/zip',
'zip_attachment' => (urlencode($key) + 1)))),
$val['name']);
$this->mime_part->setName($old_name);
}
return $val;
}
}
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