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<?php
/**
* The Horde_Mime_Viewer_Security class is a wrapper used to load the
* appropriate Horde_Mime_Viewer for secure multipart messages (defined by RFC
* 1847). This class handles multipart/signed and multipart/encrypted data.
*
* Copyright 2002-2017 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you
* did not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @author Michael Slusarz <slusarz@horde.org>
* @category Horde
* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
* @package Mime_Viewer
*/
class Horde_Mime_Viewer_Security extends Horde_Mime_Viewer_Base
{
/**
* Constructor.
*
* @param Horde_Mime_Part $mime_part The object with the data to be
* rendered.
* @param array $conf Configuration:
* <pre>
* 'viewer_callback' - (callback) A callback to a factory that will
* return the appropriate viewer for the embedded
* MIME type. Is passed three parameters: the
* current driver object, the MIME part object, and
* the MIME type to use.
* </pre>
*/
public function __construct(Horde_Mime_Part $part, array $conf = array())
{
parent::__construct($part, $conf);
}
/**
* Return the underlying MIME Viewer for this part.
*
* @return mixed A Horde_Mime_Viewer object, or false if not found.
*/
protected function _getViewer()
{
if (($callback = $this->getConfigParam('viewer_callback')) &&
($protocol = $this->_mimepart->getContentTypeParameter('protocol'))) {
return call_user_func($callback, $this, $this->_mimepart, $protocol);
}
return false;
}
}
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