1: <?php
 2: /**
 3:  * The Horde_Mime_Viewer_Rtf class renders out Rich Text Format documents in
 4:  * HTML format by using the UnRTF package.
 5:  *
 6:  * UnRTF package: http://www.gnu.org/software/unrtf/unrtf.html
 7:  *
 8:  * Copyright 2007 Duck <duck@obala.net>
 9:  *
10:  * See the enclosed file COPYING for license information (LGPL). If you
11:  * did not receive this file, see http://www.horde.org/licenses/lgpl21.
12:  *
13:  * @author   Duck <duck@obala.net>
14:  * @category Horde
15:  * @license  http://www.horde.org/licenses/lgpl21 LGPL 2.1
16:  * @package  Mime_Viewer
17:  */
18: class Horde_Mime_Viewer_Rtf extends Horde_Mime_Viewer_Base
19: {
20:     /**
21:      * This driver's display capabilities.
22:      *
23:      * @var array
24:      */
25:     protected $_capability = array(
26:         'full' => true,
27:         'info' => false,
28:         'inline' => false,
29:         'raw' => false
30:     );
31: 
32:    /**
33:      * Constructor.
34:      *
35:      * @param Horde_Mime_Part $mime_part  The object with the data to be
36:      *                                    rendered.
37:      * @param array $conf                 Configuration:
38:      * <pre>
39:      * 'location' - (string) Location of the unrtf binary.
40:      * </pre>
41:      *
42:      * @throws InvalidArgumentException
43:      */
44:     public function __construct(Horde_Mime_Part $part, array $conf = array())
45:     {
46:         $this->_required = array_merge($this->_required, array(
47:             'location'
48:         ));
49: 
50:         parent::__construct($part, $conf);
51:     }
52: 
53:     /**
54:      * Return the full rendered version of the Horde_Mime_Part object.
55:      *
56:      * @return array  See parent::render().
57:      */
58:     protected function _render()
59:     {
60:         /* Check to make sure the viewer program exists. */
61:         if (!($location = $this->getConfigParam('location')) ||
62:             !file_exists($location)) {
63:             return array();
64:         }
65: 
66:         $tmp_rtf = $this->_getTempFile();
67:         $tmp_output = $this->_getTempFile();
68: 
69:         file_put_contents($tmp_rtf, $this->_mimepart->getContents());
70: 
71:         exec($location . ' ' . $tmp_rtf . ' > ' . $tmp_output);
72: 
73:         $data = file_exists($tmp_output)
74:             ? file_get_contents($tmp_output)
75:             : Horde_Mime_Viewer_Translation::t("Unable to translate this RTF document");
76: 
77:         return $this->_renderReturn(
78:             $data,
79:             'text/html; charset=UTF-8'
80:         );
81:     }
82: 
83: }
84: