1: <?php
 2: /**
 3:  * The Horde_Text_Filter_Emails:: class finds email addresses in a block of
 4:  * text and turns them into links.
 5:  *
 6:  * Copyright 2010-2012 Horde LLC (http://www.horde.org/)
 7:  *
 8:  * See the enclosed file COPYING for license information (LGPL). If you
 9:  * did not receive this file, see http://www.horde.org/licenses/lgpl21.
10:  *
11:  * @author   Michael Slusarz <slusarz@horde.org>
12:  * @category Horde
13:  * @license  http://www.horde.org/licenses/lgpl21 LGPL 2.1
14:  * @package  Core
15:  */
16: class Horde_Core_Text_Filter_Emails extends Horde_Text_Filter_Emails
17: {
18:     /**
19:      * Constructor.
20:      *
21:      * @param array $params  Parameters (in addition to base
22:      *                       Horde_Text_Filter_Emails parameters):
23:      * <pre>
24:      * always_mailto - (boolean) If true, a mailto: link is generated always.
25:      *                 Only if no mail/compose registry API method exists
26:      *                 otherwise.
27:      *                 DEFAULT: false
28:      * callback - (callback) Use this callback instead of the mail/compose
29:      *            API call.
30:      *            DEFAULT: Use mail/compose API call.
31:      * </pre>
32:      */
33:     public function __construct(array $params = array())
34:     {
35:         $this->_params = array_merge(array(
36:             'always_mailto' => false,
37:             'callback' => null
38:         ), $this->_params, $params);
39: 
40:         parent::__construct($params);
41:     }
42: 
43:     /**
44:      * Regular expression callback.
45:      *
46:      * @param array $matches  preg_replace_callback() matches.
47:      *
48:      * @return string  Replacement string.
49:      */
50:     protected function _regexCallback($matches)
51:     {
52:         if ($this->_params['always_mailto'] ||
53:             (!$this->_params['callback'] &&
54:              (!($app = $GLOBALS['registry']->hasMethod('mail/compose')) ||
55:               !$GLOBALS['registry']->hasPermission($app, Horde_Perms::EDIT)))) {
56:             return parent::_regexCallback($matches);
57:         }
58: 
59:         if (!isset($matches[10]) || ($matches[10] === '')) {
60:             $args = $matches[7];
61:             $email = $matches[3];
62:             $args_long = $matches[5];
63:         } else {
64:             $args = isset($matches[13]) ? $matches[13] : '';
65:             $email = $matches[10];
66:             $args_long = isset($matches[11]) ? $matches[11] : '';
67:         }
68: 
69:         parse_str($args, $extra);
70:         try {
71:             $url = $this->_params['callback']
72:                 ? strval(call_user_func($this->_params['callback'], array('to' => $email), $extra))
73:                 : strval($GLOBALS['registry']->call('mail/compose', array(array('to' => $email), $extra)));
74:         } catch (Horde_Exception $e) {
75:             return parent::_regexCallback($matches);
76:         }
77: 
78:         if (substr($url, 0, 11) == 'javascript:') {
79:             $href = '#';
80:             $onclick = ' onclick="' . substr($url, 11) . ';return false;"';
81:         } else {
82:             $href = htmlspecialchars($url);
83:             $onclick = '';
84:         }
85: 
86:         $class = empty($this->_params['class'])
87:             ? ''
88:             : ' class="' . $this->_params['class'] . '"';
89: 
90:         return '<a' . $class .' href="' . $href . '"' . $onclick . '>' .
91:             htmlspecialchars($email) . htmlspecialchars($args_long) .
92:             '</a>';
93:     }
94: 
95: }
96: