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comparison plugins/emoticons/emoticons_engine.php @ 0:1e000243b222

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vanilla 1.3.3 distro, I hope
author Charlie Root
date Thu, 04 Jan 2018 15:50:29 -0500
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-1:000000000000 0:1e000243b222
1 <?php
2
3 /**
4 * @license GNU GPLv3+
5 * @author Thomas Bruederli
6 * @author Aleksander Machniak
7 */
8 class emoticons_engine
9 {
10 const IMG_PATH = 'program/js/tinymce/plugins/emoticons/img/';
11
12 /**
13 * Replaces TinyMCE's emoticon images with plain-text representation
14 *
15 * @param string $html HTML content
16 *
17 * @return string HTML content
18 */
19 public static function icons2text($html)
20 {
21 $emoticons = array(
22 '8-)' => 'smiley-cool',
23 ':-#' => 'smiley-foot-in-mouth',
24 ':-*' => 'smiley-kiss',
25 ':-X' => 'smiley-sealed',
26 ':-P' => 'smiley-tongue-out',
27 ':-@' => 'smiley-yell',
28 ":'(" => 'smiley-cry',
29 ':-(' => 'smiley-frown',
30 ':-D' => 'smiley-laughing',
31 ':-)' => 'smiley-smile',
32 ':-S' => 'smiley-undecided',
33 ':-$' => 'smiley-embarassed',
34 'O:-)' => 'smiley-innocent',
35 ':-|' => 'smiley-money-mouth',
36 ':-O' => 'smiley-surprised',
37 ';-)' => 'smiley-wink',
38 );
39
40 foreach ($emoticons as $idx => $file) {
41 // <img title="Cry" src="http://.../program/js/tinymce/plugins/emoticons/img/smiley-cry.gif" border="0" alt="Cry" />
42 $file = preg_quote(self::IMG_PATH . $file . '.gif', '/');
43 $search[] = '/<img (title="[a-z ]+" )?src="[^"]+' . $file . '"[^>]+\/>/i';
44 $replace[] = $idx;
45 }
46
47 return preg_replace($search, $replace, $html);
48 }
49
50 /**
51 * Replace common plain text emoticons with empticon <img> tags
52 *
53 * @param string $text Text
54 *
55 * @return string Converted text
56 */
57 public static function text2icons($text)
58 {
59 // This is a lookbehind assertion which will exclude html entities
60 // E.g. situation when ";)" in "&quot;)" shouldn't be replaced by the icon
61 // It's so long because of assertion format restrictions
62 $entity = '(?<!&'
63 . '[a-zA-Z0-9]{2}' . '|' . '#[0-9]{2}' . '|'
64 . '[a-zA-Z0-9]{3}' . '|' . '#[0-9]{3}' . '|'
65 . '[a-zA-Z0-9]{4}' . '|' . '#[0-9]{4}' . '|'
66 . '[a-zA-Z0-9]{5}' . '|'
67 . '[a-zA-Z0-9]{6}' . '|'
68 . '[a-zA-Z0-9]{7}'
69 . ')';
70
71 // map of emoticon replacements
72 $map = array(
73 '/(?<!mailto):D/' => self::img_tag('smiley-laughing.gif', ':D' ),
74 '/:-D/' => self::img_tag('smiley-laughing.gif', ':-D' ),
75 '/:\(/' => self::img_tag('smiley-frown.gif', ':(' ),
76 '/:-\(/' => self::img_tag('smiley-frown.gif', ':-(' ),
77 '/'.$entity.';\)/' => self::img_tag('smiley-wink.gif', ';)' ),
78 '/'.$entity.';-\)/' => self::img_tag('smiley-wink.gif', ';-)' ),
79 '/8\)/' => self::img_tag('smiley-cool.gif', '8)' ),
80 '/8-\)/' => self::img_tag('smiley-cool.gif', '8-)' ),
81 '/(?<!mailto):O/i' => self::img_tag('smiley-surprised.gif', ':O' ),
82 '/(?<!mailto):-O/i' => self::img_tag('smiley-surprised.gif', ':-O' ),
83 '/(?<!mailto):P/i' => self::img_tag('smiley-tongue-out.gif', ':P' ),
84 '/(?<!mailto):-P/i' => self::img_tag('smiley-tongue-out.gif', ':-P' ),
85 '/(?<!mailto):@/i' => self::img_tag('smiley-yell.gif', ':@' ),
86 '/(?<!mailto):-@/i' => self::img_tag('smiley-yell.gif', ':-@' ),
87 '/O:\)/i' => self::img_tag('smiley-innocent.gif', 'O:)' ),
88 '/O:-\)/i' => self::img_tag('smiley-innocent.gif', 'O:-)' ),
89 '/(?<!O):\)/' => self::img_tag('smiley-smile.gif', ':)' ),
90 '/(?<!O):-\)/' => self::img_tag('smiley-smile.gif', ':-)' ),
91 '/(?<!mailto):\$/' => self::img_tag('smiley-embarassed.gif', ':$' ),
92 '/(?<!mailto):-\$/' => self::img_tag('smiley-embarassed.gif', ':-$' ),
93 '/(?<!mailto):\*/i' => self::img_tag('smiley-kiss.gif', ':*' ),
94 '/(?<!mailto):-\*/i' => self::img_tag('smiley-kiss.gif', ':-*' ),
95 '/(?<!mailto):S/i' => self::img_tag('smiley-undecided.gif', ':S' ),
96 '/(?<!mailto):-S/i' => self::img_tag('smiley-undecided.gif', ':-S' ),
97 );
98
99 return preg_replace(array_keys($map), array_values($map), $text);
100 }
101
102 protected static function img_tag($ico, $title)
103 {
104 return html::img(array('src' => './' . self::IMG_PATH . $ico, 'title' => $title));
105 }
106
107 /**
108 * Replace emoticon icons <img> 'src' attribute, so it can
109 * be replaced with real file by Mail_Mime.
110 *
111 * @param string &$html HTML content
112 *
113 * @return array List of image files
114 */
115 public static function replace(&$html)
116 {
117 // Replace this:
118 // <img src="http[s]://.../tinymce/plugins/emoticons/img/smiley-cool.gif" ... />
119 // with this:
120 // <img src="/path/on/server/.../tinymce/plugins/emoticons/img/smiley-cool.gif" ... />
121
122 $rcube = rcube::get_instance();
123 $assets_dir = $rcube->config->get('assets_dir');
124 $path = unslashify($assets_dir ?: INSTALL_PATH) . '/' . self::IMG_PATH;
125 $offset = 0;
126 $images = array();
127
128 // remove any null-byte characters before parsing
129 $html = preg_replace('/\x00/', '', $html);
130
131 if (preg_match_all('# src=[\'"]([^\'"]+)#', $html, $matches, PREG_OFFSET_CAPTURE)) {
132 foreach ($matches[1] as $m) {
133 // find emoticon image tags
134 if (preg_match('#'. self::IMG_PATH . '(.*)$#', $m[0], $imatches)) {
135 $image_name = $imatches[1];
136
137 // sanitize image name so resulting attachment doesn't leave images dir
138 $image_name = preg_replace('/[^a-zA-Z0-9_\.\-]/i', '', $image_name);
139 $image_file = $path . $image_name;
140
141 // Add the same image only once
142 $images[$image_name] = $image_file;
143
144 $html = substr_replace($html, $image_file, $m[1] + $offset, strlen($m[0]));
145 $offset += strlen($image_file) - strlen($m[0]);
146 }
147 }
148 }
149
150 return $images;
151 }
152 }