1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
<?php /* vim: set expandtab sw=4 ts=4 sts=4: */ /** * * @version $Id$ */
/** * Sanitizes $message, taking into account our special codes * for formatting. * * If you want to include result in element attribute, you should escape it. * * Examples: * * <p><?php echo PMA_sanitize($foo); ?></p> * * <a title="<?php echo PMA_sanitize($foo, true); ?>">bar</a> * * @uses preg_replace() * @uses strtr() * @param string the message * @param boolean whether to escape html in result * * @return string the sanitized message * * @access public */ function PMA_sanitize($message, $escape = false) { $replace_pairs = array( '<' => '<', '>' => '>', '[i]' => '<em>', // deprecated by em '[/i]' => '</em>', // deprecated by em '[em]' => '<em>', '[/em]' => '</em>', '[b]' => '<strong>', // deprecated by strong '[/b]' => '</strong>', // deprecated by strong '[strong]' => '<strong>', '[/strong]' => '</strong>', '[tt]' => '<code>', // deprecated by CODE or KBD '[/tt]' => '</code>', // deprecated by CODE or KBD '[code]' => '<code>', '[/code]' => '</code>', '[kbd]' => '<kbd>', '[/kbd]' => '</kbd>', '[br]' => '<br />', '[/a]' => '</a>', '[sup]' => '<sup>', '[/sup]' => '</sup>', ); $message = strtr($message, $replace_pairs);
$pattern = '/\[a@([^"@]*)@([^]"]*)\]/';
if (preg_match_all($pattern, $message, $founds, PREG_SET_ORDER)) { $valid_links = array( 'http', // default http:// links (and https://) './Do', // ./Documentation );
foreach ($founds as $found) { // only http... and ./Do... allowed if (! in_array(substr($found[1], 0, 4), $valid_links)) { return $message; } // a-z and _ allowed in target if (! empty($found[2]) && preg_match('/[^a-z_]+/i', $found[2])) { return $message; } }
$message = preg_replace($pattern, '<a href="\1" target="\2">', $message); }
if ($escape) { $message = htmlspecialchars($message); }
return $message; } ?>
|