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[ticket/9747] Improve word censor.

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Better handling of the asterisk inside censor pattern like 'bad*word' etc.

PHPBB3-9747
This commit is contained in:
rxu 2010-07-25 16:57:00 +08:00
parent fc25fe694a
commit 4d0a53b5ee
1 changed files with 8 additions and 1 deletions
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9
phpBB/includes/cache.php
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@ -88,7 +88,14 @@ class cache extends acm
{ {
if ($unicode) if ($unicode)
{ {
$censors['match'][] = '#(?<![\p{Nd}\p{L}_])(' . str_replace('\*', '[\p{Nd}\p{L}_]*?', preg_quote($row['word'], '#')) . ')(?![\p{Nd}\p{L}_])#iu'; // Unescape the asterisk to simplify further conversions
$row['word'] = str_replace('\*', '*', preg_quote($row['word'], '#'));
// Replace the asterisk inside the pattern, at the start and at the end of it with regexes
$row['word'] = preg_replace(array('#(?<=[\p{Nd}\p{L}_])\*(?=[\p{Nd}\p{L}_])#iu', '#^\*#', '#\*$#'), array('([\x20]*?|[\p{Nd}\p{L}_-]*?)', '[\p{Nd}\p{L}_-]*?', '[\p{Nd}\p{L}_-]*?'), $row['word']);
// Generate the final substitution
$censors['match'][] = '#(?<![\p{Nd}\p{L}_-])(' . $row['word'] . ')(?![\p{Nd}\p{L}_-])#iu';
} }
else else
{ {