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Use preg_quote

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Michael 2020-09-23 15:28:00 +00:00
parent c5304d1ff4
commit 4a8531354b
1 changed files with 1 additions and 1 deletions
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src/Protocol/ActivityPub/Processor.php
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@ -856,7 +856,7 @@ class Processor
} }
// We check with "strpos" for performance issues. Only when this is true, the regular expression check is used // We check with "strpos" for performance issues. Only when this is true, the regular expression check is used
// RegExp is taken from here: https://medium.com/@shiba1014/regex-word-boundaries-with-unicode-207794f6e7ed // RegExp is taken from here: https://medium.com/@shiba1014/regex-word-boundaries-with-unicode-207794f6e7ed
if ((strpos($content, $tag) !== false) && preg_match('/(?<=[\s,.:;"\']|^)' . $tag . '(?=[\s,.:;"\']|$)/', $content)) { if ((strpos($content, $tag) !== false) && preg_match('/(?<=[\s,.:;"\']|^)' . preg_quote($tag) . '(?=[\s,.:;"\']|$)/', $content)) {
Logger::info('Subscribed hashtag found in content - accepted', ['id' => $id, 'hashtag' => $tag]); Logger::info('Subscribed hashtag found in content - accepted', ['id' => $id, 'hashtag' => $tag]);
return true; return true;
} }