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Disallow zero-length magnet URIs 

magnet: would match, but now we have a zero-length lookahead which
requires the following character to be a question mark: magnet:?
This commit is contained in:
Mikael Nordfeldth 2016-02-03 15:26:19 +01:00
parent 90045d66ea
commit 9960714896
1 changed files with 1 additions and 1 deletions
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2
lib/util.php
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@ -972,7 +972,7 @@ function common_replace_urls_callback($text, $callback, $arg = null) {
')'.
')'.
// URLs without domain name, like magnet:?xt=...
'|(?:(?:' . implode('|', common_url_schemes(_URL_SCHEME_NO_DOMAIN)) . '):)'.
'|(?:(?:' . implode('|', common_url_schemes(_URL_SCHEME_NO_DOMAIN)) . '):(?=\?))'. // zero-length lookahead requires ? after :
(common_config('linkify', 'bare_ipv4') // Convert IPv4 addresses to hyperlinks
? '|(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)'
: '').