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| author | zotlabs <mike@macgirvin.com> | 2017-10-09 15:13:25 -0700 |
|---|---|---|
| committer | zotlabs <mike@macgirvin.com> | 2017-10-09 15:13:25 -0700 |
| commit | 623dfa13845e34c85eae2a66c6aa855c3e059c38 (patch) | |
| tree | 70fbe8f95501df8c264b65dcd08e1b5b9d2898ab /include/text.php | |
| parent | 23812e5b48b7a4d4f0c275c0fbb3d244a582397c (diff) | |
| download | volse-hubzilla-623dfa13845e34c85eae2a66c6aa855c3e059c38.tar.gz volse-hubzilla-623dfa13845e34c85eae2a66c6aa855c3e059c38.tar.bz2 volse-hubzilla-623dfa13845e34c85eae2a66c6aa855c3e059c38.zip | |
purify user-supplied filenames in some cases. Probably not needed but it's the right thing to do.
Diffstat (limited to 'include/text.php')
| -rw-r--r-- | include/text.php | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/text.php b/include/text.php index 80914747b..8a65be0d5 100644 --- a/include/text.php +++ b/include/text.php @@ -3156,3 +3156,9 @@ function ellipsify($s,$maxlen) { return mb_substr($s,0,$maxlen / 2) . '...' . mb_substr($s,mb_strlen($s) - ($maxlen / 2)); } + +function purify_filename($s) { + if(($s[0] === '.') || strpos($s,'/') !== false) + return ''; + return $s; +} |