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strip RTL from tags

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This commit is contained in:
Shish 2015-04-26 13:02:17 +01:00
parent bb490ac413
commit 1779f97cac
1 changed files with 4 additions and 3 deletions
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7
core/imageboard.pack.php
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@ -1055,9 +1055,10 @@ class Tag {
*/ */
public static function sanitise($tag) { public static function sanitise($tag) {
assert(is_string($tag)); assert(is_string($tag));
$tag = preg_replace("/[\s?*]/", "", $tag); $tag = preg_replace("/[\s?*]/", "", $tag); # whitespace
$tag = preg_replace("/\.+/", ".", $tag); $tag = preg_replace('/\x20(\x0e|\x0f)/', '', $tag); # unicode RTL
$tag = preg_replace("/^(\.+[\/\\\\])+/", "", $tag); $tag = preg_replace("/\.+/", ".", $tag); # strings of dots?
$tag = preg_replace("/^(\.+[\/\\\\])+/", "", $tag); # trailing slashes?
return $tag; return $tag;
} }