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Properly search the root of a shared external storage 

Fixes #1020

When an external storage is shared with you in full the root is ''
(empty). This adds an extra check for an empty jail basically.

Because if the jail is on the empty string. It matches all paths.

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>
This commit is contained in:
Roeland Jago Douma 2018-11-05 16:27:43 +01:00
parent 9ea6573416
commit 0277cd7158
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1 changed files with 1 additions and 1 deletions
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2
lib/private/Files/Cache/Wrapper/CacheJail.php
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@ -94,7 +94,7 @@ class CacheJail extends CacheWrapper {
protected function filterCacheEntry($entry) {
$rootLength = strlen($this->getRoot()) + 1;
return ($entry['path'] === $this->getRoot()) or (substr($entry['path'], 0, $rootLength) === $this->getRoot() . '/');
return $rootLength === 1 || ($entry['path'] === $this->getRoot()) || (substr($entry['path'], 0, $rootLength) === $this->getRoot() . '/');
}
/**