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Code Issues Projects Releases Wiki Activity

Two consecutive periods bug - fixes #202

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This commit is contained in:
Milos Stojanovic
2021-03-23 10:30:42 +01:00
parent eda587daff
commit 86b9752b38
2 changed files with 7 additions and 2 deletions
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7
backend/Services/Storage/Filesystem.php
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@@ -235,8 +235,11 @@ class Filesystem implements Service
private function applyPathPrefix(string $path): string
{
if (strpos($path, '..') !== false) {
$path = "/";
if ($path == '..'
|| strpos($path, '..'.$this->separator) !== false
|| strpos($path, $this->separator.'..') !== false
) {
$path = $this->separator;
}
return $this->joinPaths($this->getPathPrefix(), $path);
}

2
tests/backend/Unit/FilesystemTest.php
View File

@@ -403,6 +403,8 @@ class FilesystemTest extends TestCase
$this->assertEquals('/john/test.txt/', $this->invokeMethod($this->storage, 'applyPathPrefix', ['test.txt/']));
// no escaping path to upper dir
$this->assertEquals('/john/', $this->invokeMethod($this->storage, 'applyPathPrefix', ['/..']));
$this->assertEquals('/john/', $this->invokeMethod($this->storage, 'applyPathPrefix', ['..']));
$this->assertEquals('/john/', $this->invokeMethod($this->storage, 'applyPathPrefix', ['../']));
$this->assertEquals('/john/', $this->invokeMethod($this->storage, 'applyPathPrefix', ['/sub/../../']));
}