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Unlock first path on rename if second path is locked

This commit is contained in:
Vincent Petry 2015-06-29 16:45:08 +02:00
parent 3217d4dad1
commit 167f57c15e
2 changed files with 39 additions and 1 deletions
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7
lib/private/files/view.php
View File

@ -631,7 +631,12 @@ class View {
}
$this->lockFile($path1, ILockingProvider::LOCK_SHARED, true);
$this->lockFile($path2, ILockingProvider::LOCK_SHARED, true);
try {
$this->lockFile($path2, ILockingProvider::LOCK_SHARED, true);
} catch (LockedException $e) {
$this->unlockFile($path1, ILockingProvider::LOCK_SHARED);
throw $e;
}
$run = true;
if ($this->shouldEmitHooks() && (Cache\Scanner::isPartialFile($path1) && !Cache\Scanner::isPartialFile($path2))) {

33
tests/lib/files/view.php
View File

@ -1758,6 +1758,39 @@ class View extends \Test\TestCase {
$this->assertNull($this->getFileLockType($view, $targetPath), 'Target file not locked after operation');
}
/**
* Test rename operation: unlock first path when second path was locked
*/
public function testLockFileRenameUnlockOnException() {
$this->loginAsUser('test');
$view = new \OC\Files\View('/' . $this->user . '/files/');
$sourcePath = 'original.txt';
$targetPath = 'target.txt';
$view->file_put_contents($sourcePath, 'meh');
// simulate that the target path is already locked
$view->lockFile($targetPath, ILockingProvider::LOCK_EXCLUSIVE);
$this->assertNull($this->getFileLockType($view, $sourcePath), 'Source file not locked before operation');
$this->assertEquals(ILockingProvider::LOCK_EXCLUSIVE, $this->getFileLockType($view, $targetPath), 'Target file is locked before operation');
$thrown = false;
try {
$view->rename($sourcePath, $targetPath);
} catch (\OCP\Lock\LockedException $e) {
$thrown = true;
}
$this->assertTrue($thrown, 'LockedException thrown');
$this->assertNull($this->getFileLockType($view, $sourcePath), 'Source file not locked after operation');
$this->assertEquals(ILockingProvider::LOCK_EXCLUSIVE, $this->getFileLockType($view, $targetPath), 'Target file still locked after operation');
$view->unlockFile($targetPath, ILockingProvider::LOCK_EXCLUSIVE);
}
public function lockFileRenameOrCopyCrossStorageDataProvider() {
return [
['rename', 'moveFromStorage', ILockingProvider::LOCK_EXCLUSIVE],