protected function removeFromCache($path) {
\OC_Hook::emit('Scanner', 'removeFromCache', array('file' => $path));
$this->emit('\OC\Files\Cache\Scanner', 'removeFromCache', array($path));
if ($this->cacheActive) {
$this->cache->remove($path);
}
}
/**
* Rename a file or folder in the cache and update the size, etag and mtime of the parent folders
*
* @param IStorage $sourceStorage
* @param string $source
* @param string $target
*/
public function renameFromStorage(IStorage $sourceStorage, $source, $target)
{
if (!$this->enabled or Scanner::isPartialFile($source) or Scanner::isPartialFile($target)) {
return;
}
$time = time();
$sourceCache = $sourceStorage->getCache();
$sourceUpdater = $sourceStorage->getUpdater();
$sourcePropagator = $sourceStorage->getPropagator();
if ($sourceCache->inCache($source)) {
if ($this->cache->inCache($target)) {
$this->cache->remove($target);
}
if ($sourceStorage === $this->storage) {
$this->cache->move($source, $target);
} else {
$this->cache->moveFromCache($sourceCache, $source, $target);
}
}
if (pathinfo($source, PATHINFO_EXTENSION) !== pathinfo($target, PATHINFO_EXTENSION)) {
// handle mime type change
$mimeType = $this->storage->getMimeType($target);
$fileId = $this->cache->getId($target);
$this->cache->update($fileId, ['mimetype' => $mimeType]);
}
$sourceCache->correctFolderSize($source);
$this->cache->correctFolderSize($target);
if ($sourceUpdater instanceof Updater) {
$sourceUpdater->correctParentStorageMtime($source);
}
$this->correctParentStorageMtime($target);
$this->updateStorageMTimeOnly($target);
$sourcePropagator->propagateChange($source, $time);
$this->propagator->propagateChange($target, $time);
}
/**
* remove deleted files in $path from the cache
*
* @param string $path
*/
public function cleanFolder($path)
{
$cachedContent = $this->cache->getFolderContents($path);
foreach ($cachedContent as $entry) {
if (!$this->storage->file_exists($entry['path'])) {
$this->cache->remove($entry['path']);
}
}
}
public function testNoReuseOfFileId() {
$data1 = array('size' => 100, 'mtime' => 50, 'mimetype' => 'text/plain');
$this->cache->put('somefile.txt', $data1);
$info = $this->cache->get('somefile.txt');
$fileId = $info['fileid'];
$this->cache->remove('somefile.txt');
$data2 = array('size' => 200, 'mtime' => 100, 'mimetype' => 'text/plain');
$this->cache->put('anotherfile.txt', $data2);
$info2 = $this->cache->get('anotherfile.txt');
$fileId2 = $info2['fileid'];
$this->assertNotEquals($fileId, $fileId2);
}
public function testRootFolderSizeForNonHomeStorage()
{
$dir1 = 'knownsize';
$dir2 = 'unknownsize';
$fileData = array();
$fileData[''] = array('size' => -1, 'mtime' => 20, 'mimetype' => 'httpd/unix-directory');
$fileData[$dir1] = array('size' => 1000, 'mtime' => 20, 'mimetype' => 'httpd/unix-directory');
$fileData[$dir2] = array('size' => -1, 'mtime' => 25, 'mimetype' => 'httpd/unix-directory');
$this->cache->put('', $fileData['']);
$this->cache->put($dir1, $fileData[$dir1]);
$this->cache->put($dir2, $fileData[$dir2]);
$this->assertTrue($this->cache->inCache($dir1));
$this->assertTrue($this->cache->inCache($dir2));
// check that root size ignored the unknown sizes
$this->assertEquals(-1, $this->cache->calculateFolderSize(''));
// clean up
$this->cache->remove('');
$this->cache->remove($dir1);
$this->cache->remove($dir2);
$this->assertFalse($this->cache->inCache($dir1));
$this->assertFalse($this->cache->inCache($dir2));
}
/**
* @param string $name
* @dataProvider escapingProvider
*/
public function testEscaping($name)
{
$data = array('size' => 100, 'mtime' => 50, 'mimetype' => 'text/plain');
$this->cache->put($name, $data);
$this->assertTrue($this->cache->inCache($name));
$retrievedData = $this->cache->get($name);
foreach ($data as $key => $value) {
$this->assertEquals($value, $retrievedData[$key]);
}
$this->cache->move($name, $name . 'asd');
$this->assertFalse($this->cache->inCache($name));
$this->assertTrue($this->cache->inCache($name . 'asd'));
$this->cache->remove($name . 'asd');
$this->assertFalse($this->cache->inCache($name . 'asd'));
$folderData = array('size' => 100, 'mtime' => 50, 'mimetype' => 'httpd/unix-directory');
$this->cache->put($name, $folderData);
$this->cache->put('other', $folderData);
$childs = ['asd', 'bar', 'foo', 'sub/folder'];
$this->cache->put($name . '/sub', $folderData);
$this->cache->put('other/sub', $folderData);
foreach ($childs as $child) {
$this->cache->put($name . '/' . $child, $data);
$this->cache->put('other/' . $child, $data);
$this->assertTrue($this->cache->inCache($name . '/' . $child));
}
$this->cache->move($name, $name . 'asd');
foreach ($childs as $child) {
$this->assertTrue($this->cache->inCache($name . 'asd/' . $child));
$this->assertTrue($this->cache->inCache('other/' . $child));
}
foreach ($childs as $child) {
$this->cache->remove($name . 'asd/' . $child);
$this->assertFalse($this->cache->inCache($name . 'asd/' . $child));
$this->assertTrue($this->cache->inCache('other/' . $child));
}
}
/**
* scan all the files and folders in a folder
*
* @param string $path
* @param bool $recursive
* @param int $reuse
* @return int the size of the scanned folder or -1 if the size is unknown at this stage
*/
public function scanChildren($path, $recursive = self::SCAN_RECURSIVE, $reuse = -1)
{
if ($reuse === -1) {
$reuse = $recursive === self::SCAN_SHALLOW ? self::REUSE_ETAG | self::REUSE_SIZE : 0;
}
$this->emit('\\OC\\Files\\Cache\\Scanner', 'scanFolder', array($path, $this->storageId));
$size = 0;
$childQueue = array();
$existingChildren = array();
if ($this->cache->inCache($path)) {
$children = $this->cache->getFolderContents($path);
foreach ($children as $child) {
$existingChildren[] = $child['name'];
}
}
$newChildren = array();
if ($this->storage->is_dir($path) && ($dh = $this->storage->opendir($path))) {
$exceptionOccurred = false;
\OC_DB::beginTransaction();
if (is_resource($dh)) {
while (($file = readdir($dh)) !== false) {
$child = $path ? $path . '/' . $file : $file;
if (!Filesystem::isIgnoredDir($file)) {
$newChildren[] = $file;
try {
$data = $this->scanFile($child, $reuse, true);
if ($data) {
if ($data['size'] === -1) {
if ($recursive === self::SCAN_RECURSIVE) {
$childQueue[] = $child;
} else {
$size = -1;
}
} else {
if ($size !== -1) {
$size += $data['size'];
}
}
}
} catch (\Doctrine\DBAL\DBALException $ex) {
// might happen if inserting duplicate while a scanning
// process is running in parallel
// log and ignore
\OC_Log::write('core', 'Exception while scanning file "' . $child . '": ' . $ex->getMessage(), \OC_Log::DEBUG);
$exceptionOccurred = true;
}
}
}
}
$removedChildren = \array_diff($existingChildren, $newChildren);
foreach ($removedChildren as $childName) {
$child = $path ? $path . '/' . $childName : $childName;
$this->cache->remove($child);
}
\OC_DB::commit();
if ($exceptionOccurred) {
// It might happen that the parallel scan process has already
// inserted mimetypes but those weren't available yet inside the transaction
// To make sure to have the updated mime types in such cases,
// we reload them here
$this->cache->loadMimetypes();
}
foreach ($childQueue as $child) {
$childSize = $this->scanChildren($child, self::SCAN_RECURSIVE, $reuse);
if ($childSize === -1) {
$size = -1;
} else {
$size += $childSize;
}
}
$this->cache->put($path, array('size' => $size));
}
$this->emit('\\OC\\Files\\Cache\\Scanner', 'postScanFolder', array($path, $this->storageId));
return $size;
}
/**
* remove a file or folder from the cache
*
* @param string $file
*/
public function remove($file)
{
$this->cache->remove($file);
}
