/**
* Returns TRUE if the specified file exists.
*
* @param string $identifier
* @return bool
*/
public function hasFile($identifier)
{
// Allow if identifier is in processing folder
if (!$this->driver->isWithin($this->getProcessingFolder()->getIdentifier(), $identifier)) {
$this->assureFolderReadPermission();
}
return $this->driver->fileExists($identifier);
}
/**
* Previously in \TYPO3\CMS\Core\Utility\File\ExtendedFileUtility::deleteFile()
*
* @param FileInterface $fileObject
* @throws Exception\InsufficientFileAccessPermissionsException
* @throws Exception\FileOperationErrorException
* @return bool TRUE if deletion succeeded
*/
public function deleteFile($fileObject)
{
$this->assureFileDeletePermissions($fileObject);
$this->emitPreFileDeleteSignal($fileObject);
if ($this->driver->fileExists($fileObject->getIdentifier())) {
$result = $this->driver->deleteFile($fileObject->getIdentifier());
if (!$result) {
throw new Exception\FileOperationErrorException('Deleting the file "' . $fileObject->getIdentifier() . '\' failed.', 1329831691);
}
}
// Mark the file object as deleted
if ($fileObject instanceof File) {
$fileObject->setDeleted();
}
$this->emitPostFileDeleteSignal($fileObject);
return true;
}
/**
* Entry method for use as filelist filter.
*
* We have to use -1 as the „don't include“ return value, as call_user_func() will return FALSE
* if calling the method failed and thus we can't use that as a return value.
*
* @param string $itemName
* @param string $itemIdentifier
* @param string $parentIdentifier
* @param array $additionalInformation Additional information about the inspected item
* @param \TYPO3\CMS\Core\Resource\Driver\DriverInterface $driver
* @return bool|int -1 if the file should not be included in a listing
*/
public function filterFileList($itemName, $itemIdentifier, $parentIdentifier, array $additionalInformation, \TYPO3\CMS\Core\Resource\Driver\DriverInterface $driver)
{
$returnCode = true;
// Early return in case no file filters are set at all
if ($this->allowedFileExtensions === null && $this->disallowedFileExtensions === null) {
return $returnCode;
}
// Check that this is a file and not a folder
if ($driver->fileExists($itemIdentifier)) {
if (!$this->isAllowed($itemName)) {
$returnCode = -1;
}
}
return $returnCode;
}
