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<?php |
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namespace Silverback\ApiComponentBundle\File\Uploader; |
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use ApiPlatform\Core\Bridge\Symfony\Validator\Exception\ValidationException; |
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use ApiPlatform\Core\Metadata\Resource\Factory\ResourceMetadataFactoryInterface; |
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use ApiPlatform\Core\Validator\ValidatorInterface as ApiValidator; |
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use Doctrine\ORM\EntityManagerInterface; |
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use RuntimeException; |
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use Silverback\ApiComponentBundle\Entity\Component\FileInterface; |
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use Symfony\Component\Filesystem\Filesystem; |
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use Symfony\Component\HttpFoundation\File\Exception\FileNotFoundException; |
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use Symfony\Component\HttpFoundation\File\File; |
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use Symfony\Component\HttpFoundation\File\UploadedFile; |
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use Symfony\Component\PropertyAccess\PropertyAccess; |
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use Symfony\Component\Validator\ConstraintViolation; |
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use Symfony\Component\Validator\ConstraintViolationList; |
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use Symfony\Component\Validator\Validator\ValidatorInterface; |
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class FileUploader |
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{ |
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private $em; |
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private $resourceMetadataFactory; |
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private $validator; |
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private $apiValidator; |
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private $rootPath; |
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private $propertyAccessor; |
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public function __construct( |
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EntityManagerInterface $em, |
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ResourceMetadataFactoryInterface $resourceMetadataFactory, |
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ValidatorInterface $validator, |
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ApiValidator $apiValidator, |
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array $rootPaths = [] |
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) { |
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$this->em = $em; |
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$this->resourceMetadataFactory = $resourceMetadataFactory; |
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$this->validator = $validator; |
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$this->apiValidator = $apiValidator; |
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$this->rootPath = $rootPaths['uploads']; |
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$this->propertyAccessor = PropertyAccess::createPropertyAccessor(); |
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} |
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private function getRealPath(string $moveToDir, string $filename): string |
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{ |
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return rtrim($moveToDir, '/') . '/' . $filename; |
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} |
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private function getNewFilename(string $moveToDir, UploadedFile $file): string |
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{ |
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$fs = new Filesystem(); |
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$ext = $file->guessExtension(); |
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$basename = pathinfo($file->getClientOriginalName(), PATHINFO_FILENAME); |
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$filename = "$basename.$ext"; |
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$i = 0; |
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while ($fs->exists($this->getRealPath($moveToDir, $filename))) { |
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$i++; |
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$filename = "$basename.$i.$ext"; |
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} |
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return $filename; |
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} |
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private function validateNewFile($entity, $field, UploadedFile $file, array $validationGroups): void |
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{ |
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$errors = $this->validator->validatePropertyValue($entity, $field, $file->getRealPath(), $validationGroups); |
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if ($errors !== null && \count($errors)) { |
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throw new ValidationException($errors); |
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} |
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} |
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private function unlinkFile(File $currentFile): void |
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{ |
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$oldFilePath = $currentFile->getRealPath(); |
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if (!is_writable($oldFilePath)) { |
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throw new RuntimeException('The existing file cannot be deleted. File upload aborted'); |
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} |
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unlink($currentFile->getRealPath()); |
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} |
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public function upload(FileInterface $entity, string $field, UploadedFile $file, string $itemOperationName = 'post'): FileInterface |
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{ |
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if ($file->getFilename() === '') { |
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$template = 'The file was not uploaded. It is likely that the file size was larger than %s'; |
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throw new ValidationException(new ConstraintViolationList([ |
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new ConstraintViolation(sprintf($template, ini_get('upload_max_filesize')), $template, [ ini_get('upload_max_filesize') ], $file, 'filename', $file->getFilename()) |
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])); |
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} |
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$resourceMetadata = $this->resourceMetadataFactory->create(get_class($entity)); |
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$validationGroups = $resourceMetadata->getOperationAttribute( |
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['item_operation_name' => $itemOperationName], |
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'validation_groups', |
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[], |
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true |
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); |
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/** @var File|null|string $currentFile */ |
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$currentFile = $this->propertyAccessor->getValue($entity, $field); |
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// Set to the new file and validate it before we upload and persist any changes |
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$this->validateNewFile($entity, $field, $file, $validationGroups); |
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// Validation passed, remove old file first (in case we don't have permission to do it) |
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if ($currentFile) { |
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try { |
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$this->unlinkFile(new File($currentFile)); |
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} catch (FileNotFoundException $e) { |
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// If the file did not exist, there's no problem if it was not found as we are trying to delete it anyway |
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} |
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} |
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// Old file removed, let's update! |
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$moveToDir = sprintf('%s/%s', $this->rootPath, $entity->getDir()); |
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$filename = $this->getNewFilename($moveToDir, $file); |
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$movedFile = $file->move($moveToDir, $filename); |
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$this->propertyAccessor->setValue($entity, $field, $movedFile->getRealPath()); |
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$this->apiValidator->validate($entity, ['groups' => $validationGroups]); |
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$this->em->persist($entity); |
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$this->em->flush(); |
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return $entity; |
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} |
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} |
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components-web-app /
api-components-bundle
