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<?php |
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namespace Alpixel\Bundle\MediaBundle\Services; |
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use Alpixel\Bundle\MediaBundle\Entity\Media; |
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use Alpixel\Bundle\MediaBundle\Exception\InvalidMimeTypeException; |
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use Cocur\Slugify\Slugify; |
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use Doctrine\ORM\EntityManager; |
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use Symfony\Component\DependencyInjection\ContainerAwareTrait; |
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use Symfony\Component\Filesystem\Exception\IOException; |
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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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class MediaManager |
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{ |
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protected $entityManager; |
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protected $uploadDir; |
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protected $allowedMimetypes; |
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use ContainerAwareTrait; |
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const SIZE_OF_KIBIOCTET = 1024; |
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const OCTET_IN_KO = 1; |
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const OCTET_IN_MO = 2; |
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const OCTET_IN_GO = 3; |
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const OCTET_IN_TO = 4; |
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const OCTET_IN_PO = 5; |
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public function __construct(EntityManager $entityManager, $uploadDir, $allowedMimetypes) |
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{ |
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$this->entityManager = $entityManager; |
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if(substr($uploadDir, -1) !== '/') { |
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$uploadDir = $uploadDir.'/'; |
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} |
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$this->uploadDir = $uploadDir; |
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$this->allowedMimetypes = $allowedMimetypes; |
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} |
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/** |
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* $current_uri String actual uri of the file |
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* $dest_folder String future uri of the file starting from web/upload folder |
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* $lifetime DateTime lifetime of the file. If time goes over this limit, the file will be deleted. |
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**/ |
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public function upload(File $file, $dest_folder = '', \DateTime $lifetime = null) |
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{ |
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//preparing dir name |
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$dest_folder = date('Ymd').'/'.date('G').'/'.$dest_folder; |
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//checking mimetypes |
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$mimeTypePassed = false; |
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foreach ($this->allowedMimetypes as $mimeType) { |
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if (preg_match('@'.$mimeType.'@', $file->getMimeType())) { |
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$mimeTypePassed = true; |
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} |
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} |
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if (!$mimeTypePassed) { |
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throw new InvalidMimeTypeException('Only following filetypes are allowed : '.implode(', ', $this->allowedMimetypes)); |
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} |
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$fs = new Filesystem(); |
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if (!$fs->exists($this->uploadDir.$dest_folder)) { |
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$fs->mkdir($this->uploadDir.$dest_folder); |
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} |
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$em = $this->entityManager; |
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$media = new Media(); |
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$media->setMime($file->getMimeType()); |
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// Sanitizing the filename |
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$slugify = new Slugify(); |
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if($file instanceof UploadedFile) { |
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$filename = $slugify->slugify($file->getClientOriginalName()); |
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} else { |
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$filename = $slugify->slugify($file->getFilename()); |
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} |
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// A media can have a lifetime and will be deleted with the cleanup function |
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if (!empty($lifetime)) { |
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$media->setLifetime($lifetime); |
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} |
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// Checking for a media with the same name |
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$mediaExists = $this->entityManager->getRepository('AlpixelMediaBundle:Media')->findOneByUri($dest_folder.$filename); |
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if (count($mediaExists) === 0) { |
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$mediaExists = $fs->exists($this->uploadDir.$dest_folder.$filename); |
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} |
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// If there's one, we try to generate a new name |
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$extension = $file->getExtension(); |
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if (empty($extension)) { |
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$extension = $file->guessExtension(); |
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} |
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if (count($mediaExists) > 0) { |
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$filename = basename($filename, '.'.$extension); |
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$i = 1; |
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do { |
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$media->setName($filename.'-'.$i++.'.'.$extension); |
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$media->setUri($dest_folder.$media->getName()); |
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$mediaExists = $this->entityManager->getRepository('AlpixelMediaBundle:Media')->findOneByUri($media->getUri()); |
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} while (count($mediaExists) > 0); |
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} else { |
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$media->setName($filename.'.'.$extension); |
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$media->setUri($dest_folder.$media->getName()); |
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} |
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$file->move($this->uploadDir.$dest_folder, $media->getName()); |
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chmod($this->uploadDir.$dest_folder.$media->getName(), 0664); |
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// Getting the salt defined in parameters.yml |
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$secret = $this->container->getParameter('secret'); |
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$media->setSecretKey(hash('sha256', $secret.$media->getName().$media->getUri())); |
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$em->persist($media); |
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$em->flush(); |
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return $media; |
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} |
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public function cleanup() |
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{ |
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$medias = $this->entityManager->getRepository('AlpixelMediaBundle:Media')->findExpiredMedias(); |
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foreach ($medias as $media) { |
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$this->delete($media); |
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} |
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} |
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public function delete(Media $media) |
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{ |
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$em = $this->entityManager; |
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$fs = new Filesystem(); |
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$file_path = $this->uploadDir.$media->getUri(); |
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try { |
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$file = new File($file_path); |
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if ($file->isFile() && $file->isWritable()) { |
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$fs->remove($file_path); |
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} |
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} catch (FileNotFoundException $e) { |
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} catch (IOException $e) { |
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} |
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$em->remove($media); |
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$em->flush(); |
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} |
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public function getUploadDir($filter = null) |
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{ |
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if (!empty($filter)) { |
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return $this->uploadDir.'filters/'.$filter.'/'; |
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} |
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return $this->uploadDir; |
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} |
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public function getWebPath(Media $media) |
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{ |
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$request = $this->container->get('request'); |
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$dir = $request->getSchemeAndHttpHost().$request->getBaseUrl().'/'; |
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return $dir.$media->getUri(); |
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} |
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public function getAbsolutePath(Media $media, $filter = null) |
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{ |
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$imgSrc = $this->uploadDir; |
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if (!empty($filter)) { |
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return $imgSrc.'filters/'.$filter.'/'.$media->getUri(); |
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} else { |
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return $imgSrc.$media->getUri(); |
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} |
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} |
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public function generateUrl(Media $media, $options) |
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{ |
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$defaultOptions = [ |
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'public' => true, |
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'action' => 'show', |
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'filter' => null, |
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'absolute' => false, |
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]; |
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$options = array_merge($defaultOptions, $options); |
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$params = []; |
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$routeName = 'media_'; |
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if ($options['action'] === 'download') { |
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$routeName .= 'download_'; |
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} else { |
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$routeName .= 'show_'; |
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} |
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if ($options['public'] === true) { |
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$routeName .= 'public'; |
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$params['id'] = $media->getId(); |
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$params['name'] = $media->getName(); |
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} else { |
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$routeName .= 'private'; |
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$params['secretKey'] = $media->getSecretKey(); |
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} |
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if ($options['filter'] !== null) { |
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if ($options['public'] === true) { |
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$routeName .= '_filters'; |
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} |
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$params['filter'] = $options['filter']; |
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} |
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$container = $this->container; |
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$router = $container->get('router'); |
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return $router->generate($routeName, $params, $options['absolute']); |
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} |
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public function findFromSecret($secret) |
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{ |
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return $this->entityManager->getRepository('AlpixelMediaBundle:Media')->findOneBySecretKey($secret); |
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} |
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public function setAllowedMimeTypes(array $type) |
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{ |
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if ($type !== null) { |
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$this->allowedMimetypes = $type; |
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} |
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return $this; |
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} |
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public function getAllowedMimeTypes() |
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{ |
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return $this->allowedMimetypes; |
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} |
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public function convertOctetIn($size, $convert) |
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{ |
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if ($convert > 0) { |
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$size = ($size / self::SIZE_OF_KIBIOCTET) * 1; |
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return $this->convertOctetIn($size, $convert - 1); |
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} |
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return $size; |
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} |
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} |
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