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<?php |
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declare(strict_types=1); |
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namespace Ecodev\Felix\Model\Traits; |
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use Doctrine\ORM\Mapping as ORM; |
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use Exception; |
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use GraphQL\Doctrine\Attribute as API; |
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use Psr\Http\Message\UploadedFileInterface; |
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/** |
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* Wrapping class for an uploaded file. |
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*/ |
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trait AbstractFile |
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{ |
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/** |
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* Get base path where the files are stored in the server. |
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*/ |
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abstract protected function getBasePath(): string; |
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/** |
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* Get list of accepted MIME types. |
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* |
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* @return string[] |
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*/ |
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abstract protected function getAcceptedMimeTypes(): array; |
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#[ORM\Column(type: 'string', length: 190, options: ['default' => ''])] |
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#[API\Exclude] |
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private string $filename = ''; |
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#[ORM\Column(type: 'string', length: 255, options: ['default' => ''])] |
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private string $mime = ''; |
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/** |
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* Set the file. |
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*/ |
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public function setFile(UploadedFileInterface $file): void |
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{ |
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$this->generateUniqueFilename($file->getClientFilename() ?? ''); |
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$path = $this->getPath(); |
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if (file_exists($path)) { |
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throw new Exception('A file already exist with the same name: ' . $this->getFilename()); |
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} |
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$file->moveTo($path); |
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$this->validateMimeType(); |
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} |
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/** |
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* Set filename (without path). |
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*/ |
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#[API\Exclude] |
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public function setFilename(string $filename): void |
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{ |
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$this->filename = $filename; |
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} |
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/** |
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* Get filename (without path). |
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*/ |
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#[API\Exclude] |
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public function getFilename(): string |
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{ |
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return $this->filename; |
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} |
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/** |
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* Get mime. |
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*/ |
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public function getMime(): string |
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{ |
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return $this->mime; |
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} |
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/** |
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* Get absolute path to file on disk. |
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*/ |
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#[API\Exclude] |
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public function getPath(): string |
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{ |
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return realpath('.') . '/' . $this->getBasePath() . $this->getFilename(); |
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} |
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/** |
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* Automatically called by Doctrine before the object is deleted. |
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* |
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* Without this, the record would not exist anymore in DB when we try to |
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* get the file path in `deleteFile()`. And then we could not delete the |
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* file on disk after the record deletion. |
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*/ |
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#[ORM\PreRemove] |
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public function triggerLazyLoading(): void |
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{ |
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$this->getPath(); |
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} |
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/** |
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* Automatically called by Doctrine when the object is deleted |
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* Is called after database update because we can have issues on remove operation (like integrity test) |
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* and it's preferable to keep a related file on drive before removing it definitely. |
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*/ |
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#[ORM\PostRemove] |
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public function deleteFile(): void |
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{ |
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$path = $this->getPath(); |
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if (file_exists($path) && is_file($path) && !str_contains($this->getFilename(), 'dw4jV3zYSPsqE2CB8BcP8ABD0.')) { |
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unlink($path); |
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} |
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} |
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/** |
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* Generate unique filename while trying to preserve original extension. |
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*/ |
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private function generateUniqueFilename(string $originalFilename): void |
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{ |
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$extension = pathinfo($originalFilename, PATHINFO_EXTENSION); |
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$filename = uniqid() . ($extension ? '.' . $extension : ''); |
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$this->setFilename($filename); |
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} |
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/** |
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* Delete file and throw exception if MIME type is invalid. |
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*/ |
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final protected function validateMimeType(): void |
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{ |
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$path = $this->getPath(); |
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$mime = mime_content_type($path); |
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if ($mime === false) { |
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throw new Exception('Could not get mimetype for path: ' . $path); |
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} |
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if ($mime === 'image/svg') { |
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$mime = 'image/svg+xml'; |
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} |
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// Validate mimetype |
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if (!in_array($mime, $this->getAcceptedMimeTypes(), true)) { |
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unlink($path); |
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throw new Exception('Invalid file type of: ' . $mime); |
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} |
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$this->mime = $mime; |
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} |
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} |
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Ecodev /
felix
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