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<?php |
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declare(strict_types=1); |
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namespace WebServCo\Framework\Files\Upload; |
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use WebServCo\Framework\Exceptions\UploadException; |
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/** |
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* Advanced functionality. |
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* |
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* Uses validation and preprocessing |
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*/ |
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abstract class AbstractFileUploadProcessor |
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{ |
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abstract protected function generateUploadedFileName(string $uploadFileName, string $uploadFileMimeType): string; |
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abstract protected function processUploadedFileBeforeSaving(string $filePath): bool; |
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abstract protected function validateUploadedFileBeforeSaving(string $filePath): bool; |
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/** |
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* @param array<string,string> $allowedExtensions |
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*/ |
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public function __construct(protected array $allowedExtensions) |
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{ |
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} |
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/** |
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* @param array<int|string,mixed> $uploadedFiles |
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*/ |
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public function handleUpload(string $fieldName, string $uploadDirectory, array $uploadedFiles): ?string |
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{ |
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if ([] === $uploadedFiles) { |
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return null; |
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} |
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if (!isset($uploadedFiles[$fieldName]['error'])) { |
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throw new UploadException(Codes::NO_FILE); |
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} |
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if (Codes::OK !== $uploadedFiles[$fieldName]['error']) { |
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throw new UploadException($uploadedFiles[$fieldName]['error']); |
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} |
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$this->validateFileMimeType($uploadedFiles[$fieldName]['type']); |
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$this->validateUploadedFileBeforeSaving($uploadedFiles[$fieldName]['tmp_name']); |
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$this->processUploadedFileBeforeSaving($uploadedFiles[$fieldName]['tmp_name']); |
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$uploadedFileName = $this->generateUploadedFileName( |
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$uploadedFiles[$fieldName]['name'], |
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$uploadedFiles[$fieldName]['type'], |
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); |
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$uploadPath = $uploadDirectory . $uploadedFileName; |
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\umask(0002); |
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$result = \move_uploaded_file($uploadedFiles[$fieldName]['tmp_name'], $uploadPath); |
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if (false === $result) { |
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throw new UploadException(Codes::CANT_WRITE); |
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} |
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return $uploadedFileName; |
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} |
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private function validateFileMimeType(string $fileMimeType): bool |
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{ |
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if ([] === $this->allowedExtensions) { |
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// All extensions allowed. |
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return true; |
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} |
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if (\array_key_exists($fileMimeType, $this->allowedExtensions)) { |
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return true; |
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} |
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throw new UploadException(Codes::TYPE_NOT_ALLOWED); |
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} |
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} |
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webservco /
framework
