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<?php |
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/** |
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* Trait implementation of file encryption/decryption for asymmetric/symmetric encryption algorithms. |
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*/ |
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namespace CryptoManana\Core\Traits\MessageEncryption; |
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use CryptoManana\Core\Interfaces\MessageEncryption\FileEncryptionInterface as FileEncryptionSpecification; |
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use CryptoManana\Core\Interfaces\MessageEncryption\DataEncryptionInterface as DataEncryptionSpecification; |
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use CryptoManana\Core\Traits\CommonValidations\FileNameValidationTrait as ValidateFileNames; |
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/** |
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* Trait FileEncryptionTrait - Reusable implementation of `FileEncryptionInterface`. |
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* |
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* @see \CryptoManana\Core\Interfaces\MessageDigestion\FileEncryptionInterface The abstract specification. |
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* |
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* @package CryptoManana\Core\Traits\MessageEncryption |
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* |
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* @mixin FileEncryptionSpecification |
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* @mixin DataEncryptionSpecification |
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* @mixin ValidateFileNames |
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*/ |
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trait FileEncryptionTrait |
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{ |
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/** |
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* File name and path validations. |
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* |
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* {@internal Reusable implementation of the common file name validation. }} |
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*/ |
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use ValidateFileNames; |
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/** |
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* Encrypts the content of a given plain file. |
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* |
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* @param string $filename The full path and name of the file for encryption. |
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* |
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* @return string The encrypted file content. |
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* @throws \Exception Validation errors. |
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*/ |
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public function encryptFile($filename) |
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{ |
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if (!is_string($filename)) { |
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throw new \InvalidArgumentException('The file path must be of type string.'); |
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} |
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$this->validateFileNamePath($filename); |
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return $this->encryptData(file_get_contents($filename)); |
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} |
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/** |
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* Decrypts the content of a given encrypted file. |
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* |
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* @param string $filename The full path and name of the file for encryption. |
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* |
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* @return string The decrypted file content. |
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* @throws \Exception Validation errors. |
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*/ |
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public function decryptFile($filename) |
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{ |
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if (!is_string($filename)) { |
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throw new \InvalidArgumentException('The file path must be of type string.'); |
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} |
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$this->validateFileNamePath($filename); |
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return $this->decryptData(file_get_contents($filename)); |
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} |
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} |
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