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<?php |
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namespace diecoding\flysystem\traits; |
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use Yii; |
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use yii\base\InvalidConfigException; |
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use yii\helpers\StringHelper; |
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/** |
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* Trait EncrypterTrait for Model |
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* |
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* @link https://sugengsulistiyawan.my.id/ |
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* @author Sugeng Sulistiyawan <[email protected]> |
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* @copyright Copyright (c) 2023 |
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*/ |
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trait EncrypterTrait |
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{ |
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/** |
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* @var string |
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*/ |
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private $_passphrase; |
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/** |
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* Init Encrypter |
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* |
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* @param string $passphrase |
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* |
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* @return void |
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* @throws InvalidConfigException |
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*/ |
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public function initEncrypter($passphrase) |
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{ |
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$this->normalizePassphrase($passphrase); |
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} |
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/** |
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* Encrypts a string. |
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* |
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* @param string $string the string to encrypt |
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* @return string the encrypted string |
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*/ |
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public function encrypt($string) |
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{ |
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$encrypted = Yii::$app->getSecurity()->encryptByPassword($string, $this->_passphrase); |
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return StringHelper::base64UrlEncode($encrypted); |
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} |
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/** |
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* Decrypts a string. |
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* False is returned in case it was not possible to decrypt it. |
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* |
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* @param string $string the string to decrypt |
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* @return string|bool the decrypted string or false on authentication failure |
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*/ |
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public function decrypt($string) |
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{ |
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$encrypted = StringHelper::base64UrlDecode($string); |
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$decrypted = Yii::$app->getSecurity()->decryptByPassword($encrypted, $this->_passphrase); |
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return $decrypted; |
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} |
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/** |
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* @param string $passphrase |
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* @param int $minPassphraseLength |
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* |
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* @return void |
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* @throws InvalidConfigException |
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*/ |
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private function normalizePassphrase($passphrase) |
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{ |
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$this->_passphrase = $passphrase; |
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if (empty($this->_passphrase)) { |
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throw new InvalidConfigException('The "passphrase" property must be set.'); |
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} |
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$minPassphraseLength = 32; |
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$passphraseLength = strlen($this->_passphrase); |
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if ($passphraseLength < $minPassphraseLength) { |
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$this->_passphrase = str_repeat($this->_passphrase, (int) ceil($minPassphraseLength / $passphraseLength)); |
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} |
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} |
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} |
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sugeng-sulistiyawan /
yii2-flysystem
