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<?php |
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/* |
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* 2017 Romain CANON <[email protected]> |
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* |
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* This file is part of the TYPO3 FormZ project. |
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* It is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License, either |
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* version 3 of the License, or any later version. |
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* |
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* For the full copyright and license information, see: |
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* http://www.gnu.org/licenses/gpl-3.0.html |
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*/ |
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namespace Romm\Formz\Service; |
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use Romm\Formz\Exceptions\ExtensionNotLoadedException; |
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use Romm\Formz\Service\Traits\SelfInstantiateTrait; |
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use TYPO3\CMS\Core\SingletonInterface; |
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class HashService implements SingletonInterface |
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{ |
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use SelfInstantiateTrait; |
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/** |
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* @var string |
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*/ |
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protected $sslCipher = 'AES-256-CBC'; //@todo |
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/** |
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* @var string |
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*/ |
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protected $sslPassword = 'password!'; //@todo |
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/** |
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* @param string $value |
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* @return string |
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*/ |
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public function getHash($value) |
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{ |
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return hash('sha256', $value); |
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} |
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/** |
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* Encrypts data using OpenSSL library. |
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* |
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* @param mixed $data |
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* @return string |
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*/ |
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public function encrypt($data) |
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{ |
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$this->checkOpenSslAvailability(); |
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return openssl_encrypt(json_encode($data), $this->sslCipher, $this->sslPassword); |
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} |
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/** |
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* Decrypts a hashed string using OpenSSL library. |
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* |
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* @param string $string |
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* @return mixed |
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*/ |
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public function decrypt($string) |
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{ |
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$this->checkOpenSslAvailability(); |
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$data = openssl_decrypt($string, $this->sslCipher, $this->sslPassword); |
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return $data === false |
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? false |
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: json_decode($data, true); |
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} |
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/** |
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* Checks that the `openssl` PHP extension is loaded. |
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* |
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* @throws ExtensionNotLoadedException |
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*/ |
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protected function checkOpenSslAvailability() |
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{ |
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if (false === extension_loaded('openssl')) { |
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throw ExtensionNotLoadedException::openSslNotLoaded(); |
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} |
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} |
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} |
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romm /
formz
