RsaAuthService.php

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<?php
namespace ‪TYPO3\CMS\Rsaauth;
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
use ‪TYPO3\CMS\Core\Authentication\AuthenticationService;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
 
class ‪RsaAuthService extends ‪AuthenticationService
{
    protected ‪$rsaEncryptionDecoder;
 
    public ‪$extKey = 'rsaauth';
 
    public ‪$prefixId = 'tx_rsaauth_sv1';
 
    public function ‪processLoginData(array &$loginData, $passwordTransmissionStrategy)
    {
        $isProcessed = false;
        if ($passwordTransmissionStrategy === 'rsa') {
            $password = $loginData['uident'];
            if (strpos($password, 'rsa:') === 0) {
                $decryptedPassword = $this->‪getRsaEncryptionDecoder()->‪decrypt($password);
                if ($decryptedPassword !== $password) {
                    $loginData['uident_text'] = $decryptedPassword;
                    $isProcessed = true;
                } else {
                    $this->logger->debug('Process login data: Failed to RSA decrypt password');
                }
            } else {
                $this->logger->debug('Process login data: passwordTransmissionStrategy has been set to "rsa" but no rsa encrypted password has been found.');
            }
        }
        return $isProcessed;
    }
 
    public function ‪init()
    {
        return parent::init() && $this->‪getRsaEncryptionDecoder()->‪isAvailable();
    }
 
    protected function ‪getRsaEncryptionDecoder()
    {
        if ($this->rsaEncryptionDecoder === null) {
            $this->rsaEncryptionDecoder = GeneralUtility::makeInstance(RsaEncryptionDecoder::class);
        }
 
        return ‪$this->rsaEncryptionDecoder;
    }
}