RsaEncryptionEncoder.php

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<?php
declare(strict_types = 1);
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 Psr\Http\Message\ResponseInterface;
use ‪TYPO3\CMS\Core\Http\HtmlResponse;
use ‪TYPO3\CMS\Core\Http\Response;
use ‪TYPO3\CMS\Core\Page\PageRenderer;
use ‪TYPO3\CMS\Core\SingletonInterface;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
 
class ‪RsaEncryptionEncoder implements ‪SingletonInterface
{
    protected ‪$moduleLoaded = false;
 
    protected ‪$pageRenderer;
 
    public function ‪enableEncryptionFromBackendControllerPostConstructor()
    {
        $this->‪enableRsaEncryption(true);
    }
 
    public function ‪enableRsaEncryption($useRequireJsModule = false)
    {
        if ($this->moduleLoaded || !$this->‪isAvailable()) {
            return;
        }
        $this->moduleLoaded = true;
        ‪$pageRenderer = GeneralUtility::makeInstance(PageRenderer::class);
        // Include necessary javascript files
        if ($useRequireJsModule) {
            ‪$pageRenderer->‪loadRequireJsModule('TYPO3/CMS/Rsaauth/RsaEncryptionModule');
        } else {
            // Register ajax handler url
            $code = 'var TYPO3RsaEncryptionPublicKeyUrl = ' . GeneralUtility::quoteJSvalue(GeneralUtility::getIndpEnv('TYPO3_SITE_PATH') . 'index.php?eID=RsaPublicKeyGenerationController') . ';';
            ‪$pageRenderer->‪addJsInlineCode('TYPO3RsaEncryptionPublicKeyUrl', $code);
            if (!‪$GLOBALS['TYPO3_CONF_VARS'][TYPO3_MODE]['debug']) {
                $files = ['RsaEncryptionWithLib.min.js'];
            } else {
                $files = [
                    'RsaLibrary.js',
                    'RsaEncryption.js',
                ];
            }
            foreach ($files as $file) {
                ‪$pageRenderer->‪addJsFile('EXT:rsaauth/Resources/Public/JavaScript/' . $file);
            }
        }
    }
 
    public function ‪isAvailable()
    {
        return trim(‪$GLOBALS['TYPO3_CONF_VARS'][TYPO3_MODE]['loginSecurityLevel']) === 'rsa';
    }
 
    public function ‪getRsaPublicKey(): ?‪Keypair
    {
        $keyPair = null;
        $backend = ‪Backend\BackendFactory::getBackend();
 
        if ($backend !== null) {
            $keyPair = $backend->createNewKeyPair();
            $storage = ‪Storage\StorageFactory::getStorage();
            $storage->put($keyPair->getPrivateKey());
            session_commit();
        }
 
        return $keyPair;
    }
 
    public function ‪getRsaPublicKeyAjaxHandler(): ResponseInterface
    {
        trigger_error('Method getRsaPublicKeyAjaxHandler() will be removed in TYPO3 v10.0.', E_USER_DEPRECATED);
 
        $keyPair = $this->‪getRsaPublicKey();
        if ($keyPair !== null) {
            return new ‪HtmlResponse(
                implode('', [
                    'publicKeyModulus' => $keyPair->getPublicKeyModulus(),
                    'spacer' => ':',
                    'exponent' => sprintf('%x', $keyPair->getExponent())
                ])
            );
        }
 
        $response = new ‪Response('php://temp', 500, ['Content-Type' => 'application/json; charset=utf-8']);
        $response->getBody()->write('No OpenSSL backend could be obtained for rsaauth.');
        return $response;
    }
}