9.5/_rsa_encryption_encoder_8php_source.html

<?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;

    }

}