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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of the TYPO3 CMS project. |
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* |
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* It is free software; you can redistribute it and/or modify it under |
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* the terms of the GNU General Public License, either version 2 |
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* of the License, or any later version. |
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* |
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* For the full copyright and license information, please read the |
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* LICENSE.txt file that was distributed with this source code. |
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* |
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* The TYPO3 project - inspiring people to share! |
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*/ |
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namespace TYPO3\CMS\Backend\Controller; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use TYPO3\CMS\Backend\Routing\UriBuilder; |
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use TYPO3\CMS\Backend\Template\ModuleTemplate; |
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use TYPO3\CMS\Core\Authentication\BackendUserAuthentication; |
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use TYPO3\CMS\Core\Authentication\Mfa\MfaProviderRegistry; |
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use TYPO3\CMS\Core\Localization\LanguageService; |
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use TYPO3\CMS\Core\Utility\GeneralUtility; |
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/** |
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* Abstract class for mfa controllers (configuration and authentication) |
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* |
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* @internal This class is a specific Backend controller implementation and is not considered part of the Public TYPO3 API. |
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*/ |
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abstract class AbstractMfaController |
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{ |
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protected ModuleTemplate $moduleTemplate; |
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protected UriBuilder $uriBuilder; |
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protected MfaProviderRegistry $mfaProviderRegistry; |
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protected array $mfaTsConfig; |
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protected bool $mfaRequired; |
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protected array $allowedProviders; |
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protected array $allowedActions = []; |
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public function __construct( |
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ModuleTemplate $moduleTemplate, |
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UriBuilder $uriBuilder, |
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MfaProviderRegistry $mfaProviderRegistry |
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) { |
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$this->moduleTemplate = $moduleTemplate; |
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$this->uriBuilder = $uriBuilder; |
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$this->mfaProviderRegistry = $mfaProviderRegistry; |
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$this->initializeMfaConfiguration(); |
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} |
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/** |
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* Main action for handling the request and returning the response |
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* |
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* @param ServerRequestInterface $request |
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* @return ResponseInterface |
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*/ |
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abstract public function handleRequest(ServerRequestInterface $request): ResponseInterface; |
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protected function isActionAllowed(string $action): bool |
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{ |
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return in_array($action, $this->allowedActions, true); |
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} |
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protected function isProviderAllowed(string $identifier): bool |
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{ |
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return isset($this->allowedProviders[$identifier]); |
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} |
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protected function isValidIdentifier(string $identifier): bool |
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{ |
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return $identifier !== '' |
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&& $this->isProviderAllowed($identifier) |
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&& $this->mfaProviderRegistry->hasProvider($identifier); |
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} |
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/** |
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* Initialize MFA configuration based on TSconfig and global configuration |
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*/ |
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protected function initializeMfaConfiguration(): void |
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{ |
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$this->mfaTsConfig = $this->getBackendUser()->getTSConfig()['auth.']['mfa.'] ?? []; |
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// Set up required state based on user TSconfig and global configuration |
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if (isset($this->mfaTsConfig['required'])) { |
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// user TSconfig overrules global configuration |
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$this->mfaRequired = (bool)($this->mfaTsConfig['required'] ?? false); |
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} else { |
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$globalConfig = (int)($GLOBALS['TYPO3_CONF_VARS']['BE']['requireMfa'] ?? 0); |
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if ($globalConfig <= 1) { |
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// 0 and 1 can directly be used by type-casting to boolean |
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$this->mfaRequired = (bool)$globalConfig; |
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} else { |
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// check the admin / non-admin options |
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$isAdmin = $this->getBackendUser()->isAdmin(); |
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$this->mfaRequired = ($globalConfig === 2 && !$isAdmin) || ($globalConfig === 3 && $isAdmin); |
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} |
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} |
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// Set up allowed providers based on user TSconfig and user groupData |
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$this->allowedProviders = array_filter($this->mfaProviderRegistry->getProviders(), function ($identifier) { |
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return $this->getBackendUser()->check('mfa_providers', $identifier) |
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&& !GeneralUtility::inList(($this->mfaTsConfig['disableProviders'] ?? ''), $identifier); |
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}, ARRAY_FILTER_USE_KEY); |
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} |
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protected function getBackendUser(): BackendUserAuthentication |
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{ |
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return $GLOBALS['BE_USER']; |
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} |
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protected function getLanguageService(): LanguageService |
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{ |
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return $GLOBALS['LANG']; |
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} |
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} |
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TYPO3 /
TYPO3.CMS
