129 lines
4.5 KiB
PHP
129 lines
4.5 KiB
PHP
<?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\Hooks;
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use Psr\EventDispatcher\EventDispatcherInterface;
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use Symfony\Component\DependencyInjection\Attribute\Autoconfigure;
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use TYPO3\CMS\Backend\Middleware\SudoModeInterceptor;
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use TYPO3\CMS\Backend\Security\SudoMode\Access\AccessFactory;
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use TYPO3\CMS\Backend\Security\SudoMode\Access\AccessStorage;
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use TYPO3\CMS\Backend\Security\SudoMode\Event\SudoModeRequiredEvent;
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use TYPO3\CMS\Backend\Security\SudoMode\Exception\VerificationRequiredException;
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use TYPO3\CMS\Core\DataHandling\DataHandler;
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use TYPO3\CMS\Core\Schema\TcaSchemaFactory;
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/**
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* DataHandler hook to ensure that columns that require a specific
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* authenticationContext are covered by a recent step-up authentication
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*
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* @internal
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*/
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#[Autoconfigure(public: true)]
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final readonly class DataHandlerAuthenticationContext
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{
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public function __construct(
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private AccessFactory $factory,
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private AccessStorage $storage,
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private TcaSchemaFactory $tcaSchemaFactory,
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private SudoModeInterceptor $sudoModeInterceptor,
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private EventDispatcherInterface $eventDispatcher,
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) {}
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public function processDatamap_postProcessFieldArray(
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string $mode,
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string $tableName,
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string|int $id,
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array $fieldArray,
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DataHandler $dataHandler
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): void {
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if ($dataHandler->isImporting || $dataHandler->bypassAccessCheckForRecords) {
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return;
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}
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$request = $this->sudoModeInterceptor->currentRequest;
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if ($request === null) {
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// Not in a backend request where the sudoMode interceptor middleware was active
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return;
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}
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$schema = $this->tcaSchemaFactory->get($tableName);
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$subjects = [];
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$id = (string)$id;
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foreach ($schema->getFields() as $columnName => $fieldInformation) {
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$authenticationContextConfig = $fieldInformation->getConfiguration()['authenticationContext'] ?? null;
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if ($authenticationContextConfig === null) {
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continue;
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}
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$subject = $this->factory->buildTableAccessSubject(
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$tableName,
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$columnName,
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str_starts_with($id, 'NEW') ? 'NEW' : $id,
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$authenticationContextConfig
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);
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$grants = $this->storage->findGrantsBySubject($subject);
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$hasGrant = $grants !== [];
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$subjects[$columnName] = [
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'subject' => $subject,
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'grants' => $grants,
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'hasGrant' => $hasGrant,
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];
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}
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$requiredSubjects = [];
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foreach ($fieldArray as $identifier => $value) {
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$subjectInfo = $subjects[$identifier] ?? null;
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if ($subjectInfo === null) {
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continue;
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}
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if ($subjectInfo['hasGrant']) {
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continue;
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}
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$subject = $subjectInfo['subject'];
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$requiredSubjects[$subject->getIdentity()] = $subject;
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}
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if ($requiredSubjects !== []) {
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$claim = $this->factory->buildClaimForSubjectRequest($request, self::class, ...array_values($requiredSubjects));
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$event = new SudoModeRequiredEvent($claim);
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$this->eventDispatcher->dispatch($event);
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if ($event->isVerificationRequired()) {
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throw (new VerificationRequiredException(
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'Authentication Context Confirmation Required',
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1743597646
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))->withClaim($claim);
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}
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}
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$this->consumeNonRepeatableGrants($subjects);
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}
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private function consumeNonRepeatableGrants(array $subjects): void
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{
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// Consume (remove from storage) non-repeatable grants.
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// Non-repeatable grants have been marked with `once` in the subject configration.
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foreach ($subjects as $columnName => $subjectInfo) {
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if ($subjectInfo['subject']->isOnce()) {
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foreach ($subjectInfo['grants'] as $grant) {
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$this->storage->removeGrant($grant);
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}
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}
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}
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}
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}
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