TYPO3 v15 dev-main snapshot ()
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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\Install\Middleware;
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use Psr\Container\ContainerInterface;
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use Psr\Http\Message\ResponseInterface;
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use Psr\Http\Message\ServerRequestInterface;
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use Psr\Http\Server\MiddlewareInterface;
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use Psr\Http\Server\RequestHandlerInterface;
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use TYPO3\CMS\Core\Configuration\ConfigurationManager;
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use TYPO3\CMS\Core\Configuration\Features;
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use TYPO3\CMS\Core\Crypto\PasswordHashing\PasswordHashFactory;
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use TYPO3\CMS\Core\FormProtection\FormProtectionFactory;
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use TYPO3\CMS\Core\Http\HtmlResponse;
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use TYPO3\CMS\Core\Http\JsonResponse;
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use TYPO3\CMS\Core\Http\Security\ReferrerEnforcer;
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use TYPO3\CMS\Core\Messaging\FlashMessage;
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use TYPO3\CMS\Core\Messaging\FlashMessageQueue;
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use TYPO3\CMS\Core\Package\FailsafePackageManager;
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use TYPO3\CMS\Core\Type\ContextualFeedbackSeverity;
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use TYPO3\CMS\Install\Authentication\AuthenticationService;
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use TYPO3\CMS\Install\Controller\AbstractController;
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use TYPO3\CMS\Install\Controller\EnvironmentController;
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use TYPO3\CMS\Install\Controller\IconController;
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use TYPO3\CMS\Install\Controller\LayoutController;
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use TYPO3\CMS\Install\Controller\LoginController;
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use TYPO3\CMS\Install\Controller\MaintenanceController;
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use TYPO3\CMS\Install\Controller\SettingsController;
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use TYPO3\CMS\Install\Controller\UpgradeController;
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use TYPO3\CMS\Install\Service\EnableFileService;
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use TYPO3\CMS\Install\Service\SessionService;
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/**
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* Default middleware for all requests inside the TYPO3 Install Tool, which does a simple hardcoded
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* dispatching to a controller based on the get/post variable.
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* @internal This class is only meant to be used within EXT:install and is not part of the TYPO3 Core API.
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*/
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class Maintenance implements MiddlewareInterface
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{
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/**
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* @var array List of valid controllers
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*/
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protected array $controllers = [
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'icon' => IconController::class,
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'layout' => LayoutController::class,
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'login' => LoginController::class,
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'maintenance' => MaintenanceController::class,
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'settings' => SettingsController::class,
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'upgrade' => UpgradeController::class,
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'environment' => EnvironmentController::class,
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];
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public function __construct(
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protected readonly FailsafePackageManager $packageManager,
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protected readonly ConfigurationManager $configurationManager,
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protected readonly PasswordHashFactory $passwordHashFactory,
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protected readonly ContainerInterface $container,
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protected readonly FormProtectionFactory $formProtectionFactory,
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protected readonly SessionService $sessionService
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) {}
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/**
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* Handles an Install Tool request for normal operations
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*/
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
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{
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if (!$this->canHandleRequest()) {
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return $handler->handle($request);
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}
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if (($GLOBALS['TYPO3_CONF_VARS']['BE']['installToolPassword'] ?? '') === '') {
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return new HtmlResponse('$GLOBALS[\'TYPO3_CONF_VARS\'][\'BE\'][\'installToolPassword\'] must not be empty.', 500);
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}
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// This is required for icon API, that still has no way to pass
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// a request/ normalizedParams to the icon URL generation
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$GLOBALS['TYPO3_REQUEST'] = $request;
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$controllerName = $request->getQueryParams()['install']['controller'] ?? 'layout';
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$actionName = $request->getParsedBody()['install']['action'] ?? $request->getQueryParams()['install']['action'] ?? 'init';
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if ($actionName === 'showEnableInstallToolFile' && EnableFileService::isInstallToolEnableFilePermanent()) {
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$actionName = 'showLogin';
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}
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$action = $actionName . 'Action';
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// not session related actions
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if ($actionName === 'init') {
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$controller = $this->container->get(LayoutController::class);
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return $controller->initAction($request);
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}
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if ($actionName === 'checkEnableInstallToolFile') {
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return new JsonResponse([
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'success' => $this->checkEnableInstallToolFile(),
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]);
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}
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if ($actionName === 'showEnableInstallToolFile') {
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$controller = $this->container->get(LoginController::class);
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return $controller->showEnableInstallToolFileAction($request);
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}
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if ($actionName === 'showLogin') {
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if (!$this->checkEnableInstallToolFile()) {
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throw new \RuntimeException('Not authorized', 1505564888);
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}
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$controller = $this->container->get(LoginController::class);
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return $controller->showLoginAction($request);
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}
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$this->sessionService->installSessionHandler($request);
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// the backend user has an active session but the admin / maintainer
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// rights have been revoked or the user was disabled or deleted in the meantime
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if ($this->sessionService->isAuthorizedBackendUserSession($request) && !$this->sessionService->hasActiveBackendUserRoleAndSession()) {
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// log out the user and destroy the session
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$this->sessionService->resetSession();
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$this->sessionService->destroySession($request);
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$formProtection = $this->formProtectionFactory->createFromRequest($request);
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$formProtection->clean();
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return new HtmlResponse('', 403);
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}
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if ($actionName === 'preAccessCheck') {
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$response = new JsonResponse([
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'installToolLocked' => !$this->checkEnableInstallToolFile(),
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'isAuthorized' => $this->sessionService->isAuthorized($request),
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]);
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} elseif ($actionName === 'checkLogin') {
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if (!$this->checkEnableInstallToolFile() && !$this->sessionService->isAuthorizedBackendUserSession($request)) {
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throw new \RuntimeException('Not authorized', 1505563556);
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}
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if ($this->sessionService->isAuthorized($request)) {
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$this->sessionService->refreshSession();
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$response = new JsonResponse([
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'success' => true,
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]);
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} else {
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// Session expired, log out user, start new session
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$this->sessionService->resetSession();
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$this->sessionService->startSession();
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$response = new JsonResponse([
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'success' => false,
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]);
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}
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} elseif ($actionName === 'login') {
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$this->sessionService->initializeSession();
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if (!$this->checkEnableInstallToolFile()) {
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throw new \RuntimeException('Not authorized', 1505567462);
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}
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$this->checkSessionToken($request);
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$this->checkSessionLifetime($request);
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$password = $request->getParsedBody()['install']['password'] ?? null;
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$authService = $this->container->get(AuthenticationService::class);
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if ($authService->loginWithPassword($password, $request, $this->sessionService)) {
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$response = new JsonResponse([
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'success' => true,
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]);
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} else {
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if ($password === null || empty($password)) {
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$messageQueue = new FlashMessageQueue('install');
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$messageQueue->enqueue(
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new FlashMessage('Please enter the install tool password', '', ContextualFeedbackSeverity::ERROR)
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);
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} else {
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$hashInstance = $this->passwordHashFactory->getDefaultHashInstance('BE');
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$hashedPassword = $hashInstance->getHashedPassword($password);
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$messageQueue = new FlashMessageQueue('install');
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$messageQueue->enqueue(
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new FlashMessage(
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'Given password does not match the install tool login password. Calculated hash: ' . $hashedPassword,
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'',
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ContextualFeedbackSeverity::ERROR
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)
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);
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}
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$response = new JsonResponse([
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'success' => false,
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'status' => $messageQueue,
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]);
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}
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} elseif ($actionName === 'logout') {
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if (EnableFileService::installToolEnableFileExists() && !EnableFileService::isInstallToolEnableFilePermanent()) {
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EnableFileService::removeInstallToolEnableFile();
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}
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$formProtection = $this->formProtectionFactory->createFromRequest($request);
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$formProtection->clean();
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$this->sessionService->destroySession($request);
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$response = new JsonResponse([
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'success' => true,
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]);
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} else {
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$enforceReferrerResponse = $this->enforceReferrer($request);
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if ($enforceReferrerResponse !== null) {
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return $enforceReferrerResponse;
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}
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$this->sessionService->initializeSession();
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if (
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!$this->checkSessionToken($request)
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|| !$this->checkSessionLifetime($request)
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|| !$this->sessionService->isAuthorized($request)
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) {
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return new HtmlResponse('', 403);
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}
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$this->sessionService->refreshSession();
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if (!array_key_exists($controllerName, $this->controllers)) {
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throw new \RuntimeException(
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'Unknown controller ' . $controllerName,
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1505215756
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);
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}
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$this->packageManager->recreatePackageStatesFileIfMissing();
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$className = $this->controllers[$controllerName];
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/** @var AbstractController $controller */
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$controller = $this->container->get($className);
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if (!method_exists($controller, $action)) {
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throw new \RuntimeException(
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'Unknown action method ' . $action . ' in controller ' . $controllerName,
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1505216027
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);
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}
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$response = $controller->$action($request);
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}
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return $response;
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}
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/**
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* This request handler is only accessible when basic system integrity constraints are fulfilled.
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*/
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protected function canHandleRequest(): bool
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{
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$basicIntegrity = $this->checkIfEssentialConfigurationExists() && !EnableFileService::isFirstInstallAllowed();
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if (!$basicIntegrity) {
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return false;
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}
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return true;
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}
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/**
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* Checks if ENABLE_INSTALL_TOOL exists.
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*/
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protected function checkEnableInstallToolFile(): bool
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{
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return EnableFileService::checkInstallToolEnableFile();
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}
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/**
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* Use form protection API to find out if protected POST forms are ok.
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*/
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protected function checkSessionToken(ServerRequestInterface $request): bool
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{
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$postValues = $request->getParsedBody()['install'] ?? null;
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// no post data is there, so no token check necessary
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if (empty($postValues)) {
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return true;
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}
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$tokenOk = false;
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// A token must be given as soon as there is POST data
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if (isset($postValues['token'])) {
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$formProtection = $this->formProtectionFactory->createFromRequest($request);
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$action = (string)$postValues['action'];
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if ($action === '') {
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throw new \RuntimeException(
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'No POST action given for token check',
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1369326593
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);
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}
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$tokenOk = $formProtection->validateToken($postValues['token'], 'installTool', $action);
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}
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if (!$tokenOk) {
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$this->sessionService->resetSession();
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$this->sessionService->startSession();
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}
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return $tokenOk;
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}
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/**
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* Check if session expired.
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* If the session has expired, the login form is displayed.
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*
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* @return bool True if session lifetime is OK
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*/
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protected function checkSessionLifetime(ServerRequestInterface $request): bool
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{
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$isExpired = $this->sessionService->isExpired($request);
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if ($isExpired) {
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// Session expired, log out user, start new session
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$this->sessionService->resetSession();
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$this->sessionService->startSession();
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}
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return !$isExpired;
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}
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/**
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* Check if system/settings.php exists (PackageStates is optional)
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*
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* @return bool TRUE when the essential configuration is available, otherwise FALSE
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*/
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protected function checkIfEssentialConfigurationExists(): bool
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{
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return file_exists($this->configurationManager->getSystemConfigurationFileLocation());
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}
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/**
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* Evaluates HTTP `Referer` header (which is denied by client to be a custom
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* value) - attempts to ensure the value is given using a HTML client refresh.
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* see: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Referer
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*/
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protected function enforceReferrer(ServerRequestInterface $request): ?ResponseInterface
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{
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if (!(new Features())->isFeatureEnabled('security.backend.enforceReferrer')) {
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return null;
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}
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return (new ReferrerEnforcer())->handle($request, [
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'flags' => ['refresh-always'],
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'subject' => 'Install Tool',
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]);
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}
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}
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