127 lines
4.3 KiB
PHP
127 lines
4.3 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\Security\SudoMode;
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use TYPO3\CMS\Core\Authentication\AbstractAuthenticationService;
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use TYPO3\CMS\Core\Authentication\BackendUserAuthentication;
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use TYPO3\CMS\Core\Crypto\PasswordHashing\InvalidPasswordHashException;
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use TYPO3\CMS\Core\Crypto\PasswordHashing\PasswordHashFactory;
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use TYPO3\CMS\Core\Http\ServerRequest;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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use TYPO3\CMS\Install\Controller\BackendModuleController;
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/**
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* Service for either verifying the password of the current backend user
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* session, or the admin tool password (without actually going through
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* the complete authentication process).
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*
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* @internal
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*/
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readonly class PasswordVerification
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{
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public function __construct(
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protected PasswordHashFactory $passwordHashFactory
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) {}
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/**
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* Verifies that provided password matches Install Tool password.
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*/
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public function verifyInstallToolPassword(string $password): bool
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{
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$installToolPassword = $GLOBALS['TYPO3_CONF_VARS']['BE']['installToolPassword'] ?? null;
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if ($password === '') {
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return false;
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}
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try {
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return $this->passwordHashFactory
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->get($installToolPassword, 'BE')
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->checkPassword($password, $installToolPassword);
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} catch (InvalidPasswordHashException) {
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return false;
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}
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}
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/**
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* Verifies that the provided password is actually correct for current backend user
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* by stepping through the authentication chain in `$GLOBALS['BE_USER]`.
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*/
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public function verifyBackendUserPassword(string $password, BackendUserAuthentication $backendUser): bool
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{
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if ($password === '') {
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return false;
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}
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// clone the current backend user object to avoid
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// possible side effects for the real instance
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$backendUser = clone $backendUser;
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$loginData = [
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'status' => 'sudo-mode',
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'origin' => BackendModuleController::class,
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'uname' => $backendUser->user['username'],
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'uident' => $password,
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];
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// currently there is no dedicated API to perform authentication
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// that's why this process partially has to be simulated here
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$fakeRequest = new ServerRequest();
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$loginData = $backendUser->processLoginData($loginData, $fakeRequest);
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$authInfo = $backendUser->getAuthInfoArray($fakeRequest);
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$authenticated = false;
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/** @var AbstractAuthenticationService $service or any other service (sic!) */
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foreach ($this->getAuthServices($backendUser, $loginData, $authInfo) as $service) {
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if (!method_exists($service, 'authUser')) {
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// The abstract does not cover this method, but the actual implementations do.
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// Happy PHPStan, happy life (or so).
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continue;
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}
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$ret = $service->authUser($backendUser->user);
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if ($ret <= 0) {
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return false;
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}
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if ($ret >= 200) {
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return true;
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}
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if ($ret < 100) {
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$authenticated = true;
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}
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}
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return $authenticated;
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}
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/**
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* Initializes authentication services to be used in a foreach loop
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*
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* @return \Generator<int, object>
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*/
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protected function getAuthServices(BackendUserAuthentication $backendUser, array $loginData, array $authInfo): \Generator
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{
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$serviceChain = [];
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$subType = 'authUserBE';
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while ($service = GeneralUtility::makeInstanceService('auth', $subType, $serviceChain)) {
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if (!$service instanceof AbstractAuthenticationService) {
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continue;
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}
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$serviceChain[] = $service->getServiceKey();
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$service->initAuth($subType, $loginData, $authInfo, $backendUser);
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yield $service;
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}
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}
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}
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