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<?php |
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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\Core\Authentication; |
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use TYPO3\CMS\Core\Core\Environment; |
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use TYPO3\CMS\Core\Crypto\PasswordHashing\PasswordHashFactory; |
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use TYPO3\CMS\Core\Crypto\Random; |
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use TYPO3\CMS\Core\Database\ConnectionPool; |
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use TYPO3\CMS\Core\Database\Query\Restriction\DeletedRestriction; |
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use TYPO3\CMS\Core\Utility\GeneralUtility; |
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/** |
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* TYPO3 backend user authentication on a CLI level |
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* Auto-logs in, only allowed on CLI |
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*/ |
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class CommandLineUserAuthentication extends BackendUserAuthentication |
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{ |
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/** |
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* The username of the CLI user (there is only one) |
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* @var string |
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*/ |
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protected $username = '_cli_'; |
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/** |
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* Constructor, only allowed in CLI mode |
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* |
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* @throws \RuntimeException |
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*/ |
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public function __construct() |
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{ |
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if (!Environment::isCli()) { |
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throw new \RuntimeException('Creating a CLI-based user object on non-CLI level is not allowed', 1483971165); |
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} |
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if (!$this->isUserAllowedToLogin()) { |
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throw new \RuntimeException('Login Error: TYPO3 is in maintenance mode at the moment. Only administrators are allowed access.', 1483971855); |
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} |
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$this->dontSetCookie = true; |
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parent::__construct(); |
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} |
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/** |
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* Replacement for AbstractUserAuthentication::start() |
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* |
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* We do not need support for sessions, cookies, $_GET-modes, the postUserLookup hook or |
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* a database connection during CLI Bootstrap |
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*/ |
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public function start() |
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{ |
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// do nothing |
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} |
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/** |
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* Replacement for AbstractUserAuthentication::checkAuthentication() |
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* |
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* Not required in CLI mode, therefore empty. |
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*/ |
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public function checkAuthentication() |
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{ |
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// do nothing |
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} |
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/** |
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* On CLI there is no session and no switched user |
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*/ |
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public function getOriginalUserIdWhenInSwitchUserMode(): ?int |
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{ |
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return null; |
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} |
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/** |
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* Logs-in the _CLI_ user. It does not need to check for credentials. |
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* |
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* @throws \RuntimeException when the user could not log in or it is an admin |
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*/ |
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public function authenticate() |
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{ |
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// check if a _CLI_ user exists, if not, create one |
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$this->setBeUserByName($this->username); |
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if (!$this->user['uid']) { |
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// create a new BE user in the database |
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if (!$this->checkIfCliUserExists()) { |
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$this->createCliUser(); |
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} else { |
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throw new \RuntimeException('No backend user named "_cli_" could be authenticated, maybe this user is "hidden"?', 1484050401); |
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} |
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$this->setBeUserByName($this->username); |
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} |
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if (!$this->user['uid']) { |
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throw new \RuntimeException('No backend user named "_cli_" could be created.', 1476107195); |
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} |
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// The groups are fetched and ready for permission checking in this initialization. |
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$this->fetchGroupData(); |
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$this->backendSetUC(); |
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} |
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/** |
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* Logs in the TYPO3 Backend user "_cli_" |
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* |
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* @param bool $proceedIfNoUserIsLoggedIn if this option is set, then there won't be a redirect to the login screen of the Backend - used for areas in the backend which do not need user rights like the login page. |
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*/ |
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public function backendCheckLogin($proceedIfNoUserIsLoggedIn = false) |
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{ |
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$this->authenticate(); |
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} |
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/** |
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* Determines whether a CLI backend user is allowed to access TYPO3. |
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* Only when adminOnly is off (=0), and only allowed for admins and CLI users (=2) |
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* |
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* @return bool Whether the CLI user is allowed to access TYPO3 |
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*/ |
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protected function isUserAllowedToLogin() |
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{ |
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return in_array((int)$GLOBALS['TYPO3_CONF_VARS']['BE']['adminOnly'], [0, 2], true); |
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} |
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/** |
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* Check if a user with username "_cli_" exists. Deleted users are left out |
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* but hidden and start / endtime restricted users are considered. |
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* |
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* @return bool true if the user exists |
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*/ |
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protected function checkIfCliUserExists() |
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{ |
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$queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable('be_users'); |
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$queryBuilder->getRestrictions() |
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->removeAll() |
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->add(GeneralUtility::makeInstance(DeletedRestriction::class)); |
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$count = $queryBuilder |
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->count('*') |
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->from('be_users') |
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->where($queryBuilder->expr()->eq('username', $queryBuilder->createNamedParameter('_cli_'))) |
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->execute() |
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->fetchColumn(0); |
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return (bool)$count; |
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} |
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/** |
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* Create a record in the DB table be_users called "_cli_" with no other information |
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*/ |
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protected function createCliUser() |
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{ |
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$userFields = [ |
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'username' => $this->username, |
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'password' => $this->generateHashedPassword(), |
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'admin' => 1, |
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'tstamp' => $GLOBALS['EXEC_TIME'], |
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'crdate' => $GLOBALS['EXEC_TIME'] |
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]; |
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$databaseConnection = GeneralUtility::makeInstance(ConnectionPool::class) |
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->getConnectionForTable('be_users'); |
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$databaseConnection->insert('be_users', $userFields); |
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} |
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/** |
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* This function returns a salted hashed key. |
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* |
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* @return string a random password |
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*/ |
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protected function generateHashedPassword() |
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{ |
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$cryptoService = GeneralUtility::makeInstance(Random::class); |
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$password = $cryptoService->generateRandomBytes(20); |
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$hashInstance = GeneralUtility::makeInstance(PasswordHashFactory::class)->getDefaultHashInstance('BE'); |
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return $hashInstance->getHashedPassword($password); |
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} |
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} |
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TYPO3 /
TYPO3.CMS
