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<?php |
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/* |
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* Copyright (C) 2020 Jan Böhmer |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as published |
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* by the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <https://www.gnu.org/licenses/>. |
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*/ |
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namespace App\Audit; |
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use DH\Auditor\Event\LifecycleEvent; |
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use DH\Auditor\Provider\Doctrine\Configuration; |
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use DH\Auditor\User\User; |
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use DH\Auditor\User\UserInterface as AuditorUserInterface; |
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use DH\Auditor\User\UserProviderInterface; |
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use Doctrine\Common\EventSubscriber; |
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use Doctrine\ORM\Event\LifecycleEventArgs; |
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use Doctrine\ORM\Event\PostFlushEventArgs; |
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use Doctrine\ORM\Events; |
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use Exception; |
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use Symfony\Component\Security\Core\Authentication\Token\SwitchUserToken; |
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use Symfony\Component\Security\Core\Security; |
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use Symfony\Component\Security\Core\User\UserInterface; |
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class UserProvider implements UserProviderInterface, EventSubscriber |
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{ |
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public const CLI_USER_IDENTIFER = '$cli'; |
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public const INTERNAL_USER_IDENTIFIER = '$internal'; |
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/** @var string|null */ |
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private $username; |
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/** @var string|null */ |
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private $identifier; |
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/** |
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* @var Security |
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*/ |
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private $security; |
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/** |
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* @var Configuration |
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*/ |
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private $configuration; |
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public function __construct(Security $security, Configuration $configuration) |
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{ |
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$this->security = $security; |
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$this->configuration = $configuration; |
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} |
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public function setManualUsername(?string $username, ?string $identifier): void |
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{ |
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$this->username = $username; |
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$this->identifier = $identifier; |
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} |
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public function postFlush(PostFlushEventArgs $args): void |
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{ |
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//Reset manual set username and identifier after flush |
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$this->username = null; |
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$this->identifier = null; |
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} |
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public function __invoke(): ?AuditorUserInterface |
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{ |
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$tokenUser = $this->getTokenUser(); |
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$impersonatorUser = $this->getImpersonatorUser(); |
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$identifier = null; |
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$username = null; |
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if (null !== $tokenUser && $tokenUser instanceof UserInterface) { |
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//Use full name of the user if possible |
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if ($tokenUser instanceof \App\Entity\User) { |
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$identifier = $tokenUser->getUsername(); |
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$username = (string) $tokenUser; |
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} else { |
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if (method_exists($tokenUser, 'getId')) { |
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$identifier = $tokenUser->getId(); |
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} |
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$username = $tokenUser->getUsername(); |
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} |
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} |
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if (null !== $impersonatorUser && $impersonatorUser instanceof UserInterface) { |
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$username .= sprintf('[impersonator %s]', $impersonatorUser->getUsername()); |
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} |
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//Check if a username and identifier were manually provided |
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if (!empty($this->username) && !empty($this->identifier)) { |
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$username = $this->username; |
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$identifier = $this->identifier; |
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} elseif ($this->is_cli()) { //Check if we are on command line, then use the username of the user |
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$identifier = self::CLI_USER_IDENTIFER; |
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$username = 'CLI'; |
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if (function_exists('posix_getpwuid') && function_exists('posix_geteuid')) { |
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$username = sprintf('CLI [%s]', posix_getpwuid(posix_geteuid())['name']); |
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} |
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} |
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if (null === $identifier && null === $username) { |
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return null; |
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} |
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return new User($identifier, $username); |
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} |
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private function is_cli(): bool |
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{ |
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if ( defined('STDIN') ) |
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{ |
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return true; |
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} |
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if ( php_sapi_name() === 'cli' ) |
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{ |
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return true; |
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} |
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if ( array_key_exists('SHELL', $_ENV) ) { |
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return true; |
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} |
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if ( empty($_SERVER['REMOTE_ADDR']) and !isset($_SERVER['HTTP_USER_AGENT']) and count($_SERVER['argv']) > 0) |
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{ |
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return true; |
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} |
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if ( !array_key_exists('REQUEST_METHOD', $_SERVER) ) |
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{ |
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return true; |
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} |
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return false; |
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} |
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/** |
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* @return null|UserInterface |
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*/ |
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private function getTokenUser() |
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{ |
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try { |
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$token = $this->security->getToken(); |
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} catch (Exception $e) { |
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$token = null; |
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} |
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if (null === $token) { |
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return null; |
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} |
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$tokenUser = $token->getUser(); |
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if ($tokenUser instanceof UserInterface) { |
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return $tokenUser; |
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} |
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return null; |
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} |
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/** |
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* @return null|string|UserInterface |
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*/ |
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private function getImpersonatorUser() |
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{ |
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$token = $this->security->getToken(); |
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// Symfony >= 5 |
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if (class_exists(SwitchUserToken::class) && $token instanceof SwitchUserToken) { |
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return $token->getOriginalToken()->getUser(); |
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} |
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return null; |
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} |
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public function getSubscribedEvents() |
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{ |
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return [ |
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Events::postFlush |
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]; |
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} |
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} |
jbtronics /
StuRa-Finanzsoftware
This check looks for parameters that have been defined for a function or method, but which are not used in the method body.