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<?php |
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declare(strict_types=1); |
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namespace Application\Middleware; |
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use Application\Enum\Site; |
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use Application\Model\User; |
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use Application\Repository\UserRepository; |
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use Mezzio\Session\SessionInterface; |
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use Mezzio\Session\SessionMiddleware; |
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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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class AuthenticationMiddleware implements MiddlewareInterface |
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{ |
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public function __construct(private readonly UserRepository $userRepository, private readonly Site $site) |
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{ |
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} |
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/** |
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* Load current user from session if exists and still valid. |
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*/ |
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface |
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{ |
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/** @var SessionInterface $session */ |
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$session = $request->getAttribute(SessionMiddleware::SESSION_ATTRIBUTE); |
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/** @var array $serverParams */ |
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$serverParams = $request->getServerParams(); |
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$this->shibboleth($session, $serverParams); |
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if ($session->has('user')) { |
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$user = $this->userRepository->getOneById($session->get('user')); |
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if ($user && $user->canLogin()) { |
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User::setCurrent($user); |
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} |
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// If we were supposed to be logged in, but the user is not available anymore, that means the user |
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// was forcibly logged out (likely deleted), so we clear his entire session |
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if (!User::getCurrent()) { |
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$session->clear(); |
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} |
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} |
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return $handler->handle($request); |
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} |
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/** |
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* Check if Shibboleth session is available and if the user is already created in the database. |
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*/ |
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private function shibboleth(SessionInterface $session, array $serverParams): void |
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{ |
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if (array_key_exists('Shib-Identity-Provider', $serverParams) && !$session->has('user')) { |
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// User has Shibboleth session but no user session |
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if (array_key_exists('mail', $serverParams)) { |
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// Check for the user in the db |
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$user = $this->userRepository->getOneByEmail($serverParams['mail'], $this->site); |
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if (!$user) { |
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$login = $this->generateShibbolethLogin($serverParams); |
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// Create user if a Shibboleth session is found but user cannot be found in the db |
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$user = $this->userRepository->createShibboleth( |
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$login, |
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$serverParams['mail'], |
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$this->site |
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); |
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} |
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$session->set('user', $user->getId()); |
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} |
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} |
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} |
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/** |
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* Generate login for aai users based on received attributes. |
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* |
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* @return string $login |
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*/ |
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private function generateShibbolethLogin(array $serverParams): string |
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{ |
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if (array_key_exists('uid', $serverParams)) { |
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if (array_key_exists('homeOrganization', $serverParams)) { |
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$login = match ($serverParams['homeOrganization']) { |
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'unil.ch' => '-unil-' . $serverParams['uid'], |
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'unine.ch' => '-unine-' . $serverParams['uid'], |
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default => '-aai-' . $serverParams['uid'], |
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}; |
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} else { |
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$login = '-aai-' . $serverParams['uid']; |
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} |
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} else { |
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$login = $serverParams['mail']; |
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} |
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return $login; |
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} |
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} |
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unil-lettres /
dilps-tiresias
