class.ilAuthFrontendHTTP.php

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<?php

declare(strict_types=1);

class ilAuthFrontendHTTP extends ilAuthFrontend implements ilAuthFrontendInterface
{
    private ilLogger $logger;

    public function __construct(
        ilAuthSession $session,
        ilAuthStatus $status,
        ilAuthCredentials $credentials,
        array $providers
    ) {
        parent::__construct($session, $status, $credentials, $providers);

        global $DIC;
        $this->logger = $DIC->logger()->auth();
    }

    public function authenticate(): bool
    {
        foreach ($this->getProviders() as $provider) {
            $this->resetStatus();

            $this->logger->debug('Trying authentication against: ' . get_class($provider));

            $provider->doAuthentication($this->getStatus());

            $this->logger->debug('Authentication user id: ' . $this->getStatus()
                ->getAuthenticatedUserId());

            switch ($this->getStatus()->getStatus()) {
                case ilAuthStatus::STATUS_AUTHENTICATED:
                    return $this->handleAuthenticationSuccess($provider);

                case ilAuthStatus::STATUS_ACCOUNT_MIGRATION_REQUIRED:
                    $this->logger->notice('Account migration required.');
                    break;

                case ilAuthStatus::STATUS_AUTHENTICATION_FAILED:
                default:
                    $this->logger->debug('Authentication failed against: ' . get_class($provider));
                    break;
            }
        }
        return $this->handleAuthenticationFail();
    }

    protected function handleAuthenticationFail(): bool
    {
        parent::handleAuthenticationFail();

        header('WWW-Authenticate: Basic realm="' . CLIENT_ID . '"');
        header('HTTP/1.0 401 Unauthorized');
        return false;
    }
}