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<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Ldap\Security;

use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
use Symfony\Component\Security\Core\Exception\AuthenticationException;
use Symfony\Component\Security\Http\Authenticator\AuthenticatorInterface;
use
Symfony\Component\Security\Http\Authenticator\InteractiveAuthenticatorInterface;
use Symfony\Component\Security\Http\Authenticator\Passport\Passport;
use
Symfony\Component\Security\Http\Authenticator\Passport\PassportInterface;
use
Symfony\Component\Security\Http\EntryPoint\AuthenticationEntryPointInterface;
use
Symfony\Component\Security\Http\EntryPoint\Exception\NotAnEntryPointException;

/**
 * This class decorates internal authenticators to add the LDAP
integration.
 *
 * In your own authenticators, it is recommended to directly use the
 * LdapBadge in the authenticate() method. This class should only be
 * used for Symfony or third party authenticators.
 *
 * @author Wouter de Jong <wouter@wouterj.nl>
 *
 * @final
 */
class LdapAuthenticator implements AuthenticationEntryPointInterface,
InteractiveAuthenticatorInterface
{
    private AuthenticatorInterface $authenticator;
    private string $ldapServiceId;
    private string $dnString;
    private string $searchDn;
    private string $searchPassword;
    private string $queryString;

    public function __construct(AuthenticatorInterface $authenticator,
string $ldapServiceId, string $dnString = '{user_identifier}',
string $searchDn = '', string $searchPassword = '',
string $queryString = '')
    {
        $this->authenticator = $authenticator;
        $this->ldapServiceId = $ldapServiceId;
        $this->dnString = $dnString;
        $this->searchDn = $searchDn;
        $this->searchPassword = $searchPassword;
        $this->queryString = $queryString;
    }

    public function supports(Request $request): ?bool
    {
        return $this->authenticator->supports($request);
    }

    public function authenticate(Request $request): Passport
    {
        $passport = $this->authenticator->authenticate($request);
        $passport->addBadge(new LdapBadge($this->ldapServiceId,
$this->dnString, $this->searchDn, $this->searchPassword,
$this->queryString));

        return $passport;
    }

    /**
     * @internal
     */
    public function createAuthenticatedToken(PassportInterface $passport,
string $firewallName): TokenInterface
    {
        throw new \BadMethodCallException(sprintf('The
"%s()" method cannot be called.', __METHOD__));
    }

    public function createToken(Passport $passport, string $firewallName):
TokenInterface
    {
        return $this->authenticator->createToken($passport,
$firewallName);
    }

    public function onAuthenticationSuccess(Request $request,
TokenInterface $token, string $firewallName): ?Response
    {
        return
$this->authenticator->onAuthenticationSuccess($request, $token,
$firewallName);
    }

    public function onAuthenticationFailure(Request $request,
AuthenticationException $exception): ?Response
    {
        return
$this->authenticator->onAuthenticationFailure($request, $exception);
    }

    public function start(Request $request, ?AuthenticationException
$authException = null): Response
    {
        if (!$this->authenticator instanceof
AuthenticationEntryPointInterface) {
            throw new NotAnEntryPointException(sprintf('Decorated
authenticator "%s" does not implement interface
"%s".', get_debug_type($this->authenticator),
AuthenticationEntryPointInterface::class));
        }

        return $this->authenticator->start($request, $authException);
    }

    public function isInteractive(): bool
    {
        if ($this->authenticator instanceof
InteractiveAuthenticatorInterface) {
            return $this->authenticator->isInteractive();
        }

        return false;
    }
}