public String protocolScheme;

    /** The username for file authentication (required, maximum 100 characters). */
    @Required
    @Size(max = 100)
    public String username;

    /** The password for file authentication (maximum 100 characters). */
    @Size(max = 100)
    public String password;

    /** Additional parameters for file authentication (maximum 1000 characters). */
    @Size(max = 1000)

                This is useful when you want to have optional authentication.

                It is also useful when you want to have authentication that can be
                provided in one of multiple optional ways (for example, in HTTP Basic
                authentication or in an HTTP Bearer token).
                """
            ),
        ] = True,
    ):

    * A cookie.
* `http`: standard HTTP authentication systems, including:
    * `bearer`: a header `Authorization` with a value of `Bearer ` plus a token. This is inherited from OAuth2.
    * HTTP Basic authentication.
    * HTTP Digest, etc.
* `oauth2`: all the OAuth2 ways to handle security (called "flows").
    * Several of these flows are appropriate for building an OAuth 2.0 authentication provider (like Google, Facebook, X (Twitter), GitHub, etc):

import jakarta.annotation.Resource;

/**
 * Service class for managing file authentication configurations.
 * This service provides operations for retrieving, storing, and deleting
 * file authentication settings used by the Fess search engine.
 */
public class FileAuthenticationService {

    /**
     * Default constructor for file authentication service.
     * Creates a new instance with default values.
     */

public class WebAuthenticationConfig {

    /**
     * Type of authentication scheme.
     */
    public enum AuthSchemeType {
        /**
         * Let the HTTP client auto-detect the authentication scheme.
         */
        AUTO,
        /**
         * HTTP Basic authentication.
         */
        BASIC,
        /**
         * HTTP Digest authentication.
         */
        DIGEST,
        /**

 * <p>
 * How NTLMSSP is used in conjunction with HTTP and MSIE clients is
 * described in an <A HREF="http://www.innovation.ch/java/ntlm.html">NTLM
 * Authentication Scheme for HTTP</A>.
 * <p>
 * Also, read <a
 * href="../../../ntlmhttpauth.html">jCIFS NTLM HTTP Authentication and
 * the Network Explorer Servlet</a> related information.
 */
@Deprecated
public class NtlmSsp implements NtlmFlags {

    /**

     * @param host the target host
     * @param initialToken initial authentication token, if any
     * @param doSigning whether message signing should be enabled
     * @return a new SSP authentication context
     * @throws SmbException if context creation fails
     */
    SSPContext createContext(CIFSContext tc, String targetDomain, String host, byte[] initialToken, boolean doSigning) throws SmbException;

    /**

                TimeUnit.MILLISECONDS);

        log.info("Authentication rate limiter initialized: maxAccount={}, maxIp={}, maxGlobal={}/min", maxAttemptsPerAccount,
                maxAttemptsPerIp, maxGlobalAttemptsPerMinute);
    }

    /**
     * Check if authentication attempt is allowed
     *
     * @param username the username attempting authentication
     * @param sourceIp the source IP address

    }

    @Test
    @DisplayName("Test log authentication success")
    void testLogAuthentication() {
        logger.logAuthentication(true, "testuser", "DOMAIN", "192.168.1.1");

        Map<EventType, Long> stats = logger.getStatistics();
        assertEquals(Long.valueOf(1), stats.get(EventType.AUTHENTICATION_SUCCESS), "Should have 1 authentication event");
    }

    @Test

/**
 * Interface for authentication chain operations.
 * Provides methods for user management and authentication operations.
 */
public interface AuthenticationChain {

    /**
     * Updates an existing user in the authentication chain.
     * @param user The user to update.
     */
    void update(User user);

    /**
     * Deletes a user from the authentication chain.
     * @param user The user to delete.