try {
                final AzureAdAuthenticator authenticator = ComponentUtil.getComponent(AzureAdAuthenticator.class);
                final IAuthenticationResult newResult = authenticator.refreshTokenSilently(this);
                if (newResult != null) {
                    authResult = newResult;
                    authenticator.updateMemberOf(this);

import org.lastaflute.web.response.JsonResponse;

import jakarta.annotation.Resource;

/**
 * API action for admin file authentication management.
 * Provides RESTful API endpoints for managing file authentication settings in the Fess search engine.
 * File authentication settings define access credentials and permissions for file-based crawling.
 *
 */
public class ApiAdminFileauthAction extends FessApiAdminAction {

        } catch (final Exception e) {
            throw new SsoLoginException("Failed to parse an authentication response.", e);
        }
    }

    /**
     * Validates the nonce in the authentication result.
     * @param stateData The stored state data containing the expected nonce.
     * @param authData The authentication result containing the actual nonce.
     */

                        .status(ApiResult.Status.OK)
                        .result());
    }

    /**
     * Retrieves a specific web authentication setting by ID.
     *
     * @param id the ID of the web authentication setting to retrieve
     * @return JSON response containing the web authentication setting
     */
    // GET /api/admin/webauth/setting/{id}
    @Execute

/**
 * Abstract base class for Fess API actions that provides common functionality
 * for API endpoints including authentication, message handling, and access control.
 *
 * This class extends FessBaseAction and provides specialized behavior for API requests,
 * including token-based authentication and JSON response handling.
 */
public abstract class FessApiAction extends FessBaseAction {

    /**
     * Default constructor.

                                logger.warn("Authentication Failure: {} - Reason: {}", errors.stream().collect(Collectors.joining(", ")),
                                        auth.getLastErrorReason());
                            } else {
                                logger.warn("Authentication Failure: {}", errors.stream().collect(Collectors.joining(", ")));
                            }

        Exception middleCause = new Exception("SSO provider unreachable", rootCause);
        SsoProcessException topException = new SsoProcessException("SSO authentication failed", middleCause);

        assertEquals("SSO authentication failed", topException.getMessage());
        assertEquals(middleCause, topException.getCause());
        assertEquals(rootCause, topException.getCause().getCause());
    }

/**
 * Abstract base class for search-related actions in the Fess search application.
 * Provides common functionality for search operations, including search form handling,
 * label management, user authentication, and search result processing.
 *
 * This class extends FessBaseAction and serves as the foundation for all search-related
 * web actions in the application.
 */

    static final HashFunction SHA_512 =
        new MessageDigestHashFunction("SHA-512", "Hashing.sha512()");
  }

  /**
   * Returns a hash function implementing the Message Authentication Code (MAC) algorithm, using the
   * MD5 (128 hash bits) hash function and the given secret key.
   *
   * <p>If you are designing a new system that needs HMAC, prefer {@link #hmacSha256} or other

import org.apache.logging.log4j.Logger;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.app.service.WebConfigService;
import org.codelibs.fess.crawler.client.http.Authentication;
import org.codelibs.fess.crawler.client.http.form.FormScheme;
import org.codelibs.fess.crawler.client.http.impl.AuthenticationImpl;
import org.codelibs.fess.crawler.client.http.ntlm.JcifsEngine;