import org.codelibs.fess.opensearch.user.exentity.User;

/**
 * Manages authentication operations across multiple authentication chains.
 * This class coordinates user operations across different authentication providers.
 */
public class AuthenticationManager {
    /** Array of authentication chains to process user operations. */
    protected AuthenticationChain[] chains = {};

    /**

        // Authentication errors
        AUTHENTICATION_FAILED("Authentication failed", ErrorCategory.AUTHENTICATION, false), ACCESS_DENIED("Access denied",
                ErrorCategory.AUTHENTICATION, false), INVALID_CREDENTIALS("Invalid credentials", ErrorCategory.AUTHENTICATION,
                        false), SESSION_EXPIRED("Session expired", ErrorCategory.AUTHENTICATION, true),

        // File system errors

     */
    @Required
    @Size(max = 100)
    public String username;

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

    /**
     * Additional parameters for the authentication.
     */
    @Size(max = 1000)
    public String parameters;

    /**
     * The web configuration ID this authentication is associated with.

import org.dbflute.optional.OptionalEntity;

import jakarta.annotation.Resource;

/**
 * Service class for managing web authentication configurations.
 * Provides CRUD operations for web authentication settings including
 * listing, retrieving, storing, and deleting authentication configurations.
 */
public class WebAuthenticationService {

    /**
     * Default constructor.
     */

                        .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

import jakarta.validation.constraints.Size;

/**
 * Form class for editing web authentication configurations in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing web authentication entries,
 * including tracking information for optimistic locking and audit trails.
 * Web authentication configurations define credentials for accessing protected web resources during crawling.
 */

- [EK](#ek): An external secret key - either the SSE-C client-provided key or a secret key generated by the KMS.

#### Content Encryption

relatively simple way.

You can learn more in the **Advanced User Guide** about how to use OAuth2 "scopes", for a more fine-grained permission system, following these same standards. OAuth2 with scopes is the mechanism used by many big authentication providers, like Facebook, Google, GitHub, Microsoft, X (Twitter), etc. to authorize third party applications to interact with their APIs on behalf of their users....

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.
     */

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 {