}

    /**
     * SSO logout endpoint.
     *
     * This method handles SSO logout requests, coordinating with the SSO provider
     * to properly terminate the user's SSO session. It may involve redirecting
     * to the SSO provider's logout endpoint or performing local logout operations.
     *
     * @return ActionResponse directing to the logout page or SSO provider logout endpoint
     */
    @Execute

 */
package org.codelibs.fess.sso;

/**
 * Represents the type of SSO (Single Sign-On) response being requested.
 * This enum is used to differentiate between various SSO operations,
 * such as metadata requests and logout actions.
 */
public enum SsoResponseType {
    /**
     * Indicates a request for SSO metadata, which is typically used for

import org.codelibs.fess.mylasta.action.FessMessages;
import org.lastaflute.web.validation.VaMessenger;

/**
 * Exception thrown during SSO (Single Sign-On) processing with message code support.
 *
 * This exception is used to indicate errors that occur during SSO authentication
 * and authorization processes. It carries both a message code for internationalization

import org.lastaflute.web.response.ActionResponse;

/**
 * Manager class for coordinating SSO (Single Sign-On) authentication operations.
 *
 * This class serves as the central coordinator for SSO authentication in Fess.
 * It manages registered SSO authenticators, determines when SSO is available,
 * and delegates authentication operations to the appropriate SSO provider based
 * on the current configuration.
 */
public class SsoManager {

 */
package org.codelibs.fess.exception;

/**
 * Exception thrown when SSO (Single Sign-On) login operations fail.
 *
 * This exception is used to indicate various SSO authentication failures
 * including configuration errors, authentication token validation failures,
 * communication issues with SSO providers, and other SSO-related problems.
 */
public class SsoLoginException extends FessSystemException {

 */
package org.codelibs.fess.exception;

/**
 * Exception thrown during SSO (Single Sign-On) processing operations.
 *
 * This exception is used to indicate errors that occur during the execution
 * of SSO authentication and authorization processes. It extends FessSystemException
 * to provide consistent error handling within the Fess system for SSO-related
 * processing failures such as token validation errors, communication failures

├── helper/                    # Cross-cutting utilities (~40+ helpers)
├── crawler/                   # Crawling engine (processor, transformer, service)
├── sso/                       # SSO implementations (oic, saml, spnego, entraid)
├── auth/                      # Authentication management
├── ldap/                      # LDAP integration
├── filter/                    # Servlet filters

 * integrated with Fess. Implementations handle specific SSO protocols like SAML,
 * OAuth, SPNEGO, or other authentication mechanisms. Each authenticator is responsible
 * for obtaining login credentials, resolving user information, and managing SSO
 * lifecycle operations like logout and metadata exchange.
 */
public interface SsoAuthenticator {

    /**

        // IPv6 with port and path
        InetAddress ipv6 = InetAddress.getByName("::1");
        assertEquals("http://[::1]:8080/sso/metadata", IpAddressUtil.buildUrl("http", ipv6, 8080, "/sso/metadata"));

        // IPv6 with port, no path
        assertEquals("http://[::1]:9200", IpAddressUtil.buildUrl("http", ipv6, 9200, ""));

        // IPv6 without port

        org.lastaflute.web.response.ActionResponse response = authenticator.getResponse(org.codelibs.fess.sso.SsoResponseType.METADATA);
        assertNull(response);

        response = authenticator.getResponse(org.codelibs.fess.sso.SsoResponseType.LOGOUT);
        assertNull(response);
    }

    @Test
    public void test_innerClassNaming() {