import com.google.common.io.BaseEncoding;
import com.google.common.io.BaseEncoding.DecodingException;

import jakarta.annotation.PostConstruct;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpSession;

/**
 * OpenID Connect authenticator for SSO integration.
 */
public class OpenIdConnectAuthenticator implements SsoAuthenticator {

    /**
     * Default constructor.

import org.dbflute.optional.OptionalObject;
import org.dbflute.optional.OptionalThing;
import org.dbflute.util.DfTypeUtil;
import org.lastaflute.web.ruts.process.ActionRuntime;
import org.lastaflute.web.servlet.request.RequestManager;
import org.lastaflute.web.servlet.request.UserTimeZoneProcessProvider;

/**
 * The provider of user time-zone process.
 *
 * @author jflute
 */

import org.lastaflute.web.response.ActionResponse;
import org.lastaflute.web.ruts.process.ActionRuntime;
import org.lastaflute.web.validation.VaMessenger;

import jakarta.annotation.Resource;
import jakarta.servlet.http.HttpServletRequest;

/**
 * Abstract base class for Fess API actions that provides common functionality
 * for API endpoints including authentication, message handling, and access control.
 *

import org.lastaflute.web.response.ActionResponse;
import org.lastaflute.web.servlet.filter.RequestLoggingFilter;
import org.lastaflute.web.util.LaRequestUtil;
import org.lastaflute.web.util.LaResponseUtil;

import jakarta.annotation.PostConstruct;
import jakarta.servlet.FilterConfig;
import jakarta.servlet.ServletContext;
import jakarta.servlet.http.HttpServletResponse;

/**

        return Base64.getUrlEncoder().encodeToString(value.getBytes(Constants.CHARSET_UTF_8));
    }

    /**
     * Checks if a file exists at the specified path within the servlet context.
     *
     * @param path the file path relative to the servlet context
     * @return true if the file exists, false otherwise
     */
    public static boolean fileExists(final String path) {

import org.opensearch.search.sort.SortBuilder;
import org.opensearch.search.sort.SortBuilders;
import org.opensearch.search.sort.SortOrder;

import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpSession;

/**
 * QueryHelper is responsible for building and managing OpenSearch queries for Fess search functionality.

import org.codelibs.fess.Constants;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.dbflute.optional.OptionalEntity;
import org.lastaflute.web.util.LaServletContextUtil;

import jakarta.servlet.ServletContext;

/**
 * Utility class for accessing various resource paths and files in the Fess application.
 * This class provides methods to retrieve paths for configuration files, templates, dictionaries,

 */
package org.codelibs.fess.validation;

import org.lastaflute.core.message.UserMessages;
import org.lastaflute.core.message.supplier.UserMessagesCreator;
import org.lastaflute.web.servlet.request.RequestManager;
import org.lastaflute.web.validation.ActionValidator;

/**
 * Fess-specific action validator that extends the LastaFlute ActionValidator.

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.api;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import jakarta.servlet.http.HttpServletRequest;

/**
 * Factory class for managing and retrieving web API managers.
 * This factory maintains a collection of web API managers and provides

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.exception;

import jakarta.servlet.ServletException;

/**
 * Runtime exception wrapper for ServletException.
 *
 * This exception is used to wrap checked ServletExceptions and convert them