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/*
 * Copyright 2016 Red Hat, Inc. and/or its affiliates
 * and other contributors as indicated by the @author tags.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.keycloak.adapters.jbossweb;

import org.apache.catalina.LifecycleException;
import org.apache.catalina.connector.Request;
import org.apache.catalina.connector.Response;
import org.apache.catalina.core.StandardContext;
import org.apache.catalina.deploy.LoginConfig;
import org.apache.catalina.realm.GenericPrincipal;
import org.keycloak.adapters.tomcat.AbstractKeycloakAuthenticatorValve;
import org.keycloak.adapters.tomcat.GenericPrincipalFactory;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.security.Principal;
import java.util.List;

/**
 * Keycloak authentication valve
 *
 * @author Bill Burke
 * @version $Revision: 1 $
 */
public class KeycloakAuthenticatorValve extends AbstractKeycloakAuthenticatorValve {
    public boolean authenticate(Request request, HttpServletResponse response, LoginConfig config) throws java.io.IOException {
        return authenticateInternal(request, response, config);
    }

    @Override
    protected boolean forwardToErrorPageInternal(Request request, HttpServletResponse response, Object loginConfig) throws IOException {
        if (loginConfig == null) return false;
        LoginConfig config = (LoginConfig)loginConfig;
        if (config.getErrorPage() == null) return false;
        forwardToErrorPage(request, (Response)response, config);
        return true;
    }


    @Override
    public void start() throws LifecycleException {
        StandardContext standardContext = (StandardContext) context;
        standardContext.addLifecycleListener(this);
        super.start();
    }


    public void logout(Request request) {
        logoutInternal(request);
    }

    @Override
    protected GenericPrincipalFactory createPrincipalFactory() {
        return new JBossWebPrincipalFactory();
    }
}