/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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.apache.syncope.client.console.pages;
  
  import java.net.URLEncoder;
  import java.nio.charset.StandardCharsets;
  import java.util.Optional;
  import org.apache.syncope.client.ui.commons.SAML2SP4UIConstants;
  import org.apache.wicket.Session;
  import org.apache.wicket.markup.html.WebPage;
  import org.apache.wicket.request.UrlUtils;
  import org.apache.wicket.request.cycle.RequestCycle;
  import org.apache.wicket.request.http.handler.RedirectRequestHandler;
  import org.apache.wicket.request.mapper.parameter.PageParameters;
  
  public class SAML2SPBeforeLogout extends WebPage {
  
      private static final long serialVersionUID = 4666948447239743855L;
  
      public SAML2SPBeforeLogout(final PageParameters parameters) {
          super(parameters);
  
          String queryString = Optional.ofNullable(
                  Session.get().getAttribute(SAML2SP4UIConstants.SAML2SP4UI_IDP_ENTITY_ID)).
                  map(idp -> "?" + SAML2SP4UIConstants.SAML2SP4UI_IDP_ENTITY_ID
                  + "=" + URLEncoder.encode(idp.toString(), StandardCharsets.UTF_8)).
                  orElse("");
  
          RequestCycle.get().scheduleRequestHandlerAfterCurrent(new RedirectRequestHandler(
                  UrlUtils.rewriteToContextRelative(
                          SAML2SP4UIConstants.URL_CONTEXT + "/logout" + queryString,
                          RequestCycle.get())));
      }
  }