content: /*
   *  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.causeway.viewer.wicket.ui.pages.accmngt.password_reset;
  
  import java.util.concurrent.Callable;
  
  import org.apache.wicket.RestartResponseAtInterceptPageException;
  import org.apache.wicket.request.mapper.parameter.PageParameters;
  import org.apache.wicket.util.string.StringValue;
  import org.apache.wicket.util.string.Strings;
  
  import org.apache.causeway.applib.services.userreg.UserRegistrationService;
  import org.apache.causeway.viewer.wicket.ui.errors.ExceptionModel;
  import org.apache.causeway.viewer.wicket.ui.pages.accmngt.AccountConfirmationMap;
  import org.apache.causeway.viewer.wicket.ui.pages.accmngt.AccountManagementPageAbstract;
  import org.apache.causeway.viewer.wicket.ui.pages.login.WicketSignInPage;
  
  import de.agilecoders.wicket.core.markup.html.bootstrap.common.NotificationPanel;
  
  /**
   * A page used for resetting the password of an user.
   */
  public class PasswordResetPage extends AccountManagementPageAbstract {
  
      private static final long serialVersionUID = 1L;
  
      private static final String ID_CONTENT_PANEL = "passwordResetPanel";
  
      public PasswordResetPage(final PageParameters parameters) {
          this(parameters, getAndClearExceptionModelIfAny());
      }
  
      private PasswordResetPage(final PageParameters parameters, ExceptionModel exceptionModel) {
          super(parameters, exceptionModel);
  
          boolean suppressPasswordResetLink = getWicketViewerSettings().isSuppressPasswordReset();
          if(suppressPasswordResetLink) {
              throw new RestartResponseAtInterceptPageException(WicketSignInPage.class);
          }
      }
  
      @Override
      protected void onInitialize() {
          super.onInitialize();
  
          add(new NotificationPanel("feedback"));
  
          StringValue uuidValue = getPageParameters().get(0);
          if (uuidValue.isEmpty()) {
              addPasswordResetEmailPanel(ID_CONTENT_PANEL);
          } else {
              String uuid = uuidValue.toString();
  
              AccountConfirmationMap accountConfirmationMap = getApplication().getMetaData(AccountConfirmationMap.KEY);
              final String email = accountConfirmationMap.get(uuid);
              if (Strings.isEmpty(email)) {
                  error(getString("passwordResetExpiredOrInvalidToken"));
                  addOrReplace(addPasswordResetEmailPanel(ID_CONTENT_PANEL));
              } else {
                  Boolean emailExists = getInteractionService().callAnonymous(new Callable<Boolean>() {
                      @Override
                      public Boolean call() throws Exception {
                          var serviceRegistry = getServiceRegistry();
                          var userRegistrationService = serviceRegistry
                                  .lookupServiceElseFail(UserRegistrationService.class);
                          return userRegistrationService.emailExists(email);
                      }
                  });
                  if (!emailExists) {
                      error(getString("noUserForAnEmailValidToken"));
                      addOrReplace(addPasswordResetEmailPanel(ID_CONTENT_PANEL));
                  } else {
                      addPasswordResetPanel(ID_CONTENT_PANEL, uuid);
                  }
              }
          }
      }
  
      /**
       * Shows a panel with password reset form fields.
       *
       * @param id The component id
       * @param uuid A unique id used to identify the email of the user whose password will be reset
       * @return A panel with "password reset" form fields
       */
      protected PasswordResetPanel addPasswordResetPanel(String id, String uuid) {
          final PasswordResetPanel passwordResetPanel = new PasswordResetPanel(id, uuid);
          addOrReplace(passwordResetPanel);
          return passwordResetPanel;
      }
  
      /**
       * Shows a panel where where the user has to provide her email address.
       * An email with unique url will be sent to this email address. Once clicked
       * {@link #addPasswordResetPanel(String, String)} will be used to actually
       * change the password
       *
       * @param id The component id
       * @return A panel with "send email for password reset" functionality
       */
      protected PasswordResetEmailPanel addPasswordResetEmailPanel(String id) {
          final PasswordResetEmailPanel passwordResetEmailPanel = new PasswordResetEmailPanel(id);
          addOrReplace(passwordResetEmailPanel);
          return passwordResetEmailPanel;
      }
  }
  