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;
  
  import java.util.UUID;
  
  import jakarta.inject.Inject;
  
  import org.apache.wicket.Application;
  import org.apache.wicket.Page;
  import org.apache.wicket.request.Url;
  import org.apache.wicket.request.UrlRenderer;
  import org.apache.wicket.request.cycle.RequestCycle;
  import org.apache.wicket.request.mapper.parameter.PageParameters;
  
  import org.apache.causeway.viewer.wicket.model.models.PageType;
  import org.apache.causeway.viewer.wicket.ui.pages.EmailVerificationUrlService;
  import org.apache.causeway.viewer.wicket.ui.pages.PageClassRegistry;
  
  /**
   * An implementation of {@link org.apache.causeway.viewer.wicket.ui.pages.EmailVerificationUrlService}
   * that uses Wicket's the current {@link org.apache.wicket.request.cycle.RequestCycle} to create the link and
   * the special {@link org.apache.causeway.viewer.wicket.ui.pages.accmngt.AccountConfirmationMap}
   * stored in the {@link org.apache.wicket.Application application} as a temporary storage of
   * the non-encrypted data.
   */
  public class EmailVerificationUrlServiceDefault implements EmailVerificationUrlService {
  
      private static final long serialVersionUID = 1L;
      private final PageClassRegistry pageClassRegistry;
  
      @Inject // strangely, this isn't a @com.google.inject.Inject
      public EmailVerificationUrlServiceDefault(PageClassRegistry pageClassRegistry) {
          this.pageClassRegistry = pageClassRegistry;
      }
  
      /**
       * Creates a url to the configured page for the given <em>pageType</em> by encrypting the given
       * <em>datum</em> as a first indexed parameter
       *
       * @param pageType The type of the page to link to
       * @param datum The data to encrypt in the url
       * @return The full url to the page with the encrypted data
       */
      @Override
      public String createVerificationUrl(final PageType pageType, final String datum) {
          final Class<? extends Page> pageClass = pageClassRegistry.getPageClass(pageType);
          return createVerificationUrl(pageClass, datum);
      }
  
      /**
       * Creates a url to the passed <em>pageClass</em> by encrypting the given
       * <em>datum</em> as a first indexed parameter
       *
       * @param pageClass The class of the page to link to
       * @param datum The data to encrypt in the url
       * @return The full url to the page with the encrypted data
       */
      @Override
      public String createVerificationUrl(final Class<? extends Page> pageClass, final String datum) {
          String uuid = UUID.randomUUID().toString();
          uuid = uuid.replace("-", "");
  
          final AccountConfirmationMap accountConfirmationMap = getAccountConfirmationMap();
          accountConfirmationMap.put(uuid, datum);
  
          final PageParameters parameters = new PageParameters();
          parameters.set(0, uuid);
  
          final String fullUrl = fullUrlFor(pageClass, parameters);
          return fullUrl;
      }
  
      protected String fullUrlFor(final Class<? extends Page> pageClass, final PageParameters parameters) {
          final RequestCycle requestCycle = RequestCycle.get();
          final CharSequence relativeUrl = requestCycle.urlFor(pageClass, parameters);
          final UrlRenderer urlRenderer = requestCycle.getUrlRenderer();
          final String fullUrl = urlRenderer.renderFullUrl(Url.parse(relativeUrl));
          return fullUrl;
      }
  
      protected AccountConfirmationMap getAccountConfirmationMap() {
          return Application.get().getMetaData(AccountConfirmationMap.KEY);
      }
  
  }
  