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.restfulobjects.viewer.resources;
  
  import java.net.URI;
  import java.net.URISyntaxException;
  
  import jakarta.ws.rs.Produces;
  import jakarta.ws.rs.core.MediaType;
  import jakarta.ws.rs.core.Response;
  
  import org.springframework.stereotype.Component;
  
  import org.apache.causeway.applib.annotation.Where;
  import org.apache.causeway.viewer.restfulobjects.applib.JsonRepresentation;
  import org.apache.causeway.viewer.restfulobjects.applib.RepresentationType;
  import org.apache.causeway.viewer.restfulobjects.applib.RestfulMediaType;
  import org.apache.causeway.viewer.restfulobjects.applib.RestfulResponse;
  import org.apache.causeway.viewer.restfulobjects.applib.user.UserResource;
  import org.apache.causeway.viewer.restfulobjects.rendering.Caching;
  import org.apache.causeway.viewer.restfulobjects.rendering.Responses;
  import org.apache.causeway.viewer.restfulobjects.rendering.RestfulObjectsApplicationException;
  import org.apache.causeway.viewer.restfulobjects.rendering.service.RepresentationService;
  import org.apache.causeway.viewer.restfulobjects.viewer.context.ResourceContext;
  import org.apache.causeway.viewer.restfulobjects.viewer.webmodule.CausewayRestfulObjectsInteractionFilter;
  
  import lombok.extern.log4j.Log4j2;
  
  @Component
  @Log4j2
  public class UserResourceServerside extends ResourceAbstract implements UserResource {
  
      public UserResourceServerside() {
          super();
          log.debug("<init>");
      }
  
      @Override
      @Produces({ MediaType.APPLICATION_JSON, RestfulMediaType.APPLICATION_JSON_USER })
      public Response user() {
  
          var resourceContext = createResourceContext(
                  RepresentationType.USER, Where.NOWHERE, RepresentationService.Intent.NOT_APPLICABLE);
  
          final UserReprRenderer renderer = new UserReprRenderer(resourceContext, null, JsonRepresentation.newMap());
          renderer.includesSelf().with(resourceContext.getInteractionService().currentInteractionContextElseFail());
  
          return Responses.ofOk(renderer, Caching.ONE_HOUR).build();
      }
  
      @Override
      public Response deleteUserNotAllowed() {
          throw RestfulObjectsApplicationException.createWithMessage(RestfulResponse.HttpStatusCode.METHOD_NOT_ALLOWED, "Deleting the user resource is not allowed.");
  
      }
  
      @Override
      public Response putUserNotAllowed() {
          throw RestfulObjectsApplicationException.createWithMessage(RestfulResponse.HttpStatusCode.METHOD_NOT_ALLOWED, "Putting to the user resource is not allowed.");
  
      }
  
      @Override
      public Response postUserNotAllowed() {
          throw RestfulObjectsApplicationException.createWithMessage(RestfulResponse.HttpStatusCode.METHOD_NOT_ALLOWED, "Posting to the user resource is not allowed.");
      }
  
      /**
       * Not part of the Restful Objects spec.
       */
      @Override
      @Produces({ MediaType.APPLICATION_JSON, RestfulMediaType.APPLICATION_JSON_HOME_PAGE })
      public Response logout() {
  
          var resourceContext = createResourceContext(
                  RepresentationType.HOME_PAGE, Where.NOWHERE, RepresentationService.Intent.NOT_APPLICABLE);
  
          final HomePageReprRenderer renderer = new HomePageReprRenderer(resourceContext, null, JsonRepresentation.newMap());
          renderer.includesSelf();
  
          logout(resourceContext);
  
          // we also redirect to home page with special query string; this allows the session filter
          // to clear out any cookies/headers (eg if BASIC auth in use).
          try {
              final URI location = new URI("?" + CausewayRestfulObjectsInteractionFilter.CAUSEWAY_SESSION_FILTER_QUERY_STRING_FORCE_LOGOUT);
              return Response.temporaryRedirect(location).build();
          } catch (URISyntaxException e) {
              throw new RuntimeException(e);
          }
      }
  
      private void logout(final ResourceContext resourceContext) {
          var interactionService = resourceContext.getInteractionService();
          var authenticationManager = resourceContext.getAuthenticationManager();
  
          interactionService
          .currentInteractionContext()
          .ifPresent(interactionContext->{
              authenticationManager.closeSession(interactionContext.getUser());
              interactionService.closeInteractionLayers();
          });
      }
  
  }
  