content: /*
   * Copyright 2014 Agorava
   *
   * 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.agorava.picketlink;
  
  
  import org.agorava.api.atinject.Current;
  import org.agorava.api.atinject.Generic;
  import org.agorava.api.atinject.InjectWithQualifier;
  import org.agorava.api.exception.AgoravaException;
  import org.agorava.api.oauth.OAuthSession;
  import org.agorava.api.oauth.application.OAuthAppSettings;
  import org.agorava.api.service.OAuthLifeCycleService;
  import org.agorava.spi.UserProfile;
  import org.apache.deltaspike.core.api.common.DeltaSpike;
  import org.picketlink.authentication.BaseAuthenticator;
  import org.picketlink.credential.DefaultLoginCredentials;
  import org.picketlink.idm.credential.Credentials.Status;
  
  import java.io.IOException;
  import java.io.Serializable;
  import javax.enterprise.inject.Instance;
  import javax.inject.Inject;
  import javax.servlet.http.HttpServletResponse;
  
  @Generic
  public class AgoravaAuthenticator extends BaseAuthenticator implements Serializable {
  
      @InjectWithQualifier
      OAuthAppSettings settings;
  
      @Inject
      DefaultLoginCredentials credentials;
  
  
      @Inject
      @DeltaSpike
      Instance<HttpServletResponse> response;
  
  
      @Inject
      OAuthLifeCycleService lifeCycleService;
  
      @Inject
      @Current
      private OAuthSession session;
  
  
      @Override
      public void authenticate() {
  
          if (session.isConnected()) {
              UserProfile userProfile = session.getUserProfile();
              credentials.setCredential(session.getAccessToken());
              setStatus(AuthenticationStatus.SUCCESS);
              setAccount(new AgoravaUser(userProfile));
          } else {
              String authorizationUrl = lifeCycleService.startDanceFor(settings.getQualifier());
              try {
                  response.get().sendRedirect(authorizationUrl);
              } catch (IOException e) {
                  throw new AgoravaException("Unable to redirect user to: " + authorizationUrl);
              }
              credentials.setStatus(Status.IN_PROGRESS);
              setStatus(AuthenticationStatus.DEFERRED);
          }
      }
  }
  