code: /*
   * Computoser is a music-composition algorithm and a website to present the results
   * Copyright (C) 2012-2014  Bozhidar Bozhanov
   *
   * Computoser is free software: you can redistribute it and/or modify
   * it under the terms of the GNU Affero General Public License as
   * published by the Free Software Foundation, either version 3 of the
   * License, or (at your option) any later version.
   *
   * Computoser is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU Affero General Public License for more details.
   *
   * You should have received a copy of the GNU Affero General Public License
   * along with Computoser.  If not, see <http://www.gnu.org/licenses/>.
   */
  
  package com.music.web;
  
  import javax.inject.Inject;
  import javax.servlet.http.Cookie;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  import javax.servlet.http.HttpSession;
  
  import org.joda.time.DateTimeConstants;
  import org.springframework.social.connect.Connection;
  import org.springframework.social.connect.web.SignInAdapter;
  import org.springframework.stereotype.Component;
  import org.springframework.web.context.request.NativeWebRequest;
  
  import com.music.model.persistent.User;
  import com.music.service.UserService;
  
  @Component
  public class SocialSignInAdapter implements SignInAdapter {
  
      private static final int COOKIE_AGE = DateTimeConstants.SECONDS_PER_WEEK;
      public static final String AUTH_TOKEN_COOKIE_NAME = "authToken";
      public static final String AUTH_TOKEN_SERIES_COOKIE_NAME = "authSeries";
  
      @Inject
      private UserContext context;
      @Inject
      private UserService userService;
  
      @Override
      public String signIn(String userId, Connection<?> connection, NativeWebRequest request) {
          User user = userService.getUser(Long.parseLong(userId));
          signIn(user, (HttpServletResponse) request.getNativeResponse(), true);
          HttpSession session = ((HttpServletRequest) request.getNativeRequest()).getSession();
          String redirectUri = (String) session.getAttribute(AuthenticationController.REDIRECT_AFTER_LOGIN);
          if (redirectUri != null) {
              return redirectUri;
          }
          return "/";
      }
  
      public void signIn(User user, HttpServletResponse response, boolean resetTokens) {
          context.setUser(user);
          if (resetTokens) {
              userService.fillUserWithNewTokens(user, null);
          }
          addPermanentCookies(user, response);
      }
  
      public void addPermanentCookies(User user, HttpServletResponse response) {
          Cookie authTokenCookie = new Cookie(AUTH_TOKEN_COOKIE_NAME, user.getLoginToken());
          authTokenCookie.setMaxAge(COOKIE_AGE);
          authTokenCookie.setPath("/");
          authTokenCookie.setDomain(".computoser.com");
          response.addCookie(authTokenCookie);
  
          Cookie seriesCookie = new Cookie(AUTH_TOKEN_SERIES_COOKIE_NAME, user.getLoginSeries());
          seriesCookie.setMaxAge(COOKIE_AGE);
          seriesCookie.setPath("/");
          seriesCookie.setDomain(".computoser.com");
          response.addCookie(seriesCookie);
      }
  }
  