| // Copyright (C) 2013 The Android Open Source Project |
| // |
| // 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 com.gitblit.auth.github; |
| |
| import com.google.inject.Inject; |
| import com.google.inject.servlet.SessionScoped; |
| |
| import org.apache.http.HttpStatus; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.IOException; |
| |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| @SessionScoped |
| class GitHubLogin { |
| private static final Logger log = LoggerFactory.getLogger(GitHubLogin.class); |
| |
| private final OAuthProtocol oauth; |
| private String token; |
| private String user; |
| |
| @Inject |
| GitHubLogin(final OAuthProtocol oauth) { |
| this.oauth = oauth; |
| } |
| |
| boolean isLoggedIn() { |
| return token != null && user != null; |
| } |
| |
| boolean login(HttpServletRequest request, HttpServletResponse response) |
| throws IOException { |
| if (isLoggedIn()) { |
| return true; |
| } |
| |
| log.debug("Login " + this); |
| |
| if (OAuthProtocol.isOAuthFinal(request)) { |
| String redirectUrl = oauth.getTargetUrl(request); |
| if (redirectUrl == null) { |
| response.sendError(HttpServletResponse.SC_NOT_FOUND); |
| return false; |
| } |
| |
| log.debug("Login-Retrieve-User " + this); |
| retrieveUser(oauth.loginPhase2(request, response)); |
| if (isLoggedIn()) { |
| log.debug("Login-SUCCESS " + this); |
| response.sendRedirect(redirectUrl); |
| return true; |
| } else { |
| response.sendError(HttpStatus.SC_UNAUTHORIZED); |
| return false; |
| } |
| } else { |
| log.debug("Login-PHASE1 " + this); |
| oauth.loginPhase1(request, response); |
| return false; |
| } |
| } |
| |
| void logout() { |
| token = null; |
| user = null; |
| } |
| |
| boolean isLoginRequest(HttpServletRequest httpRequest) { |
| return oauth.isOAuthRequest(httpRequest); |
| } |
| |
| String getUsername() { |
| return user; |
| } |
| |
| @Override |
| public String toString() { |
| return "GitHubLogin [token=" + token + ", user=" + user + "]"; |
| } |
| |
| private void retrieveUser(String authToken) throws IOException { |
| this.token = authToken; |
| this.user = oauth.retrieveUser(authToken); |
| } |
| } |