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// 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);
}
}
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