| // Copyright (C) 2014 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.googlesource.gerrit.plugins.github.oauth; |
| |
| import java.io.IOException; |
| |
| import javax.servlet.http.HttpServletResponse; |
| import javax.servlet.http.HttpServletResponseWrapper; |
| |
| public class OAuthGitWrappedResponse extends HttpServletResponseWrapper { |
| public static final String GIT_REALM_NAME = |
| "GitHub authentication for Gerrit Code Review"; |
| private static final String GIT_AUTHENTICATION_BASIC = "Basic "; |
| private static final String WWW_AUTHENTICATE = "WWW-Authenticate"; |
| |
| public OAuthGitWrappedResponse(HttpServletResponse response) { |
| super(response); |
| } |
| |
| @Override |
| public void sendError(int sc) throws IOException { |
| if (sc == SC_UNAUTHORIZED) { |
| requestBasicAuthenticationHandshake(); |
| } |
| super.sendError(sc); |
| } |
| |
| @Override |
| public void sendError(int sc, String msg) throws IOException { |
| if (sc == SC_UNAUTHORIZED) { |
| requestBasicAuthenticationHandshake(); |
| } |
| super.sendError(sc, msg); |
| } |
| |
| private void requestBasicAuthenticationHandshake() throws IOException { |
| setStatus(SC_UNAUTHORIZED); |
| StringBuilder v = new StringBuilder(); |
| v.append(GIT_AUTHENTICATION_BASIC); |
| v.append("realm=\"").append(GIT_REALM_NAME).append("\""); |
| setHeader(WWW_AUTHENTICATE, v.toString()); |
| } |
| } |