| // Copyright (C) 2018 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.readonly; |
| |
| import static javax.servlet.http.HttpServletResponse.SC_SERVICE_UNAVAILABLE; |
| |
| import com.google.gerrit.httpd.AllRequestFilter; |
| import com.google.gerrit.server.events.CommitReceivedEvent; |
| import com.google.gerrit.server.git.validators.CommitValidationException; |
| import com.google.gerrit.server.git.validators.CommitValidationListener; |
| import com.google.gerrit.server.git.validators.CommitValidationMessage; |
| import com.google.inject.Inject; |
| import com.google.inject.Singleton; |
| import java.io.IOException; |
| import java.util.List; |
| import javax.servlet.FilterChain; |
| import javax.servlet.ServletException; |
| import javax.servlet.ServletRequest; |
| import javax.servlet.ServletResponse; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| @Singleton |
| class ReadOnly extends AllRequestFilter implements CommitValidationListener { |
| private static final String GIT_UPLOAD_PACK_PROTOCOL = "/git-upload-pack"; |
| private final ReadOnlyConfig config; |
| |
| @Inject |
| ReadOnly(ReadOnlyConfig config) { |
| this.config = config; |
| } |
| |
| @Override |
| public List<CommitValidationMessage> onCommitReceived(CommitReceivedEvent receiveEvent) |
| throws CommitValidationException { |
| throw new CommitValidationException(config.message()); |
| } |
| |
| @Override |
| public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) |
| throws IOException, ServletException { |
| if ((request instanceof HttpServletRequest) && (response instanceof HttpServletResponse)) { |
| String method = ((HttpServletRequest) request).getMethod(); |
| String uri = ((HttpServletRequest) request).getRequestURI(); |
| if ((method == "POST" && !uri.endsWith(GIT_UPLOAD_PACK_PROTOCOL)) |
| || method == "PUT" |
| || method == "DELETE") { |
| ((HttpServletResponse) response).sendError(SC_SERVICE_UNAVAILABLE, config.message()); |
| return; |
| } |
| } |
| chain.doFilter(request, response); |
| } |
| } |