| // 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.motd; |
| |
| import com.google.gerrit.reviewdb.client.Project; |
| import com.google.gerrit.server.CurrentUser; |
| import com.google.gerrit.server.git.validators.UploadValidationListener; |
| import com.google.gerrit.server.validators.ValidationException; |
| import com.google.inject.Inject; |
| |
| import org.eclipse.jgit.lib.ObjectId; |
| import org.eclipse.jgit.lib.Repository; |
| import org.eclipse.jgit.transport.UploadPack; |
| |
| import java.io.PrintWriter; |
| import java.net.InetAddress; |
| import java.net.UnknownHostException; |
| import java.util.Collection; |
| |
| class DisplayMotd implements UploadValidationListener { |
| private final CurrentUser user; |
| private final MotdConfig config; |
| |
| @Inject |
| public DisplayMotd(CurrentUser user, MotdConfig config) { |
| this.user = user; |
| this.config = config; |
| } |
| |
| @Override |
| public void onPreUpload(Repository repository, Project project, |
| String remote, UploadPack up, Collection<? extends ObjectId> wants, |
| Collection<? extends ObjectId> haves) throws ValidationException { |
| PrintWriter pw = new PrintWriter(up.getMessageOutputStream()); |
| |
| if (config.getMotd() != null) { |
| pw.print(format(config.getMotd())); |
| pw.print("\n"); |
| } |
| |
| try { |
| String inet = InetAddress.getByName(remote).getHostAddress(); |
| for (Subnet m : config.getSubnets()) { |
| if (m.isInRange(inet) && m.getMotd() != null) { |
| pw.print(format(m.getMotd())); |
| pw.print("\n"); |
| break; |
| } |
| } |
| } catch (UnknownHostException e) { |
| // Couldn't look up the hostname; this is non-fatal |
| } |
| pw.flush(); |
| } |
| |
| private String format(String message) { |
| if (user.getUserName() != null) { |
| message = message.replace("${user}", user.getUserName()); |
| } |
| return message; |
| } |
| } |