| // Copyright (C) 2008 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.google.gerrit.sshd.commands; |
| |
| import com.google.gerrit.common.data.Capable; |
| import com.google.gerrit.reviewdb.client.Account; |
| import com.google.gerrit.server.IdentifiedUser; |
| import com.google.gerrit.server.git.AsyncReceiveCommits; |
| import com.google.gerrit.server.git.ReceiveCommits; |
| import com.google.gerrit.server.git.TransferConfig; |
| import com.google.gerrit.server.git.VisibleRefFilter; |
| import com.google.gerrit.sshd.AbstractGitCommand; |
| import com.google.inject.Inject; |
| |
| import org.eclipse.jgit.errors.TooLargeObjectInPackException; |
| import org.eclipse.jgit.errors.UnpackException; |
| import org.eclipse.jgit.lib.Ref; |
| import org.eclipse.jgit.transport.AdvertiseRefsHook; |
| import org.eclipse.jgit.transport.ReceivePack; |
| import org.kohsuke.args4j.Option; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| /** Receives change upload over SSH using the Git receive-pack protocol. */ |
| final class Receive extends AbstractGitCommand { |
| private static final Logger log = LoggerFactory.getLogger(Receive.class); |
| |
| @Inject |
| private AsyncReceiveCommits.Factory factory; |
| |
| @Inject |
| private IdentifiedUser currentUser; |
| |
| @Inject |
| private IdentifiedUser.GenericFactory identifiedUserFactory; |
| |
| @Inject |
| private TransferConfig config; |
| |
| private final Set<Account.Id> reviewerId = new HashSet<Account.Id>(); |
| private final Set<Account.Id> ccId = new HashSet<Account.Id>(); |
| |
| @Option(name = "--reviewer", aliases = {"--re"}, multiValued = true, metaVar = "EMAIL", usage = "request reviewer for change(s)") |
| void addReviewer(final Account.Id id) { |
| reviewerId.add(id); |
| } |
| |
| @Option(name = "--cc", aliases = {}, multiValued = true, metaVar = "EMAIL", usage = "CC user on change(s)") |
| void addCC(final Account.Id id) { |
| ccId.add(id); |
| } |
| |
| @Override |
| protected void runImpl() throws IOException, Failure { |
| if (!projectControl.canRunReceivePack()) { |
| throw new Failure(1, "fatal: receive-pack not permitted on this server"); |
| } |
| |
| final ReceiveCommits receive = factory.create(projectControl, repo) |
| .getReceiveCommits(); |
| |
| Capable r = receive.canUpload(); |
| if (r != Capable.OK) { |
| throw new UnloggedFailure(1, "\nfatal: " + r.getMessage()); |
| } |
| |
| verifyProjectVisible("reviewer", reviewerId); |
| verifyProjectVisible("CC", ccId); |
| |
| receive.addReviewers(reviewerId); |
| receive.addExtraCC(ccId); |
| |
| final ReceivePack rp = receive.getReceivePack(); |
| rp.setRefLogIdent(currentUser.newRefLogIdent()); |
| rp.setTimeout(config.getTimeout()); |
| rp.setMaxObjectSizeLimit(config.getMaxObjectSizeLimit()); |
| try { |
| receive.advertiseHistory(); |
| rp.receive(in, out, err); |
| } catch (UnpackException badStream) { |
| // In case this was caused by the user pushing an object whose size |
| // is larger than the receive.maxObjectSizeLimit gerrit.config parameter |
| // we want to present this error to the user |
| if (badStream.getCause() instanceof TooLargeObjectInPackException) { |
| StringBuilder msg = new StringBuilder(); |
| msg.append("Receive error on project \"" |
| + projectControl.getProject().getName() + "\""); |
| msg.append(" (user "); |
| msg.append(currentUser.getAccount().getUserName()); |
| msg.append(" account "); |
| msg.append(currentUser.getAccountId()); |
| msg.append("): "); |
| msg.append(badStream.getCause().getMessage()); |
| log.info(msg.toString()); |
| throw new UnloggedFailure(128, "error: " + badStream.getCause().getMessage()); |
| } |
| |
| // This may have been triggered by branch level access controls. |
| // Log what the heck is going on, as detailed as we can. |
| // |
| StringBuilder msg = new StringBuilder(); |
| msg.append("Unpack error on project \"" |
| + projectControl.getProject().getName() + "\":\n"); |
| |
| msg.append(" AdvertiseRefsHook: " + rp.getAdvertiseRefsHook()); |
| if (rp.getAdvertiseRefsHook() == AdvertiseRefsHook.DEFAULT) { |
| msg.append("DEFAULT"); |
| } else if (rp.getAdvertiseRefsHook() instanceof VisibleRefFilter) { |
| msg.append("VisibleRefFilter"); |
| } else { |
| msg.append(rp.getAdvertiseRefsHook().getClass()); |
| } |
| msg.append("\n"); |
| |
| if (rp.getAdvertiseRefsHook() instanceof VisibleRefFilter) { |
| Map<String, Ref> adv = rp.getAdvertisedRefs(); |
| msg.append(" Visible references (" + adv.size() + "):\n"); |
| for (Ref ref : adv.values()) { |
| msg.append(" - " + ref.getObjectId().abbreviate(8).name() + " " |
| + ref.getName() + "\n"); |
| } |
| |
| List<Ref> hidden = new ArrayList<Ref>(); |
| for (Ref ref : rp.getRepository().getAllRefs().values()) { |
| if (!adv.containsKey(ref.getName())) { |
| hidden.add(ref); |
| } |
| } |
| |
| msg.append(" Hidden references (" + hidden.size() + "):\n"); |
| for (Ref ref : hidden) { |
| msg.append(" - " + ref.getObjectId().abbreviate(8).name() + " " |
| + ref.getName() + "\n"); |
| } |
| } |
| |
| IOException detail = new IOException(msg.toString(), badStream); |
| throw new Failure(128, "fatal: Unpack error, check server log", detail); |
| } |
| } |
| |
| private void verifyProjectVisible(final String type, final Set<Account.Id> who) |
| throws UnloggedFailure { |
| for (final Account.Id id : who) { |
| final IdentifiedUser user = identifiedUserFactory.create(id); |
| if (!projectControl.forUser(user).isVisible()) { |
| throw new UnloggedFailure(1, type + " " |
| + user.getAccount().getFullName() + " cannot access the project"); |
| } |
| } |
| } |
| } |