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/*
* Copyright (C) 2015, Google Inc. and others
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0 which is available at
* https://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package org.eclipse.jgit.transport;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.atomic.AtomicInteger;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.api.errors.InvalidRemoteException;
import org.eclipse.jgit.api.errors.TransportException;
import org.eclipse.jgit.internal.JGitText;
import org.eclipse.jgit.internal.storage.dfs.DfsRepositoryDescription;
import org.eclipse.jgit.internal.storage.dfs.InMemoryRepository;
import org.eclipse.jgit.junit.TestRepository;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.storage.pack.PackStatistics;
import org.eclipse.jgit.transport.BasePackFetchConnection.FetchConfig;
import org.eclipse.jgit.transport.resolver.ReceivePackFactory;
import org.eclipse.jgit.transport.resolver.ServiceNotAuthorizedException;
import org.eclipse.jgit.transport.resolver.UploadPackFactory;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class TestProtocolTest {
private static final RefSpec HEADS = new RefSpec("+refs/heads/*:refs/heads/*");
private static final RefSpec MASTER = new RefSpec(
"+refs/heads/master:refs/heads/master");
private static final int HAVES_PER_ROUND = 32;
private static final int MAX_HAVES = 256;
private static class User {
private final String name;
private User(String name) {
this.name = name;
}
}
private static class DefaultUpload implements UploadPackFactory<User> {
@Override
public UploadPack create(User req, Repository db) {
UploadPack up = new UploadPack(db);
up.setPostUploadHook((PackStatistics stats) -> {
havesCount = stats.getHaves();
});
return up;
}
}
private static class DefaultReceive implements ReceivePackFactory<User> {
@Override
public ReceivePack create(User req, Repository db) {
return new ReceivePack(db);
}
}
private static long havesCount;
private List<TransportProtocol> protos;
private TestRepository<InMemoryRepository> local;
private TestRepository<InMemoryRepository> remote;
@Before
public void setUp() throws Exception {
protos = new ArrayList<>();
local = new TestRepository<>(
new InMemoryRepository(new DfsRepositoryDescription("local")));
remote = new TestRepository<>(
new InMemoryRepository(new DfsRepositoryDescription("remote")));
}
@After
public void tearDown() {
for (TransportProtocol proto : protos) {
Transport.unregister(proto);
}
}
@Test
public void testFetch() throws Exception {
ObjectId master = remote.branch("master").commit().create();
TestProtocol<User> proto = registerDefault();
URIish uri = proto.register(new User("user"), remote.getRepository());
try (Git git = new Git(local.getRepository())) {
git.fetch()
.setRemote(uri.toString())
.setRefSpecs(HEADS)
.call();
assertEquals(master,
local.getRepository().exactRef("refs/heads/master").getObjectId());
}
}
@Test
public void testPush() throws Exception {
ObjectId master = local.branch("master").commit().create();
TestProtocol<User> proto = registerDefault();
URIish uri = proto.register(new User("user"), remote.getRepository());
try (Git git = new Git(local.getRepository())) {
git.push()
.setRemote(uri.toString())
.setRefSpecs(HEADS)
.call();
assertEquals(master,
remote.getRepository().exactRef("refs/heads/master").getObjectId());
}
}
@Test
public void testFullNegotiation() throws Exception {
TestProtocol<User> proto = registerDefault();
URIish uri = proto.register(new User("user"), remote.getRepository());
// Enough local branches to cause 10 rounds of negotiation,
// and a unique remote master branch commit with a later timestamp.
for (int i = 0; i < 10 * HAVES_PER_ROUND; i++) {
local.branch("local-branch-" + i).commit().create();
}
remote.tick(11 * HAVES_PER_ROUND);
RevCommit master = remote.branch("master").commit()
.add("readme.txt", "unique commit").create();
try (Git git = new Git(local.getRepository())) {
assertNull(local.getRepository().exactRef("refs/heads/master"));
git.fetch().setRemote(uri.toString()).setRefSpecs(MASTER).call();
assertEquals(master, local.getRepository()
.exactRef("refs/heads/master").getObjectId());
assertEquals(10 * HAVES_PER_ROUND, havesCount);
}
}
@Test
public void testMaxHaves() throws Exception {
TestProtocol<User> proto = registerDefault();
URIish uri = proto.register(new User("user"), remote.getRepository());
// Enough local branches to cause 10 rounds of negotiation,
// and a unique remote master branch commit with a later timestamp.
for (int i = 0; i < 10 * HAVES_PER_ROUND; i++) {
local.branch("local-branch-" + i).commit().create();
}
remote.tick(11 * HAVES_PER_ROUND);
RevCommit master = remote.branch("master").commit()
.add("readme.txt", "unique commit").create();
TestProtocol.setFetchConfig(new FetchConfig(true, MAX_HAVES));
try (Git git = new Git(local.getRepository())) {
assertNull(local.getRepository().exactRef("refs/heads/master"));
git.fetch().setRemote(uri.toString()).setRefSpecs(MASTER).call();
assertEquals(master, local.getRepository()
.exactRef("refs/heads/master").getObjectId());
assertTrue(havesCount <= MAX_HAVES);
}
}
@Test
public void testUploadPackFactory() throws Exception {
ObjectId master = remote.branch("master").commit().create();
final AtomicInteger rejected = new AtomicInteger();
TestProtocol<User> proto = registerProto((User req, Repository db) -> {
if (!"user2".equals(req.name)) {
rejected.incrementAndGet();
throw new ServiceNotAuthorizedException();
}
return new UploadPack(db);
}, new DefaultReceive());
// Same repository, different users.
URIish user1Uri = proto.register(new User("user1"), remote.getRepository());
URIish user2Uri = proto.register(new User("user2"), remote.getRepository());
try (Git git = new Git(local.getRepository())) {
try {
git.fetch()
.setRemote(user1Uri.toString())
.setRefSpecs(MASTER)
.call();
fail("accepted not permitted fetch");
} catch (InvalidRemoteException expected) {
// Expected.
}
assertEquals(1, rejected.get());
assertNull(local.getRepository().exactRef("refs/heads/master"));
git.fetch()
.setRemote(user2Uri.toString())
.setRefSpecs(MASTER)
.call();
assertEquals(1, rejected.get());
assertEquals(master,
local.getRepository().exactRef("refs/heads/master").getObjectId());
}
}
@Test
public void testReceivePackFactory() throws Exception {
ObjectId master = local.branch("master").commit().create();
final AtomicInteger rejected = new AtomicInteger();
TestProtocol<User> proto = registerProto(new DefaultUpload(),
(User req, Repository db) -> {
if (!"user2".equals(req.name)) {
rejected.incrementAndGet();
throw new ServiceNotAuthorizedException();
}
return new ReceivePack(db);
});
// Same repository, different users.
URIish user1Uri = proto.register(new User("user1"), remote.getRepository());
URIish user2Uri = proto.register(new User("user2"), remote.getRepository());
try (Git git = new Git(local.getRepository())) {
try {
git.push()
.setRemote(user1Uri.toString())
.setRefSpecs(HEADS)
.call();
fail("accepted not permitted push");
} catch (TransportException expected) {
assertTrue(expected.getMessage().contains(
JGitText.get().pushNotPermitted));
}
assertEquals(1, rejected.get());
assertNull(remote.getRepository().exactRef("refs/heads/master"));
git.push()
.setRemote(user2Uri.toString())
.setRefSpecs(HEADS)
.call();
assertEquals(1, rejected.get());
assertEquals(master,
remote.getRepository().exactRef("refs/heads/master").getObjectId());
}
}
private TestProtocol<User> registerDefault() {
return registerProto(new DefaultUpload(), new DefaultReceive());
}
private TestProtocol<User> registerProto(UploadPackFactory<User> upf,
ReceivePackFactory<User> rpf) {
TestProtocol<User> proto = new TestProtocol<>(upf, rpf);
protos.add(proto);
Transport.register(proto);
return proto;
}
}
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