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// Copyright (C) 2015 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.acceptance;
import static com.google.gerrit.server.git.receive.LazyPostReceiveHookChain.affectsSize;
import static com.google.gerrit.server.project.ProjectCache.illegalState;
import static com.google.gerrit.server.quota.QuotaGroupDefinitions.REPOSITORY_SIZE_GROUP;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
import com.google.gerrit.acceptance.InProcessProtocol.Context;
import com.google.gerrit.common.data.Capable;
import com.google.gerrit.entities.Account;
import com.google.gerrit.entities.Project;
import com.google.gerrit.extensions.registration.DynamicSet;
import com.google.gerrit.extensions.restapi.AuthException;
import com.google.gerrit.server.AccessPath;
import com.google.gerrit.server.CurrentUser;
import com.google.gerrit.server.IdentifiedUser;
import com.google.gerrit.server.RemotePeer;
import com.google.gerrit.server.RequestCleanup;
import com.google.gerrit.server.config.GerritRequestModule;
import com.google.gerrit.server.git.PermissionAwareRepositoryManager;
import com.google.gerrit.server.git.ReceivePackInitializer;
import com.google.gerrit.server.git.TransferConfig;
import com.google.gerrit.server.git.UploadPackInitializer;
import com.google.gerrit.server.git.UsersSelfAdvertiseRefsHook;
import com.google.gerrit.server.git.receive.AsyncReceiveCommits;
import com.google.gerrit.server.git.validators.UploadValidators;
import com.google.gerrit.server.permissions.PermissionBackend;
import com.google.gerrit.server.permissions.PermissionBackendException;
import com.google.gerrit.server.permissions.ProjectPermission;
import com.google.gerrit.server.plugincontext.PluginSetContext;
import com.google.gerrit.server.project.ProjectCache;
import com.google.gerrit.server.project.ProjectState;
import com.google.gerrit.server.quota.QuotaBackend;
import com.google.gerrit.server.quota.QuotaException;
import com.google.gerrit.server.quota.QuotaResponse;
import com.google.gerrit.server.util.RequestContext;
import com.google.gerrit.server.util.RequestScopePropagator;
import com.google.gerrit.server.util.ThreadLocalRequestContext;
import com.google.gerrit.server.util.ThreadLocalRequestScopePropagator;
import com.google.inject.AbstractModule;
import com.google.inject.Inject;
import com.google.inject.Key;
import com.google.inject.Module;
import com.google.inject.OutOfScopeException;
import com.google.inject.Provider;
import com.google.inject.Provides;
import com.google.inject.Scope;
import com.google.inject.servlet.RequestScoped;
import java.io.IOException;
import java.net.SocketAddress;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.transport.PostReceiveHook;
import org.eclipse.jgit.transport.PostReceiveHookChain;
import org.eclipse.jgit.transport.PreUploadHook;
import org.eclipse.jgit.transport.PreUploadHookChain;
import org.eclipse.jgit.transport.ReceivePack;
import org.eclipse.jgit.transport.TestProtocol;
import org.eclipse.jgit.transport.UploadPack;
import org.eclipse.jgit.transport.resolver.ReceivePackFactory;
import org.eclipse.jgit.transport.resolver.ServiceNotAuthorizedException;
import org.eclipse.jgit.transport.resolver.UploadPackFactory;
class InProcessProtocol extends TestProtocol<Context> {
static Module module() {
return new AbstractModule() {
@Override
public void configure() {
install(new GerritRequestModule());
bind(RequestScopePropagator.class).to(Propagator.class);
bindScope(RequestScoped.class, InProcessProtocol.REQUEST);
}
@Provides
@RemotePeer
SocketAddress getSocketAddress() {
throw new OutOfScopeException("No remote peer in acceptance tests");
}
};
}
private static final Scope REQUEST =
new Scope() {
@Override
public <T> Provider<T> scope(Key<T> key, Provider<T> creator) {
return new Provider<>() {
@Override
public T get() {
Context ctx = current.get();
if (ctx == null) {
throw new OutOfScopeException("Not in TestProtocol scope");
}
return ctx.get(key, creator);
}
@Override
public String toString() {
return String.format("%s[%s]", creator, REQUEST);
}
};
}
@Override
public String toString() {
return "InProcessProtocol.REQUEST";
}
};
private static class Propagator extends ThreadLocalRequestScopePropagator<Context> {
@Inject
Propagator(ThreadLocalRequestContext local) {
super(REQUEST, current, local);
}
@Override
protected Context continuingContext(Context ctx) {
return ctx.newContinuingContext();
}
}
private static final ThreadLocal<Context> current = new ThreadLocal<>();
// TODO(dborowitz): Merge this with AcceptanceTestRequestScope.
/**
* Multi-purpose session/context object.
*
* <p>Confusingly, Gerrit has two ideas of what a "context" object is: one for Guice {@link
* RequestScoped}, and one for its own simplified version of request scoping using {@link
* ThreadLocalRequestContext}. This class provides both, in essence just delegating the {@code
* ThreadLocalRequestContext} scoping to the Guice scoping mechanism.
*
* <p>It is also used as the session type for {@code UploadPackFactory} and {@code
* ReceivePackFactory}, since, after all, it encapsulates all the information about a single
* request.
*/
static class Context implements RequestContext {
private static final Key<RequestCleanup> RC_KEY = Key.get(RequestCleanup.class);
private static final Key<CurrentUser> USER_KEY = Key.get(CurrentUser.class);
private final IdentifiedUser.GenericFactory userFactory;
private final Account.Id accountId;
private final Project.NameKey project;
private final RequestCleanup cleanup;
private final Map<Key<?>, Object> map;
Context(
IdentifiedUser.GenericFactory userFactory, Account.Id accountId, Project.NameKey project) {
this.userFactory = userFactory;
this.accountId = accountId;
this.project = project;
map = new HashMap<>();
cleanup = new RequestCleanup();
map.put(RC_KEY, cleanup);
IdentifiedUser user = userFactory.create(accountId);
user.setAccessPath(AccessPath.GIT);
map.put(USER_KEY, user);
}
private Context newContinuingContext() {
return new Context(userFactory, accountId, project);
}
@Override
public CurrentUser getUser() {
return get(USER_KEY, null);
}
private synchronized <T> T get(Key<T> key, Provider<T> creator) {
@SuppressWarnings("unchecked")
T t = (T) map.get(key);
if (t == null) {
t = creator.get();
map.put(key, t);
}
return t;
}
}
private static class Upload implements UploadPackFactory<Context> {
private final TransferConfig transferConfig;
private final PluginSetContext<UploadPackInitializer> uploadPackInitializers;
private final DynamicSet<PreUploadHook> preUploadHooks;
private final UploadValidators.Factory uploadValidatorsFactory;
private final ThreadLocalRequestContext threadContext;
private final ProjectCache projectCache;
private final PermissionBackend permissionBackend;
private final UsersSelfAdvertiseRefsHook usersSelfAdvertiseRefsHook;
@Inject
Upload(
TransferConfig transferConfig,
PluginSetContext<UploadPackInitializer> uploadPackInitializers,
DynamicSet<PreUploadHook> preUploadHooks,
UploadValidators.Factory uploadValidatorsFactory,
ThreadLocalRequestContext threadContext,
ProjectCache projectCache,
PermissionBackend permissionBackend,
UsersSelfAdvertiseRefsHook usersSelfAdvertiseRefsHook) {
this.transferConfig = transferConfig;
this.uploadPackInitializers = uploadPackInitializers;
this.preUploadHooks = preUploadHooks;
this.uploadValidatorsFactory = uploadValidatorsFactory;
this.threadContext = threadContext;
this.projectCache = projectCache;
this.permissionBackend = permissionBackend;
this.usersSelfAdvertiseRefsHook = usersSelfAdvertiseRefsHook;
}
@Override
public UploadPack create(Context req, Repository repo) throws ServiceNotAuthorizedException {
// Set the request context, but don't bother unsetting, since we don't
// have an easy way to run code when this instance is done being used.
// Each operation is run in its own thread, so we don't need to recover
// its original context anyway.
threadContext.setContext(req);
current.set(req);
PermissionBackend.ForProject perm = permissionBackend.currentUser().project(req.project);
try {
if (!perm.test(ProjectPermission.RUN_UPLOAD_PACK)) {
throw new ServiceNotAuthorizedException("upload pack not permitted");
}
} catch (PermissionBackendException e) {
throw new RuntimeException(e);
}
ProjectState projectState =
projectCache.get(req.project).orElseThrow(illegalState(req.project));
Repository permissionAwareRepository = PermissionAwareRepositoryManager.wrap(repo, perm);
UploadPack up = new UploadPack(permissionAwareRepository);
up.setPackConfig(transferConfig.getPackConfig());
up.setTimeout(transferConfig.getTimeout());
if (projectState.isAllUsers()) {
up.setAdvertiseRefsHook(usersSelfAdvertiseRefsHook);
}
List<PreUploadHook> hooks = Lists.newArrayList(preUploadHooks);
hooks.add(
uploadValidatorsFactory.create(
projectState.getProject(), permissionAwareRepository, "localhost-test"));
up.setPreUploadHook(PreUploadHookChain.newChain(hooks));
uploadPackInitializers.runEach(initializer -> initializer.init(req.project, up));
return up;
}
}
private static class Receive implements ReceivePackFactory<Context> {
private final Provider<CurrentUser> userProvider;
private final ProjectCache projectCache;
private final AsyncReceiveCommits.Factory factory;
private final TransferConfig config;
private final PluginSetContext<ReceivePackInitializer> receivePackInitializers;
private final DynamicSet<PostReceiveHook> postReceiveHooks;
private final ThreadLocalRequestContext threadContext;
private final PermissionBackend permissionBackend;
private final QuotaBackend quotaBackend;
@Inject
Receive(
Provider<CurrentUser> userProvider,
ProjectCache projectCache,
AsyncReceiveCommits.Factory factory,
TransferConfig config,
PluginSetContext<ReceivePackInitializer> receivePackInitializers,
DynamicSet<PostReceiveHook> postReceiveHooks,
ThreadLocalRequestContext threadContext,
PermissionBackend permissionBackend,
QuotaBackend quotaBackend) {
this.userProvider = userProvider;
this.projectCache = projectCache;
this.factory = factory;
this.config = config;
this.receivePackInitializers = receivePackInitializers;
this.postReceiveHooks = postReceiveHooks;
this.threadContext = threadContext;
this.permissionBackend = permissionBackend;
this.quotaBackend = quotaBackend;
}
@Override
public ReceivePack create(Context req, Repository db) throws ServiceNotAuthorizedException {
// Set the request context, but don't bother unsetting, since we don't
// have an easy way to run code when this instance is done being used.
// Each operation is run in its own thread, so we don't need to recover
// its original context anyway.
threadContext.setContext(req);
current.set(req);
try {
permissionBackend
.currentUser()
.project(req.project)
.check(ProjectPermission.RUN_RECEIVE_PACK);
} catch (AuthException e) {
throw new ServiceNotAuthorizedException(e.getMessage(), e);
} catch (PermissionBackendException e) {
throw new RuntimeException(e);
}
try {
IdentifiedUser identifiedUser = userProvider.get().asIdentifiedUser();
ProjectState projectState =
projectCache
.get(req.project)
.orElseThrow(
() -> new RuntimeException(String.format("project %s not found", req.project)));
AsyncReceiveCommits arc = factory.create(projectState, identifiedUser, db, null);
if (arc.canUpload() != Capable.OK) {
throw new ServiceNotAuthorizedException();
}
ReceivePack rp = arc.getReceivePack();
rp.setRefLogIdent(identifiedUser.newRefLogIdent());
rp.setTimeout(config.getTimeout());
rp.setMaxObjectSizeLimit(config.getMaxObjectSizeLimit());
receivePackInitializers.runEach(
initializer -> initializer.init(projectState.getNameKey(), rp));
QuotaResponse.Aggregated availableTokens =
quotaBackend
.user(identifiedUser)
.project(req.project)
.availableTokens(REPOSITORY_SIZE_GROUP);
availableTokens.throwOnError();
availableTokens.availableTokens().ifPresent(rp::setMaxPackSizeLimit);
ImmutableList<PostReceiveHook> hooks =
ImmutableList.<PostReceiveHook>builder()
.add(
(pack, commands) -> {
if (affectsSize(pack)) {
try {
quotaBackend
.user(identifiedUser)
.project(req.project)
.requestTokens(REPOSITORY_SIZE_GROUP, pack.getPackSize())
.throwOnError();
} catch (QuotaException e) {
throw new RuntimeException(e);
}
}
})
.addAll(postReceiveHooks)
.build();
rp.setPostReceiveHook(PostReceiveHookChain.newChain(hooks));
return rp;
} catch (IOException | PermissionBackendException | QuotaException e) {
throw new RuntimeException(e);
}
}
}
@Inject
InProcessProtocol(Upload uploadPackFactory, Receive receivePackFactory) {
super(uploadPackFactory, receivePackFactory);
}
}