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// Copyright (C) 2013 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.server.restapi.project;
import static java.util.Objects.requireNonNull;
import com.google.common.base.MoreObjects;
import com.google.common.base.Strings;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
import com.google.gerrit.common.data.GlobalCapability;
import com.google.gerrit.entities.ProjectUtil;
import com.google.gerrit.entities.RefNames;
import com.google.gerrit.extensions.annotations.RequiresCapability;
import com.google.gerrit.extensions.api.projects.ConfigInput;
import com.google.gerrit.extensions.api.projects.ProjectInput;
import com.google.gerrit.extensions.client.InheritableBoolean;
import com.google.gerrit.extensions.client.SubmitType;
import com.google.gerrit.extensions.common.ProjectInfo;
import com.google.gerrit.extensions.restapi.BadRequestException;
import com.google.gerrit.extensions.restapi.IdString;
import com.google.gerrit.extensions.restapi.ResourceConflictException;
import com.google.gerrit.extensions.restapi.Response;
import com.google.gerrit.extensions.restapi.RestApiException;
import com.google.gerrit.extensions.restapi.RestCollectionCreateView;
import com.google.gerrit.extensions.restapi.TopLevelResource;
import com.google.gerrit.server.config.AllProjectsName;
import com.google.gerrit.server.config.AllUsersName;
import com.google.gerrit.server.config.GerritServerConfig;
import com.google.gerrit.server.config.ProjectOwnerGroupsProvider;
import com.google.gerrit.server.group.GroupResolver;
import com.google.gerrit.server.permissions.PermissionBackendException;
import com.google.gerrit.server.plugincontext.PluginItemContext;
import com.google.gerrit.server.plugincontext.PluginSetContext;
import com.google.gerrit.server.project.CreateProjectArgs;
import com.google.gerrit.server.project.ProjectConfig;
import com.google.gerrit.server.project.ProjectCreator;
import com.google.gerrit.server.project.ProjectJson;
import com.google.gerrit.server.project.ProjectNameLockManager;
import com.google.gerrit.server.project.ProjectResource;
import com.google.gerrit.server.project.ProjectState;
import com.google.gerrit.server.validators.ProjectCreationValidationListener;
import com.google.gerrit.server.validators.ValidationException;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.Singleton;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.locks.Lock;
import org.eclipse.jgit.errors.ConfigInvalidException;
import org.eclipse.jgit.lib.Config;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.Repository;
@RequiresCapability(GlobalCapability.CREATE_PROJECT)
@Singleton
public class CreateProject
implements RestCollectionCreateView<TopLevelResource, ProjectResource, ProjectInput> {
private final Provider<ProjectsCollection> projectsCollection;
private final Provider<GroupResolver> groupResolver;
private final PluginSetContext<ProjectCreationValidationListener>
projectCreationValidationListeners;
private final ProjectJson json;
private final ProjectOwnerGroupsProvider.Factory projectOwnerGroups;
private final Provider<PutConfig> putConfig;
private final AllProjectsName allProjects;
private final AllUsersName allUsers;
private final PluginItemContext<ProjectNameLockManager> lockManager;
private final ProjectCreator projectCreator;
private final Config gerritConfig;
@Inject
CreateProject(
ProjectCreator projectCreator,
Provider<ProjectsCollection> projectsCollection,
Provider<GroupResolver> groupResolver,
ProjectJson json,
PluginSetContext<ProjectCreationValidationListener> projectCreationValidationListeners,
ProjectOwnerGroupsProvider.Factory projectOwnerGroups,
Provider<PutConfig> putConfig,
AllProjectsName allProjects,
AllUsersName allUsers,
PluginItemContext<ProjectNameLockManager> lockManager,
@GerritServerConfig Config gerritConfig) {
this.projectsCollection = projectsCollection;
this.projectCreator = projectCreator;
this.groupResolver = groupResolver;
this.projectCreationValidationListeners = projectCreationValidationListeners;
this.json = json;
this.projectOwnerGroups = projectOwnerGroups;
this.putConfig = putConfig;
this.allProjects = allProjects;
this.allUsers = allUsers;
this.lockManager = lockManager;
this.gerritConfig = gerritConfig;
}
@Override
public Response<ProjectInfo> apply(TopLevelResource resource, IdString id, ProjectInput input)
throws RestApiException, IOException, ConfigInvalidException, PermissionBackendException {
String name = id.get();
if (input == null) {
input = new ProjectInput();
}
if (input.name != null && !name.equals(input.name)) {
throw new BadRequestException("name must match URL");
}
CreateProjectArgs args = new CreateProjectArgs();
args.setProjectName(ProjectUtil.sanitizeProjectName(name));
String parentName =
MoreObjects.firstNonNull(Strings.emptyToNull(input.parent), allProjects.get());
args.newParent = projectsCollection.get().parse(parentName, false).getNameKey();
if (args.newParent.equals(allUsers)) {
throw new ResourceConflictException(
String.format("Cannot inherit from '%s' project", allUsers.get()));
}
args.createEmptyCommit = input.createEmptyCommit;
args.permissionsOnly = input.permissionsOnly;
args.projectDescription = Strings.emptyToNull(input.description);
args.submitType = input.submitType;
args.branch = normalizeBranchNames(input.branches);
if (input.owners == null || input.owners.isEmpty()) {
args.ownerIds = new ArrayList<>(projectOwnerGroups.create(args.getProject()).get());
} else {
args.ownerIds = Lists.newArrayListWithCapacity(input.owners.size());
for (String owner : input.owners) {
args.ownerIds.add(groupResolver.get().parse(owner).getGroupUUID());
}
}
args.contributorAgreements =
MoreObjects.firstNonNull(input.useContributorAgreements, InheritableBoolean.INHERIT);
args.signedOffBy = MoreObjects.firstNonNull(input.useSignedOffBy, InheritableBoolean.INHERIT);
args.contentMerge =
input.submitType == SubmitType.FAST_FORWARD_ONLY
? InheritableBoolean.FALSE
: MoreObjects.firstNonNull(input.useContentMerge, InheritableBoolean.INHERIT);
args.newChangeForAllNotInTarget =
MoreObjects.firstNonNull(
input.createNewChangeForAllNotInTarget, InheritableBoolean.INHERIT);
args.changeIdRequired =
MoreObjects.firstNonNull(input.requireChangeId, InheritableBoolean.INHERIT);
args.rejectEmptyCommit =
MoreObjects.firstNonNull(input.rejectEmptyCommit, InheritableBoolean.INHERIT);
args.enableSignedPush =
MoreObjects.firstNonNull(input.enableSignedPush, InheritableBoolean.INHERIT);
args.requireSignedPush =
MoreObjects.firstNonNull(input.requireSignedPush, InheritableBoolean.INHERIT);
try {
args.maxObjectSizeLimit = ProjectConfig.validMaxObjectSizeLimit(input.maxObjectSizeLimit);
} catch (ConfigInvalidException e) {
throw new BadRequestException(e.getMessage());
}
Lock nameLock = lockManager.call(lockManager -> lockManager.getLock(args.getProject()));
nameLock.lock();
try {
try {
projectCreationValidationListeners.runEach(
l -> l.validateNewProject(args), ValidationException.class);
} catch (ValidationException e) {
throw new ResourceConflictException(e.getMessage(), e);
}
ProjectState projectState = projectCreator.createProject(args);
requireNonNull(
projectState,
() -> String.format("failed to create project %s", args.getProject().get()));
if (input.pluginConfigValues != null) {
ConfigInput in = new ConfigInput();
in.pluginConfigValues = input.pluginConfigValues;
in.description = args.projectDescription;
putConfig.get().apply(projectState, in);
}
return Response.created(json.format(projectState));
} finally {
nameLock.unlock();
}
}
private ImmutableList<String> normalizeBranchNames(List<String> branches)
throws BadRequestException {
if (branches == null || branches.isEmpty()) {
// Use host-level default for HEAD or fall back to 'master' if nothing else was specified in
// the input.
String defaultBranch = gerritConfig.getString("gerrit", null, "defaultBranch");
defaultBranch =
defaultBranch != null
? normalizeAndValidateBranch(defaultBranch)
: Constants.R_HEADS + Constants.MASTER;
return ImmutableList.of(defaultBranch);
}
List<String> normalizedBranches = new ArrayList<>();
for (String branch : branches) {
branch = normalizeAndValidateBranch(branch);
if (!normalizedBranches.contains(branch)) {
normalizedBranches.add(branch);
}
}
return ImmutableList.copyOf(normalizedBranches);
}
private String normalizeAndValidateBranch(String branch) throws BadRequestException {
while (branch.startsWith("/")) {
branch = branch.substring(1);
}
branch = RefNames.fullName(branch);
if (!Repository.isValidRefName(branch)) {
throw new BadRequestException(String.format("Branch \"%s\" is not a valid name.", branch));
}
return branch;
}
static class ValidBranchListener implements ProjectCreationValidationListener {
@Override
public void validateNewProject(CreateProjectArgs args) throws ValidationException {
for (String branch : args.branch) {
if (RefNames.isGerritRef(branch)) {
throw new ValidationException(
String.format(
"Cannot create a project with branch %s. Branches in the Gerrit internal refs namespace are not allowed",
branch));
}
}
}
}
}