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// Copyright (C) 2017 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.pgm.init;
import static java.nio.charset.StandardCharsets.UTF_8;
import static java.util.Objects.requireNonNull;
import com.google.gerrit.entities.Account;
import com.google.gerrit.entities.RefNames;
import com.google.gerrit.pgm.init.api.AllUsersNameOnInitProvider;
import com.google.gerrit.pgm.init.api.InitFlags;
import com.google.gerrit.server.GerritPersonIdentProvider;
import com.google.gerrit.server.account.AccountDelta;
import com.google.gerrit.server.account.AccountProperties;
import com.google.gerrit.server.account.Accounts;
import com.google.gerrit.server.config.SitePaths;
import com.google.inject.Inject;
import java.io.File;
import java.io.IOException;
import java.nio.file.Path;
import org.eclipse.jgit.dircache.DirCache;
import org.eclipse.jgit.dircache.DirCacheEditor;
import org.eclipse.jgit.dircache.DirCacheEditor.PathEdit;
import org.eclipse.jgit.dircache.DirCacheEntry;
import org.eclipse.jgit.internal.storage.file.FileRepository;
import org.eclipse.jgit.lib.CommitBuilder;
import org.eclipse.jgit.lib.Config;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.FileMode;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.ObjectInserter;
import org.eclipse.jgit.lib.PersonIdent;
import org.eclipse.jgit.lib.RefUpdate;
import org.eclipse.jgit.lib.RefUpdate.Result;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.lib.RepositoryCache.FileKey;
import org.eclipse.jgit.util.FS;
public class AccountsOnInit {
private final InitFlags flags;
private final SitePaths site;
private final String allUsers;
@Inject
public AccountsOnInit(InitFlags flags, SitePaths site, AllUsersNameOnInitProvider allUsers) {
this.flags = flags;
this.site = site;
this.allUsers = allUsers.get();
}
public Account insert(Account.Builder account) throws IOException {
File path = getPath();
try (Repository repo = new FileRepository(path);
ObjectInserter oi = repo.newObjectInserter()) {
PersonIdent ident =
new PersonIdent(new GerritPersonIdentProvider(flags.cfg).get(), account.registeredOn());
Config accountConfig = new Config();
AccountProperties.writeToAccountConfig(
AccountDelta.builder()
.setActive(!account.inactive())
.setFullName(account.fullName())
.setPreferredEmail(account.preferredEmail())
.setStatus(account.status())
.build(),
accountConfig);
DirCache newTree = DirCache.newInCore();
DirCacheEditor editor = newTree.editor();
final ObjectId blobId = oi.insert(Constants.OBJ_BLOB, accountConfig.toText().getBytes(UTF_8));
editor.add(
new PathEdit(AccountProperties.ACCOUNT_CONFIG) {
@Override
public void apply(DirCacheEntry ent) {
ent.setFileMode(FileMode.REGULAR_FILE);
ent.setObjectId(blobId);
}
});
editor.finish();
ObjectId treeId = newTree.writeTree(oi);
CommitBuilder cb = new CommitBuilder();
cb.setTreeId(treeId);
cb.setCommitter(ident);
cb.setAuthor(ident);
cb.setMessage("Create Account");
ObjectId id = oi.insert(cb);
oi.flush();
String refName = RefNames.refsUsers(account.id());
RefUpdate ru = repo.updateRef(refName);
ru.setExpectedOldObjectId(ObjectId.zeroId());
ru.setNewObjectId(id);
ru.setRefLogIdent(ident);
ru.setRefLogMessage("Create Account", false);
Result result = ru.update();
if (result != Result.NEW) {
throw new IOException(String.format("Failed to update ref %s: %s", refName, result.name()));
}
account.setMetaId(id.name()).build();
}
return account.build();
}
public boolean hasAnyAccount() throws IOException {
File path = getPath();
if (path == null) {
return false;
}
try (Repository repo = new FileRepository(path)) {
return Accounts.hasAnyAccount(repo);
}
}
private File getPath() {
Path basePath = site.resolve(flags.cfg.getString("gerrit", null, "basePath"));
requireNonNull(basePath, "gerrit.basePath must be configured");
File file = basePath.resolve(allUsers).toFile();
File resolvedFile = FileKey.resolve(file, FS.DETECTED);
requireNonNull(resolvedFile, () -> String.format("%s does not exist", file.getAbsolutePath()));
return resolvedFile;
}
}
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