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// Copyright (C) 2010 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.errors.InvalidSshKeyException;
import com.google.gerrit.reviewdb.client.Account;
import com.google.gerrit.reviewdb.client.AccountExternalId;
import com.google.gerrit.reviewdb.client.AccountGroup;
import com.google.gerrit.reviewdb.client.AccountGroupMember;
import com.google.gerrit.reviewdb.client.AccountGroupMemberAudit;
import com.google.gerrit.reviewdb.client.AccountSshKey;
import com.google.gerrit.reviewdb.server.ReviewDb;
import com.google.gerrit.server.IdentifiedUser;
import com.google.gerrit.server.account.AccountByEmailCache;
import com.google.gerrit.server.account.AccountCache;
import com.google.gerrit.server.ssh.SshKeyCache;
import com.google.gerrit.sshd.BaseCommand;
import com.google.gwtorm.server.OrmDuplicateKeyException;
import com.google.gwtorm.server.OrmException;
import com.google.inject.Inject;
import org.apache.sshd.server.Environment;
import org.kohsuke.args4j.Argument;
import org.kohsuke.args4j.Option;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
/** Create a new user account. **/
final class CreateAccountCommand extends BaseCommand {
@Option(name = "--group", aliases = {"-g"}, metaVar = "GROUP", usage = "groups to add account to")
private List<AccountGroup.Id> groups = new ArrayList<AccountGroup.Id>();
@Option(name = "--full-name", metaVar = "NAME", usage = "display name of the account")
private String fullName;
@Option(name = "--email", metaVar = "EMAIL", usage = "email address of the account")
private String email;
@Option(name = "--ssh-key", metaVar = "-|KEY", usage = "public key for SSH authentication")
private String sshKey;
@Argument(index = 0, required = true, metaVar = "USERNAME", usage = "name of the user account")
private String username;
@Inject
private IdentifiedUser currentUser;
@Inject
private ReviewDb db;
@Inject
private SshKeyCache sshKeyCache;
@Inject
private AccountCache accountCache;
@Inject
private AccountByEmailCache byEmailCache;
@Override
public void start(final Environment env) {
startThread(new CommandRunnable() {
@Override
public void run() throws Exception {
if (!currentUser.getCapabilities().canCreateAccount()) {
String msg = String.format(
"fatal: %s does not have \"Create Account\" capability.",
currentUser.getUserName());
throw new UnloggedFailure(BaseCommand.STATUS_NOT_ADMIN, msg);
}
parseCommandLine();
createAccount();
}
});
}
private void createAccount() throws OrmException, IOException,
InvalidSshKeyException, UnloggedFailure {
if (!username.matches(Account.USER_NAME_PATTERN)) {
throw die("Username '" + username + "'"
+ " must contain only letters, numbers, _, - or .");
}
final Account.Id id = new Account.Id(db.nextAccountId());
final AccountSshKey key = readSshKey(id);
AccountExternalId extUser =
new AccountExternalId(id, new AccountExternalId.Key(
AccountExternalId.SCHEME_USERNAME, username));
if (db.accountExternalIds().get(extUser.getKey()) != null) {
throw die("username '" + username + "' already exists");
}
if (email != null && db.accountExternalIds().get(getEmailKey()) != null) {
throw die("email '" + email + "' already exists");
}
try {
db.accountExternalIds().insert(Collections.singleton(extUser));
} catch (OrmDuplicateKeyException duplicateKey) {
throw die("username '" + username + "' already exists");
}
if (email != null) {
AccountExternalId extMailto = new AccountExternalId(id, getEmailKey());
extMailto.setEmailAddress(email);
try {
db.accountExternalIds().insert(Collections.singleton(extMailto));
} catch (OrmDuplicateKeyException duplicateKey) {
try {
db.accountExternalIds().delete(Collections.singleton(extUser));
} catch (OrmException cleanupError) {
}
throw die("email '" + email + "' already exists");
}
}
Account a = new Account(id);
a.setFullName(fullName);
a.setPreferredEmail(email);
db.accounts().insert(Collections.singleton(a));
if (key != null) {
db.accountSshKeys().insert(Collections.singleton(key));
}
for (AccountGroup.Id groupId : new HashSet<AccountGroup.Id>(groups)) {
AccountGroupMember m =
new AccountGroupMember(new AccountGroupMember.Key(id, groupId));
db.accountGroupMembersAudit().insert(Collections.singleton( //
new AccountGroupMemberAudit(m, currentUser.getAccountId())));
db.accountGroupMembers().insert(Collections.singleton(m));
}
sshKeyCache.evict(username);
accountCache.evictByUsername(username);
byEmailCache.evict(email);
}
private AccountExternalId.Key getEmailKey() {
return new AccountExternalId.Key(AccountExternalId.SCHEME_MAILTO, email);
}
private AccountSshKey readSshKey(final Account.Id id)
throws UnsupportedEncodingException, IOException, InvalidSshKeyException {
if (sshKey == null) {
return null;
}
if ("-".equals(sshKey)) {
sshKey = "";
BufferedReader br =
new BufferedReader(new InputStreamReader(in, "UTF-8"));
String line;
while ((line = br.readLine()) != null) {
sshKey += line + "\n";
}
}
return sshKeyCache.create(new AccountSshKey.Id(id, 1), sshKey.trim());
}
}
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