blob: 976a7d89aa9e7149483ad0f96010168c9cf2d614 [file] [log] [blame]
// 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.server.account;
import static java.util.Comparator.comparing;
import static java.util.stream.Collectors.toList;
import static java.util.stream.Collectors.toSet;
import com.google.common.flogger.FluentLogger;
import com.google.gerrit.entities.Account;
import com.google.gerrit.entities.RefNames;
import com.google.gerrit.metrics.Description;
import com.google.gerrit.metrics.MetricMaker;
import com.google.gerrit.metrics.Timer0;
import com.google.gerrit.server.account.externalids.ExternalIds;
import com.google.gerrit.server.config.AllUsersName;
import com.google.gerrit.server.config.CachedPreferences;
import com.google.gerrit.server.config.VersionedDefaultPreferences;
import com.google.gerrit.server.git.GitRepositoryManager;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Objects;
import java.util.Optional;
import java.util.Set;
import java.util.stream.Stream;
import org.eclipse.jgit.errors.ConfigInvalidException;
import org.eclipse.jgit.lib.Repository;
/** Class to access accounts. */
@Singleton
public class Accounts {
private static final FluentLogger logger = FluentLogger.forEnclosingClass();
private final GitRepositoryManager repoManager;
private final AllUsersName allUsersName;
private final ExternalIds externalIds;
private final Timer0 readSingleLatency;
@Inject
Accounts(
GitRepositoryManager repoManager,
AllUsersName allUsersName,
ExternalIds externalIds,
MetricMaker metricMaker) {
this.repoManager = repoManager;
this.allUsersName = allUsersName;
this.externalIds = externalIds;
this.readSingleLatency =
metricMaker.newTimer(
"notedb/read_single_account_config_latency",
new Description("Latency for reading a single account config.")
.setCumulative()
.setUnit(Description.Units.MILLISECONDS));
}
public Optional<AccountState> get(Account.Id accountId)
throws IOException, ConfigInvalidException {
try (Repository repo = repoManager.openRepository(allUsersName)) {
return read(repo, accountId);
}
}
public List<AccountState> get(Collection<Account.Id> accountIds)
throws IOException, ConfigInvalidException {
List<AccountState> accounts = new ArrayList<>(accountIds.size());
try (Repository repo = repoManager.openRepository(allUsersName)) {
for (Account.Id accountId : accountIds) {
read(repo, accountId).ifPresent(accounts::add);
}
}
return accounts;
}
/**
* Returns all accounts.
*
* @return all accounts
*/
public List<AccountState> all() throws IOException {
Set<Account.Id> accountIds = allIds();
List<AccountState> accounts = new ArrayList<>(accountIds.size());
try (Repository repo = repoManager.openRepository(allUsersName)) {
for (Account.Id accountId : accountIds) {
try {
read(repo, accountId).ifPresent(accounts::add);
} catch (Exception e) {
logger.atSevere().withCause(e).log("Ignoring invalid account %s", accountId);
}
}
}
return accounts;
}
/**
* Returns all account IDs.
*
* @return all account IDs
*/
public Set<Account.Id> allIds() throws IOException {
return readUserRefs().collect(toSet());
}
/**
* Returns the first n account IDs.
*
* @param n the number of account IDs that should be returned
* @return first n account IDs
*/
public List<Account.Id> firstNIds(int n) throws IOException {
return readUserRefs().sorted(comparing(Account.Id::get)).limit(n).collect(toList());
}
/**
* Checks if any account exists.
*
* @return {@code true} if at least one account exists, otherwise {@code false}
*/
public boolean hasAnyAccount() throws IOException {
try (Repository repo = repoManager.openRepository(allUsersName)) {
return hasAnyAccount(repo);
}
}
public static boolean hasAnyAccount(Repository repo) throws IOException {
return readUserRefs(repo).findAny().isPresent();
}
private Stream<Account.Id> readUserRefs() throws IOException {
try (Repository repo = repoManager.openRepository(allUsersName)) {
return readUserRefs(repo);
}
}
private Optional<AccountState> read(Repository allUsersRepository, Account.Id accountId)
throws IOException, ConfigInvalidException {
AccountConfig cfg;
CachedPreferences defaultPreferences;
try (Timer0.Context ignored = readSingleLatency.start()) {
cfg = new AccountConfig(accountId, allUsersName, allUsersRepository).load();
defaultPreferences =
CachedPreferences.fromConfig(
VersionedDefaultPreferences.get(allUsersRepository, allUsersName));
}
return AccountState.fromAccountConfig(externalIds, cfg, defaultPreferences);
}
public static Stream<Account.Id> readUserRefs(Repository repo) throws IOException {
return repo.getRefDatabase().getRefsByPrefix(RefNames.REFS_USERS).stream()
.map(r -> Account.Id.fromRef(r.getName()))
.filter(Objects::nonNull);
}
}