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// Copyright (C) 2014 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.group;
import com.google.common.base.Joiner;
import com.google.gerrit.audit.GroupMemberAuditListener;
import com.google.gerrit.common.TimeUtil;
import com.google.gerrit.reviewdb.client.Account;
import com.google.gerrit.reviewdb.client.AccountGroup;
import com.google.gerrit.reviewdb.client.AccountGroupById;
import com.google.gerrit.reviewdb.client.AccountGroupByIdAud;
import com.google.gerrit.reviewdb.client.AccountGroupMember;
import com.google.gerrit.reviewdb.client.AccountGroupMemberAudit;
import com.google.gerrit.reviewdb.server.ReviewDb;
import com.google.gerrit.server.account.AccountCache;
import com.google.gerrit.server.account.GroupCache;
import com.google.gerrit.server.account.UniversalGroupBackend;
import com.google.gwtorm.server.OrmException;
import com.google.gwtorm.server.SchemaFactory;
import com.google.inject.Inject;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
class DbGroupMemberAuditListener implements GroupMemberAuditListener {
private static final Logger log = LoggerFactory.getLogger(DbGroupMemberAuditListener.class);
private final SchemaFactory<ReviewDb> schema;
private final AccountCache accountCache;
private final GroupCache groupCache;
private final UniversalGroupBackend groupBackend;
@Inject
DbGroupMemberAuditListener(
SchemaFactory<ReviewDb> schema,
AccountCache accountCache,
GroupCache groupCache,
UniversalGroupBackend groupBackend) {
this.schema = schema;
this.accountCache = accountCache;
this.groupCache = groupCache;
this.groupBackend = groupBackend;
}
@Override
public void onAddAccountsToGroup(Account.Id me, Collection<AccountGroupMember> added) {
List<AccountGroupMemberAudit> auditInserts = new ArrayList<>();
for (AccountGroupMember m : added) {
AccountGroupMemberAudit audit = new AccountGroupMemberAudit(m, me, TimeUtil.nowTs());
auditInserts.add(audit);
}
try (ReviewDb db = schema.open()) {
db.accountGroupMembersAudit().insert(auditInserts);
} catch (OrmException e) {
logOrmExceptionForAccounts(
"Cannot log add accounts to group event performed by user", me, added, e);
}
}
@Override
public void onDeleteAccountsFromGroup(Account.Id me, Collection<AccountGroupMember> removed) {
List<AccountGroupMemberAudit> auditInserts = new ArrayList<>();
List<AccountGroupMemberAudit> auditUpdates = new ArrayList<>();
try (ReviewDb db = schema.open()) {
for (AccountGroupMember m : removed) {
AccountGroupMemberAudit audit = null;
for (AccountGroupMemberAudit a :
db.accountGroupMembersAudit().byGroupAccount(m.getAccountGroupId(), m.getAccountId())) {
if (a.isActive()) {
audit = a;
break;
}
}
if (audit != null) {
audit.removed(me, TimeUtil.nowTs());
auditUpdates.add(audit);
} else {
audit = new AccountGroupMemberAudit(m, me, TimeUtil.nowTs());
audit.removedLegacy();
auditInserts.add(audit);
}
}
db.accountGroupMembersAudit().update(auditUpdates);
db.accountGroupMembersAudit().insert(auditInserts);
} catch (OrmException e) {
logOrmExceptionForAccounts(
"Cannot log delete accounts from group event performed by user", me, removed, e);
}
}
@Override
public void onAddGroupsToGroup(Account.Id me, Collection<AccountGroupById> added) {
List<AccountGroupByIdAud> includesAudit = new ArrayList<>();
for (AccountGroupById groupInclude : added) {
AccountGroupByIdAud audit = new AccountGroupByIdAud(groupInclude, me, TimeUtil.nowTs());
includesAudit.add(audit);
}
try (ReviewDb db = schema.open()) {
db.accountGroupByIdAud().insert(includesAudit);
} catch (OrmException e) {
logOrmExceptionForGroups(
"Cannot log add groups to group event performed by user", me, added, e);
}
}
@Override
public void onDeleteGroupsFromGroup(Account.Id me, Collection<AccountGroupById> removed) {
final List<AccountGroupByIdAud> auditUpdates = new ArrayList<>();
try (ReviewDb db = schema.open()) {
for (AccountGroupById g : removed) {
AccountGroupByIdAud audit = null;
for (AccountGroupByIdAud a :
db.accountGroupByIdAud().byGroupInclude(g.getGroupId(), g.getIncludeUUID())) {
if (a.isActive()) {
audit = a;
break;
}
}
if (audit != null) {
audit.removed(me, TimeUtil.nowTs());
auditUpdates.add(audit);
}
}
db.accountGroupByIdAud().update(auditUpdates);
} catch (OrmException e) {
logOrmExceptionForGroups(
"Cannot log delete groups from group event performed by user", me, removed, e);
}
}
private void logOrmExceptionForAccounts(
String header, Account.Id me, Collection<AccountGroupMember> values, OrmException e) {
List<String> descriptions = new ArrayList<>();
for (AccountGroupMember m : values) {
Account.Id accountId = m.getAccountId();
String userName = accountCache.get(accountId).getUserName();
AccountGroup.Id groupId = m.getAccountGroupId();
String groupName = getGroupName(groupId);
descriptions.add(
MessageFormat.format(
"account {0}/{1}, group {2}/{3}", accountId, userName, groupId, groupName));
}
logOrmException(header, me, descriptions, e);
}
private void logOrmExceptionForGroups(
String header, Account.Id me, Collection<AccountGroupById> values, OrmException e) {
List<String> descriptions = new ArrayList<>();
for (AccountGroupById m : values) {
AccountGroup.UUID groupUuid = m.getIncludeUUID();
String groupName = groupBackend.get(groupUuid).getName();
AccountGroup.Id targetGroupId = m.getGroupId();
String targetGroupName = getGroupName(targetGroupId);
descriptions.add(
MessageFormat.format(
"group {0}/{1}, group {2}/{3}",
groupUuid, groupName, targetGroupId, targetGroupName));
}
logOrmException(header, me, descriptions, e);
}
private String getGroupName(AccountGroup.Id groupId) {
return groupCache.get(groupId).map(InternalGroup::getName).orElse("Deleted group " + groupId);
}
private void logOrmException(String header, Account.Id me, Iterable<?> values, OrmException e) {
StringBuilder message = new StringBuilder(header);
message.append(" ");
message.append(me);
message.append("/");
message.append(accountCache.get(me).getUserName());
message.append(": ");
message.append(Joiner.on("; ").join(values));
log.error(message.toString(), e);
}
}
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