| // Copyright (C) 2018 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.externalids; |
| |
| import static com.google.common.collect.ImmutableSetMultimap.toImmutableSetMultimap; |
| import static java.util.stream.Collectors.toList; |
| |
| import com.google.auto.value.AutoValue; |
| import com.google.common.base.Strings; |
| import com.google.common.collect.ImmutableSetMultimap; |
| import com.google.common.collect.SetMultimap; |
| import com.google.gerrit.entities.Account; |
| import com.google.gerrit.proto.Protos; |
| import com.google.gerrit.server.cache.proto.Cache.AllExternalIdsProto; |
| import com.google.gerrit.server.cache.proto.Cache.AllExternalIdsProto.ExternalIdProto; |
| import com.google.gerrit.server.cache.serialize.CacheSerializer; |
| import com.google.gerrit.server.cache.serialize.ObjectIdConverter; |
| import java.util.Collection; |
| |
| /** Cache value containing all external IDs. */ |
| @AutoValue |
| public abstract class AllExternalIds { |
| static AllExternalIds create(SetMultimap<Account.Id, ExternalId> byAccount) { |
| return new AutoValue_AllExternalIds( |
| ImmutableSetMultimap.copyOf(byAccount), byEmailCopy(byAccount.values())); |
| } |
| |
| static AllExternalIds create(Collection<ExternalId> externalIds) { |
| return new AutoValue_AllExternalIds( |
| externalIds.stream().collect(toImmutableSetMultimap(ExternalId::accountId, e -> e)), |
| byEmailCopy(externalIds)); |
| } |
| |
| private static ImmutableSetMultimap<String, ExternalId> byEmailCopy( |
| Collection<ExternalId> externalIds) { |
| return externalIds.stream() |
| .filter(e -> !Strings.isNullOrEmpty(e.email())) |
| .collect(toImmutableSetMultimap(ExternalId::email, e -> e)); |
| } |
| |
| public abstract ImmutableSetMultimap<Account.Id, ExternalId> byAccount(); |
| |
| public abstract ImmutableSetMultimap<String, ExternalId> byEmail(); |
| |
| enum Serializer implements CacheSerializer<AllExternalIds> { |
| INSTANCE; |
| |
| @Override |
| public byte[] serialize(AllExternalIds object) { |
| ObjectIdConverter idConverter = ObjectIdConverter.create(); |
| AllExternalIdsProto.Builder allBuilder = AllExternalIdsProto.newBuilder(); |
| object.byAccount().values().stream() |
| .map(extId -> toProto(idConverter, extId)) |
| .forEach(allBuilder::addExternalId); |
| return Protos.toByteArray(allBuilder.build()); |
| } |
| |
| private static ExternalIdProto toProto(ObjectIdConverter idConverter, ExternalId externalId) { |
| ExternalIdProto.Builder b = |
| ExternalIdProto.newBuilder() |
| .setKey(externalId.key().get()) |
| .setAccountId(externalId.accountId().get()); |
| if (externalId.email() != null) { |
| b.setEmail(externalId.email()); |
| } |
| if (externalId.password() != null) { |
| b.setPassword(externalId.password()); |
| } |
| if (externalId.blobId() != null) { |
| b.setBlobId(idConverter.toByteString(externalId.blobId())); |
| } |
| return b.build(); |
| } |
| |
| @Override |
| public AllExternalIds deserialize(byte[] in) { |
| ObjectIdConverter idConverter = ObjectIdConverter.create(); |
| return create( |
| Protos.parseUnchecked(AllExternalIdsProto.parser(), in).getExternalIdList().stream() |
| .map(proto -> toExternalId(idConverter, proto)) |
| .collect(toList())); |
| } |
| |
| private static ExternalId toExternalId(ObjectIdConverter idConverter, ExternalIdProto proto) { |
| return ExternalId.create( |
| ExternalId.Key.parse(proto.getKey()), |
| Account.id(proto.getAccountId()), |
| // ExternalId treats null and empty strings the same, so no need to distinguish here. |
| proto.getEmail(), |
| proto.getPassword(), |
| !proto.getBlobId().isEmpty() ? idConverter.fromByteString(proto.getBlobId()) : null); |
| } |
| } |
| } |