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// Copyright (C) 2020 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;

import static com.google.common.flogger.LazyArgs.lazy;

import com.google.common.collect.ImmutableSet;
import com.google.common.flogger.FluentLogger;
import com.google.gerrit.server.account.GroupBackend;
import com.google.gerrit.server.account.GroupMembership;
import com.google.gerrit.server.account.externalids.ExternalId;
import com.google.inject.Inject;
import com.google.inject.assistedinject.Assisted;
import java.util.Collection;

/**
 * Represents a user that does not have a Gerrit account.
 *
 * 

This user is limited in what they can do on Gerrit. For now, we only guarantee that permission * checking - including ref filtering works. * *

This class is thread-safe. */ public class ExternalUser extends CurrentUser { private static final FluentLogger logger = FluentLogger.forEnclosingClass(); public interface Factory { ExternalUser create( Collection emailAddresses, Collection externalIdKeys, PropertyMap propertyMap); } private final GroupBackend groupBackend; private final ImmutableSet emailAddresses; private final ImmutableSet externalIdKeys; private GroupMembership effectiveGroups; @Inject public ExternalUser( GroupBackend groupBackend, @Assisted Collection emailAddresses, @Assisted Collection externalIdKeys, @Assisted PropertyMap propertyMap) { super(propertyMap); this.groupBackend = groupBackend; this.emailAddresses = ImmutableSet.copyOf(emailAddresses); this.externalIdKeys = ImmutableSet.copyOf(externalIdKeys); } @Override public ImmutableSet getEmailAddresses() { return emailAddresses; } @Override public ImmutableSet getExternalIdKeys() { return externalIdKeys; } @Override public GroupMembership getEffectiveGroups() { synchronized (this) { if (effectiveGroups == null) { effectiveGroups = groupBackend.membershipsOf(this); logger.atFinest().log( "Known groups of %s: %s", getLoggableName(), lazy(effectiveGroups::getKnownGroups)); } } return effectiveGroups; } @Override public Object getCacheKey() { return this; // Caching is tied to this exact instance. } }





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