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This allows list_domains to continue working for large TLDs. TESTED=Deploys to alpha and it works to list the most recently created domains even on a TLD with a huge number of domains on it (much more than .app has currently). ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=196717389
84 lines
3.2 KiB
Java
84 lines
3.2 KiB
Java
// Copyright 2017 The Nomulus Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package google.registry.tools.server;
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import static com.google.common.base.Preconditions.checkArgument;
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import static com.google.common.collect.ImmutableSet.toImmutableSet;
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import static google.registry.model.ofy.ObjectifyService.ofy;
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import static google.registry.model.registry.Registries.assertTldsExist;
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import static google.registry.request.Action.Method.GET;
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import static google.registry.request.Action.Method.POST;
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import static java.util.Comparator.comparing;
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import com.google.common.collect.ImmutableSet;
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import google.registry.model.EppResource;
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import google.registry.model.EppResourceUtils;
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import google.registry.model.domain.DomainResource;
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import google.registry.request.Action;
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import google.registry.request.Parameter;
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import google.registry.request.auth.Auth;
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import google.registry.util.Clock;
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import javax.inject.Inject;
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import org.joda.time.DateTime;
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/** An action that lists domains, for use by the {@code nomulus list_domains} command. */
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@Action(
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path = ListDomainsAction.PATH,
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method = {GET, POST},
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auth = Auth.AUTH_INTERNAL_OR_ADMIN
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)
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public final class ListDomainsAction extends ListObjectsAction<DomainResource> {
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/** An App Engine limitation on how many subqueries can be used in a single query. */
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private static final int MAX_NUM_SUBQUERIES = 30;
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public static final String PATH = "/_dr/admin/list/domains";
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@Inject @Parameter("tlds") ImmutableSet<String> tlds;
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@Inject @Parameter("limit") int limit;
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@Inject Clock clock;
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@Inject ListDomainsAction() {}
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@Override
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public ImmutableSet<String> getPrimaryKeyFields() {
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return ImmutableSet.of("fullyQualifiedDomainName");
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}
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@Override
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public ImmutableSet<DomainResource> loadObjects() {
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checkArgument(!tlds.isEmpty(), "Must specify TLDs to query");
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checkArgument(
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tlds.size() <= MAX_NUM_SUBQUERIES,
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"Cannot query more than %s TLDs simultaneously",
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MAX_NUM_SUBQUERIES);
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assertTldsExist(tlds);
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DateTime now = clock.nowUtc();
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return ofy()
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.load()
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.type(DomainResource.class)
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.filter("tld in", tlds)
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// Get the N most recently created domains (requires ordering in descending order).
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.order("-creationTime")
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.limit(limit)
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.list()
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.stream()
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.map(EppResourceUtils.transformAtTime(now))
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// Deleted entities must be filtered out post-query because queries don't allow ordering
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// with two filters.
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.filter(d -> d.getDeletionTime().isAfter(now))
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// Sort back to ascending order for nicer display.
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.sorted(comparing(EppResource::getCreationTime))
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.collect(toImmutableSet());
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}
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}
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