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89 lines
3.1 KiB
Java
89 lines
3.1 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;
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import static com.google.common.base.Preconditions.checkState;
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import static google.registry.model.ofy.ObjectifyService.ofy;
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import com.beust.jcommander.Parameter;
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import com.beust.jcommander.Parameters;
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import com.googlecode.objectify.VoidWork;
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import google.registry.model.domain.DomainResource;
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import google.registry.model.registrar.Registrar;
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import google.registry.model.registry.Registry;
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import google.registry.model.registry.Registry.TldType;
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import google.registry.tools.Command.RemoteApiCommand;
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/**
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* Command to delete the {@link Registry} associated with the specified TLD in Datastore.
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*
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* <p>This command will fail if any domains are currently registered on the TLD.
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*/
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@Parameters(separators = " =", commandDescription = "Delete a TLD from Datastore.")
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final class DeleteTldCommand extends ConfirmingCommand implements RemoteApiCommand {
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private Registry registry;
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@Parameter(
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names = {"-t", "--tld"},
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description = "The TLD to delete.",
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required = true)
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private String tld;
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/**
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* Perform the command by deleting the TLD.
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*
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* <p>Note that this uses an eventually consistent query, so theoretically, if you create a TLD,
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* create domains on it, then delete the TLD quickly enough, the code won't notice the domains,
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* and will let you delete the TLD. Since this command is only intended to be used in cleanup
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* tasks, that should be ok, and the check should always provide the desired safety against
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* accidental deletion of established TLDs with domains on them.
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*/
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@Override
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protected void init() throws Exception {
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registry = Registry.get(tld);
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checkState(registry.getTldType().equals(TldType.TEST), "Cannot delete a real TLD");
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for (Registrar registrar : Registrar.loadAll()) {
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checkState(
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!registrar.getAllowedTlds().contains(tld),
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"Cannot delete TLD because registrar %s lists it as an allowed TLD",
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registrar.getClientId());
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}
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int count = ofy().load()
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.type(DomainResource.class)
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.filter("tld", tld)
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.limit(1)
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.count();
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checkState(count == 0, "Cannot delete TLD because a domain is defined on it");
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}
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@Override
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protected String prompt() {
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return "You are about to delete TLD: " + tld;
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}
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@Override
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protected String execute() throws Exception {
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ofy().transactNew(new VoidWork() {
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@Override
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public void vrun() {
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ofy().delete().entity(registry).now();
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}});
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registry.invalidateInCache();
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return String.format("Deleted TLD '%s'.\n", tld);
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}
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}
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