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bb3a0c78c5
With some additional changes by Ben McIlwain. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=145447136
62 lines
2.4 KiB
Java
62 lines
2.4 KiB
Java
// Copyright 2016 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.whois;
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import static com.google.common.base.Preconditions.checkNotNull;
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import static google.registry.model.registry.Registries.findTldForName;
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import static google.registry.model.registry.Registries.getTlds;
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import static javax.servlet.http.HttpServletResponse.SC_NOT_FOUND;
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import com.google.common.annotations.VisibleForTesting;
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import com.google.common.base.Optional;
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import com.google.common.net.InternetDomainName;
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import javax.annotation.Nullable;
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import org.joda.time.DateTime;
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/** Represents a WHOIS lookup on a domain name (i.e. SLD) or a nameserver. */
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public abstract class DomainOrHostLookupCommand implements WhoisCommand {
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@VisibleForTesting final InternetDomainName domainOrHostName;
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private final String errorPrefix;
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private Optional<InternetDomainName> tld;
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DomainOrHostLookupCommand(
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InternetDomainName domainName, @Nullable InternetDomainName tld, String errorPrefix) {
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this.errorPrefix = errorPrefix;
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this.domainOrHostName = checkNotNull(domainName, "domainOrHostName");
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this.tld = Optional.fromNullable(tld);
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}
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@Override
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public final WhoisResponse executeQuery(final DateTime now) throws WhoisException {
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if (!tld.isPresent()) {
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tld = findTldForName(domainOrHostName);
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}
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// Google Policy: Do not return records under TLDs for which we're not authoritative.
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if (tld.isPresent() && getTlds().contains(tld.get().toString())) {
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final Optional<WhoisResponse> response = getResponse(domainOrHostName, now);
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if (response.isPresent()) {
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return response.get();
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}
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}
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throw new WhoisException(now, SC_NOT_FOUND, errorPrefix + " not found.");
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}
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/** Renders a response record, provided its successfully retrieved datastore entity. */
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protected abstract Optional<WhoisResponse> getResponse(
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InternetDomainName domainName, DateTime now);
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}
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