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c458c05801
The dark lord Gosling designed the Java package naming system so that ownership flows from the DNS system. Since we own the domain name registry.google, it seems only appropriate that we should use google.registry as our package name.
68 lines
2.5 KiB
Java
68 lines
2.5 KiB
Java
// Copyright 2016 The Domain Registry 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.request;
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import static com.google.common.base.Preconditions.checkNotNull;
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import static com.google.common.net.HttpHeaders.CONTENT_DISPOSITION;
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import static com.google.common.net.HttpHeaders.X_CONTENT_TYPE_OPTIONS;
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import static com.google.common.net.MediaType.JSON_UTF_8;
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import static org.json.simple.JSONValue.toJSONString;
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import org.joda.time.DateTime;
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import java.util.Map;
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import javax.inject.Inject;
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/** JSON response object. */
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public class JsonResponse {
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/** String prefixed to all JSON-like responses to break {@code eval()}. */
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public static final String JSON_SAFETY_PREFIX = ")]}'\n";
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protected final Response response;
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@Inject
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public JsonResponse(Response rsp) {
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this.response = rsp;
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}
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/** @see Response#setStatus */
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public void setStatus(int status) {
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response.setStatus(status);
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}
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/** Writes the JSON map to the HTTP payload; call this exactly once. */
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public void setPayload(Map<String, ?> responseMap) {
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response.setContentType(JSON_UTF_8);
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// This prevents IE from MIME-sniffing a response away from the declared Content-Type.
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response.setHeader(X_CONTENT_TYPE_OPTIONS, "nosniff");
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// This is a defense in depth that prevents browsers from trying to render the content of the
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// response, even if all else fails. It's basically another anti-sniffing mechanism in the sense
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// that if you hit this url directly, it would try to download the file instead of showing it.
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response.setHeader(CONTENT_DISPOSITION, "attachment");
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response.setPayload(JSON_SAFETY_PREFIX + toJSONString(checkNotNull(responseMap)));
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}
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/** @see Response#setHeader */
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public void setHeader(String header, String value) {
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response.setHeader(header, value);
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}
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/** @see Response#setDateHeader */
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public void setDateHeader(String header, DateTime timestamp) {
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response.setDateHeader(header, timestamp);
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}
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}
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