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mv com/google/domain/registry google/registry
This change renames directories in preparation for the great package rename. The repository is now in a broken state because the code itself hasn't been updated. However this should ensure that git correctly preserves history for each file.
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Justine Tunney
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a41677aea1
commit
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2396 changed files with 0 additions and 0 deletions
178
java/google/registry/whois/WhoisHttpServer.java
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178
java/google/registry/whois/WhoisHttpServer.java
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// 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 com.google.domain.registry.whois;
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import static com.google.common.base.Strings.nullToEmpty;
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import static com.google.common.base.Verify.verify;
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import static com.google.common.net.HttpHeaders.ACCESS_CONTROL_ALLOW_ORIGIN;
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import static com.google.common.net.HttpHeaders.CACHE_CONTROL;
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import static com.google.common.net.HttpHeaders.EXPIRES;
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import static com.google.common.net.HttpHeaders.LAST_MODIFIED;
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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.PLAIN_TEXT_UTF_8;
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import static javax.servlet.http.HttpServletResponse.SC_BAD_REQUEST;
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import static javax.servlet.http.HttpServletResponse.SC_OK;
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import com.google.common.base.Joiner;
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import com.google.common.base.Splitter;
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import com.google.domain.registry.config.ConfigModule.Config;
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import com.google.domain.registry.request.Action;
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import com.google.domain.registry.request.RequestPath;
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import com.google.domain.registry.request.Response;
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import com.google.domain.registry.util.Clock;
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import com.google.domain.registry.util.FormattingLogger;
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import org.joda.time.DateTime;
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import org.joda.time.Duration;
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import java.io.IOException;
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import java.io.Reader;
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import java.io.StringReader;
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import java.io.UnsupportedEncodingException;
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import java.net.URLDecoder;
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import javax.inject.Inject;
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/**
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* Human-Friendly HTTP WHOIS API
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*
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* <p>This API uses easy to understand paths rather than {@link WhoisServer} which
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* requires a POST request containing a WHOIS command. Because the typical WHOIS command is
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* along the lines of {@code "domain google.lol"} or the equivalent {@code "google.lol}, this
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* servlet is just going to replace the slashes with spaces and let {@link WhoisReader}
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* figure out what to do.
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*
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* <p>This servlet accepts requests from any origin.
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*
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* <p>You can send AJAX requests to our WHOIS API from your <em>very own</em> website using the
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* following embed code:
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*
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* <pre>
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* <p>
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* <input id="query-input" placeholder="Domain, Nameserver, IP, etc." autofocus>
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* <button id="search-button">Lookup</button>
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* <p>
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* <pre id="whois-results"></pre>
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* <script>
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* (function() {
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* var WHOIS_API_URL = 'https://domain-registry-alpha.appspot.com/whois/';
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* function OnKeyPressQueryInput(ev) {
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* if (typeof ev == 'undefined' && window.event) {
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* ev = window.event;
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* }
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* if (ev.keyCode == 13) {
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* document.getElementById('search-button').click();
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* }
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* }
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* function OnClickSearchButton() {
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* var query = document.getElementById('query-input').value;
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* var req = new XMLHttpRequest();
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* req.onreadystatechange = function() {
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* if (req.readyState == 4) {
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* var results = document.getElementById('whois-results');
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* results.textContent = req.responseText;
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* }
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* };
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* req.open('GET', WHOIS_API_URL + escape(query), true);
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* req.send();
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* }
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* document.getElementById('search-button').onclick = OnClickSearchButton;
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* document.getElementById('query-input').onkeypress = OnKeyPressQueryInput;
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* })();
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* </script>
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* </pre>
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*
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* @see WhoisServer
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*/
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@Action(path = WhoisHttpServer.PATH, isPrefix = true)
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public final class WhoisHttpServer implements Runnable {
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public static final String PATH = "/whois/";
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private static final FormattingLogger logger = FormattingLogger.getLoggerForCallerClass();
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/**
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* Cross-origin resource sharing (CORS) allowed origins policy.
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*
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* <p>This field specifies the value of the {@code Access-Control-Allow-Origin} response header.
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* Without this header, other domains such as charlestonroadregistry.com would not be able to
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* send requests to our WHOIS interface.
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*
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* <p>Our policy shall be to allow requests from pretty much anywhere using a wildcard policy.
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* The reason this is safe is because our WHOIS interface doesn't allow clients to modify data,
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* nor does it allow them to fetch user data. Only publicly available information is returned.
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*
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* @see <a href="http://www.w3.org/TR/cors/#access-control-allow-origin-response-header">
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* W3C CORS § 5.1 Access-Control-Allow-Origin Response Header</a>
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*/
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private static final String CORS_ALLOW_ORIGIN = "*";
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/** We're going to let any HTTP proxy in the world cache our responses. */
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private static final String CACHE_CONTROL_VALUE = "public";
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/** Responses may be cached for up to a day. */
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private static final String X_CONTENT_NO_SNIFF = "nosniff";
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/** Splitter that turns information on HTTP into a list of tokens. */
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private static final Splitter SLASHER = Splitter.on('/').trimResults().omitEmptyStrings();
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/** Joiner that turns {@link #SLASHER} tokens into a normal WHOIS query. */
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private static final Joiner JOINER = Joiner.on(' ');
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@Inject Clock clock;
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@Inject Response response;
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@Inject @Config("whoisHttpExpires") Duration expires;
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@Inject @RequestPath String requestPath;
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@Inject WhoisHttpServer() {}
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@Override
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public void run() {
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verify(requestPath.startsWith(PATH));
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String path = nullToEmpty(requestPath);
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try {
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// Extremely permissive parsing that turns stuff like "/hello/world/" into "hello world".
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String command = decode(JOINER.join(SLASHER.split(path.substring(PATH.length())))) + "\r\n";
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Reader reader = new StringReader(command);
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DateTime now = clock.nowUtc();
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sendResponse(SC_OK, new WhoisReader(reader, now).readCommand().executeQuery(now));
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} catch (WhoisException e) {
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sendResponse(e.getStatus(), e);
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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private void sendResponse(int status, WhoisResponse whoisResponse) {
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response.setStatus(status);
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response.setDateHeader(LAST_MODIFIED, whoisResponse.getTimestamp());
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response.setDateHeader(EXPIRES, whoisResponse.getTimestamp().plus(expires));
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response.setHeader(CACHE_CONTROL, CACHE_CONTROL_VALUE);
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response.setHeader(ACCESS_CONTROL_ALLOW_ORIGIN, CORS_ALLOW_ORIGIN);
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response.setHeader(X_CONTENT_TYPE_OPTIONS, X_CONTENT_NO_SNIFF);
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response.setContentType(PLAIN_TEXT_UTF_8);
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response.setPayload(whoisResponse.getPlainTextOutput(true));
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}
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/** Removes {@code %xx} escape codes from request path components. */
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private String decode(String pathData)
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throws UnsupportedEncodingException, WhoisException {
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try {
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return URLDecoder.decode(pathData, "UTF-8");
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} catch (IllegalArgumentException e) {
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logger.infofmt("Malformed WHOIS request path: %s (%s)", requestPath, pathData);
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throw new WhoisException(clock.nowUtc(), SC_BAD_REQUEST, "Malformed path query.");
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}
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}
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}
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