116 lines
4.5 KiB
Java
116 lines
4.5 KiB
Java
/*
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* Copyright (c) 2016
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* This file is part of the spigot Minecraft server plugin 'PlaytimeReloaded'.
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*
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* PlaytimeReloaded is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* PlaytimeReloaded is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with PlaytimeReloaded. If not, see <http://www.gnu.org/licenses/>.
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*/
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package li.inc.PlaytimeReloaded.DataStore;
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import com.google.common.collect.ImmutableList;
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import org.json.simple.JSONArray;
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import org.json.simple.JSONObject;
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import org.json.simple.parser.JSONParser;
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import java.io.InputStreamReader;
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import java.io.OutputStream;
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import java.net.HttpURLConnection;
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import java.net.URL;
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import java.nio.ByteBuffer;
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import java.util.*;
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import java.util.concurrent.Callable;
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public class UUIDFetcher implements Callable<Map<String, UUID>> {
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private static final double PROFILES_PER_REQUEST = 100;
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private static final String PROFILE_URL = "https://api.mojang.com/profiles/minecraft";
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private final JSONParser jsonParser = new JSONParser();
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private final List<String> names;
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private final boolean rateLimiting;
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public UUIDFetcher(List<String> names, boolean rateLimiting) {
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this.names = ImmutableList.copyOf(names);
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this.rateLimiting = rateLimiting;
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}
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public UUIDFetcher(List<String> names) {
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this(names, true);
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}
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public Map<String, UUID> call() throws Exception {
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Map<String, UUID> uuidMap = new HashMap<String, UUID>();
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int requests = (int) Math.ceil(names.size() / PROFILES_PER_REQUEST);
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for (int i = 0; i < requests; i++) {
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HttpURLConnection connection = createConnection();
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String body = JSONArray.toJSONString(names.subList(i * 100, Math.min((i + 1) * 100, names.size())));
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writeBody(connection, body);
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JSONArray array = (JSONArray) jsonParser.parse(new InputStreamReader(connection.getInputStream()));
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for (Object profile : array) {
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JSONObject jsonProfile = (JSONObject) profile;
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String id = (String) jsonProfile.get("id");
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String name = (String) jsonProfile.get("name");
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UUID uuid = UUIDFetcher.getUUID(id);
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uuidMap.put(name, uuid);
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}
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if (rateLimiting && i != requests - 1) {
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Thread.sleep(100L);
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}
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}
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return uuidMap;
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}
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private static void writeBody(HttpURLConnection connection, String body) throws Exception {
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OutputStream stream = connection.getOutputStream();
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stream.write(body.getBytes());
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stream.flush();
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stream.close();
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}
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private static HttpURLConnection createConnection() throws Exception {
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URL url = new URL(PROFILE_URL);
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HttpURLConnection connection = (HttpURLConnection) url.openConnection();
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connection.setRequestMethod("POST");
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connection.setRequestProperty("Content-Type", "application/json");
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connection.setUseCaches(false);
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connection.setDoInput(true);
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connection.setDoOutput(true);
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return connection;
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}
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private static UUID getUUID(String id) {
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return UUID.fromString(id.substring(0, 8) + "-" + id.substring(8, 12) + "-" + id.substring(12, 16) + "-" + id.substring(16, 20) + "-" +id.substring(20, 32));
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}
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public static byte[] toBytes(UUID uuid) {
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ByteBuffer byteBuffer = ByteBuffer.wrap(new byte[16]);
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byteBuffer.putLong(uuid.getMostSignificantBits());
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byteBuffer.putLong(uuid.getLeastSignificantBits());
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return byteBuffer.array();
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}
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public static UUID fromBytes(byte[] array) {
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if (array.length != 16) {
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throw new IllegalArgumentException("Illegal byte array length: " + array.length);
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}
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ByteBuffer byteBuffer = ByteBuffer.wrap(array);
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long mostSignificant = byteBuffer.getLong();
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long leastSignificant = byteBuffer.getLong();
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return new UUID(mostSignificant, leastSignificant);
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}
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public static UUID getUUIDOf(String name) throws Exception {
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return new UUIDFetcher(Arrays.asList(name)).call().get(name);
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}
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} |