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@@ -1,10 +1,11 @@
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package com.gmail.nossr50.util.uuid;
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-import java.io.DataOutputStream;
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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.util.ArrayList;
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+import java.nio.ByteBuffer;
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+import java.util.Arrays;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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@@ -14,54 +15,55 @@ import java.util.concurrent.Callable;
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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.JSONValue;
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import org.json.simple.parser.JSONParser;
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public class UUIDFetcher implements Callable<Map<String, UUID>> {
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- private static final int MAX_SEARCH = 100;
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- private static final String PROFILE_URL = "https://api.mojang.com/profiles/page/";
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- private static final String AGENT = "minecraft";
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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) {
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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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+
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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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- String body = buildBody(names);
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- for (int i = 1; i < MAX_SEARCH; i++) {
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- HttpURLConnection connection = createConnection(i);
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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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- JSONObject jsonObject = (JSONObject) jsonParser.parse(new InputStreamReader(connection.getInputStream()));
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- JSONArray array = (JSONArray) jsonObject.get("profiles");
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- Number count = (Number) jsonObject.get("size");
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-
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- if (count.intValue() == 0) {
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- break;
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- }
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-
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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 = 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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+ 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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- DataOutputStream writer = new DataOutputStream(connection.getOutputStream());
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- writer.write(body.getBytes());
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- writer.flush();
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- writer.close();
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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(int page) throws Exception {
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- URL url = new URL(PROFILE_URL + page);
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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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@@ -71,17 +73,28 @@ public class UUIDFetcher implements Callable<Map<String, UUID>> {
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return connection;
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}
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- @SuppressWarnings("unchecked")
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- private static String buildBody(List<String> names) {
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- List<JSONObject> lookups = new ArrayList<JSONObject>();
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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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+
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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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- for (String name : names) {
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- JSONObject obj = new JSONObject();
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- obj.put("name", name);
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- obj.put("agent", AGENT);
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- lookups.add(obj);
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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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- return JSONValue.toJSONString(lookups);
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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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}
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