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package org.bukkit.craftbukkit.util;
import com.google.common.base.Charsets;
import com.google.gson.Gson;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.util.UUID;
import org.apache.commons.io.IOUtils;
public class MojangNameLookup {
private static final Logger logger = LogManager.getFormatterLogger(MojangNameLookup.class);
public static String lookupName(UUID id) {
if (id == null) {
return null;
}
InputStream inputStream = null;
try {
URL url = new URL("https://sessionserver.mojang.com/session/minecraft/profile/" + id.toString().replace("-", ""));
URLConnection connection = url.openConnection();
connection.setConnectTimeout(15000);
connection.setReadTimeout(15000);
connection.setUseCaches(false);
inputStream = connection.getInputStream();
String result = IOUtils.toString(inputStream, Charsets.UTF_8);
Gson gson = new Gson();
Response response = gson.fromJson(result, Response.class);
if (response == null || response.name == null) {
logger.warn("Failed to lookup name from UUID");
return null;
}
if (response.cause != null && response.cause.length() > 0) {
logger.warn("Failed to lookup name from UUID: %s", response.errorMessage);
return null;
}
return response.name;
} catch (MalformedURLException ex) {
logger.warn("Malformed URL in UUID lookup");
return null;
} catch (IOException ex) {
IOUtils.closeQuietly(inputStream);
} finally {
IOUtils.closeQuietly(inputStream);
}
return null;
}
private class Response {
String errorMessage;
String cause;
String name;
}
}
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