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55 lines
2.1 KiB
Java
55 lines
2.1 KiB
Java
package net.minestom.server.utils.mojang;
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import com.github.benmanes.caffeine.cache.Cache;
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import com.github.benmanes.caffeine.cache.Caffeine;
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import com.google.gson.JsonObject;
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import com.google.gson.JsonParser;
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import net.minestom.server.MinecraftServer;
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import net.minestom.server.utils.url.URLUtils;
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import org.jetbrains.annotations.Blocking;
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import org.jetbrains.annotations.NotNull;
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import org.jetbrains.annotations.Nullable;
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import java.io.IOException;
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import java.util.concurrent.TimeUnit;
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/**
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* Utils class using mojang API.
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*/
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public final class MojangUtils {
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private static final String FROM_UUID_URL = "https://sessionserver.mojang.com/session/minecraft/profile/%s?unsigned=false";
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private static final String FROM_USERNAME_URL = "https://api.mojang.com/users/profiles/minecraft/%s";
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private static final Cache<String, JsonObject> URL_CACHE = Caffeine.newBuilder()
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.expireAfterWrite(30, TimeUnit.SECONDS)
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.softValues()
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.build();
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@Blocking
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public static @Nullable JsonObject fromUuid(@NotNull String uuid) {
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return retrieve(String.format(FROM_UUID_URL, uuid));
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}
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@Blocking
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public static @Nullable JsonObject fromUsername(@NotNull String username) {
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return retrieve(String.format(FROM_USERNAME_URL, username));
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}
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private static @Nullable JsonObject retrieve(@NotNull String url) {
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return URL_CACHE.get(url, s -> {
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try {
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// Retrieve from the rate-limited Mojang API
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final String response = URLUtils.getText(url);
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// If our response is "", that means the url did not get a proper object from the url
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// So the username or UUID was invalid, and therefore we return null
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if(response.isEmpty()) {
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return null;
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}
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return JsonParser.parseString(response).getAsJsonObject();
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} catch (IOException e) {
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MinecraftServer.getExceptionManager().handleException(e);
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throw new RuntimeException(e);
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}
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});
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}
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}
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