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package com.mondecitronne.homunculus;
import java.io.File;
import java.net.Proxy;
import java.util.Map;
import java.util.UUID;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import javax.annotation.Nullable;
import com.google.common.collect.Maps;
import com.mojang.authlib.Agent;
import com.mojang.authlib.GameProfile;
import com.mojang.authlib.GameProfileRepository;
import com.mojang.authlib.ProfileLookupCallback;
import com.mojang.authlib.minecraft.MinecraftSessionService;
import com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService;
public class GameProfileFetcher {
private static MinecraftSessionService sessionService;
private static GameProfileRepository profileRepo;
// there could be contention if thread pool has more than one thread
private static final ExecutorService THREAD_POOL = new ThreadPoolExecutor(0, 1, 1L, TimeUnit.MINUTES, new LinkedBlockingQueue<Runnable>());
private static final Map<String, GameProfileFetcher> fetchersByName = Maps.<String, GameProfileFetcher>newHashMap();
private static final Map<UUID, GameProfileFetcher> fetchersById = Maps.<UUID, GameProfileFetcher>newHashMap();
@Nullable
private GameProfile profile;
public static void init(File dataDir) {
YggdrasilAuthenticationService auth = new YggdrasilAuthenticationService(Proxy.NO_PROXY, UUID.randomUUID().toString());
sessionService = auth.createMinecraftSessionService();
profileRepo = auth.createProfileRepository();
}
private GameProfileFetcher(GameProfile profileIn) {
dispatchFetchProfile(profileIn);
}
public static GameProfileFetcher fetchProfile(GameProfile profile) {
if (profile.getId() != null && fetchersById.containsKey(profile.getId())) {
// if the profile specifies an ID, ensure that the fetcher with the correct ID returns, as it will reject a profile with the wrong ID
return fetchersById.get(profile.getId());
} else if (fetchersByName.containsKey(profile.getName())) {
return fetchersByName.get(profile.getName());
} else {
GameProfileFetcher fetcher = new GameProfileFetcher(profile);
fetchersByName.put(profile.getName(), fetcher);
if (profile.getId() != null) {
fetchersById.put(profile.getId(), fetcher);
}
return fetcher;
}
}
@Nullable
public synchronized GameProfile getGameProfile() {
return profile;
}
private void dispatchFetchProfile(GameProfile profileIn) {
THREAD_POOL.submit(new Runnable() {
public void run() {
class LocalCallback implements ProfileLookupCallback {
public GameProfile fetched;
public void onProfileLookupSucceeded(GameProfile success) {
fetched = success;
}
public void onProfileLookupFailed(GameProfile failed, Exception exception) {
fetched = null;
}
};
LocalCallback callback = new LocalCallback();
profileRepo.findProfilesByNames(new String[] {profileIn.getName()}, Agent.MINECRAFT, callback);
GameProfile fetched = sessionService.fillProfileProperties(callback.fetched, false);
if (profileIn.getId() == null || fetched.getId().equals(profileIn.getId())) {
synchronized (this) {
profile = fetched;
}
}
}
});
}
}
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