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package kr.syeyoung.dungeonsguide.auth;
import com.google.common.base.Throwables;
import com.google.common.util.concurrent.ThreadFactoryBuilder;
import com.google.gson.JsonObject;
import com.mojang.authlib.exceptions.AuthenticationException;
import kr.syeyoung.dungeonsguide.auth.authprovider.AuthProvider;
import kr.syeyoung.dungeonsguide.auth.authprovider.DgAuth.DgAuth;
import kr.syeyoung.dungeonsguide.auth.authprovider.DgAuth.DgAuthUtil;
import kr.syeyoung.dungeonsguide.mod.chat.ChatTransmitter;
import kr.syeyoung.dungeonsguide.mod.events.impl.AuthChangedEvent;
import kr.syeyoung.dungeonsguide.mod.stomp.StompManager;
import lombok.Setter;
import net.minecraft.client.Minecraft;
import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
import net.minecraftforge.fml.common.gameevent.TickEvent;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import java.io.IOException;
import java.security.KeyPair;
import java.security.NoSuchAlgorithmException;
import java.util.Objects;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.TimeUnit;
public class AuthManager {
Logger logger = LogManager.getLogger("AuthManger");
private static AuthManager instance;
public static AuthManager getInstance() {
if(instance == null) instance = new AuthManager();
return instance;
}
@Setter
private String baseserverurl = "https://dungeons.guide";
private AuthProvider currentProvider;
public String getToken() {
if (currentProvider != null && currentProvider.getToken() != null) {
return currentProvider.getToken();
}
return null;
}
public KeyPair getKeyPair(){
if (currentProvider != null && currentProvider.getToken() != null) {
return currentProvider.getRsaKey();
}
return null;
}
boolean initlock = false;
public void init() {
if (initlock) {
logger.info("Cannot init AuthManger twice");
return;
}
reauth();
initlock = true;
MinecraftForge.EVENT_BUS.register(this);
ThreadFactory namedThreadFactory = new ThreadFactoryBuilder().setNameFormat("DgAuth Pool").build();
final ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(1, namedThreadFactory);
scheduler.scheduleAtFixedRate(() -> {
if (getToken() != null) {
JsonObject obj = DgAuthUtil.getJwtPayload(getToken());
if (!obj.get("uuid").getAsString().replace("-", "").equals(Minecraft.getMinecraft().getSession().getPlayerID())) {
shouldReAuth = true;
}
}
}, 10,2000, TimeUnit.MILLISECONDS);
}
boolean shouldReAuth = true;
int tickCounter;
@SubscribeEvent
public void onTickClientTick(TickEvent.ClientTickEvent event) {
if (event.phase != TickEvent.Phase.START) return;
if (tickCounter % 200 == 0) {
tickCounter = 0;
reauth();
}
tickCounter++;
}
public boolean isPlebUser(){
return Objects.equals(getInstance().getPlanType(), "OPENSOURCE");
}
public String getPlanType(){
if(getToken() == null) return null;
JsonObject jwt = DgAuthUtil.getJwtPayload(getToken());
if(!jwt.has("plan")) return null;
return jwt.get("plan").getAsString();
}
void reauth() {
if (!shouldReAuth) return;
shouldReAuth = false;
currentProvider = null;
try {
currentProvider = new DgAuth(baseserverurl).createAuthProvider();
if (currentProvider.getToken() == null) {
shouldReAuth = true;
currentProvider = null;
ChatTransmitter.addToQueue("§eDungeons Guide §7:: §r§cDG auth failed, trying again in ten seconds", true);
logger.info("DG auth failed, trying again in a second");
} else {
// RE-AUTHed SUCCESSFULLY HOORAY
// for some reason the forge events don't work in pre init, so I call the callback directly
StompManager.getInstance().init();
MinecraftForge.EVENT_BUS.post(new AuthChangedEvent());
}
} catch (NoSuchAlgorithmException | AuthenticationException | IOException e) {
shouldReAuth = true;
currentProvider = null;
ChatTransmitter.addToQueue("§eDungeons Guide §7:: §r§cDG auth failed, trying again in ten seconds", true);
logger.error("Re-auth failed with message {}, trying again in a ten seconds", String.valueOf(Throwables.getRootCause(e)));
}
}
}
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