Mod should now be compatible with carpetmod /player cmd. Thanks for help, @sug0

build.gradle

@@ -3,12 +3,6 @@ plugins {
 	id 'maven-publish'
 }
 
-repositories {
-	// Carpet mod
-	maven {
-		url 'https://masa.dy.fi/maven'
-	}
-}
 
 sourceCompatibility = JavaVersion.VERSION_1_8
 targetCompatibility = JavaVersion.VERSION_1_8
@@ -42,9 +36,6 @@ dependencies {
 
 	// JNA lib
 	include 'net.java.dev.jna:jna:5.5.0'
-
-	// carpetMod
-	modImplementation "carpet:fabric-carpet:${project.minecraft_version}-${project.carpet_core_version}"
 }
 
 processResources {

gradle.properties

@@ -10,9 +10,6 @@ loader_version=0.8.2+build.194
 fabric_version=0.5.10+build.320-1.16
 
 # Mod Properties
-	mod_version = 1.4.0
+	mod_version = 1.4.1
 	maven_group = org.samo_lego
 	archives_base_name = simpleauth
-
-# Dependencies
-carpet_core_version = 1.3.19+v200415

src/main/java/org/samo_lego/simpleauth/SimpleAuth.java

@@ -32,9 +32,6 @@ public class SimpleAuth implements DedicatedServerModInitializer {
 
     public static SimpleAuthDatabase db = new SimpleAuthDatabase();
 
-    // If server is running carpetmod
-    public static boolean isUsingCarpet;
-
     // HashMap of players that are not authenticated
 	// Rather than storing all the authenticated players, we just store ones that are not authenticated
 	// It stores some data as well, e.g. login tries and user password
@@ -42,7 +39,8 @@ public class SimpleAuth implements DedicatedServerModInitializer {
 
 	// Boolean for easier checking if player is authenticated
 	public static boolean isAuthenticated(ServerPlayerEntity player) {
-		return !deauthenticatedUsers.containsKey(player.getUuidAsString());
+		String uuid = player.getUuidAsString();
+		return !deauthenticatedUsers.containsKey(uuid) || deauthenticatedUsers.get(uuid).wasAuthenticated;
 	}
 
 	// Getting game directory
@@ -66,9 +64,6 @@ public class SimpleAuth implements DedicatedServerModInitializer {
 		// Connecting to db
 		db.openConnection();
 
-		// Checking if carpetmod is loaded
-		isUsingCarpet = FabricLoader.getInstance().isModLoaded("carpet");
-
 
 		// Registering the commands
 		CommandRegistry.INSTANCE.register(false, dispatcher -> {
@@ -122,7 +117,7 @@ public class SimpleAuth implements DedicatedServerModInitializer {
 
 	// De-authenticates player
 	public static void deauthenticatePlayer(ServerPlayerEntity player) {
-		if(db.isClosed() || isPlayerFake(player))
+		if(db.isClosed())
 			return;
 		// Marking player as not authenticated, (re)setting login tries to zero
 		String uuid = player.getUuidAsString();
@@ -146,6 +141,6 @@ public class SimpleAuth implements DedicatedServerModInitializer {
 	// Checking is player is a fake (carpetmod) player
 	public static boolean isPlayerFake(PlayerEntity player) {
 		// We ask CarpetHelper class since it has the imports needed
-		return isUsingCarpet ? isPlayerCarpetFake(player) : false;
+		return FabricLoader.getInstance().isModLoaded("carpet") && isPlayerCarpetFake(player);
 	}
 }

src/main/java/org/samo_lego/simpleauth/event/AuthEventHandler.java

@@ -72,14 +72,18 @@ public class AuthEventHandler {
 
     // Player joining the server
     public static void onPlayerJoin(ServerPlayerEntity player) {
+        // If player is fake auth is not needed
+        if(isPlayerFake(player))
+            return;
         // Checking if session is still valid
         String uuid = player.getUuidAsString();
         PlayerCache playerCache = deauthenticatedUsers.getOrDefault(uuid, null);
+
         if (
             playerCache != null &&
-            playerCache.lastIp.equals(player.getIp()) &&
             playerCache.wasAuthenticated &&
-            playerCache.validUntil >= System.currentTimeMillis()
+            playerCache.validUntil >= System.currentTimeMillis() &&
+            playerCache.lastIp.equals(player.getIp())
         ) {
             deauthenticatedUsers.remove(uuid); // Makes player authenticated
             return;