Crash fixes

gradle.properties

@@ -3,11 +3,11 @@ org.gradle.jvmargs=-Xmx1G
 
 # Fabric properties
 minecraft_version=20w18a
-yarn_mappings=20w18a+build.1
+yarn_mappings=20w18a+build.15
 loader_version=0.8.2+build.194
 
 #Fabric api
-fabric_version=0.7.0+build.330-1.16
+fabric_version=0.10.4+build.340-1.16
 
 # Mod Properties
 	mod_version = 1.4.1

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

@@ -80,8 +80,8 @@ public class AuthEventHandler {
         String uuid = convertUuid(player);
         PlayerCache playerCache = deauthenticatedUsers.getOrDefault(uuid, null);
         
+        if(playerCache != null) {
             if (
-            playerCache != null &&
                 playerCache.wasAuthenticated &&
                 playerCache.validUntil >= System.currentTimeMillis() &&
                 playerCache.lastIp.equals(player.getIp())
@@ -89,6 +89,8 @@ public class AuthEventHandler {
                 deauthenticatedUsers.remove(uuid); // Makes player authenticated
                 return;
             }
+            // Session is invalid
+        }
         else
             deauthenticatePlayer(player);
 

src/main/java/org/samo_lego/simpleauth/utils/UuidConverter.java

@@ -11,7 +11,7 @@ import static org.samo_lego.simpleauth.SimpleAuth.serverProp;
  */
 public class UuidConverter {
 
-    private static final boolean isOnline = (boolean) serverProp.getOrDefault("online-mode", false);
+    private static final boolean isOnline = Boolean.parseBoolean(serverProp.getProperty("online-mode"));
 
     /** Gets player UUID.
      *
@@ -25,7 +25,7 @@ public class UuidConverter {
 
         /* Lower case is used for Player and PlAyEr to get same UUID
             Mimicking Mojang behaviour, where players cannot set their name to
-            ExAmple if example is already taken.*/
+            ExAmple if Example is already taken.*/
         String playername = player.getName().asString().toLowerCase();
         return PlayerEntity.getOfflinePlayerUuid(playername).toString();
     }