Require Connection to Router for Online Content

common/src/main/java/com/ultreon/devices/api/utils/OnlineRequest.java

@@ -1,5 +1,6 @@
 package com.ultreon.devices.api.utils;
 
+import com.ultreon.devices.core.Laptop;
 import com.ultreon.devices.util.StreamUtils;
 import org.apache.http.client.methods.CloseableHttpResponse;
 import org.apache.http.client.methods.HttpGet;
@@ -121,6 +122,10 @@ public void run() {
 
                 while (!requests.isEmpty()) {
                     RequestWrapper wrapper = requests.poll();
+                    if (Laptop.isOffline()) {
+                        wrapper.handler.handle(false, "Disconnected from the internet.");
+                        return;
+                    }
                     try {
                         URL url = new URL(wrapper.url);
                         checkURLForSuspicions(url);

common/src/main/java/com/ultreon/devices/core/Laptop.java

@@ -75,6 +75,8 @@ public class Laptop extends Screen implements System {
     private static Laptop instance;
     private Double dragWindowFromX;
     private Double dragWindowFromY;
+    @Nullable
+    private final LaptopBlockEntity blockEntity;
 
     @PlatformOnly("fabric")
     public static List<Application> getApplicationsForFabric() {
@@ -184,12 +186,27 @@ public boolean add(Window<?> window) {
 
         // World-less flag.
         Laptop.worldLess = worldLess;
+        this.blockEntity = laptop;
     }
 
     public static Laptop getInstance() {
         return instance;
     }
 
+    public static boolean isOffline() {
+        Laptop laptop = instance;
+        if (laptop == null) {
+            return false;
+        }
+
+        LaptopBlockEntity blockEntity = laptop.blockEntity;
+        if (blockEntity == null) {
+             return false;
+        }
+
+        return blockEntity.getConnection() == null;
+    }
+
     public CompoundTag getModSystemTag(Mod mod) {
         return getModSystemTag(mod.getModId());
     }