- Added Sufficient Permission check

core/src/main/java/com/volmit/iris/core/safeguard/ServerBootSFG.java

@@ -19,6 +19,7 @@ public class ServerBootSFG {
     public static final Map<String, Boolean> incompatibilities = new HashMap<>();
     public static boolean isJDK17 = true;
     public static boolean isJRE = false;
+    public static boolean hasPrivileges = false;
     public static boolean unsuportedversion = false;
     protected static boolean safeguardPassed;
     public static boolean passedserversoftware = true;
@@ -82,6 +83,11 @@ public class ServerBootSFG {
             joiner.add("Unsupported JDK");
             severityMedium++;
         }
+        if (!hasPrivileges()){
+            hasPrivileges = true;
+            joiner.add("Has insufficient Privileges");
+            severityHigh++;
+        }
 
         allIncompatibilities = joiner.toString();
 
@@ -122,6 +128,24 @@ public class ServerBootSFG {
         return path != null && checkJavac(path + File.separator + "bin");
     }
 
+    public static boolean hasPrivileges() {
+        File pv = new File(Bukkit.getWorldContainer() + "iristest.json");
+        if (pv.exists()){
+            pv.delete();
+        }
+        try {
+            if (pv.createNewFile()){
+                if (pv.canWrite() && pv.canRead()){
+                    pv.delete();
+                    return true;
+                }
+            }
+        } catch (Exception e){
+            return false;
+        }
+        return false;
+    }
+
     private static boolean checkJavac(String path) {
         return !path.isEmpty() && (new File(path, "javac").exists() || new File(path, "javac.exe").exists());
     }

core/src/main/java/com/volmit/iris/core/safeguard/UtilsSFG.java

@@ -43,6 +43,10 @@ public class UtilsSFG {
                 Iris.safeguard(C.RED + "Unsupported Server Software");
                 Iris.safeguard(C.RED + "- Please consider using Paper or Purpur instead.");
             }
+            if (!ServerBootSFG.hasPrivileges) {
+                Iris.safeguard(C.RED + "Insufficient Privileges");
+                Iris.safeguard(C.RED + "- The server has insufficient Privileges to run iris. Please contact support.");
+            }
             if (!ServerBootSFG.isJDK17) {
                 Iris.safeguard(C.YELLOW + "Unsupported java version");
                 Iris.safeguard(C.YELLOW + "- Please consider using JDK 17 Instead of JDK " + Iris.getJavaVersion());

core/src/main/java/com/volmit/iris/util/mantle/TectonicPlate.java

@@ -83,7 +83,7 @@ public class TectonicPlate {
     public static TectonicPlate read(int worldHeight, File file) throws IOException, ClassNotFoundException {
         FileInputStream fin = new FileInputStream(file);
         DataInputStream din;
-        if (file.getName().endsWith("ttp")) {
+        if (file.getName().endsWith("ttp.lz4")) {
             GZIPInputStream gzi = new GZIPInputStream(fin);
             din = new DataInputStream(gzi);
         } else {
@@ -174,7 +174,7 @@ public class TectonicPlate {
         PrecisionStopwatch p = PrecisionStopwatch.start();
         FileOutputStream fos = new FileOutputStream(file);
         DataOutputStream dos;
-        if (file.getName().endsWith("ttp")) {
+        if (file.getName().endsWith("ttp.lz4")) {
             GZIPOutputStream gzo = new GZIPOutputStream(fos);
             dos = new DataOutputStream(gzo);
         } else {