fingerprint

src/main/java/stirling/software/SPDF/EE/KeygenLicenseVerifier.java

@@ -12,6 +12,7 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 import com.posthog.java.shaded.org.json.JSONObject;
 
 import lombok.extern.slf4j.Slf4j;
+import stirling.software.SPDF.utils.GeneralUtils;
 
 @Service
 @Slf4j
@@ -32,7 +33,6 @@ public class KeygenLicenseVerifier {
 
             // First, try to validate the license
             JsonNode validationResponse = validateLicense(licenseKey, machineFingerprint);
-            log.info(validationResponse.asText());
             if (validationResponse != null) {
                 boolean isValid = validationResponse.path("meta").path("valid").asBoolean();
                 String licenseId = validationResponse.path("data").path("id").asText();
@@ -185,8 +185,6 @@ public class KeygenLicenseVerifier {
     }
 
     private static String generateMachineFingerprint() {
-        // This is a simplified example. In a real-world scenario, you'd want to generate
+        return GeneralUtils.generateMachineFingerprint();
-        // a more robust and unique fingerprint based on hardware characteristics.
-        return "example-fingerprint";
     }
 }

src/main/java/stirling/software/SPDF/EE/LicenseKeyChecker.java

@@ -34,15 +34,19 @@ public class LicenseKeyChecker {
     }
 
     private void checkLicense() {
-        log.info(applicationProperties.toString());
-        log.info(applicationProperties.getEnterpriseEdition().toString());
         if (!applicationProperties.getEnterpriseEdition().isEnabled()) {
             enterpriseEnbaledResult = false;
         } else {
             enterpriseEnbaledResult =
                     licenseService.verifyLicense(
                             applicationProperties.getEnterpriseEdition().getKey());
+            if (enterpriseEnbaledResult) {
+                log.info("License key is valid.");
+            } else {
+                log.info("License key is invalid.");
+            }
         }
+        
     }
 
     public void updateLicenseKey(String newKey) throws IOException {

src/main/java/stirling/software/SPDF/utils/GeneralUtils.java

@@ -30,6 +30,11 @@ import com.fathzer.soft.javaluator.DoubleEvaluator;
 
 import io.github.pixee.security.HostValidator;
 import io.github.pixee.security.Urls;
+import java.net.InetAddress;
+import java.net.NetworkInterface;
+import java.nio.charset.StandardCharsets;
+import java.security.MessageDigest;
+import java.util.Enumeration;
 
 public class GeneralUtils {
 
@@ -301,4 +306,47 @@ public class GeneralUtils {
         }
         settingsYml.save();
     }
+    
+    public static String generateMachineFingerprint() {
+        try {
+            // Get the MAC address
+            StringBuilder sb = new StringBuilder();
+            InetAddress ip = InetAddress.getLocalHost();
+            NetworkInterface network = NetworkInterface.getByInetAddress(ip);
+
+            if (network == null) {
+                Enumeration<NetworkInterface> networks = NetworkInterface.getNetworkInterfaces();
+                while (networks.hasMoreElements()) {
+                    NetworkInterface net = networks.nextElement();
+                    byte[] mac = net.getHardwareAddress();
+                    if (mac != null) {
+                        for (int i = 0; i < mac.length; i++) {
+                            sb.append(String.format("%02X", mac[i]));
+                        }
+                        break; // Use the first network interface with a MAC address
+                    }
+                }
+            } else {
+                byte[] mac = network.getHardwareAddress();
+                if (mac != null) {
+                    for (int i = 0; i < mac.length; i++) {
+                        sb.append(String.format("%02X", mac[i]));
+                    }
+                }
+            }
+
+            // Hash the MAC address for privacy and consistency
+            MessageDigest md = MessageDigest.getInstance("SHA-256");
+            byte[] hash = md.digest(sb.toString().getBytes(StandardCharsets.UTF_8));
+            StringBuilder fingerprint = new StringBuilder();
+            for (byte b : hash) {
+                fingerprint.append(String.format("%02x", b));
+            }
+
+            return fingerprint.toString();
+
+        } catch (Exception e) {
+        	return "GenericID";
+        }
+    }
 }