Experiment with PGP signed messages

source/net/filebot/License.java

@@ -124,7 +124,7 @@ public class License implements Serializable {
 		return String.format("%s License %s (Valid-Until: %s)", product, id, expires == null ? null : expires.atZone(ZoneOffset.UTC).format(DateTimeFormatter.ISO_LOCAL_DATE));
 	}
 
-	public static final SystemProperty<File> FILE = SystemProperty.of("net.filebot.license", File::new, ApplicationFolder.AppData.resolve("license.txt"));
+	public static final SystemProperty<File> FILE = SystemProperty.of("net.filebot.license", File::new, ApplicationFolder.AppData.resolve(".license"));
 	public static final MemoizedResource<License> INSTANCE = Resource.lazy(() -> new License(FILE.get()));
 
 	public static License configure(File file) throws Exception {

source/net/filebot/LicenseModel.java

@@ -8,26 +8,41 @@ public enum LicenseModel {
 
 	MicrosoftStore {
 
+		@Override
+		public boolean isAppStore() {
+			return true;
+		}
+
 		@Override
 		public void check() throws LicenseError {
 			if (!getAppUserModelID().equals("PointPlanck.FileBot")) {
-				throw new LicenseError("Invalid container state");
+				throw new LicenseError("Microsoft Store: Desktop Bridge not found");
 			}
 		}
 	},
 
 	MacAppStore {
 
+		@Override
+		public boolean isAppStore() {
+			return true;
+		}
+
 		@Override
 		public void check() throws LicenseError {
 			if (File.listRoots()[0].canRead()) {
-				throw new LicenseError("Invalid container state");
+				throw new LicenseError("Mac App Store: App Sandbox not found");
 			}
 		}
 	},
 
 	PGPSignedMessage {
 
+		@Override
+		public boolean isAppStore() {
+			return false;
+		}
+
 		@Override
 		public void check() throws LicenseError {
 			try {
@@ -38,6 +53,8 @@ public enum LicenseModel {
 		}
 	};
 
+	public abstract boolean isAppStore();
+
 	public abstract void check() throws LicenseError;
 
 }

source/net/filebot/Main.java

@@ -114,7 +114,8 @@ public class Main {
 			// CLI mode => run command-line interface and then exit
 			if (args.runCLI()) {
 				// just import and print license when running with --license option
-				if (configureLicense(args)) {
+				if (args.getLicenseFile() != null && !LICENSE.isAppStore()) {
+					configureLicense(args);
 					System.exit(0);
 				}
 
@@ -161,21 +162,13 @@ public class Main {
 		}
 	}
 
-	private static boolean configureLicense(ArgumentBean args) {
-		File file = args.getLicenseFile();
-
-		if (file == null || LICENSE != LicenseModel.PGPSignedMessage) {
-			return false;
-		}
-
+	private static void configureLicense(ArgumentBean args) {
 		try {
-			License license = License.configure(file);
+			License license = License.configure(args.getLicenseFile());
 			log.info(license + " has been activated.");
 		} catch (Throwable e) {
 			log.severe("License Error: " + e.getMessage());
 		}
-
-		return true;
 	}
 
 	private static void onStart(ArgumentBean args) throws Exception {
@@ -186,13 +179,13 @@ public class Main {
 		}
 
 		// import license if launched with license file
-		configureLicense(args);
+		if (args.getLicenseFile() != null && !LICENSE.isAppStore()) {
+			configureLicense(args);
 
-		if (LICENSE == LicenseModel.PGPSignedMessage) {
 			try {
 				LICENSE.check();
 			} catch (Throwable e) {
-				debug.finest(e::toString);
+				log.severe("License Error: " + e.getMessage());
 			}
 		}