Fix getAllAuthorities (#2548)

Signed-off-by: Avgustin Marinov <Avgustin.Marinov@bosch.com>

hawkbit-security-core/src/main/java/org/eclipse/hawkbit/im/authentication/SpPermission.java

@@ -163,7 +163,7 @@ public final class SpPermission {
         final Field[] declaredFields = SpPermission.class.getDeclaredFields();
         for (final Field field : declaredFields) {
             if (Modifier.isPublic(field.getModifiers()) && Modifier.isStatic(field.getModifiers()) && Modifier.isFinal(field.getModifiers()) &&
-                    String.class.equals(field.getType())) {
+                    String.class.equals(field.getType()) && !field.getName().endsWith("_HIERARCHY")) {
                 try {
                     final String role = (String) field.get(null);
                     allPermissions.add(role);

hawkbit-security-core/src/test/java/org/eclipse/hawkbit/im/authentication/SpPermissionTest.java

@@ -0,0 +1,34 @@
+/**
+ * Copyright (c) 2025 Contributors to the Eclipse Foundation
+ *
+ * This program and the accompanying materials are made
+ * available under the terms of the Eclipse Public License 2.0
+ * which is available at https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ */
+package org.eclipse.hawkbit.im.authentication;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import java.util.Collection;
+
+import org.junit.jupiter.api.Test;
+
+/**
+ * Test {@link SpPermission}.
+ * <p/>
+ * Feature: Unit Tests - Security<br/>
+ * Story: Permission Test
+ */
+final class SpPermissionTest {
+
+    /**
+     * Double-checks that all permissions doesn't contain any hierarchies.
+     */
+    @Test
+    void allAuthoritiesShouldNotContainHierarchies() {
+        final Collection<String> allAuthorities = SpPermission.getAllAuthorities();
+        assertThat(allAuthorities).isNotEmpty().as("Are not hierarchies").allMatch(permission -> !permission.contains("\n"));
+    }
+}