Merge commit from fork

* fix behaviour

* style fixes

---------

Co-authored-by: Oliver Walters <oliver.henry.walters@gmail.com>

src/backend/InvenTree/users/serializers.py

@@ -238,8 +238,21 @@ class ApiTokenSerializer(InvenTreeModelSerializer):
 
     def validate(self, data):
         """Validate the data for the serializer."""
+        request_user = self.context['request'].user
+        if not request_user:
+            raise serializers.ValidationError(
+                _('User must be authenticated')
+            )  # pragma: no cover
+
         if 'user' not in data:
-            data['user'] = self.context['request'].user
+            data['user'] = request_user
+
+        # Only superusers can create tokens for other users
+        if data['user'] != request_user and not request_user.is_superuser:
+            raise serializers.ValidationError(
+                _('Only a superuser can create a token for another user')
+            )
+
         return super().validate(data)
 
     user_detail = UserSerializer(source='user', read_only=True)

src/backend/InvenTree/users/test_api.py

@@ -259,6 +259,8 @@ class SuperuserAPITests(InvenTreeAPITestCase):
 class UserTokenTests(InvenTreeAPITestCase):
     """Tests for user token functionality."""
 
+    fixtures = ['users']
+
     def test_token_generation(self):
         """Test user token generation."""
         url = reverse('api-token')
@@ -397,6 +399,28 @@ class UserTokenTests(InvenTreeAPITestCase):
         self.client.logout()
         self.get(reverse('api-token'), expected_code=401)
 
+    def test_token_security(self):
+        """Test that token generation is only available to users with the correct permissions."""
+        url = reverse('api-token-list')
+
+        # Try to generate a token for a different user (should fail)
+        response = self.post(url, data={'name': 'test', 'user': 1}, expected_code=400)
+        self.assertIn(
+            'Only a superuser can create a token for another user', str(response.data)
+        )
+
+        # there should be no tokens created
+        self.assertEqual(ApiToken.objects.count(), 0)
+
+        # now with superuser permissions
+        self.user.is_superuser = True
+        self.user.save()
+
+        response = self.post(url, data={'name': 'test', 'user': 1}, expected_code=201)
+        self.assertIn('token', response.data)
+
+        self.assertEqual(ApiToken.objects.count(), 1)
+
 
 class GroupDetialTests(InvenTreeAPITestCase):
     """Tests for the GroupDetail API endpoint."""