From: shamoon <4887959+shamoon@users.noreply.github.com>
Date: Fri, 29 Dec 2023 08:51:57 +0000 (-0800)
Subject: Fix URL validation of empty string
X-Git-Tag: v2.3.0~1^2~32
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=05e294fc81f354be9796608408a7ffc5f652fc16;p=thirdparty%2Fpaperless-ngx.git

Fix URL validation of empty string
---

diff --git a/src/documents/serialisers.py b/src/documents/serialisers.py
index 62e7d75b4c..b6be62d9b8 100644
--- a/src/documents/serialisers.py
+++ b/src/documents/serialisers.py
@@ -494,7 +494,11 @@ class CustomFieldInstanceSerializer(serializers.ModelSerializer):
         """
         data = super().validate(data)
         field: CustomField = data["field"]
-        if field.data_type == CustomField.FieldDataType.URL:
+        if (
+            field.data_type == CustomField.FieldDataType.URL
+            and data["value"] is not None
+            and len(data["value"]) > 0
+        ):
             URLValidator()(data["value"])
         return data