Fix: include subpath in logo url

src/documents/tests/test_views.py

@@ -6,12 +6,14 @@ from django.conf import settings
 from django.contrib.auth.models import Permission
 from django.contrib.auth.models import User
 from django.test import TestCase
+from django.test import override_settings
 from django.utils import timezone
 from rest_framework import status
 
 from documents.models import Document
 from documents.models import ShareLink
 from documents.tests.utils import DirectoriesMixin
+from paperless.models import ApplicationConfiguration
 
 
 class TestViews(DirectoriesMixin, TestCase):
@@ -67,6 +69,26 @@ class TestViews(DirectoriesMixin, TestCase):
                 f"frontend/{language_actual}/main.js",
             )
 
+    @override_settings(BASE_URL="/paperless/")
+    def test_index_app_logo_with_base_url(self):
+        """
+        GIVEN:
+            - Existing config with app_logo specified
+        WHEN:
+            - Index page is loaded
+        THEN:
+            - app_logo is prefixed with BASE_URL
+        """
+        config = ApplicationConfiguration.objects.first()
+        config.app_logo = "/logo/example.jpg"
+        config.save()
+        self.client.force_login(self.user)
+        response = self.client.get("/")
+        self.assertEqual(
+            response.context["APP_LOGO"],
+            f"/paperless{config.app_logo}",
+        )
+
     def test_share_link_views(self):
         """
         GIVEN:

src/paperless/config.py

@@ -113,4 +113,8 @@ class GeneralConfig(BaseConfig):
         app_config = self._get_config_instance()
 
         self.app_title = app_config.app_title or None
-        self.app_logo = app_config.app_logo.url if app_config.app_logo else None
+        self.app_logo = (
+            settings.BASE_URL + app_config.app_logo.url.lstrip("/")
+            if app_config.app_logo
+            else None
+        )