Implement LDAP authentication

api/tests/users/test_ldap.py

@@ -0,0 +1,22 @@
+from django.contrib.auth import get_backends
+
+from django_auth_ldap import backend
+
+
+def test_ldap_user_creation_also_creates_actor(settings, factories, mocker):
+    actor = factories["federation.Actor"]()
+    mocker.patch("funkwhale_api.users.models.create_actor", return_value=actor)
+    mocker.patch(
+        "django_auth_ldap.backend.LDAPBackend.ldap_to_django_username",
+        return_value="hello",
+    )
+    settings.AUTHENTICATION_BACKENDS += ("django_auth_ldap.backend.LDAPBackend",)
+    # django-auth-ldap offers a populate_user signal we can use
+    # to create our user actor if it does not exists
+    ldap_backend = get_backends()[-1]
+    ldap_user = backend._LDAPUser(ldap_backend, username="hello")
+    ldap_user._user_attrs = {"hello": "world"}
+    ldap_user._get_or_create_user()
+    ldap_user._user.refresh_from_db()
+
+    assert ldap_user._user.actor == actor