HyperKitty: disable local signup

Spamming reasons, see puiterwijk.

roles/mailman/files/django_fedora.py

@@ -13,3 +13,19 @@ def exclude_useless_errors(record):
             if isinstance(exc_value, excluded_class):
                 return False
     return True
+
+
+# Disable local signup
+
+from allauth.account.adapter import DefaultAccountAdapter
+from allauth.socialaccount.adapter import DefaultSocialAccountAdapter
+
+class NoLocalSignUpAdapter(DefaultAccountAdapter):
+
+    def is_open_for_signup(self, request):
+        return False
+
+class SignUpEnabledSocialAdapter(DefaultSocialAccountAdapter):
+
+    def is_open_for_signup(self, request):
+        return True

roles/mailman/templates/settings.py.j2

@@ -6,8 +6,6 @@ Django settings for HyperKitty + Postorius
 import os
 BASE_DIR = os.path.dirname(os.path.abspath(__file__))
 
-import django_fedora
-
 # SECURITY WARNING: keep the secret key used in production secret!
 SECRET_KEY = '{{ mailman_hyperkitty_cookie_key }}'
 
@@ -241,6 +239,9 @@ ACCOUNT_EMAIL_REQUIRED = True
 ACCOUNT_EMAIL_VERIFICATION = "mandatory"
 ACCOUNT_DEFAULT_HTTP_PROTOCOL = "https"
 ACCOUNT_UNIQUE_EMAIL  = True
+# Disable local signup
+ACCOUNT_ADAPTER = "django_fedora.NoLocalSignUpAdapter"
+SOCIALACCOUNT_ADAPTER = "django_fedora.SignUpEnabledSocialAdapter"
 
 SOCIALACCOUNT_PROVIDERS = {
     'openid': {
@@ -336,6 +337,8 @@ REST_FRAMEWORK = {
 }
 
 
+import django_fedora
+
 # A sample logging configuration. The only tangible logging
 # performed by this configuration is to send an email to
 # the site admins on every HTTP 500 error when DEBUG=False.