Move apple-developer-merchantid-domain-association into setting (#3611)

src/pretix/base/views/applepay.py

@@ -0,0 +1,53 @@
+#
+# This file is part of pretix (Community Edition).
+#
+# Copyright (C) 2014-2020 Raphael Michel and contributors
+# Copyright (C) 2020-2021 rami.io GmbH and contributors
+#
+# This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
+# Public License as published by the Free Software Foundation in version 3 of the License.
+#
+# ADDITIONAL TERMS APPLY: Pursuant to Section 7 of the GNU Affero General Public License, additional terms are
+# applicable granting you additional permissions and placing additional restrictions on your usage of this software.
+# Please refer to the pretix LICENSE file to obtain the full terms applicable to this work. If you did not receive
+# this file, see <https://pretix.eu/about/en/license>.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Affero General Public License along with this program.  If not, see
+# <https://www.gnu.org/licenses/>.
+#
+from django.http import Http404, HttpResponse
+
+from pretix.base.settings import GlobalSettingsObject
+
+
+def association(request, *args, **kwargs):
+    # This is a crutch to enable event- or organizer-level overrides for the default
+    # ApplePay MerchantID domain validation/association file.
+    # We do not provide any FormFields for this on purpose!
+    #
+    # Please refer to https://github.com/pretix/pretix/pull/3611 to get updates on
+    # the upcoming and official way to temporarily override the association-file,
+    # which will make sure that there are no conflicting requests at the same time.
+    #
+    # Should you opt to manually inject a different association-file into an organizer
+    # or event settings store, we do recommend to remove the setting once you're
+    # done and the domain has been validated.
+    #
+    # If you do not need Stripe's default domain association credential and would
+    # rather serve a different default credential, you can do so through the
+    # Global Settings editor.
+    if hasattr(request, 'event'):
+        settings = request.event.settings
+    elif hasattr(request, 'organizer'):
+        settings = request.organizer.settings
+    else:
+        settings = GlobalSettingsObject().settings
+
+    if not settings.get('apple_domain_association', None):
+        raise Http404('')
+    else:
+        return HttpResponse(settings.get('apple_domain_association'))