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642086ff65
This data is necessary to determine whether to offer the root domain in the realm creation form.
41 lines
1.2 KiB
Python
41 lines
1.2 KiB
Python
# -*- coding: utf-8 -*-
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from django.conf import settings
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from django.http import HttpRequest
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from typing import Optional, Text
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from zerver.models import get_realm, Realm
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def _extract_subdomain(request):
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# type: (HttpRequest) -> Text
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domain = request.get_host().lower()
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index = domain.find("." + settings.EXTERNAL_HOST)
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if index == -1:
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return Realm.SUBDOMAIN_FOR_ROOT_DOMAIN
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return domain[0:index]
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def get_subdomain(request):
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# type: (HttpRequest) -> Text
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subdomain = _extract_subdomain(request)
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if subdomain in settings.ROOT_SUBDOMAIN_ALIASES:
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return Realm.SUBDOMAIN_FOR_ROOT_DOMAIN
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return subdomain
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def is_subdomain_root_or_alias(request):
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# type: (HttpRequest) -> bool
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subdomain = _extract_subdomain(request)
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return not subdomain or subdomain in settings.ROOT_SUBDOMAIN_ALIASES
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def check_subdomain(realm_subdomain, user_subdomain):
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# type: (Optional[Text], Text) -> bool
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if realm_subdomain is not None:
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if realm_subdomain != user_subdomain:
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return False
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return True
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def is_root_domain_available():
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# type: () -> bool
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if settings.ROOT_DOMAIN_LANDING_PAGE:
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return False
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return get_realm(Realm.SUBDOMAIN_FOR_ROOT_DOMAIN) is None
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