domains.py 文件源码

def process_request(self, request):
        host = self.get_host(request)
        domain, port = split_domain_port(host)
        if not domain:
            raise DisallowedHost(f'Invalid HTTP_HOST header: {host}.')

        request.host = domain
        request.port = int(port) if port else None

        event_slug = resolve(request.path).kwargs.get('event')
        if event_slug:
            event = get_object_or_404(Event, slug__iexact=event_slug)
            request.event = event
            if event.settings.custom_domain:
                custom_domain = urlparse(event.settings.custom_domain)
                event_domain, event_port = split_domain_port(custom_domain.netloc)
                if event_domain == domain and event_port == port:
                    request.uses_custom_domain = True
                    return
                else:
                    request.needs_redirect = True
                    return redirect(urljoin(event.settings.custom_domain, request.path))

        default_domain, default_port = split_domain_port(settings.SITE_NETLOC)
        if domain == default_domain:
            return

        if settings.DEBUG or domain in LOCAL_HOST_NAMES:
            return

        raise DisallowedHost(f'Unknown host: {host}')