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70 lines
3.3 KiB
Python
70 lines
3.3 KiB
Python
from urllib.parse import urljoin
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from django.core.exceptions import PermissionDenied
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from django.core.urlresolvers import resolve
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from django.http import Http404
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from django.shortcuts import redirect
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from django.utils.translation import ugettext_lazy as _
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from pretix.base.models import Event, EventPermission, Organizer
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from pretix.multidomain.urlreverse import get_domain
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class EventMiddleware:
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def process_request(self, request):
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url = resolve(request.path_info)
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url_namespace = url.namespace
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if url_namespace != 'presale':
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return
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if 'organizer' in url.kwargs or 'event' in url.kwargs:
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try:
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if hasattr(request, 'organizer'):
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# We are on an organizer's custom domain
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if 'organizer' in url.kwargs and url.kwargs['organizer']:
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if url.kwargs['organizer'] != request.organizer.slug:
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raise Http404(_('The selected event was not found.'))
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path = "/" + request.get_full_path().split("/", 2)[-1]
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return redirect(path)
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request.event = Event.objects.filter(
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slug=url.kwargs['event'],
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organizer=request.organizer,
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).select_related('organizer')[0]
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request.organizer = request.event.organizer
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else:
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# We are on our main domain
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if 'event' in url.kwargs and 'organizer' in url.kwargs:
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request.event = Event.objects.filter(
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slug=url.kwargs['event'],
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organizer__slug=url.kwargs['organizer']
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).select_related('organizer')[0]
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request.organizer = request.event.organizer
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elif 'organizer' in url.kwargs:
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request.organizer = Organizer.objects.filter(
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slug=url.kwargs['organizer']
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)[0]
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else:
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raise Http404()
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# If this organizer has a custom domain, send the user there
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domain = get_domain(request.organizer)
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if domain:
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if request.port and request.port not in (80, 443):
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domain = '%s:%d' % (domain, request.port)
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path = request.get_full_path().split("/", 2)[-1]
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return redirect(urljoin('%s://%s' % (request.scheme, domain), path))
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if hasattr(request, 'event') and not request.event.live:
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if not request.user.is_authenticated() or not EventPermission.objects.filter(
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event=request.event, user=request.user).exists():
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raise PermissionDenied(_('The selected ticket shop is currently not available.'))
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except IndexError:
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raise Http404(_('The selected event or organizer was not found.'))
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if '_' not in request.session:
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# We need to create session even if we do not yet store something there, because we need the session
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# key for e.g. saving the user's cart
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request.session['_'] = '_'
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