def shred(event: Event, fileid: str, confirm_code: str) -> None:
known_shredders = event.get_data_shredders()
try:
cf = CachedFile.objects.get(pk=fileid)
except CachedFile.DoesNotExist:
raise ShredError(
_("The download file could no longer be found on the server, please try to start again."
))
with ZipFile(cf.file.file, 'r') as zipfile:
indexdata = json.loads(zipfile.read('index.json').decode())
if indexdata['organizer'] != event.organizer.slug or indexdata[
'event'] != event.slug:
raise ShredError(_("This file is from a different event."))
if indexdata['confirm_code'] != confirm_code:
raise ShredError(_("The confirm code you entered was incorrect."))
if event.logentry_set.filter(datetime__gte=parse(indexdata['time'])):
raise ShredError(
_("Something happened in your event after the export, please try again."
))
for s in indexdata['shredders']:
shredder = known_shredders.get(s)
if not shredder:
continue
shredder.shred_data()
cf.file.delete(save=False)
cf.delete()
def get_context_data(self, **kwargs):
try:
cf = CachedFile.objects.get(pk=kwargs['file'])
except CachedFile.DoesNotExist:
raise ShredError(
_("The download file could no longer be found on the server, please try to start again."
))
with ZipFile(cf.file.file, 'r') as zipfile:
indexdata = json.loads(zipfile.read('index.json').decode())
if indexdata['organizer'] != kwargs['organizer'] or indexdata[
'event'] != kwargs['event']:
raise ShredError(_("This file is from a different event."))
shredders = []
for s in indexdata['shredders']:
shredder = self.shredders.get(s)
if not shredder:
continue
shredders.append(shredder)
ctx = super().get_context_data(**kwargs)
ctx['shredders'] = self.shredders
ctx['download_on_shred'] = any(shredder.require_download_confirmation
for shredder in shredders)
ctx['file'] = get_object_or_404(CachedFile, pk=kwargs.get("file"))
return ctx
def post(self, request, *args, **kwargs):
constr = shred_constraints(self.request.event)
if constr:
return self.error(ShredError(self.get_error_url()))
if request.event.slug != request.POST.get("slug"):
return self.error(ShredError(_("The slug you entered was not correct.")))
return self.do(self.request.event.id, request.POST.get("file"), request.POST.get("confirm_code"))
def post(self, request, *args, **kwargs):
constr = shred_constraints(self.request.event)
if constr:
return self.error(ShredError(self.get_error_url()))
if not self.request.user.check_password(request.POST.get("password")):
return self.error(
ShredError(
_("The current password you entered was not correct.")))
return self.do(self.request.event.id, request.POST.get("file"),
request.POST.get("confirm_code"))
def post(self, request, *args, **kwargs):
constr = shred_constraints(self.request.event)
if constr:
return self.error(ShredError(self.get_error_url()))
return self.do(self.request.event.id, request.POST.getlist("shredder"),
self.request.session.session_key)