forked from CGM_Public/pretix_original
54 lines
2.4 KiB
Python
54 lines
2.4 KiB
Python
#
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# This file is part of pretix (Community Edition).
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#
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# Copyright (C) 2014-2020 Raphael Michel and contributors
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# Copyright (C) 2020-2021 rami.io GmbH and contributors
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#
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# This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
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# Public License as published by the Free Software Foundation in version 3 of the License.
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#
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# ADDITIONAL TERMS APPLY: Pursuant to Section 7 of the GNU Affero General Public License, additional terms are
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# applicable granting you additional permissions and placing additional restrictions on your usage of this software.
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# Please refer to the pretix LICENSE file to obtain the full terms applicable to this work. If you did not receive
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# this file, see <https://pretix.eu/about/en/license>.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Affero General Public License along with this program. If not, see
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# <https://www.gnu.org/licenses/>.
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#
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from django.http import Http404, HttpRequest, HttpResponse
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from django.shortcuts import get_object_or_404
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from django.utils.functional import cached_property
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from django.views.generic import TemplateView
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from pretix.base.models import CachedFile
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from pretix.helpers.http import ChunkBasedFileResponse
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class DownloadView(TemplateView):
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template_name = "pretixbase/cachedfiles/pending.html"
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@cached_property
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def object(self) -> CachedFile:
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try:
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o = get_object_or_404(CachedFile, id=self.kwargs['id'], web_download=True)
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if o.session_key:
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if o.session_key != self.request.session.session_key:
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raise Http404()
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return o
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except ValueError: # Invalid URLs
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raise Http404()
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def get(self, request: HttpRequest, *args, **kwargs) -> HttpResponse:
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if 'ajax' in request.GET:
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return HttpResponse('1' if self.object.file else '0')
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elif self.object.file:
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resp = ChunkBasedFileResponse(self.object.file.file, content_type=self.object.type)
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resp['Content-Disposition'] = 'attachment; filename="{}"'.format(self.object.filename)
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return resp
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else:
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return super().get(request, *args, **kwargs)
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