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pretix_cgo/src/pretix/api/views/upload.py
2023-01-12 16:30:28 +01:00

88 lines
3.7 KiB
Python

#
# This file is part of pretix (Community Edition).
#
# Copyright (C) 2014-2020 Raphael Michel and contributors
# Copyright (C) 2020-2021 rami.io GmbH and contributors
#
# This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
# Public License as published by the Free Software Foundation in version 3 of the License.
#
# ADDITIONAL TERMS APPLY: Pursuant to Section 7 of the GNU Affero General Public License, additional terms are
# applicable granting you additional permissions and placing additional restrictions on your usage of this software.
# Please refer to the pretix LICENSE file to obtain the full terms applicable to this work. If you did not receive
# this file, see <https://pretix.eu/about/en/license>.
#
# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
# details.
#
# You should have received a copy of the GNU Affero General Public License along with this program. If not, see
# <https://www.gnu.org/licenses/>.
#
import datetime
from django.core.exceptions import ValidationError as DjangoValidationError
from django.utils.timezone import now
from oauth2_provider.contrib.rest_framework import OAuth2Authentication
from rest_framework.authentication import SessionAuthentication
from rest_framework.exceptions import ValidationError
from rest_framework.parsers import FileUploadParser
from rest_framework.response import Response
from rest_framework.views import APIView
from pretix.api.auth.device import DeviceTokenAuthentication
from pretix.api.auth.permission import AnyAuthenticatedClientPermission
from pretix.api.auth.token import TeamTokenAuthentication
from pretix.base.models import CachedFile
from pretix.helpers.images import (
IMAGE_TYPES, validate_uploaded_file_for_valid_image,
)
ALLOWED_TYPES = {
'image/gif': {'.gif'},
'image/jpeg': {'.jpg', '.jpeg'},
'image/png': {'.png'},
'application/pdf': {'.pdf'},
}
class UploadView(APIView):
authentication_classes = (
SessionAuthentication, OAuth2Authentication, DeviceTokenAuthentication, TeamTokenAuthentication
)
parser_classes = [FileUploadParser]
permission_classes = [AnyAuthenticatedClientPermission]
def post(self, request):
if 'file' not in request.data:
raise ValidationError('No file has been submitted.')
file_obj = request.data['file']
content_type = file_obj.content_type.split(";")[0] # ignore e.g. "; charset=…"
if content_type not in ALLOWED_TYPES:
raise ValidationError('Content type "{type}" is not allowed'.format(type=content_type))
if not any(file_obj.name.endswith(ext) for ext in ALLOWED_TYPES[content_type]):
raise ValidationError('File name "{name}" has an invalid extension for type "{type}"'.format(
name=file_obj.name,
type=content_type
))
if content_type in IMAGE_TYPES:
try:
validate_uploaded_file_for_valid_image(file_obj)
except DjangoValidationError as e:
raise ValidationError(e.message)
cf = CachedFile.objects.create(
expires=now() + datetime.timedelta(days=1),
date=now(),
web_download=False,
filename=file_obj.name,
type=content_type,
session_key=f'api-upload-{str(type(request.user or request.auth))}-{(request.user or request.auth).pk}'
)
cf.file.save(file_obj.name, file_obj)
cf.save()
return Response({
'id': f'file:{cf.pk}'
}, status=201)