def extract_and_validate_upload(cls, upload):
"""Validate and extract manifest from a FileUpload instance.
Can raise ParseError."""
with private_storage.open(upload.path) as file_obj:
# The file will already have been uploaded at this point, so force
# the content type to make the ExtensionValidator happy. We just
# need to validate the contents.
file_obj.content_type = 'application/zip'
manifest_contents = ExtensionValidator(file_obj).validate()
return manifest_contents
def create(self, request, *args, **kwargs):
file_obj = request.FILES.get('file', None)
if not file_obj:
raise exceptions.ParseError(_('Missing file in request.'))
user = request.user if request.user.is_authenticated() else None
# ExtensionValidator will raise ParseError exceptions if appropriate.
ExtensionValidator(file_obj).validate()
upload = FileUpload.from_post(
file_obj, file_obj.name, file_obj.size, user=user)
upload.update(valid=True)
serializer = self.get_serializer(upload)
return Response(serializer.data, status=status.HTTP_202_ACCEPTED)
