Validating Upload file in django

Question

Here I,m using Django-REST framework for file upload, I'm not using a model layer in Django. So I am using default_storage for the uploaded file to save. My question here is how would I validate the files. Uploaded file should not exixts 10mb.Thanks in Advance.

class imageapi(APIView):
    def post(self, request):

        if request.method == 'POST' and request.FILES['file']:
            try:

                form = UploadFileForm(request.POST, request.FILES)
                #save_path = os.path.join(settings.MEDIA_ROOT, 'uploads', request.FILES['file'])

                save_path = str(settings.MEDIA_ROOT)+ '/uploads/'+str(request.FILES['file'])
                path = default_storage.save(str(save_path), request.FILES['file'])
                return Response({default_storage.path(path)})
            except Exception as ex:
                return Response({"DATA": str(ex)})

xyres · Accepted Answer · 2018-12-12 13:43:14Z

1

1. The django way:

You can check the size of the file in your form like this: field_name.size. This will return the size in bytes.

2. The server way:

You can configure your frontend server (Nginx, or Apacher, or whatever you're using) not to accept files more than 10 mb. This approach is better and safer.

answered Dec 12, 2018 at 13:43

xyres

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2 Comments

selvakumar Over a year ago

thanks @xyres .. will you share some code in python to validate

xyres Over a year ago

@selvakumar check docs on field validation: docs.djangoproject.com/en/2.1/ref/forms/validation/…

Saad Aleem · Accepted Answer · 2018-12-12 15:24:45Z

0

Multiple answers here on stackoverflow and the official docs suggest handling this on your webserver.

If using nginx, you can limit the filesize by using the client_max_body_size in the http block:

http {
    ...
    client_max_body_size 10M;
}

edited Dec 12, 2018 at 15:24

answered Dec 12, 2018 at 13:48

Saad Aleem

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