2.6. HTTP CORS

• CORS in 100 Seconds: https://www.youtube.com/watch?v=4KHiSt0oLJ0

• https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS

2.6.1. OPTIONS and CORS

http_method_names = ['get', 'post', 'options']

def options(self, request, *args, **kwargs):
    response = HttpResponse(status=200)
    response['Access-Control-Allow-Origin'] = '*'
    response['Access-Control-Allow-Methods'] = ', '.join(http_method_names).upper()
    response['Access-Control-Allow-Headers'] = 'Content-Type'
    return response