Nginx Deal with OPTIONS in HTTP Protocol

Nginx Deal with OPTIONS in HTTP Protocol

The idea is to add the OPTIONS in nginx configuration to deal with that.

location / {
      if ($request_method = OPTIONS ) {
          add_header Content-Length 0;
          add_header Content-Type text/plain;
          add_header OPTIONS, GET, HEAD, POST, PUT, DELETE;
          return 200;
      }
      try_files $uri @python_webapp;
}

if ($request_method = OPTIONS ) {
    add_header 'Access-Control-Allow-Origin' '*' always;
    add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, PATCH, OPTIONS';
    add_header 'Access-Control-Allow-Headers' 'Origin,X-Requested-With,Content-Type,Accept,Authorization';
    add_header 'Access-Control-Max-Age' 1728000;
    add_header 'Content-Type' 'text/plain; charset=utf-8';
    add_header 'Content-Length' 0;
    return 200;
}

Django 1.4 Deal with that
https://django.readthedocs.io/en/1.4.X/ref/contrib/csrf.html
https://github.com/adamchainz/django-cors-headers/tree/3b58d638ef08a644dc8ebfc68a7ffdf09835b839/#configuration



References:
https://stackoverflow.com/questions/33548537/error-when-adding-add-header-to-nginx
https://stackoverflow.com/questions/227939/handling-options-request-in-nginx
https://stackoverflow.com/questions/11926908/how-to-respond-to-an-http-options-request