Wide-open CORS config for nginx

cors-nginx.conf

server {
  listen 80;
  server_name domain.com;
  root /vagrant/gift_portal/public;

  access_log  /var/log/nginx/localhost.access.log;
  error_log  /var/log/nginx/gift.error.log;

  location / {


  if ($request_method = 'OPTIONS') {

        add_header 'Access-Control-Allow-Origin' '*';

        #
        # Om nom nom cookies
        #

        add_header 'Access-Control-Allow-Credentials' 'true';
        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';

        #
        # Custom headers and headers various browsers *should* be OK with but aren't
        #

        add_header 'Access-Control-Allow-Headers' 'DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';

        #
        # Tell client that this pre-flight info is valid for 20 days
        #

        add_header 'Access-Control-Max-Age' 1728000;
        add_header 'Content-Type' 'text/plain charset=UTF-8';
        add_header 'Content-Length' 0;

        return 204;
     }

    index index.php index.html index.htm;
    try_files $uri $uri/ @handler;
  }

  location @handler {
    rewrite / /index.php;
  }

  location ~ \.php$ {
    add_header 'Access-Control-Allow-Origin' '*';
    add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';

    fastcgi_pass   127.0.0.1:9000;
    fastcgi_index  index.php;
    fastcgi_param  SCRIPT_FILENAME $document_root$fastcgi_script_name;
#fastcgi_param HTTP_HOST $host; # add this if you have problem with 301 error
    include        fastcgi_params;
  }
}