nginx.example

server {
	listen       80;
	server_name  io;
	root /Io/static;
	location / {
		try_files $uri $uri/ /index.html =404;
	}

	location /api {
		proxy_pass http://127.0.0.1:1337;
	}

	location /na { 
		proxy_pass http://127.0.0.1:1337;
	}
}
map $request_uri $request_uri_path {
	"~^/(?P<path>[^?]*)(\?.*)?$" $path; 
}
server {
	listen		80;
	server_name	storage.io;
	root /;

	location / {
		set $token $arg_t;
		set $r_uri $request_uri_path;
		auth_request /_check_token;
		auth_request_set $xpath $upstream_http_x_path;
		try_files $xpath =404;
	}

	location /_check_token {
		internal;
		proxy_method		POST;
		proxy_set_header	Content-Type "application/json";
		proxy_set_body		"{\"t\":\"$token\",\"u\":\"$r_uri\"}";
		proxy_pass		"http://127.0.0.1:1337/na/file/nginx";
   	}
}