# Directory contact form POST requests must come > 30 sec after form get request.

limit_req_zone $binary_remote_addr zone=contact_form_req:10m rate=2r/m

server {

    listen 80;

    listen 443 ssl;

        include uwsgi_params;

	proxy_set_header  X-Forwarded-Protocol  $scheme;

        uwsgi_pass unix:/tmp/brownhill_django.sock;

    }

        # Prevent Nginx from hanging up on uWSGI, causing "OSError: write error"

        # when a client disconnects before uWSGI has responded. My theory is that by

        # setting Nginx timeouts to 16 seconds and uWSGI harakiri to 15 seconds,

        # uWSGI should always timeout first.

        uwsgi_ignore_client_abort on;

	uwsgi_read_timeout 16s;

        uwsgi_send_timeout 16s;

    location ~ /contact/$ {

        include uwsgi_params;

	proxy_set_header  X-Forwarded-Protocol  $scheme;

        uwsgi_pass unix:/tmp/brownhill_django.sock;

	# Rate limit the directory contact form endpoint to prevent spam. This blocks

        # POST requests that occur immediately after a GET request. Simple, but seems to

        # be effective so far.

	limit_req zone=contact_form_req;

	limit_req_status 429;

    }       

    # March 2019: Redirect to new hall site.