env:
  LETSENCRYPT_DIR: "/shared/letsencrypt"

run:
  - exec:
     cmd:
       - cd /root && git clone https://github.com/Neilpang/le.git
       - touch /var/spool/cron/crontabs/root
       - install -d -m 0755 -g root -o root $LETSENCRYPT_DIR
       - cd /root/le && LE_WORKING_DIR="${LETSENCRYPT_DIR}" ./le.sh install

  - file:
     path: /etc/runit/1.d/letsencrypt
     chmod: "+x"
     contents: |
        #!/bin/bash
        set -e
        LE_WORKING_DIR="$$ENV_LETSENCRYPT_DIR" $$ENV_LETSENCRYPT_DIR/le.sh issue no $$ENV_DISCOURSE_HOSTNAME no 4096
        LE_WORKING_DIR="$$ENV_LETSENCRYPT_DIR" $$ENV_LETSENCRYPT_DIR/le.sh installcert $$ENV_DISCOURSE_HOSTNAME /shared/ssl/$$ENV_DISCOURSE_HOSTNAME.cer /shared/ssl/$$ENV_DISCOURSE_HOSTNAME.key no "sv reload nginx"
        # After the initial install, switch to Webroot plugin
        LE_WORKING_DIR="$$ENV_LETSENCRYPT_DIR" $$ENV_LETSENCRYPT_DIR/le.sh _setopt $$ENV_LETSENCRYPT_DIR/$$ENV_DISCOURSE_HOSTNAME/$$ENV_DISCOURSE_HOSTNAME.conf "Le_Webroot" "=" "/var/www/discourse/public"

  - exec:
     cmd:
       # Generate strong Diffie-Hellman parameters
       - "mkdir -p /shared/ssl/"
       - "[ -e /shared/ssl/dhparams.pem ] || openssl dhparam -out /shared/ssl/dhparams.pem 2048"

  - replace:
     filename: "/etc/nginx/conf.d/discourse.conf"
     from: /server.+{/
     to: |
       server {
         listen 80;
         rewrite ^ https://$$ENV_DISCOURSE_HOSTNAME$request_uri? permanent;
       }
       server {
  - replace:
     filename: "/etc/nginx/conf.d/discourse.conf"
     from: /listen 80;\s+gzip on;/m
     to: |
       listen 443 ssl http2;
       ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
       # courtesy of https://wiki.mozilla.org/Security/Server_Side_TLS#Recommended_configurations
       ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA;
       ssl_prefer_server_ciphers on;

       ssl_certificate /shared/ssl/$$ENV_DISCOURSE_HOSTNAME.cer;
       ssl_certificate_key /shared/ssl/$$ENV_DISCOURSE_HOSTNAME.key;
       ssl_dhparam /shared/ssl/dhparams.pem;

       ssl_session_tickets off;
       ssl_session_timeout 1d;
       ssl_session_cache shared:SSL:1m;

       # remember the certificate for 2 months and automatically connect to HTTPS for this domain
       add_header Strict-Transport-Security 'max-age=5184000';

       gzip on;

       if ($http_host != $$ENV_DISCOURSE_HOSTNAME) {
          rewrite (.*) https://$$ENV_DISCOURSE_HOSTNAME$1 permanent;
       }