nixos-config/mastus/radicale.nix

{ config, pkgs, ... }:
let
  radicalePort = 8002;
in
{
  services.radicale = {
    enable = true;
    config = ''
      [server]
      hosts = 127.0.0.1:${toString radicalePort}
      ssl = false
      dns_lookup = false

      [storage]
      filesystem_folder = /var/lib/radicale/storage

      [auth]
      type = IMAP

      [rights]
      type = owner_only
    '';
  };

  security.acme.certs."gebner.org".extraDomains."radicale.gebner.org" = null;

  services.nginx.httpConfig = ''
    server {
      listen [::]:80;
      listen 80;
      server_name radicale.gebner.org;

      location /.well-known/acme-challenge {
        default_type text/plain;
        alias /var/lib/acme/www/.well-known/acme-challenge;
      }

      location / {
        rewrite ^(.*) https://$host$1 permanent;
      }
    }

    server {
      listen [::]:443;
      listen 443;
      server_name radicale.gebner.org;

      ssl on;
      ssl_certificate_key /var/lib/acme/gebner.org/key.pem;
      ssl_certificate /var/lib/acme/gebner.org/fullchain.pem;
      ssl_dhparam /etc/nginx/dhparam.pem;
      ssl_protocols TLSv1.1 TLSv1.2;
      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:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!3DES:!MD5:!PSK';
      ssl_prefer_server_ciphers on;
      add_header Strict-Transport-Security max-age=15768000;
      ssl_stapling on;
      ssl_stapling_verify on;

      location / {
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-Host $host;
        proxy_set_header X-Forwarded-Server $host;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $http_host;
        proxy_redirect off;
        proxy_buffering off;
        proxy_connect_timeout       900;
        proxy_send_timeout          900;
        proxy_read_timeout          900;
        send_timeout                900;
        proxy_pass http://radicale;
        client_max_body_size 30M;
        break;
      }
    }

    upstream radicale {
      server 127.0.0.1:${toString radicalePort};
    }
  '';
}