server.nix/caddy.nix

{ config
, pkgs
, inputs
, ...
}: {
  systemd.services.caddy = {
    serviceConfig = {
      # Required to use ports < 1024
      AmbientCapabilities = "cap_net_bind_service";
      CapabilityBoundingSet = "cap_net_bind_service";
      EnvironmentFile = "/etc/secrets/caddy.env";
      TimeoutStartSec = "5m";
    };
  };

  services.caddy = {
    enable = true;
    email = "ssl@catnip.ee";

    package = pkgs.caddy.withPlugins {
      # https://github.com/NixOS/nixpkgs/pull/358586#issuecomment-2564016652
      plugins = [ "github.com/caddy-dns/cloudflare@v0.2.1" ];
      hash = "sha256-saKJatiBZ4775IV2C5JLOmZ4BwHKFtRZan94aS5pO90=";
    };

    virtualHosts = {
      "kaya.ee".extraConfig = ''
        tls {
          dns cloudflare {env.CLOUDFLARE_API_TOKEN}
          resolvers 1.1.1.1
        }

        root * ${inputs.kaya-website}
        file_server browse {
          hide .git
        }
      '';
      "http://syncthing.internal".extraConfig = ''
        @local remote_ip private_ranges 100.64.0.0/10
        reverse_proxy @local http://${config.services.syncthing.guiAddress}
      '';
      "http://files.internal".extraConfig = ''
        @local remote_ip private_ranges 100.64.0.0/10
        root * /mnt/media
        file_server @local browse {
          hide .Trash-1000
        }
      '';
      "files.catnip.ee".extraConfig = ''
        tls {
          dns cloudflare {env.CLOUDFLARE_API_TOKEN}
          resolvers 1.1.1.1
        }

        basic_auth {
         mrow {env.FILES_PASSWORD_HASH}
        }

        root * /mnt/media
        file_server browse {
          hide .Trash-1000
        }
      '';
      "catnip.ee".extraConfig = ''
        tls {
          dns cloudflare {env.CLOUDFLARE_API_TOKEN}
          resolvers 1.1.1.1
        }

        root * ${inputs.catnip-website}
        file_server browse {
          hide .git
        }

        handle /.well-known/matrix/client {
          header Content-Type application/json
          header Access-Control-Allow-Origin *
          respond `{"m.homeserver":{"base_url":"https://matrix.catnip.ee/"}}`
        }
        handle /.well-known/matrix/server {
          header Content-Type application/json
          header Access-Control-Allow-Origin *
          respond `{"m.server": "matrix.catnip.ee:443"}`
        }
      '';
      "www.catnip.ee".extraConfig = ''
        tls {
          dns cloudflare {env.CLOUDFLARE_API_TOKEN}
          resolvers 1.1.1.1
        }

        redir https://catnip.ee{uri} permanent
      '';
      ":80".extraConfig = ''
        respond awawaw
      '';
    };
  };
}