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path: root/modules/services/akkoma/default.nix
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{ config, lib, pkgs, ... }:

with lib;
let
  cfg = config.modules.services.akkoma;

  poorObfuscation = y: x: "${x}@${y}";
  federation-blocklist = lib.importTOML ./blocklist.toml;

  inherit (lib.my) wrapFile;
in
{
  options.modules.services.akkoma = {
    enable = mkEnableOption "Akkoma instance";
    domain = mkOption { type = types.str; };
    realHost = mkOption { type = types.str; };
    instanceName = mkOption { type = types.str; default = "Akkoma on ${cfg.domain}"; };
  };

  config = mkIf cfg.enable {
    modules.services.postgresql.enable = true;

    services.akkoma = {
      enable = true;
      initDb.enable = true;

      extraStatic = {
        "static/terms-of-service.html" = wrapFile "terms-of-service.html" ./terms-of-service.html;
        "static/logo.svg" = wrapFile "logo.svg" ./logo.svg;
        "static/logo.png" = wrapFile "logo.png" ./logo.png;
        "static/logo-512.png" = wrapFile "logo-512.png" ./favicon-withbg.png; # Intentional, for PWA favicon.
        "static/icon.png" = wrapFile "icon.png" ./favicon.png;
        "favicon.png" = wrapFile "favicon.png" ./favicon-withbg.png;
      };
      config =
        let inherit ((pkgs.formats.elixirConf { }).lib) mkRaw mkMap;
        in {
          ":pleroma"."Pleroma.Web.Endpoint".url.host = cfg.realHost;
          ":pleroma"."Pleroma.Web.WebFinger".domain = cfg.domain;
          ":pleroma".":media_proxy".enabled = false;
          ":pleroma".":instance" = {
            name = cfg.instanceName;

            description = "Private akkoma instance";
            email = poorObfuscation cfg.domain "postmaster";
            notify_email = poorObfuscation cfg.domain "postmaster";

            registrations_open = false;
            invites_enabled = true;

            limit = 5000;
          };
          ":pleroma".":frontend_configurations" = {
            pleroma_fe = mkMap {
              logo = "/static/logo.png";
            };
          };
          ":pleroma".":mrf" = {
            policies = map mkRaw [ "Pleroma.Web.ActivityPub.MRF.SimplePolicy" ];
          };
          ":pleroma".":mrf_simple" = {
            followers_only = mkMap federation-blocklist.followers_only;
            media_nsfw = mkMap federation-blocklist.media_nsfw;
            reject = mkMap federation-blocklist.reject;
          };
          ":pleroma"."Pleroma.Captcha" = {
            enabled = true;
            method = mkRaw "Pleroma.Captcha.Kocaptcha";
          };
        };

      nginx = {
        forceSSL = true;
        useACMEHost = cfg.domain;

        locations."~ \\.(js|css|woff|woff2?|png|jpe?g|svg)$" = {
          extraConfig = ''
            add_header Cache-Control "public, max-age=14400, must-revalidate";
          '';

          proxyPass = "http://unix:${config.services.akkoma.config.":pleroma"."Pleroma.Web.Endpoint".http.ip}";
          proxyWebsockets = true;
          recommendedProxySettings = true;
        };
      };
    };

      services.nginx.virtualHosts.${cfg.domain} = {
        forceSSL = true;
        useACMEHost = cfg.domain;

        locations."/.well-known/host-meta" = {
          extraConfig = ''
            return 301 https://${cfg.realHost}$request_uri;
          '';
        };
      };
    };
  }