egirls-nixos/misskey-service.nix

{ pkgs, ... }:

let
  nodejs = pkgs.unstable.nodejs_20;
  nodePackages = (pkgs.nodePackages.override { nodejs = nodejs; });
in {
  services.postgresql = {
    enable = true;
    package = pkgs.postgresql_15;

    ensureUsers = [
      { name = "jaina"; }
      {
        name = "misskey";
        ensureDBOwnership = true;
      }
      { name = "postgres"; }
    ];
    ensureDatabases = [ "misskey" ];

    identMap = ''
      # ArbitraryMapName systemUser DBUser
         superuser_map      root      postgres
         superuser_map      postgres  postgres
         # Let other names login as themselves
         superuser_map      /^(.*)$   \1
    '';
  };

  services.redis.servers.misskey = {
    port = 6379;
    enable = true;
    openFirewall = false;
    requirePassFile = "/etc/nixos-secrets/redis-pass";
  };

  # services.meilisearch = {
  #   enable = true;
  #   maxIndexSize = "20Gb";
  #   environment = "production";
  #   masterKeyEnvironmentFile = "/etc/nixos-secrets/meili-key";
  # };

  security.acme = {
    acceptTerms = true;
    defaults.email = "admin+acme@heartles.xyz";
    certs."egirls.gay" = {
      domain = "egirls.gay";
      dnsProvider = "namecheap";
      credentialsFile = "/etc/nixos-secrets/namecheap-acme";
      group = "nginx";
    };
    certs."STAR.egirls.gay" = {
      domain = "*.egirls.gay";
      dnsProvider = "namecheap";
      credentialsFile = "/etc/nixos-secrets/namecheap-acme";
      group = "nginx";
    };
  };

  networking.firewall.allowedTCPPorts = [ 80 443 ];

  services.nginx = let
    listen = [
      {
        port = 443;
        addr = "0.0.0.0";
        ssl = true;
      }
      {
        port = 80;
        addr = "0.0.0.0";
      }
      {
        port = 443;
        addr = "[::]";
        ssl = true;
      }
      {
        port = 80;
        addr = "[::]";
      }
    ];
  in {
    enable = true;
    recommendedProxySettings = true;
    package = pkgs.openresty;

    upstreams."misskey".extraConfig = ''
      server unix:/var/run/misskey/misskey.sock;
    '';

    proxyCachePath."egirls_media_cache" = {
      enable = true;
      maxSize = "1g";
      inactive = "10m";
      keysZoneName = "egirls_media_cache";
    };

    virtualHosts."media.egirls.gay" = {
      inherit listen;

      forceSSL = true;
      useACMEHost = "STAR.egirls.gay";

      extraConfig = ''
        client_max_body_size 1m;
        proxy_cache egirls_media_cache;
        proxy_cache_valid 200 10m;
        proxy_cache_lock on;

        proxy_ignore_headers X-Accel-Expires Expires Cache-Control;
        proxy_hide_header X-Amz-ID-2;
        proxy_hide_header X-Amz-Request-ID;
        proxy_hide_header X-Wasabi-CM-Reference-ID;

        proxy_hide_header      Set-Cookie;
        proxy_ignore_headers   Set-Cookie;
      '';

      locations."/".extraConfig = ''
        return 404;
      '';

      locations."/misskey/".extraConfig = ''
        proxy_http_version 1.1;

        include /etc/nixos-secrets/s3-access-nginx.conf;

        set $s3_bucket 'egirls-gay-misskey';
        set $path_full '/$s3_bucket$request_uri';

        set_by_lua $now "return ngx.http_time(ngx.time())";
        set $signature_string "GET\n\n\n\nx-amz-date:''${now}\n$path_full";
        set_hmac_sha1 $s3_signature $s3_secret $signature_string;
        set_encode_base64 $s3_signature_b64 $s3_signature;

        proxy_set_header x-amz-date $now;
        proxy_set_header Authorization "AWS $s3_access:$s3_signature_b64";

        proxy_ssl_session_reuse on;
        rewrite .* $path_full break;
        proxy_pass https://s3.us-west-1.wasabisys.com;
      '';

      locations."/localfiles/" = {
        root = "/srv/www";
        tryFiles = "$uri =404";
      };
    };

    virtualHosts."egirls.gay" = {
      inherit listen;

      default = true;
      forceSSL = true;
      useACMEHost = "egirls.gay";
      locations."/" = {
        proxyWebsockets = true;
        proxyPass = "http://misskey";
        extraConfig = ''
          proxy_cache off;
        '';
      };

      locations."/api/drive/files/create" = {
        proxyWebsockets = true;
        proxyPass = "http://misskey";
        extraConfig = ''
          # increase max size and don't buffer file uploads
          client_max_body_size 2g;
          proxy_request_buffering off;
          proxy_cache off;
        '';
      };

      locations."/.well-known/matrix/server".extraConfig = ''
        add_header Content-Type application/json;
        add_header Access-Control-Allow-Origin '*';
        return 200 '{"m.server":"synapse.egirls.gay"}';
      '';
      locations."/.well-known/matrix/client".extraConfig = ''
        add_header Content-Type application/json;
        add_header Access-Control-Allow-Origin '*';
        return 200 '{"m.homeserver":{"base_url":"https://synapse.egirls.gay"}}';
      '';
    };
  };

  users.groups.misskey = { members = [ "jaina" ]; };
  users.users.misskey = {
    isSystemUser = true;
    group = "misskey";
    createHome = true;
  };

  # todo: figure out how to get misskey to build in nix instead of requiring a manual build process
  #
  # pnpm2nix does not work due to misskey using workspaces
  environment.systemPackages =
    [ nodejs nodePackages.pnpm pkgs.cypress pkgs.pkg-config pkgs.vips ];
  environment.sessionVariables = {
    CYPRESS_INSTALL_BINARY = "0";
    CYPRESS_RUN_BINARY = "${pkgs.cypress}/bin/Cypress";
  };

  systemd.services.misskey = {
    enable = true;
    description = "Misskey daemon";
    #path = [ nodejs nodePackages.pnpm pkgs.coreutils pkgs.cypress pkgs.pkg-config pkgs.vips ];

    serviceConfig = {
      Restart = "always";
      StandardOutput = "syslog";
      StandardError = "syslog";
      Environment = [
        "NODE_ENV=production"
        # TODO Fix this
        "PATH=/run/wrappers/bin:/var/empty/.nix-profile/bin:/nix/profile/bin:/var/empty/.local/state/nix/profile/bin:/etc/profiles/per-user/misskey/bin:/nix/var/nix/profiles/default/bin:/run/current-system/sw/bin"
      ];
      WorkingDirectory = "/srv/misskey";
      User = "misskey";
      ExecStart = "${nodePackages.pnpm}/bin/pnpm start";
      RuntimeDirectory = "misskey";
    };

    wantedBy = [ "multi-user.target" ];
  };
}