nix/modules/services/nextcloud.nix

{
  lib,
  config,
  pkgs,
  ...
}:
let
  cfg = config.my.services.nextcloud;
in
{

  options.my.services.nextcloud = {
    enable = lib.mkEnableOption "Enable Nextcloud module";

    adminPasswordFile = lib.mkOption {
      default = "";
      type = lib.types.str;
      description = ''
        Path to the file containing the admin password for Nextcloud
      '';
    };

    proxy = {
      enable = lib.mkEnableOption "Set the proxy entry for this service";

      domain = lib.mkOption {
        default = "example.com";
        type = lib.types.str;
        description = ''
          The domain where Caddy is reachable
        '';
      };

      subdomain = lib.mkOption {
        default = "cloud";
        type = lib.types.str;
        description = ''
          The subdomain where Nextcloud is reachable
        '';
      };

      officeSubdomain = lib.mkOption {
        default = "office";
        type = lib.types.str;
        description = ''
          The subdomain where Collabora Online is reachable
        '';
      };

      host = lib.mkOption {
        default = "localhost";
        type = lib.types.str;
        description = ''
          host name where nextcloud is running
        '';
      };

    };
  };

  config = lib.mkMerge [
    (lib.mkIf cfg.enable {

      services = {

        nextcloud = {
          enable = true;
          package = pkgs.nextcloud30;
          hostName = "cloud.${cfg.proxy.domain}";
          https = true;
          nginx.recommendedHttpHeaders = true;

          settings = {
            overwriteProtocol = "https";
            defaultPhoneRegion = "IT";
            trusted_proxies = [ "192.168.1.150" ];
            trusted_domains = [ "cloud.${cfg.proxy.domain}" ];
            maintenance_window_start = 1;
            enabledPreviewProviders = [
              "OC\\Preview\\BMP"
              "OC\\Preview\\GIF"
              "OC\\Preview\\JPEG"
              "OC\\Preview\\Krita"
              "OC\\Preview\\MarkDown"
              "OC\\Preview\\MP3"
              "OC\\Preview\\OpenDocument"
              "OC\\Preview\\PNG"
              "OC\\Preview\\TXT"
              "OC\\Preview\\XBitmap"
              "OC\\Preview\\HEIC"
              "OC\\Preview\\Movie"
            ];
            memories = {
              exiftool = "${lib.getExe pkgs.exiftool}";
              vod.ffmpeg = "${lib.getExe pkgs.ffmpeg-headless}";
              vod.ffprobe = "${pkgs.ffmpeg-headless}/bin/ffprobe";
            };
          };

          phpOptions = {
            "opcache.interned_strings_buffer" = "64";
            "opcache.memory_consumption" = "256";
          };

          config = {
            dbtype = "pgsql";
            adminuser = "admin";
            adminpassFile = cfg.adminPasswordFile;
          };

          # Let NixOS install and configure the database automatically.
          database.createLocally = true;

          # Let NixOS install and configure Redis caching automatically.
          configureRedis = true;

          # Increase the maximum file upload size to avoid problems uploading videos.
          maxUploadSize = "16G";

          # Instead of using pkgs.nextcloudXXPackages.apps,
          # we'll reference the package version specified above
          autoUpdateApps.enable = true;
          appstoreEnable = true;
          extraAppsEnable = true;
          extraApps = {
            inherit (config.services.nextcloud.package.packages.apps)
              contacts
              calendar
              cookbook
              cospend
              memories
              tasks
              # onlyoffice
              # oidc
              richdocuments
              ;
          };

        };

        collabora-online = {
          enable = true;
          settings = {
            host = [
              ''127\.0\.0\.1''
            ];
            storage.wopi."@allow" = true;
          };
          # hostname = "office.${cfg.proxy.domain}";
        };

      };

      networking.firewall.allowedTCPPorts = [
        80
        config.services.collabora-online.port
      ];

      environment.systemPackages = with pkgs; [
        exiftool
        ffmpeg
      ];

      systemd.services."nextcloud-setup" = {
        requires = [ "postgresql.service" ];
        after = [ "postgresql.service" ];
      };

    })

    (lib.mkIf cfg.proxy.enable {
      services.caddy = with cfg.proxy; {
        virtualHosts."${subdomain}.${domain}".extraConfig = ''
          reverse_proxy http://${host}:80
          import cloudflare_${domain}
        '';
        virtualHosts."${officeSubdomain}.${domain}".extraConfig = ''
          import cloudflare_${domain}
          reverse_proxy http://${host}:${toString config.services.collabora-online.port} {
            # Required to circumvent bug of Onlyoffice loading mixed non-https content
            header_up X-Forwarded-Proto https
          }
        '';
      };
    })
  ];
}