84 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
			
		
		
	
	
			84 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
{ config, lib, pkgs, ... }:
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with lib;
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let
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  cfg = config.services.spacecookie;
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  configFile = pkgs.writeText "spacecookie.json" (lib.generators.toJSON {} {
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    inherit (cfg) hostname port root;
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  });
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in {
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  options = {
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    services.spacecookie = {
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      enable = mkEnableOption "spacecookie";
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      hostname = mkOption {
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        type = types.str;
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        default = "localhost";
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        description = "The hostname the service is reachable via. Clients will use this hostname for further requests after loading the initial gopher menu.";
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      };
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      port = mkOption {
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        type = types.port;
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        default = 70;
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        description = "Port the gopher service should be exposed on.";
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      };
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      root = mkOption {
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        type = types.path;
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        default = "/srv/gopher";
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        description = "The root directory spacecookie serves via gopher.";
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      };
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    };
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  };
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  config = mkIf cfg.enable {
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    systemd.sockets.spacecookie = {
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      description = "Socket for the Spacecookie Gopher Server";
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      wantedBy = [ "sockets.target" ];
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      listenStreams = [ "[::]:${toString cfg.port}" ];
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      socketConfig = {
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        BindIPv6Only = "both";
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      };
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    };
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    systemd.services.spacecookie = {
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      description = "Spacecookie Gopher Server";
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      wantedBy = [ "multi-user.target" ];
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      requires = [ "spacecookie.socket" ];
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      serviceConfig = {
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        Type = "notify";
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        ExecStart = "${pkgs.haskellPackages.spacecookie}/bin/spacecookie ${configFile}";
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        FileDescriptorStoreMax = 1;
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        DynamicUser = true;
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        ProtectSystem = "strict";
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        ProtectHome = true;
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        PrivateTmp = true;
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        PrivateDevices = true;
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        PrivateMounts = true;
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        PrivateUsers = true;
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        ProtectKernelTunables = true;
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        ProtectKernelModules = true;
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        ProtectControlGroups = true;
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        CapabilityBoundingSet = "";
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        NoNewPrivileges = true;
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        LockPersonality = true;
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        RestrictRealtime = true;
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        # AF_UNIX for communication with systemd
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        # AF_INET replaced by BindIPv6Only=both
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        RestrictAddressFamilies = "AF_UNIX AF_INET6";
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      };
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    };
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  };
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}
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