113 lines
		
	
	
	
		
			3.1 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
			
		
		
	
	
			113 lines
		
	
	
	
		
			3.1 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
{
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  config,
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  lib,
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  pkgs,
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  ...
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}: let
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  dataDir = "/var/lib/paperless";
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in {
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  options.services.paperless = {
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    subdomain = lib.mkOption {
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      type = lib.types.str;
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      description = "subdomain of base domain that paperless will be hosted at";
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      default = "paperless";
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    };
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    database = {
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      user = lib.mkOption {
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        type = lib.types.str;
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        description = "what is the user and database that we are going to use for paperless";
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        default = "paperless";
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      };
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    };
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  };
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  config = lib.mkIf config.services.paperless.enable (lib.mkMerge [
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    {
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      host = {
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        postgres = {
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          enable = true;
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          extraUsers = {
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            ${config.services.paperless.database.user} = {
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              isClient = true;
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              createUser = true;
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            };
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          };
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          extraDatabases = {
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            ${config.services.paperless.database.user} = {
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              name = config.services.paperless.database.user;
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            };
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          };
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        };
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      };
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      services.paperless = {
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        domain = "${config.services.paperless.subdomain}.${config.host.reverse_proxy.hostname}";
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        configureTika = true;
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        settings = {
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          PAPERLESS_DBENGINE = "postgresql";
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          PAPERLESS_DBHOST = "/run/postgresql";
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          PAPERLESS_DBNAME = config.services.paperless.database.user;
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          PAPERLESS_DBUSER = config.services.paperless.database.user;
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        };
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      };
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    }
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    (lib.mkIf config.host.reverse_proxy.enable {
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      host = {
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        reverse_proxy.subdomains.${config.services.paperless.subdomain} = {
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          target = "http://${config.services.paperless.address}:${toString config.services.paperless.port}";
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          websockets.enable = true;
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          forwardHeaders.enable = true;
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          extraConfig = ''
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            # allow large file uploads
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            client_max_body_size 50000M;
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          '';
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        };
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      };
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    })
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    (lib.mkIf config.services.fail2ban.enable {
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      environment.etc = {
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        "fail2ban/filter.d/paperless.local".text = (
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          pkgs.lib.mkDefault (pkgs.lib.mkAfter ''
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            [Definition]
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            failregex = Login failed for user `.*` from (?:IP|private IP) `<HOST>`\.$
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            ignoreregex =
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          '')
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        );
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      };
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      services.fail2ban = {
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        jails = {
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          paperless.settings = {
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            enabled = true;
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            filter = "paperless";
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            action = ''iptables-multiport[name=HTTP, port="http,https"]'';
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            logpath = "${config.services.paperless.dataDir}/log/*.log";
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            backend = "auto";
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            findtime = 600;
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            bantime = 600;
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            maxretry = 5;
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          };
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        };
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      };
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    })
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    (lib.mkIf config.host.impermanence.enable {
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      assertions = [
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        {
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          assertion = config.services.paperless.dataDir == dataDir;
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          message = "paperless data location does not match persistence";
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        }
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      ];
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      environment.persistence."/persist/system/root" = {
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        directories = [
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          {
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            directory = dataDir;
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            user = "paperless";
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            group = "paperless";
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          }
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        ];
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      };
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    })
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  ]);
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}
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