servers/mermet/rspamd.nix

   1 { pkgs, lib, config, ... }:
   2 let inherit (builtins) attrNames listToAttrs;
   3     inherit (builtins.extraBuiltins) pass pass-chomp;
   4     inherit (lib) types;
   5     inherit (pkgs.lib) unlinesAttrs;
   6     inherit (config) networking;
   7     inherit (config.services) postfix rspamd dovecot2;
   8 in
   9 {
  10   systemd.services.rspamd.after =
  11     lib.mapAttrsToList
  12     (domain: dom: "dkim.${domain}.${dom.selector}.key-key.service")
  13     rspamd.dkim.domains;
  14   deployment.keys = lib.mapAttrs'
  15     (domain: dom:
  16       lib.nameValuePair "dkim.${domain}.${dom.selector}.key" {
  17         text  = pass dom.selectors."${dom.selector}".key;
  18         user  = rspamd.user;
  19         group = rspamd.group;
  20         destDir = "/run/keys/";
  21         permissions = "0400"; # WARNING: not enforced when deployment.storeKeysOnMachine = true
  22       })
  23     rspamd.dkim.domains;
  24   services.rspamd = {
  25     enable = true;
  26     debug = false;
  27     postfix = {
  28       enable = postfix.enable;
  29     };
  30     dkim = {
  31       enable = true;
  32       domains = {
  33         "${networking.domainBase}.fr" = {
  34           selector = "20200101";
  35           selectors = {
  36             "20200101" = {
  37               key = "dkim/${networking.domainBase}.20200101.key";
  38               dns = ''
  39                   20200101._domainkey IN TXT ( "v=DKIM1; k=rsa; "
  40                     "p=MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA7EKzverbG+5JF+yFjH3MrxLyauiHyLqBbV/8LEMunoKXF8sqhBpQtAQXruLqsyUkxR/4CAyPMyzmcdrU43boMj9yFqLrg/kEz2RIvai9jXBqRoWRW1y7F0LbZmdtOTncuDSP8Zzo02XUzsOC4f/C3tEQHS5rc"
  41                     "hzfhU5FY1CeO6eBMV79qKBOvGMKahQTrrtU6olAAJxOhn6wRuwSf"
  42                     "+m3on1OqiuXYYIgNHKdRhJ8gDwIm/3LEpYMD0gTgJiyclCLoLGHGtKZy1Wf9xV9/7V6fHE4JW5SDivwslVTL+KPXOlIpo5NDHpMxPYOcIg2K4Rj/j7jhavo+fG43q1LhwaPkEMQMbplgnjeMY8300odRiklTkMMpH0m35ZNeHQJSRpEtV8y5xUNxVaGzfqX5iStwV/mQ1Kn"
  43                     "ZSe8ORTNq+eTTFnDk6zdUXjagcf0wO6QsSTeAz/G8CqOBbwmrU+q"
  44                     "F8WbGAeRnhz51mH6fTTfsQ1nwjAiF4ou+eQGTkTMN23KkCKpuozJnxqx4DCEr6J1bL83fhXw7CgcfgKgTOk/HFJpeiGhqodw18r4DWBA6G57z9utm7Mr/9SoVnMq6iK9iEcbCllLR8Sz4viatLSRzhodbk7hfvXS3jmCFjILAjFmA7aMTemDMBDQhpAGF9F8sjFUbEJIZjK"
  45                     "rWWtSTdO8DilDqN8CAwEAAQ=="
  46                   );
  47               '';
  48             };
  49           };
  50         };
  51       };
  52     };
  53     locals =
  54       let selector_map_file =
  55         pkgs.writeText "dkim_selectors.map"
  56           (unlinesAttrs
  57             (domain: dom: "${domain} ${dom.selector}")
  58             rspamd.dkim.domains);
  59       in {
  60       "dkim_signing.conf".text = ''
  61         selector_map = ${selector_map_file};
  62         path = "/run/keys/rspamd/dkim.$domain.$selector.key";
  63         allow_username_mismatch = true;
  64       '';
  65       "arc.conf".text = ''
  66         selector_map = ${selector_map_file};
  67         path = "/run/keys/rspamd/dkim.$domain.$selector.key";
  68         allow_username_mismatch = true;
  69       '';
  70       /*
  71       "logging.conf" = ''
  72         debug_modules = [“dkim_signing”]
  73       '';
  74       */
  75     };
  76     overrides = {
  77       "milter_headers.conf".text = ''
  78         extended_spam_headers = true;
  79       '';
  80       "actions.conf".text = ''
  81         reject     = 15; # Reject when reaching this score
  82         add_header =  6; # Add header when reaching this score
  83         greylist   =  4; # Apply greylisting when reaching this score (will emit `soft reject action`)
  84       '';
  85     };
  86     workers = {
  87       learner = {
  88         # Like controller but without a password, only the bindSockets' permissions
  89         type = "controller";
  90         includes = [ "$CONFDIR/worker-controller.inc" ];
  91         bindSockets = [
  92           { socket = "/run/rspamd/learner.sock";
  93             mode = "0660";
  94             owner = "${rspamd.user}";
  95             group = "${dovecot2.group}";
  96           }
  97         ];
  98         extraConfig = ''
  99         '';
 100       };
 101       controller = {
 102         includes = [ "$CONFDIR/worker-controller.inc" ];
 103         bindSockets = [
 104           "127.0.0.1:11334"
 105         ];
 106         extraConfig = ''
 107           #count = 1;
 108           #static_dir = "''${WWWDIR}";
 109           # USE: rspamadm pw
 110           password = "${pass-chomp "servers/mermet/rspamd/controller/hashedPassword"}";
 111         '';
 112       };
 113     };
 114   };
 115   /*
 116   services.postfix.extraConfig = ''
 117     smtpd_milters = unix:/run/rspamd.sock
 118     milter_default_action = accept
 119   '';
 120   # Allow users to run 'rspamc' and 'rspamadm'.
 121   environment.systemPackages = [ pkgs.rspamd ];
 122   */
 123
 124   /*
 125   services.redis = {
 126     enable = true;
 127   };
 128   */
 129 }