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-rw-r--r--tv/modules/ejabberd.nix166
1 files changed, 166 insertions, 0 deletions
diff --git a/tv/modules/ejabberd.nix b/tv/modules/ejabberd.nix
new file mode 100644
index 0000000..2910a9a
--- /dev/null
+++ b/tv/modules/ejabberd.nix
@@ -0,0 +1,166 @@
+{ config, lib, pkgs, ... }:
+
+with builtins;
+with lib;
+let
+ cfg = config.tv.ejabberd;
+
+ out = {
+ options.tv.ejabberd = api;
+ config = mkIf cfg.enable imp;
+ };
+
+ api = {
+ enable = mkEnableOption "tv.ejabberd";
+
+ certFile = mkOption {
+ type = types.str;
+ default = "/root/src/secrets/ejabberd.pem";
+ };
+
+ hosts = mkOption {
+ type = with types; listOf str;
+ };
+ };
+
+ imp = {
+ environment.systemPackages = [ my-ejabberdctl ];
+
+ systemd.services.ejabberd = {
+ wantedBy = [ "multi-user.target" ];
+ after = [ "network.target" ];
+ serviceConfig = {
+ Type = "oneshot";
+ RemainAfterExit = "yes";
+ PermissionsStartOnly = "true";
+ SyslogIdentifier = "ejabberd";
+ User = user.name;
+ ExecStartPre = pkgs.writeScript "ejabberd-start" ''
+ #! /bin/sh
+ install -o ${user.name} -m 0400 ${cfg.certFile} /etc/ejabberd/ejabberd.pem
+ '';
+ ExecStart = pkgs.writeScript "ejabberd-service" ''
+ #! /bin/sh
+ ${my-ejabberdctl}/bin/ejabberdctl start
+ '';
+ };
+ };
+
+ users.extraUsers = singleton {
+ inherit (user) name uid;
+ home = "/var/ejabberd";
+ createHome = true;
+ };
+ };
+
+ user = {
+ name = "ejabberd";
+ uid = 3499746127; # genid ejabberd
+ };
+
+ my-ejabberdctl = pkgs.writeScriptBin "ejabberdctl" ''
+ #! /bin/sh
+ set -euf
+ exec env \
+ SPOOLDIR=/var/ejabberd \
+ EJABBERD_CONFIG_PATH=${config-file} \
+ ${pkgs.ejabberd}/bin/ejabberdctl \
+ --logs /var/ejabberd \
+ "$@"
+ '';
+
+ config-file = pkgs.writeText "ejabberd.cfg" ''
+ {loglevel, 3}.
+ {hosts, ${toErlang cfg.hosts}}.
+ {listen,
+ [
+ {5222, ejabberd_c2s, [
+ starttls,
+ {certfile, "/etc/ejabberd/ejabberd.pem"},
+ {access, c2s},
+ {shaper, c2s_shaper},
+ {max_stanza_size, 65536}
+ ]},
+ {5269, ejabberd_s2s_in, [
+ {shaper, s2s_shaper},
+ {max_stanza_size, 131072}
+ ]},
+ {5280, ejabberd_http, [
+ captcha,
+ http_bind,
+ http_poll,
+ web_admin
+ ]}
+ ]}.
+ {s2s_use_starttls, required}.
+ {s2s_certfile, "/etc/ejabberd/ejabberd.pem"}.
+ {auth_method, internal}.
+ {shaper, normal, {maxrate, 1000}}.
+ {shaper, fast, {maxrate, 50000}}.
+ {max_fsm_queue, 1000}.
+ {acl, local, {user_regexp, ""}}.
+ {access, max_user_sessions, [{10, all}]}.
+ {access, max_user_offline_messages, [{5000, admin}, {100, all}]}.
+ {access, local, [{allow, local}]}.
+ {access, c2s, [{deny, blocked},
+ {allow, all}]}.
+ {access, c2s_shaper, [{none, admin},
+ {normal, all}]}.
+ {access, s2s_shaper, [{fast, all}]}.
+ {access, announce, [{allow, admin}]}.
+ {access, configure, [{allow, admin}]}.
+ {access, muc_admin, [{allow, admin}]}.
+ {access, muc_create, [{allow, local}]}.
+ {access, muc, [{allow, all}]}.
+ {access, pubsub_createnode, [{allow, local}]}.
+ {access, register, [{allow, all}]}.
+ {language, "en"}.
+ {modules,
+ [
+ {mod_adhoc, []},
+ {mod_announce, [{access, announce}]},
+ {mod_blocking,[]},
+ {mod_caps, []},
+ {mod_configure,[]},
+ {mod_disco, []},
+ {mod_irc, []},
+ {mod_http_bind, []},
+ {mod_last, []},
+ {mod_muc, [
+ {access, muc},
+ {access_create, muc_create},
+ {access_persistent, muc_create},
+ {access_admin, muc_admin}
+ ]},
+ {mod_offline, [{access_max_user_messages, max_user_offline_messages}]},
+ {mod_ping, []},
+ {mod_privacy, []},
+ {mod_private, []},
+ {mod_pubsub, [
+ {access_createnode, pubsub_createnode},
+ {ignore_pep_from_offline, true},
+ {last_item_cache, false},
+ {plugins, ["flat", "hometree", "pep"]}
+ ]},
+ {mod_register, [
+ {welcome_message, {"Welcome!",
+ "Hi.\nWelcome to this XMPP server."}},
+ {ip_access, [{allow, "127.0.0.0/8"},
+ {deny, "0.0.0.0/0"}]},
+ {access, register}
+ ]},
+ {mod_roster, []},
+ {mod_shared_roster,[]},
+ {mod_stats, []},
+ {mod_time, []},
+ {mod_vcard, []},
+ {mod_version, []}
+ ]}.
+ '';
+
+
+ # XXX this is a placeholder that happens to work the default strings.
+ toErlang = builtins.toJSON;
+
+in
+out