From d213df5c00d3073d2f3bc09471fce466153df881 Mon Sep 17 00:00:00 2001
From: tv <tv@shackspace.de>
Date: Sat, 11 Jul 2015 16:55:22 +0200
Subject: NWO

---
 3modules/tv/ejabberd.nix | 171 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 171 insertions(+)
 create mode 100644 3modules/tv/ejabberd.nix

(limited to '3modules/tv/ejabberd.nix')

diff --git a/3modules/tv/ejabberd.nix b/3modules/tv/ejabberd.nix
new file mode 100644
index 00000000..ffcc5cfb
--- /dev/null
+++ b/3modules/tv/ejabberd.nix
@@ -0,0 +1,171 @@
+{ config, lib, pkgs, ... }:
+
+with builtins;
+with lib;
+let
+  cfg = config.tv.ejabberd;
+
+  out = {
+    options.tv.ejabberd = api;
+    config = mkIf cfg.enable imp;
+  };
+
+  api = {
+    enable = mkOption {
+      type = types.bool;
+      default = false;
+    };
+
+    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;
+        PrivateTmp = "true";
+        ExecStartPre = pkgs.writeScript "ejabberd-start" ''
+          #! /bin/sh
+          install -o ${user.name} -m 0400 ${cfg.certFile} /tmp/certfile.pem
+        '';
+        ExecStart = pkgs.writeScript "ejabberd-service" ''
+          #! /bin/sh
+          ${my-ejabberdctl}/bin/ejabberdctl start
+        '';
+      };
+    };
+
+    users.extraUsers = singleton {
+      inherit (user) name uid;
+      home = "/var/ejabberd";
+      createHome = true;
+    };
+  };
+
+  user = {
+    name = "ejabberd";
+    uid = 405222; 
+    # TODO uid = 3483034447; # genid ejabberd
+  };
+
+  my-ejabberdctl = pkgs.writeScriptBin "ejabberdctl" ''
+    #! /bin/sh
+    set -euf
+    exec env \
+        SPOOLDIR=/var/ejabberd \
+        EJABBERD_CONFIG_PATH=${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, "/tmp/certfile.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, "/tmp/certfile.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
-- 
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