mod_register_oob_url/mod_register_oob_url.lua

   1 -- Register via OOB URL
   2 -- Copyright (c) 2018 Daniel Gultsch
   3 --
   4 -- This module is MIT/X11 licensed
   5 --
   6
   7 local st = require "util.stanza";
   8 local namespace = "http://jabber.org/features/iq-register"
   9 local register_stream_feature = st.stanza("register", {xmlns=namespace}):up();
  10 local allow_registration = module:get_option_boolean("allow_registration", false);
  11 local registration_url = module:get_option_string("register_oob_url", nil)
  12
  13 if allow_registration then
  14         module:log("info","obb registration is disabled as long as IBR is allowed. Set `allow_registration` to false")
  15 end
  16
  17 if not registration_url then
  18         module:log("info","registration url not configured. Add `register_oob_url` to prosody.cfg")
  19 end
  20
  21 local function on_stream_features(event)
  22         if not registration_url then
  23                 return
  24         end
  25         local session, features = event.origin, event.features;
  26         if session.type == "c2s_unauthed" and not allow_registration then
  27                 features:add_child(register_stream_feature);
  28         end
  29 end
  30
  31 local function on_registration_requested(event)
  32         local session, stanza = event.origin, event.stanza
  33         if session.type ~= "c2s_unauthed" or stanza.attr.type ~= "get" then
  34                 return
  35         end
  36         if not allow_registration and registration_url then
  37                 local reply = st.reply(stanza)
  38                 reply:query("jabber:iq:register")
  39                         :tag("x", {xmlns = "jabber:x:oob"})
  40                                 :tag("url"):text(registration_url);
  41                 return session.send(reply)
  42         end
  43 end
  44
  45 module:hook("stream-features", on_stream_features)
  46 module:hook("stanza/iq/jabber:iq:register:query", on_registration_requested, 1)
  47
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