plugins/mod_vcard.lua

   1
   2 require "util.datamanager"
   3 local datamanager = datamanager;
   4
   5 local st = require "util.stanza"
   6 local t_concat, t_insert = table.concat, table.insert;
   7
   8 require "util.jid"
   9 local jid_split = jid.split;
  10
  11 add_iq_handler({"c2s", "s2sin"}, "vcard-temp",
  12                 function (session, stanza)
  13                         if stanza.tags[1].name == "vCard" then
  14                                 local to = stanza.attr.to;
  15                                 if stanza.attr.type == "get" then
  16                                         local vCard;
  17                                         if to then
  18                                                 local node, host = jid_split(to);
  19                                                 if hosts[host] and hosts[host].type == "local" then
  20                                                         vCard = st.deserialize(datamanager.load(node, host, "vCard")); -- load vCard for user or server
  21                                                 end
  22                                         else
  23                                                 vCard = st.deserialize(datamanager.load(session.username, session.host, "vCard"));-- load user's own vCard
  24                                         end
  25                                         if vCard then
  26                                                 session.send(st.reply(stanza):add_child(vCard)); -- send vCard!
  27                                         else
  28                                                 session.send(st.error_reply(stanza, "cancel", "item-not-found"));
  29                                         end
  30                                 elseif stanza.attr.type == "set" then
  31                                         if not to or to == session.username.."@"..session.host then
  32                                                 if datamanager.store(session.username, session.host, "vCard", st.preserialize(stanza.tags[1])) then
  33                                                         session.send(st.reply(stanza));
  34                                                 else
  35                                                         -- TODO unable to write file, file may be locked, etc, what's the correct error?
  36                                                         session.send(st.error_reply(stanza, "wait", "internal-server-error"));
  37                                                 end
  38                                         else
  39                                                 session.send(st.error_reply(stanza, "auth", "forbidden"));
  40                                         end
  41                                 end
  42                                 return true;
  43                         end
  44                 end);
  45
  46 add_event_hook("stream-features",
  47                                         function (session, features)
  48                                                 if session.type == "c2s" then
  49                                                         t_insert(features, "<feature var='vcard-temp'/>");
  50                                                 end
  51                                         end);