plugins/mod_vcard.lua

   1 -- Prosody IM v0.4
   2 -- Copyright (C) 2008-2009 Matthew Wild
   3 -- Copyright (C) 2008-2009 Waqas Hussain
   4 --
   5 -- This project is MIT/X11 licensed. Please see the
   6 -- COPYING file in the source package for more information.
   7 --
   8
   9
  10
  11 local hosts = _G.hosts;
  12 local datamanager = require "util.datamanager"
  13
  14 local st = require "util.stanza"
  15 local t_concat, t_insert = table.concat, table.insert;
  16
  17 local jid = require "util.jid"
  18 local jid_split = jid.split;
  19
  20 module:add_feature("vcard-temp");
  21
  22 module:add_iq_handler({"c2s", "s2sin"}, "vcard-temp",
  23                 function (session, stanza)
  24                         if stanza.tags[1].name == "vCard" then
  25                                 local to = stanza.attr.to;
  26                                 if stanza.attr.type == "get" then
  27                                         local vCard;
  28                                         if to then
  29                                                 local node, host = jid_split(to);
  30                                                 if hosts[host] and hosts[host].type == "local" then
  31                                                         vCard = st.deserialize(datamanager.load(node, host, "vcard")); -- load vCard for user or server
  32                                                 end
  33                                         else
  34                                                 vCard = st.deserialize(datamanager.load(session.username, session.host, "vcard"));-- load user's own vCard
  35                                         end
  36                                         if vCard then
  37                                                 session.send(st.reply(stanza):add_child(vCard)); -- send vCard!
  38                                         else
  39                                                 session.send(st.error_reply(stanza, "cancel", "item-not-found"));
  40                                         end
  41                                 elseif stanza.attr.type == "set" then
  42                                         if not to or to == session.username.."@"..session.host then
  43                                                 if datamanager.store(session.username, session.host, "vcard", st.preserialize(stanza.tags[1])) then
  44                                                         session.send(st.reply(stanza));
  45                                                 else
  46                                                         -- TODO unable to write file, file may be locked, etc, what's the correct error?
  47                                                         session.send(st.error_reply(stanza, "wait", "internal-server-error"));
  48                                                 end
  49                                         else
  50                                                 session.send(st.error_reply(stanza, "auth", "forbidden"));
  51                                         end
  52                                 end
  53                                 return true;
  54                         end
  55                 end);
  56
  57 local feature_vcard_attr = { var='vcard-temp' };
  58 module:add_event_hook("stream-features",
  59                                         function (session, features)
  60                                                 if session.type == "c2s" then
  61                                                         features:tag("feature", feature_vcard_attr):up();
  62                                                 end
  63                                         end);