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1 -- Prosody IM |
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2 -- Copyright (C) 2008-2009 Matthew Wild |
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3 -- Copyright (C) 2008-2009 Waqas Hussain |
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4 -- |
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5 -- This project is MIT/X11 licensed. Please see the |
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6 -- COPYING file in the source package for more information. |
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7 -- |
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8 |
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9 local st = require "util.stanza"; |
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10 local is_contact_subscribed = require "core.rostermanager".is_contact_subscribed; |
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11 local jid_bare = require "util.jid".bare; |
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12 local jid_split = require "util.jid".split; |
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13 |
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14 module:add_feature("jabber:iq:last"); |
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15 |
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16 local map = {}; |
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17 |
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18 module:hook("pre-presence/bare", function(event) |
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19 local stanza = event.stanza; |
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20 if not(stanza.attr.to) and stanza.attr.type == "unavailable" then |
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21 local t = os.time(); |
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22 local s = stanza:child_with_name("status"); |
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23 s = s and #s.tags == 0 and s[1] or ""; |
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24 map[event.origin.username] = {s = s, t = t}; |
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25 end |
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26 end); |
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27 |
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28 module:hook("iq/bare/jabber:iq:last:query", function(event) |
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29 local origin, stanza = event.origin, event.stanza; |
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30 if stanza.attr.type == "get" then |
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31 local username = jid_split(stanza.attr.to) or origin.username; |
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32 if is_contact_subscribed(username, module.host, jid_bare(stanza.attr.from)) then |
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33 local seconds, text = "0", ""; |
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34 if map[username] then |
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35 seconds = tostring(os.difftime(os.time(), map[username].t)); |
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36 text = map[username].s; |
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37 end |
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38 origin.send(st.reply(stanza):tag('query', {xmlns='jabber:iq:last', seconds=seconds}):text(text)); |
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39 else |
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40 origin.send(st.error_reply(stanza, 'auth', 'forbidden')); |
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41 end |
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42 return true; |
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43 end |
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44 end); |