prosody
5e72c3e1743a
plugins/mod_message.lua

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plugins/mod_message.lua @ 1423:5e72c3e1743a

mod_message: Advertise offline message support as per XEP-0160 (thanks nolan)
author Matthew Wild <mwild1@gmail.com>
date Fri, 26 Jun 2009 15:35:20 +0100
parent 1418:d14de6cb8b5b
child 1522:569d58d21612
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2 local full_sessions = full_sessions;
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3 local bare_sessions = bare_sessions;
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4
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5 local st = require "util.stanza";
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6 local jid_bare = require "util.jid".bare;
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7 local jid_split = require "util.jid".split;
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8 local user_exists = require "core.usermanager".user_exists;
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9 local offlinemanager = require "core.offlinemanager";
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10 local t_insert = table.insert;
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11
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12 local function process_to_bare(bare, origin, stanza)
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13 local user = bare_sessions[bare];
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15 local t = stanza.attr.type;
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16 if t == "error" then
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17 -- discard
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18 elseif t == "groupchat" then
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19 origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
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20 elseif t == "headline" then
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21 if user then
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22 for _, session in pairs(user.sessions) do
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23 if session.presence and session.priority >= 0 then
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24 session.send(stanza);
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25 end
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26 end
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27 end -- current policy is to discard headlines if no recipient is available
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28 else -- chat or normal message
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29 if user then -- some resources are connected
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30 local recipients = user.top_resources;
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31 if recipients then
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32 for i=1,#recipients do
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33 recipients[i].send(stanza);
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34 end
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35 return true;
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36 end
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37 end
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38 -- no resources are online
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39 local node, host = jid_split(bare);
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40 if user_exists(node, host) then
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41 -- TODO apply the default privacy list
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42 offlinemanager.store(node, host, stanza);
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43 else
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44 origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
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45 end
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46 end
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47 return true;
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48 end
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50 module:hook("message/full", function(data)
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51 -- message to full JID recieved
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52 local origin, stanza = data.origin, data.stanza;
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53
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54 local session = full_sessions[stanza.attr.to];
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55 if session then
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56 -- TODO fire post processing event
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57 session.send(stanza);
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58 return true;
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59 else -- resource not online
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60 return process_to_bare(jid_bare(stanza.attr.to), origin, stanza);
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61 end
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62 end);
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63
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64 module:hook("message/bare", function(data)
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65 -- message to bare JID recieved
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66 local origin, stanza = data.origin, data.stanza;
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67
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68 return process_to_bare(stanza.attr.to or (origin.username..'@'..origin.host), origin, stanza);
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69 end);
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70
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71 module:add_feature("msgoffline");