prosody
fbd1ebd86369
plugins/mod_message.lua

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plugins/mod_message.lua @ 11576:fbd1ebd86369

teal: Add new util.hashes APIs
author Kim Alvefur <zash@zash.se>
date Thu, 20 May 2021 23:09:45 +0200
parent 11482:671f6b867e0d
child 11797:72a2b85c0537
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rev   line source
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2010 Matthew Wild
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3 -- Copyright (C) 2008-2010 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
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7838acadb0fa mod_announce, mod_auth_anonymous, mod_c2s, mod_c2s, mod_component, mod_iq, mod_message, mod_presence, mod_tls: Access prosody.{hosts,bare_sessions,full_sessions} instead of the old globals
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10 local full_sessions = prosody.full_sessions;
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11 local bare_sessions = prosody.bare_sessions;
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12
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13 local st = require "util.stanza";
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14 local jid_bare = require "util.jid".bare;
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15 local jid_split = require "util.jid".split;
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16 local user_exists = require "core.usermanager".user_exists;
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17
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18 local function process_to_bare(bare, origin, stanza)
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19 local user = bare_sessions[bare];
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20
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21 local t = stanza.attr.type;
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22 if t == "error" then
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23 return true; -- discard
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24 elseif t == "groupchat" then
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25 origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
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26 elseif t == "headline" then
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27 if user and stanza.attr.to == bare then
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28 for _, session in pairs(user.sessions) do
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29 if session.presence and session.priority >= 0 then
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30 session.send(stanza);
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31 end
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32 end
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33 end -- current policy is to discard headlines if no recipient is available
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34 else -- chat or normal message
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35 if user then -- some resources are connected
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36 local recipients = user.top_resources;
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37 if recipients then
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38 local sent;
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39 for i=1,#recipients do
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40 sent = recipients[i].send(stanza) or sent;
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41 end
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42 if sent then
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43 return true;
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44 end
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45 end
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46 end
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47 -- no resources are online
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48 local node, host = jid_split(bare);
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49 local ok
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50 if user_exists(node, host) then
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51 ok = module:fire_event('message/offline/handle', {
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52 username = node;
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53 origin = origin,
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54 stanza = stanza,
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55 });
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56 end
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57
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58 if not ok then
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59 origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
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60 end
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61 end
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62 return true;
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63 end
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65 module:hook("message/full", function(data)
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66 -- message to full JID received
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67 local origin, stanza = data.origin, data.stanza;
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68
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69 local session = full_sessions[stanza.attr.to];
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70 if session and session.send(stanza) then
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71 return true;
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72 else -- resource not online
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73 return process_to_bare(jid_bare(stanza.attr.to), origin, stanza);
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74 end
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75 end, -1);
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76
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77 module:hook("message/bare", function(data)
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78 -- message to bare JID received
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79 local origin, stanza = data.origin, data.stanza;
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80
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81 return process_to_bare(stanza.attr.to or (origin.username..'@'..origin.host), origin, stanza);
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82 end, -1);