prosody
06453c564141
plugins/mod_message.lua

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plugins/mod_message.lua @ 13014:06453c564141

util.startup: Add prosody.started promise to easily execute code after startup To avoid a race where server-started fires before the promise function body is run (on next tick), I moved server-started to fire on the next tick, which seems sensible anyway. Errors are logged, I'm not sure if we ought to be doing something more here. I'm sure we'll find out.
author Matthew Wild <mwild1@gmail.com>
date Sat, 01 Apr 2023 11:56:38 +0100
parent 12977:74b9e05af71e
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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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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 "prosody.util.stanza";
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14 local jid_bare = require "prosody.util.jid".bare;
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15 local jid_split = require "prosody.util.jid".split;
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16 local user_exists = require "prosody.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 local node, host = jid_split(bare);
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26 if user_exists(node, host) then
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27 if module:fire_event("message/bare/groupchat", {
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28 origin = origin, stanza = stanza;
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29 }) then
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30 return true;
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31 end
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32 end
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33
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34 origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
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35 elseif t == "headline" then
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36 if user and stanza.attr.to == bare then
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37 for _, session in pairs(user.sessions) do
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38 if session.presence and session.priority >= 0 then
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39 session.send(stanza);
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40 end
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41 end
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42 end -- current policy is to discard headlines if no recipient is available
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43 else -- chat or normal message
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44 if user then -- some resources are connected
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45 local recipients = user.top_resources;
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46 if recipients then
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47 local sent;
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48 for i=1,#recipients do
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49 sent = recipients[i].send(stanza) or sent;
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50 end
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51 if sent then
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52 return true;
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53 end
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54 end
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55 end
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56 -- no resources are online
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57 local node, host = jid_split(bare);
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58 local ok
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59 if user_exists(node, host) then
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60 ok = module:fire_event('message/offline/handle', {
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61 username = node, -- username of the recipient of the offline message
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62 origin = origin, -- the sender
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63 stanza = stanza,
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64 });
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65 end
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66
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67 if not ok then
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68 origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
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69 end
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70 end
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71 return true;
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72 end
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73
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74 module:hook("message/full", function(data)
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75 -- message to full JID received
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76 local origin, stanza = data.origin, data.stanza;
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77
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78 local session = full_sessions[stanza.attr.to];
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79 if session and session.send(stanza) then
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80 return true;
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81 else -- resource not online
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82 return process_to_bare(jid_bare(stanza.attr.to), origin, stanza);
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83 end
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84 end, -1);
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85
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86 module:hook("message/bare", function(data)
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87 -- message to bare JID received
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88 local origin, stanza = data.origin, data.stanza;
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89
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90 return process_to_bare(stanza.attr.to or (origin.username..'@'..origin.host), origin, stanza);
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91 end, -1);