prosody
008a7097fdc5
plugins/muc/occupant.lib.lua

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plugins/muc/occupant.lib.lua @ 12705:008a7097fdc5

util.jwt: Provide built-in token expiry support (defaults to 3600s lifetime) To avoid every user of the library needing to add and verify expiry info, this is now handled by util.jwt itself (if not overridden or disabled). Issuing tokens that are valid forever is bad practice and rarely desired, and the default token lifetime is now 3600s (1 hour).
author Matthew Wild <mwild1@gmail.com>
date Mon, 11 Jul 2022 13:28:29 +0100
parent 7086:6cc7c9da29ed
child 12977:74b9e05af71e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 local pairs = pairs;
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2 local setmetatable = setmetatable;
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3 local st = require "util.stanza";
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4 local util = module:require "muc/util";
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5
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6 local function get_filtered_presence(stanza)
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7 return util.filter_muc_x(st.clone(stanza));
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8 end
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9
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10 local occupant_mt = {};
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11 occupant_mt.__index = occupant_mt;
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12
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13 local function new_occupant(bare_real_jid, nick)
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14 return setmetatable({
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15 bare_jid = bare_real_jid;
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16 nick = nick; -- in-room jid
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17 sessions = {}; -- hash from real_jid to presence stanzas. stanzas should not be modified
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18 role = nil;
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19 jid = nil; -- Primary session
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20 }, occupant_mt);
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21 end
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22
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23 -- Deep copy an occupant
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24 local function copy_occupant(occupant)
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25 local sessions = {};
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26 for full_jid, presence_stanza in pairs(occupant.sessions) do
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27 -- Don't keep unavailable presences, as they'll accumulate; unless they're the primary session
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28 if presence_stanza.attr.type ~= "unavailable" or full_jid == occupant.jid then
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29 sessions[full_jid] = presence_stanza;
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30 end
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31 end
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32 return setmetatable({
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33 bare_jid = occupant.bare_jid;
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34 nick = occupant.nick;
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35 sessions = sessions;
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36 role = occupant.role;
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37 jid = occupant.jid;
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38 }, occupant_mt);
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39 end
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40
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41 -- finds another session to be the primary (there might not be one)
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42 function occupant_mt:choose_new_primary()
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43 for jid, pr in self:each_session() do
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44 if pr.attr.type == nil then
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45 return jid;
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46 end
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47 end
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48 return nil;
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49 end
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50
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51 function occupant_mt:set_session(real_jid, presence_stanza, replace_primary)
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52 local pr = get_filtered_presence(presence_stanza);
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53 pr.attr.from = self.nick;
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54 pr.attr.to = real_jid;
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55
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56 self.sessions[real_jid] = pr;
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57 if replace_primary then
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58 self.jid = real_jid;
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59 elseif self.jid == nil or (pr.attr.type == "unavailable" and self.jid == real_jid) then
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60 -- Only leave an unavailable presence as primary when there are no other options
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61 self.jid = self:choose_new_primary() or real_jid;
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62 end
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63 end
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64
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65 function occupant_mt:remove_session(real_jid)
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66 -- Delete original session
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67 self.sessions[real_jid] = nil;
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68 if self.jid == real_jid then
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69 self.jid = self:choose_new_primary();
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70 end
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71 end
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72
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73 function occupant_mt:each_session()
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74 return pairs(self.sessions)
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75 end
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76
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77 function occupant_mt:get_presence(real_jid)
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78 return self.sessions[real_jid or self.jid]
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79 end
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80
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81 return {
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82 new = new_occupant;
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83 copy = copy_occupant;
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84 mt = occupant_mt;
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85 }