Mercurial > prosody-modules

annotate mod_muc_restrict_rooms/mod_muc_restrict_rooms.lua @ 5271:3a1df3adad0c

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mod_http_oauth2: Allow user to decide which requested scopes to grant These should at the very least be shown to the user, so they can decide whether to grant them. Considered whether to filter the requested scopes down to actually understood scopes that would be granted, but decided that this was a bit complex for a first step, since role role selection and other kinds of scopes are mixed into the same field here.
author Kim Alvefur <zash@zash.se>
date Thu, 23 Mar 2023 16:28:08 +0100
parents 79adec50b24d
children
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1 local st = require "util.stanza";
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2 local jid = require "util.jid";
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3 local nodeprep = require "util.encodings".stringprep.nodeprep;
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4
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5 local rooms = module:shared "muc/rooms";
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6 if not rooms then
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7 module:log("error", "This module only works on MUC components!");
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8 return;
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9 end
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11 local restrict_patterns = module:get_option("muc_restrict_matching", {});
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12 local restrict_excepts = module:get_option_set("muc_restrict_exceptions", {});
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13 local restrict_allow_admins = module:get_option_boolean("muc_restrict_allow_admins", false);
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15 local function is_restricted(room, who)
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16 -- If admins can join prohibited rooms, we allow them to
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17 if restrict_allow_admins and usermanager.is_admin(who, module.host) then
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18 module:log("debug", "Admins are allowed to enter restricted rooms (%s on %s)", who, room)
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19 return nil;
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20 end
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22 -- Don't evaluate exceptions
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23 if restrict_excepts:contains(room) then
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24 module:log("debug", "Room %s is amongst restriction exceptions", room())
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25 return nil;
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26 end
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28 -- Evaluate regexps of restricted patterns
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29 for pattern,reason in pairs(restrict_patterns) do
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30 if room:match(pattern) then
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31 module:log("debug", "Room %s is restricted by pattern %s, user %s is not allowed to join (%s)", room, pattern, who, reason)
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32 return reason;
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33 end
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34 end
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35
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36 return nil
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37 end
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39 module:hook("presence/full", function(event)
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40 local stanza = event.stanza;
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42 if stanza.name == "presence" and stanza.attr.type == "unavailable" then -- Leaving events get discarded
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43 return;
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44 end
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46 -- Get the room
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47 local room = jid.split(stanza.attr.to);
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48 if not room then return; end
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50 -- Get who has tried to join it
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51 local who = jid.bare(stanza.attr.from)
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52
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53 -- Checking whether room is restricted
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54 local check_restricted = is_restricted(room, who)
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55 if check_restricted ~= nil then
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56 event.allowed = false;
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57 event.stanza.attr.type = 'error';
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58 return event.origin.send(st.error_reply(event.stanza, "cancel", "forbidden", "You're not allowed to enter this room: " .. check_restricted));
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59 end
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60 end, 10);