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annotate mod_muc_block_pm/mod_muc_block_pm.lua @ 5511:0860497152af

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mod_http_oauth2: Record hash of client_id to allow future verification RFC 6819 section 5.2.2.2 states that refresh tokens MUST be bound to the client. In order to do that, we must record something that can definitely tie the client to the grant. Since the full client_id is so large (why we have this client_subset function), a hash is stored instead.
author Kim Alvefur <zash@zash.se>
date Fri, 02 Jun 2023 10:14:16 +0200
parents 291a45919988
children c7e532ac6bf7
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69d3e0037435 mod_muc_block_pm: Prevent unaffiliated users from sending private messages in MUC
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1 local bare_jid = require"util.jid".bare;
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2 local st = require"util.stanza";
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3
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4 -- Support both old and new MUC code
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5 local mod_muc = module:depends"muc";
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6 local rooms = rawget(mod_muc, "rooms");
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7 local get_room_from_jid = rawget(mod_muc, "get_room_from_jid") or
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8 function (jid)
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9 return rooms[jid];
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10 end
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11
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12 module:hook("message/full", function(event)
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13 local stanza, origin = event.stanza, event.origin;
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14 if stanza.attr.type == "error" then
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15 return
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16 end
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17 local to, from = stanza.attr.to, stanza.attr.from;
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18 local room = get_room_from_jid(bare_jid(to));
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19 local to_occupant = room and room._occupants[to];
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20 local from_occupant = room and room._occupants[room._jid_nick[from]]
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21 if not ( to_occupant and from_occupant ) then return end
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22
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23 if from_occupant.affiliation then
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24 to_occupant._pm_block_override = true;
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25 elseif not from_occupant._pm_block_override then
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26 origin.send(st.error_reply(stanza, "cancel", "not-authorized", "Private messages are disabled"));
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27 return true;
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28 end
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29 end, 1);