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0e69336f94
* JIT-14750 Do not show names to visitors * apply review * change name and email too * fix: Fix filtering initial presence to vnodes. * Also strip stats-id and identity.user.name. * Move filtering logic to a util, filter all identity in main room --------- Co-authored-by: Boris Grozev <boris@jitsi.org>
76 lines
2.9 KiB
Lua
76 lines
2.9 KiB
Lua
--- This module removes identity information from presence stanzas when the
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--- hideDisplayNameForAll or hideDisplayNameForGuests options are enabled
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--- for a room.
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--- To be enabled under the main muc component
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local filters = require 'util.filters';
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local st = require 'util.stanza';
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local util = module:require 'util';
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local filter_identity_from_presence = util.filter_identity_from_presence;
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local get_room_by_name_and_subdomain = util.get_room_by_name_and_subdomain;
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local is_admin = util.is_admin;
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local ends_with = util.ends_with;
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local internal_room_jid_match_rewrite = util.internal_room_jid_match_rewrite;
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-- we need to get the shared resource for joining moderators, as participants are marked as moderators
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-- after joining which is after the filter for stanza/out, but we need to know will this participant be a moderator
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local joining_moderator_participants = module:shared('moderators/joining_moderator_participants');
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--- Filter presence sent to non-moderator members of a room when the hideDisplayNameForGuests option is set.
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function filter_stanza_out(stanza, session)
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if stanza.name ~= 'presence' or stanza.attr.type == 'error'
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or stanza.attr.type == 'unavailable' or ends_with(stanza.attr.from, '/focus') then
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return stanza;
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end
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local room = get_room_by_name_and_subdomain(session.jitsi_web_query_room, session.jitsi_web_query_prefix);
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if not room or room._data.hideDisplayNameForGuests ~= true then
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return stanza;
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end
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local occupant = room:get_occupant_by_real_jid(stanza.attr.to);
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if occupant then
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if stanza.attr.from == internal_room_jid_match_rewrite(occupant.nick) then
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-- we ignore self-presences, in this case and role will not be correct
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return stanza;
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end
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if occupant.role ~= 'moderator' and not joining_moderator_participants[occupant.bare_jid] then
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return filter_identity_from_presence(stanza);
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end
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end
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return stanza;
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end
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--- Filter presence received from anyone in a room when the hideDisplayNameForAll option is set.
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function filter_stanza_in(stanza, session)
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if stanza.name ~= 'presence' or stanza.attr.type == 'error' or stanza.attr.type == 'unavailable' then
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return stanza;
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end
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local room = get_room_by_name_and_subdomain(session.jitsi_web_query_room, session.jitsi_web_query_prefix);
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-- if hideDisplayNameForAll we want to drop any display name from the presence stanza
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if room and room._data.hideDisplayNameForAll == true then
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return filter_identity_from_presence(stanza);
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end
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return stanza;
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end
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function filter_session(session)
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filters.add_filter(session, 'stanzas/out', filter_stanza_out, -100);
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filters.add_filter(session, 'stanzas/in', filter_stanza_in, -100);
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end
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function module.load()
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filters.add_filter_hook(filter_session);
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end
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function module.unload()
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filters.remove_filter_hook(filter_session);
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end
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