File

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−-- Prosody IM
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−-- Copyright (C) 2008-2010 Matthew Wild
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−-- Copyright (C) 2008-2010 Waqas Hussain
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−-- Copyright (C) 2014 Daurnimator
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−--
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−-- This project is MIT/X11 licensed. Please see the
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−-- COPYING file in the source package for more information.
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−--
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−
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−local st = require "prosody.util.stanza";
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−local jid_resource = require "prosody.util.jid".resource;
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−
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−module:hook("muc-disco#info", function(event)
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−	event.reply:tag("feature", {var = "http://jabber.org/protocol/muc#request"}):up();
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−end);
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−
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−local voice_request_form = require "prosody.util.dataforms".new({
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−	title = "Voice Request";
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−	{
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−		name = "FORM_TYPE";
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−		type = "hidden";
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−		value = "http://jabber.org/protocol/muc#request";
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−	},
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−	{
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−		name = "muc#jid";
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−		type = "jid-single";
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−		label = "User ID";
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−		desc = "The user's JID (address)";
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−	},
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−	{
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−		name = "muc#roomnick";
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−		type = "text-single";
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−		label = "Room nickname";
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−		desc = "The user's nickname within the room";
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−	},
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−	{
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−		name = "muc#role";
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−		type = "list-single";
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−		label = "Requested role";
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−		value = "participant";
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−		options = {
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−			"none",
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−			"visitor",
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−			"participant",
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−			"moderator",
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−		};
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−	},
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−	{
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−		name = "muc#request_allow";
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−		type = "boolean";
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−		label = "Grant voice to this person?";
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−		desc = "Specify whether this person is able to speak in a moderated room";
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−		value = false;
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−	}
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−});
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−
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−local function handle_request(room, origin, stanza, form)
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−	local occupant = room:get_occupant_by_real_jid(stanza.attr.from);
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−	local fields = voice_request_form:data(form);
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−	local event = {
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−		room = room;
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−		origin = origin;
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−		stanza = stanza;
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−		fields = fields;
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−		occupant = occupant;
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−	};
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−	if occupant.role == "moderator" then
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−		module:log("debug", "%s responded to a voice request in %s", jid_resource(occupant.nick), room.jid);
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−		module:fire_event("muc-voice-response", event);
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−	else
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−		module:log("debug", "%s requested voice in %s", jid_resource(occupant.nick), room.jid);
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−		module:fire_event("muc-voice-request", event);
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−	end
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−end
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−
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−module:hook("muc-voice-request", function(event)
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−	if event.occupant.role == "visitor" then
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−		local nick = jid_resource(event.occupant.nick);
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−		local formdata = {
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−			["muc#jid"] = event.stanza.attr.from;
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−			["muc#roomnick"] = nick;
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−		};
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−
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−		local message = st.message({ type = "normal"; from = event.room.jid })
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−			:add_child(voice_request_form:form(formdata));
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−
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−		event.room:broadcast(message, function (_, occupant)
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−			return occupant.role == "moderator";
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−		end);
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−	end
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−end);
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−
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−module:hook("muc-voice-response", function(event)
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−	local actor = event.stanza.attr.from;
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−	local affected_occupant = event.room:get_occupant_by_real_jid(event.fields["muc#jid"]);
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−	local occupant = event.occupant;
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−
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−	if occupant.role ~= "moderator" then
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−		module:log("debug", "%s tried to grant voice but wasn't a moderator", jid_resource(occupant.nick));
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−		return;
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−	end
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−
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−	if not event.fields["muc#request_allow"] then
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−		module:log("debug", "%s did not grant voice", jid_resource(occupant.nick));
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−		return;
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−	end
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−
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−	if not affected_occupant then
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−		module:log("debug", "%s tried to grant voice to unknown occupant %s",
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−			jid_resource(occupant.nick), event.fields["muc#jid"]);
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−		return;
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−	end
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−
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−	if affected_occupant.role ~= "visitor" then
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−		module:log("debug", "%s tried to grant voice to %s but they already have it",
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−			jid_resource(occupant.nick), jid_resource(occupant.jid));
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−		return;
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−	end
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−
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−	module:log("debug", "%s granted voice to %s", jid_resource(event.occupant.nick), jid_resource(occupant.jid));
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−	local ok, errtype, err = event.room:set_role(actor, affected_occupant.nick, "participant", "Voice granted");
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−
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−	if not ok then
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−		module:log("debug", "Error granting voice: %s", err or errtype);
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−		event.origin.send(st.error_reply(event.stanza, errtype, err));
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−	end
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−end);
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−
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−
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−return {
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−	handle_request = handle_request;
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−};