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 _M = {};
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−
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−_M.valid_affiliations = {
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−	outcast = -1;
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−	none = 0;
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−	member = 1;
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−	admin = 2;
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−	owner = 3;
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−};
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−
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−_M.valid_roles = {
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−	none = 0;
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−	visitor = 1;
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−	participant = 2;
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−	moderator = 3;
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−};
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−
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−local kickable_error_conditions = {
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−	["gone"] = true;
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−	["internal-server-error"] = true;
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−	["item-not-found"] = true;
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−	["jid-malformed"] = true;
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−	["recipient-unavailable"] = true;
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−	["redirect"] = true;
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−	["remote-server-not-found"] = true;
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−	["remote-server-timeout"] = true;
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−	["service-unavailable"] = true;
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−	["malformed error"] = true;
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−};
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−function _M.is_kickable_error(stanza)
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−	local cond = select(2, stanza:get_error()) or "malformed error";
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−	return kickable_error_conditions[cond];
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−end
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−
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−local filtered_namespaces = module:shared("filtered-namespaces");
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−filtered_namespaces["http://jabber.org/protocol/muc"] = true;
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−filtered_namespaces["http://jabber.org/protocol/muc#user"] = true;
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−
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−local function muc_ns_filter(tag)
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−	if filtered_namespaces[tag.attr.xmlns] then
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−		return nil;
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−	end
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−	return tag;
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−end
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−function _M.filter_muc_x(stanza)
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−	return stanza:maptags(muc_ns_filter);
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−end
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−
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−function _M.add_filtered_namespace(xmlns)
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−	filtered_namespaces[xmlns] = true;
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−end
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−
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−function _M.only_with_min_role(role)
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−	local min_role_value = _M.valid_roles[role];
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−	return function (nick, occupant) --luacheck: ignore 212/nick
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−		if _M.valid_roles[occupant.role or "none"] >= min_role_value then
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−			return true;
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−		end
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−	end;
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−end
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−
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−return _M;