view mod_muc_webchat_url/mod_muc_webchat_url.lua @ 5296:0f5657db1cfc

mod_isolate_host: handle server-generated stanzas The hook for setting the no_host_isolation is only called for c2s sessions. This does not work for stanzas generated by the server, such as PEP notifications or presence probe answers. To handle that, we do per-stanza checks for the case that the origin is local.
author Jonas Schäfer <jonas@wielicki.name>
date Sat, 01 Apr 2023 12:03:08 +0200
parents dcafddc31b1c
children
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local jid_split = require "util.jid".split;
module:depends"muc";

local webchat_baseurl = module:get_option_string("muc_webchat_baseurl", nil);

local function get_default_url(room)
	if not webchat_baseurl then
		-- no template
		return nil;
	end
	if room:get_hidden() or room:get_members_only() or room:get_password() then
		-- not a public room
		return nil;
	end
	return (webchat_baseurl:gsub("{(%w+)}", {
			jid = room.jid,
			node = select(1, jid_split(room.jid)),
			host = select(2, jid_split(room.jid)),
		}));
end

local function get_webchat_url(room)
	local webchat_url = room._data.webchat_url;
	if webchat_url then -- explicitly configured
		return webchat_url;
	end
	return get_default_url(room);
end

module:hook("muc-config-form", function(event)
	local room, form = event.room, event.form;
	table.insert(form, {
		name = "muc#roomconfig_webchat_url",
		type = "text-single",
		label = "URL where this room can be joined",
		datatype = "xs:anyURI",
		value = get_webchat_url(room),
	});
end);

module:hook("muc-config-submitted", function(event)
	local room, fields, changed = event.room, event.fields, event.changed;
	local new = fields["muc#roomconfig_webchat_url"];
	if new ~= get_webchat_url(room) then
		if new == get_default_url(room) then
			room._data.webchat_url = nil;
		else
			room._data.webchat_url = new;
		end
		if type(changed) == "table" then
			changed["muc#roomconfig_webchat_url"] = true;
		else
			event.changed = true;
		end
	end
end);

module:hook("muc-disco#info", function (event)
	local room, form, formdata = event.room, event.form, event.formdata;

	local webchat_url = get_webchat_url(room);
	if not webchat_url or webchat_url == "" then
		return;
	end
	table.insert(form, {
		name = "muc#roominfo_webchat_url",
	});
	formdata["muc#roominfo_webchat_url"] = webchat_url;
end);