view mod_muc_webchat_url/mod_muc_webchat_url.lua @ 5186:fa3059e653fa

mod_http_oauth2: Implement the Implicit flow Everyone says this is insecure and bad, but it's also the only thing that makes sense for e.g. pure JavaScript clients, but hey implement this even more complicated thing instead!
author Kim Alvefur <zash@zash.se>
date Thu, 02 Mar 2023 22:06:50 +0100
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);