view mod_group_bookmarks/mod_group_bookmarks.lua @ 4813:0a257d1402c3

mod_muc_rtbl: Optimize case with zero hashes On the assumption that during quiet times between torrents of spam, the hash set would be empty. There would be no point in doing the operations and hashes to check for a match in that case.
author Kim Alvefur <zash@zash.se>
date Mon, 06 Dec 2021 18:19:19 +0100
parents ebd78514bbec
children
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-- Prosody IM
-- Copyright (C) 2008-2010 Matthew Wild
-- Copyright (C) 2008-2010 Waqas Hussain
-- Copyright (C) 2018 Emmanuel Gil Peyrot
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--

local st = require "util.stanza"
local dm_load = require "util.datamanager".load
local jid_prep = require "util.jid".prep;

local rooms;
local members;

local bookmarks_file;

module:add_feature("jabber:iq:private");

local function inject_bookmarks(username, host, data)
	local jid = username.."@"..host;
	data:reset();
	if members[jid] then
		for _, room in ipairs(members[jid]) do
			data:tag("conference", {
				name = room;
				jid = room;
				autojoin = "1";
			});
			local nick = rooms[room][jid];
			if nick then
				data:tag("nick"):text(nick):up();
			end
			data:up();
		end
	end
	return data;
end

module:hook("iq-get/self/jabber:iq:private:query", function(event)
	local origin, stanza = event.origin, event.stanza;
	local query = stanza.tags[1];
	if #query.tags == 1 then
		local tag = query.tags[1];
		local key = tag.name..":"..tag.attr.xmlns;
		if key ~= "storage:storage:bookmarks" then
			return;
		end
		local data, err = dm_load(origin.username, origin.host, "private");
		if err then
			origin.send(st.error_reply(stanza, "wait", "internal-server-error"));
			return true;
		end
		local data = data and data[key];
		if not data then
			data = st.stanza("storage", { xmlns = "storage:bookmarks" });
		end
		data = st.deserialize(data);
		data = inject_bookmarks(origin.username, origin.host, data);
		origin.send(st.reply(stanza):tag("query", {xmlns = "jabber:iq:private"})
			:add_child(data));
		return true;
	end
end, 1);

function module.load()
	bookmarks_file = module:get_option_string("group_bookmarks_file");

	rooms = { default = {} };
	members = { };

	if not bookmarks_file then
		module:log("error", "Please specify group_bookmarks_file in your configuration");
		return;
	end

	local curr_room;
	for line in io.lines(bookmarks_file) do
		if line:match("^%s*%[.-%]%s*$") then
			curr_room = line:match("^%s*%[(.-)%]%s*$");
			if curr_room:match("^%+") then
				curr_room = curr_room:gsub("^%+", "");
				if not members[false] then
					members[false] = {};
				end
				members[false][#members[false]+1] = curr_room; -- Is a public group
			end
			module:log("debug", "New group: %s", tostring(curr_room));
			rooms[curr_room] = rooms[curr_room] or {};
		elseif curr_room then
			-- Add JID
			local entryjid, name = line:match("([^=]*)=?(.*)");
			module:log("debug", "entryjid = '%s', name = '%s'", entryjid, name);
			local jid = jid_prep(entryjid:match("%S+"));
			if jid then
				module:log("debug", "New member of %s: %s", tostring(curr_room), tostring(jid));
				rooms[curr_room][jid] = name or false;
				members[jid] = members[jid] or {};
				members[jid][#members[jid]+1] = curr_room;
			end
		end
	end
	module:log("info", "Group bookmarks loaded successfully");
end