#!/usr/bin/env lua

-- Prosody IM v0.1

-- Copyright (C) 2008 Matthew Wild

-- Copyright (C) 2008 Waqas Hussain

-- 

-- This program is free software; you can redistribute it and/or

-- modify it under the terms of the GNU General Public License

-- as published by the Free Software Foundation; either version 2

-- of the License, or (at your option) any later version.

-- 

-- This program is distributed in the hope that it will be useful,

-- but WITHOUT ANY WARRANTY; without even the implied warranty of

-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

-- GNU General Public License for more details.

-- 

-- You should have received a copy of the GNU General Public License

-- along with this program; if not, write to the Free Software

-- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

--

-- Config here --

CFG_SOURCEDIR=nil;

CFG_CONFIGDIR=os.getenv("PROSODY_CFGDIR");

CFG_PLUGINDIR=nil;

CFG_DATADIR=os.getenv("PROSODY_DATADIR");

-- -- -- -- -- --

if CFG_SOURCEDIR then

	package.path = CFG_SOURCEDIR.."/?.lua;"..package.path

	package.cpath = CFG_SOURCEDIR.."/?.so;"..package.cpath

end

if CFG_DATADIR then

	if os.getenv("HOME") then

		CFG_DATADIR = CFG_DATADIR:gsub("^~", os.getenv("HOME"));

	end

end

-- Required to be able to find packages installed with luarocks

pcall(require, "luarocks.require")

config = require "core.configmanager"

log = require "util.logger".init("general");

do

	-- TODO: Check for other formats when we add support for them

	-- Use lfs? Make a new conf/ dir?

	local ok, err = config.load((CFG_CONFIGDIR or ".").."/prosody.cfg.lua");

	if not ok then

		log("error", "Couldn't load config file: %s", err);

		log("info", "Falling back to old config file format...")

		ok, err = pcall(dofile, "lxmppd.cfg");

		if not ok then

			log("error", "Old config format loading failed too: %s", err);

		else

			for _, host in ipairs(_G.config.hosts) do

				config.set(host, "core", "defined", true);

			end

			config.set("*", "core", "modules_enabled", _G.config.modules);

			config.set("*", "core", "ssl", _G.config.ssl_ctx);

		end

	end

end

local server = require "net.server"

require "util.dependencies"

-- Maps connections to sessions --

sessions = {};

hosts = {};

-- Load and initialise core modules --

require "util.import"

require "core.xmlhandlers"

require "core.rostermanager"

require "core.offlinemessage"

require "core.eventmanager"

require "core.hostmanager"

require "core.modulemanager"

require "core.usermanager"

require "core.sessionmanager"

require "core.stanza_router"

--[[

pcall(require, "remdebug.engine");

if remdebug then remdebug.engine.start() end

]]

local cl = require "net.connlisteners";

require "util.stanza"

require "util.jid"

------------------------------------------------------------------------

------------- Begin code without a home ---------------------

local data_path = config.get("*", "core", "data_path") or CFG_DATADIR or "data";

require "util.datamanager".set_data_path(data_path);

local path_separator = "/"; if os.getenv("WINDIR") then path_separator = "\\" end

local _mkdir = {}

function mkdir(path)

	path = path:gsub("/", path_separator);

	local x = io.popen("mkdir \""..path.."\" 2>&1"):read("*a");

end

function encode(s) return s and (s:gsub("%W", function (c) return string.format("%%%x", c:byte()); end)); end

function mkdirs(host)

	if not _mkdir[host] then

		local host_dir = string.format("%s/%s", data_path, encode(host));

		mkdir(host_dir);

		mkdir(host_dir.."/accounts");

		mkdir(host_dir.."/vcard");

		mkdir(host_dir.."/roster");

		mkdir(host_dir.."/private");

		mkdir(host_dir.."/offline");

		_mkdir[host] = true;

	end

end

mkdir(data_path);

eventmanager.add_event_hook("host-activated", mkdirs);

----------- End of out-of-place code --------------

eventmanager.fire_event("server-starting");

-- setup error handling

setmetatable(_G, { __index = function (t, k) error("Attempt to read a non-existent global '"..k.."'", 2); end, __newindex = function (t, k, v) error("Attempt to set a global: "..tostring(k).." = "..tostring(v), 2); end });

local global_ssl_ctx = config.get("*", "core", "ssl");

if global_ssl_ctx then

	local default_ssl_ctx = { mode = "server", protocol = "sslv23", capath = "/etc/ssl/certs", verify = "none"; };

	setmetatable(global_ssl_ctx, { __index = default_ssl_ctx });

end

-- start listening on sockets

local function do_ports(option, listener, default, key)

	local ports = config.get("*", "core", option) or default;

	--if type(ports) == "number" then ports = {ports} end;

	if type(ports) ~= "table" then

		log("error", "core."..option.." is not a table");

	else

		for _, port in ipairs(ports) do

			if type(port) ~= "number" then

				log("error", "Non-numeric "..option..": "..tostring(port));

			else

				cl.start(listener, { ssl = global_ssl_ctx, [key] = port });

			end

		end

	end

end

do_ports("c2s_ports", "xmppclient", {5222}, "port");

do_ports("s2s_ports", "xmppserver", {5269}, "port");

do_ports("legacy_ssl_ports", "xmppclient", {}, "legacy_ssl_port");

if config.get("*", "core", "console_enabled") then

	if cl.get("console") then

		cl.start("console")

	else

		log("error", "Console is enabled, but the console module appears not to be loaded");

	end

end

eventmanager.fire_event("server-started");

server.loop();