-require "luarocks.require"
+pcall(require, "luarocks.require")
-server = require "net.server"
+local server = require "net.server"
+require "lxp"
require "socket"
require "ssl"
-require "lxp"
function log(type, area, message)
print(type, area, message);
end
+dofile "lxmppd.cfg"
+
+-- Maps connections to sessions --
+sessions = {};
+
+-- Load and initialise core modules --
+
+require "util.import"
require "core.stanza_dispatch"
-local init_xmlhandlers = require "core.xmlhandlers"
+require "core.xmlhandlers"
require "core.rostermanager"
require "core.offlinemessage"
+require "core.modulemanager"
require "core.usermanager"
+require "core.sessionmanager"
+require "core.stanza_router"
+
+local start = require "net.connlisteners".start;
require "util.stanza"
require "util.jid"
+------------------------------------------------------------------------
+
-- Locals for faster access --
local t_insert = table.insert;
local t_concat = table.concat;
local t_concatall = function (t, sep) local tt = {}; for _, s in ipairs(t) do t_insert(tt, tostring(s)); end return t_concat(tt, sep); end
local m_random = math.random;
local format = string.format;
+local sm_new_session, sm_destroy_session = sessionmanager.new_session, sessionmanager.destroy_session; --import("core.sessionmanager", "new_session", "destroy_session");
local st = stanza;
------------------------------
-sessions = {};
-hosts = {
- ["localhost"] = {
- type = "local";
- connected = true;
- sessions = {};
- };
- ["getjabber.ath.cx"] = {
- type = "local";
- connected = true;
- sessions = {};
- };
- }
-
-local hosts, users = hosts, users;
-
-local ssl_ctx = { mode = "server", protocol = "sslv23", key = "/home/matthew/ssl_cert/server.key",
- certificate = "/home/matthew/ssl_cert/server.crt", capath = "/etc/ssl/certs", verify = "none", }
-
-
-function connect_host(host)
- hosts[host] = { type = "remote", sendbuffer = {} };
-end
-
-local function send_to(session, to, stanza)
- local node, host, resource = jid.split(to);
- if not hosts[host] then
- -- s2s
- elseif hosts[host].type == "local" then
- print(" ...is to a local user")
- local destuser = hosts[host].sessions[node];
- if destuser and destuser.sessions then
- if not destuser.sessions[resource] then
- local best_session;
- for resource, session in pairs(destuser.sessions) do
- if not best_session then best_session = session;
- elseif session.priority >= best_session.priority and session.priority >= 0 then
- best_session = session;
- end
- end
- if not best_session then
- offlinemessage.new(node, host, stanza);
- else
- print("resource '"..resource.."' was not online, have chosen to send to '"..best_session.username.."@"..best_session.host.."/"..best_session.resource.."'");
- resource = best_session.resource;
- end
- end
- if destuser.sessions[resource] == session then
- log("warn", "core", "Attempt to send stanza to self, dropping...");
- else
- print("...sending...", tostring(stanza));
- --destuser.sessions[resource].conn.write(tostring(data));
- print(" to conn ", destuser.sessions[resource].conn);
- destuser.sessions[resource].conn.write(tostring(stanza));
- print("...sent")
- end
- elseif stanza.name == "message" then
- print(" ...will be stored offline");
- offlinemessage.new(node, host, stanza);
- elseif stanza.name == "iq" then
- print(" ...is an iq");
- session.send(st.reply(stanza)
- :tag("error", { type = "cancel" })
- :tag("service-unavailable", { xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas" }));
- end
- print(" ...done routing");
- end
-end
-
-function handler(conn, data, err)
- local session = sessions[conn];
-
- if not session then
- sessions[conn] = { conn = conn, notopen = true, priority = 0 };
- session = sessions[conn];
-
- -- Logging functions --
-
- local mainlog, log = log;
- do
- local conn_name = tostring(conn):match("%w+$");
- log = function (type, area, message) mainlog(type, conn_name, message); end
- --log = function () end
- end
- local print = function (...) log("info", "core", t_concatall({...}, "\t")); end
- session.log = log;
-
- -- -- --
-
- -- Send buffers --
-
- local send = function (data) print("Sending...", tostring(data)); conn.write(tostring(data)); end;
- session.send, session.send_to = send, send_to;
-
- print("Client connected");
-
- session.stanza_dispatch = init_stanza_dispatcher(session);
- session.xml_handlers = init_xmlhandlers(session);
- session.parser = lxp.new(session.xml_handlers, ":");
-
- function session.disconnect(err)
- if session.last_presence and session.last_presence.attr.type ~= "unavailable" then
- local pres = st.presence{ type = "unavailable" };
- if err == "closed" then err = "connection closed"; end
- pres:tag("status"):text("Disconnected: "..err);
- session.stanza_dispatch(pres);
- end
- if session.username then
- hosts[session.host].sessions[session.username] = nil;
- end
- session = nil;
- print("Disconnected: "..err);
- collectgarbage("collect");
- end
- end
- if data then
- session.parser:parse(data);
- end
-
- --log("info", "core", "Client disconnected, connection closed");
-end
-
-function disconnect(conn, err)
- sessions[conn].disconnect(err);
-end
+local hosts, sessions = hosts, sessions;
-print("ssl_ctx:", type(ssl_ctx));
+-- Initialise modules
+modulemanager.loadall();
setmetatable(_G, { __index = function (t, k) print("WARNING: ATTEMPT TO READ A NIL GLOBAL!!!", k); error("Attempt to read a non-existent global. Naughty boy.", 2); end, __newindex = function (t, k, v) print("ATTEMPT TO SET A GLOBAL!!!!", tostring(k).." = "..tostring(v)); error("Attempt to set a global. Naughty boy.", 2); end }) --]][][[]][];
-local protected_handler = function (...) local success, ret = pcall(handler, ...); if not success then print("ERROR on "..tostring((select(1, ...)))..": "..ret); end end;
-local protected_disconnect = function (...) local success, ret = pcall(disconnect, ...); if not success then print("ERROR on "..tostring((select(1, ...))).." disconnect: "..ret); end end;
+local protected_handler = function (conn, data, err) local success, ret = pcall(handler, conn, data, err); if not success then print("ERROR on "..tostring(conn)..": "..ret); conn:close(); end end;
+local protected_disconnect = function (conn, err) local success, ret = pcall(disconnect, conn, err); if not success then print("ERROR on "..tostring(conn).." disconnect: "..ret); conn:close(); end end;
-print( server.add( { listener = protected_handler, disconnect = protected_disconnect }, 5222, "*", 1, nil ) ) -- server.add will send a status message
-print( server.add( { listener = protected_handler, disconnect = protected_disconnect }, 5223, "*", 1, ssl_ctx ) ) -- server.add will send a status message
+start("xmppclient", { ssl = ssl_ctx })
+start("xmppserver", { ssl = ssl_ctx })
server.loop();