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main.lua @ 2:9bb397205f26
Working presence!
author | matthew |
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date | Sun, 24 Aug 2008 04:34:01 +0000 (2008-08-24) |
parent | 1:b8787e859fd2 |
child | 4:09c3845ed442 |
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require "luarocks.require" server = require "server" require "socket" require "ssl" require "lxp" function log(type, area, message) print(type, area, message); end require "core.stanza_dispatch" init_xmlhandlers = require "core.xmlhandlers" require "core.rostermanager" require "core.offlinemessage" require "core.usermanager" 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 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, msg = ssl.newcontext { mode = "server", protocol = "sslv23", key = "/home/matthew/ssl_cert/server.key", -- certificate = "/home/matthew/ssl_cert/server.crt", capath = "/etc/ssl/certs", verify = "none", } -- --if not ssl_ctx then error("Failed to initialise SSL/TLS support: "..tostring(msg)); end 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 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) hosts[session.host].sessions[session.username] = nil; session = nil; print("Disconnected: "..err); 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 print("ssl_ctx:", type(ssl_ctx)); 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; print( server.add( { listener = protected_handler, disconnect = disconnect }, 5222, "*", 1, nil ) ) -- server.add will send a status message print( server.add( { listener = protected_handler, disconnect = disconnect }, 5223, "*", 1, ssl_ctx ) ) -- server.add will send a status message server.loop();