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main.lua @ 36:62998e5319e3
Moved hosts to a config file, still need better config though
author | Matthew Wild <mwild1@gmail.com> |
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date | Wed, 01 Oct 2008 22:11:28 +0100 |
parent | 34:fd693ef5d978 |
child | 37:06eadafafefa |
rev | line source |
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0 | 1 require "luarocks.require" |
2 | |
12 | 3 server = require "net.server" |
0 | 4 require "socket" |
5 require "ssl" | |
6 require "lxp" | |
7 | |
8 function log(type, area, message) | |
9 print(type, area, message); | |
10 end | |
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11 |
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12 dofile "lxmppd.cfg" |
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13 |
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14 sessions = {}; |
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15 |
0 | 16 require "core.stanza_dispatch" |
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17 require "core.xmlhandlers" |
0 | 18 require "core.rostermanager" |
19 require "core.offlinemessage" | |
30 | 20 require "core.modulemanager" |
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21 require "core.usermanager" |
30 | 22 require "core.sessionmanager" |
23 require "core.stanza_router" | |
0 | 24 require "util.stanza" |
25 require "util.jid" | |
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26 |
0 | 27 -- Locals for faster access -- |
28 local t_insert = table.insert; | |
29 local t_concat = table.concat; | |
30 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 | |
31 local m_random = math.random; | |
32 local format = string.format; | |
33 local st = stanza; | |
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34 local init_xmlhandlers = xmlhandlers.init_xmlhandlers; |
0 | 35 ------------------------------ |
36 | |
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37 |
0 | 38 |
39 local hosts, users = hosts, users; | |
40 | |
41 function connect_host(host) | |
42 hosts[host] = { type = "remote", sendbuffer = {} }; | |
43 end | |
44 | |
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45 local function route_stanza(stanza) |
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46 if not stanza.attr.to then |
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47 -- Has no 'to' attribute, handle internally |
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48 end |
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49 local node, host, resource = jid.split(stanza.attr.to); |
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50 if host and hosts[host] and hosts[host].type == "local" then |
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51 -- Is a local host, handle internally |
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52 |
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53 else |
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54 -- Is not for us or a local user, route accordingly |
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55 end |
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56 end |
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57 |
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58 local function send_to(session, to, stanza) |
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59 local node, host, resource = jid.split(to); |
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60 if not hosts[host] then |
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61 -- s2s |
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62 elseif hosts[host].type == "local" then |
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63 print(" ...is to a local user") |
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64 local destuser = hosts[host].sessions[node]; |
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65 if destuser and destuser.sessions then |
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66 if not destuser.sessions[resource] then |
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67 local best_session; |
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68 for resource, session in pairs(destuser.sessions) do |
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69 if not best_session then best_session = session; |
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70 elseif session.priority >= best_session.priority and session.priority >= 0 then |
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71 best_session = session; |
0 | 72 end |
73 end | |
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74 if not best_session then |
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75 offlinemessage.new(node, host, stanza); |
0 | 76 else |
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77 print("resource '"..resource.."' was not online, have chosen to send to '"..best_session.username.."@"..best_session.host.."/"..best_session.resource.."'"); |
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78 resource = best_session.resource; |
0 | 79 end |
80 end | |
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81 if destuser.sessions[resource] == session then |
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82 log("warn", "core", "Attempt to send stanza to self, dropping..."); |
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83 else |
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84 print("...sending...", tostring(stanza)); |
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85 --destuser.sessions[resource].conn.write(tostring(data)); |
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86 print(" to conn ", destuser.sessions[resource].conn); |
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87 destuser.sessions[resource].conn.write(tostring(stanza)); |
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88 print("...sent") |
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89 end |
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90 elseif stanza.name == "message" then |
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91 print(" ...will be stored offline"); |
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92 offlinemessage.new(node, host, stanza); |
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93 elseif stanza.name == "iq" then |
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94 print(" ...is an iq"); |
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95 session.send(st.reply(stanza) |
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96 :tag("error", { type = "cancel" }) |
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97 :tag("service-unavailable", { xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas" })); |
0 | 98 end |
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99 print(" ...done routing"); |
0 | 100 end |
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101 end |
0 | 102 |
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103 function handler(conn, data, err) |
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104 local session = sessions[conn]; |
7 | 105 |
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106 if not session then |
30 | 107 sessions[conn] = sessionmanager.new_session(conn); |
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108 session = sessions[conn]; |
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109 |
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110 -- Logging functions -- |
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111 |
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112 local mainlog, log = log; |
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113 do |
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114 local conn_name = tostring(conn):match("%w+$"); |
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115 log = function (type, area, message) mainlog(type, conn_name, message); end |
7 | 116 --log = function () end |
0 | 117 end |
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118 local print = function (...) log("info", "core", t_concatall({...}, "\t")); end |
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119 session.log = log; |
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120 |
7 | 121 print("Client connected"); |
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122 |
30 | 123 session.stanza_dispatch = function (stanza) return core_process_stanza(session, stanza); end |
7 | 124 session.xml_handlers = init_xmlhandlers(session); |
125 session.parser = lxp.new(session.xml_handlers, ":"); | |
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126 |
7 | 127 function session.disconnect(err) |
128 if session.last_presence and session.last_presence.attr.type ~= "unavailable" then | |
129 local pres = st.presence{ type = "unavailable" }; | |
130 if err == "closed" then err = "connection closed"; end | |
131 pres:tag("status"):text("Disconnected: "..err); | |
132 session.stanza_dispatch(pres); | |
133 end | |
134 if session.username then | |
2 | 135 hosts[session.host].sessions[session.username] = nil; |
0 | 136 end |
7 | 137 session = nil; |
138 print("Disconnected: "..err); | |
139 collectgarbage("collect"); | |
0 | 140 end |
7 | 141 end |
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142 if data then |
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143 session.parser:parse(data); |
0 | 144 end |
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145 |
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146 --log("info", "core", "Client disconnected, connection closed"); |
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147 end |
0 | 148 |
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149 function disconnect(conn, err) |
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150 sessions[conn].disconnect(err); |
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151 sessions[conn] = nil; |
0 | 152 end |
153 | |
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154 modulemanager.loadall(); |
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155 |
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156 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 }) --]][][[]][]; |
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157 |
0 | 158 |
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159 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; |
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160 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; |
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161 |
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162 server.add( { listener = protected_handler, disconnect = protected_disconnect }, 5222, "*", 1, nil ) -- server.add will send a status message |
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163 server.add( { listener = protected_handler, disconnect = protected_disconnect }, 5223, "*", 1, ssl_ctx ) -- server.add will send a status message |
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164 |
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165 server.loop(); |