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main.lua @ 20:6885fd2cf51f
Remove some debugging messages
Connection now closed on error
Removed version='1.0' to keep it working with non-SASL
author | Matthew Wild <mwild1@gmail.com> |
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date | Tue, 26 Aug 2008 16:57:00 +0100 |
parent | 18:ae161e907149 |
child | 30:bcf539295f2d |
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 |
0 | 12 require "core.stanza_dispatch" |
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13 require "core.xmlhandlers" |
0 | 14 require "core.rostermanager" |
15 require "core.offlinemessage" | |
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16 require "core.usermanager" |
0 | 17 require "util.stanza" |
18 require "util.jid" | |
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19 |
0 | 20 -- Locals for faster access -- |
21 local t_insert = table.insert; | |
22 local t_concat = table.concat; | |
23 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 | |
24 local m_random = math.random; | |
25 local format = string.format; | |
26 local st = stanza; | |
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27 local init_xmlhandlers = xmlhandlers.init_xmlhandlers; |
0 | 28 ------------------------------ |
29 | |
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30 sessions = {}; |
0 | 31 hosts = { |
32 ["localhost"] = { | |
33 type = "local"; | |
34 connected = true; | |
35 sessions = {}; | |
36 }; | |
37 ["getjabber.ath.cx"] = { | |
38 type = "local"; | |
39 connected = true; | |
40 sessions = {}; | |
41 }; | |
42 } | |
43 | |
44 local hosts, users = hosts, users; | |
45 | |
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46 local ssl_ctx = { mode = "server", protocol = "sslv23", key = "/home/matthew/ssl_cert/server.key", |
0 | 47 certificate = "/home/matthew/ssl_cert/server.crt", capath = "/etc/ssl/certs", verify = "none", } |
48 | |
49 | |
50 function connect_host(host) | |
51 hosts[host] = { type = "remote", sendbuffer = {} }; | |
52 end | |
53 | |
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54 local function route_stanza(stanza) |
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55 if not stanza.attr.to then |
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56 -- Has no 'to' attribute, handle internally |
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57 end |
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58 local node, host, resource = jid.split(stanza.attr.to); |
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59 if host and hosts[host] and hosts[host].type == "local" then |
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60 -- Is a local host, handle internally |
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61 |
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62 else |
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63 -- Is not for us or a local user, route accordingly |
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64 end |
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65 end |
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66 |
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67 local function send_to(session, to, stanza) |
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68 local node, host, resource = jid.split(to); |
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69 if not hosts[host] then |
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70 -- s2s |
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71 elseif hosts[host].type == "local" then |
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72 print(" ...is to a local user") |
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73 local destuser = hosts[host].sessions[node]; |
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74 if destuser and destuser.sessions then |
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75 if not destuser.sessions[resource] then |
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76 local best_session; |
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77 for resource, session in pairs(destuser.sessions) do |
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78 if not best_session then best_session = session; |
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79 elseif session.priority >= best_session.priority and session.priority >= 0 then |
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80 best_session = session; |
0 | 81 end |
82 end | |
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83 if not best_session then |
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84 offlinemessage.new(node, host, stanza); |
0 | 85 else |
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86 print("resource '"..resource.."' was not online, have chosen to send to '"..best_session.username.."@"..best_session.host.."/"..best_session.resource.."'"); |
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87 resource = best_session.resource; |
0 | 88 end |
89 end | |
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90 if destuser.sessions[resource] == session then |
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91 log("warn", "core", "Attempt to send stanza to self, dropping..."); |
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92 else |
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93 print("...sending...", tostring(stanza)); |
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94 --destuser.sessions[resource].conn.write(tostring(data)); |
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95 print(" to conn ", destuser.sessions[resource].conn); |
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96 destuser.sessions[resource].conn.write(tostring(stanza)); |
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97 print("...sent") |
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98 end |
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99 elseif stanza.name == "message" then |
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100 print(" ...will be stored offline"); |
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101 offlinemessage.new(node, host, stanza); |
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102 elseif stanza.name == "iq" then |
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103 print(" ...is an iq"); |
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104 session.send(st.reply(stanza) |
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105 :tag("error", { type = "cancel" }) |
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106 :tag("service-unavailable", { xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas" })); |
0 | 107 end |
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108 print(" ...done routing"); |
0 | 109 end |
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110 end |
0 | 111 |
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112 function handler(conn, data, err) |
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113 local session = sessions[conn]; |
7 | 114 |
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115 if not session then |
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116 sessions[conn] = { conn = conn, notopen = true, priority = 0 }; |
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117 session = sessions[conn]; |
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118 |
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119 -- Logging functions -- |
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120 |
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121 local mainlog, log = log; |
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122 do |
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123 local conn_name = tostring(conn):match("%w+$"); |
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124 log = function (type, area, message) mainlog(type, conn_name, message); end |
7 | 125 --log = function () end |
0 | 126 end |
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127 local print = function (...) log("info", "core", t_concatall({...}, "\t")); end |
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128 session.log = log; |
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129 |
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130 -- -- -- |
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131 |
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132 -- Send buffers -- |
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133 |
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134 local send = function (data) print("Sending...", tostring(data)); conn.write(tostring(data)); end; |
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135 session.send, session.send_to = send, send_to; |
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136 |
7 | 137 print("Client connected"); |
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138 |
7 | 139 session.stanza_dispatch = init_stanza_dispatcher(session); |
140 session.xml_handlers = init_xmlhandlers(session); | |
141 session.parser = lxp.new(session.xml_handlers, ":"); | |
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142 |
7 | 143 function session.disconnect(err) |
144 if session.last_presence and session.last_presence.attr.type ~= "unavailable" then | |
145 local pres = st.presence{ type = "unavailable" }; | |
146 if err == "closed" then err = "connection closed"; end | |
147 pres:tag("status"):text("Disconnected: "..err); | |
148 session.stanza_dispatch(pres); | |
149 end | |
150 if session.username then | |
2 | 151 hosts[session.host].sessions[session.username] = nil; |
0 | 152 end |
7 | 153 session = nil; |
154 print("Disconnected: "..err); | |
155 collectgarbage("collect"); | |
0 | 156 end |
7 | 157 end |
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158 if data then |
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159 session.parser:parse(data); |
0 | 160 end |
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161 |
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162 --log("info", "core", "Client disconnected, connection closed"); |
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163 end |
0 | 164 |
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165 function disconnect(conn, err) |
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166 sessions[conn].disconnect(err); |
0 | 167 end |
168 | |
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169 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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170 |
0 | 171 |
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172 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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173 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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174 |
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175 server.add( { listener = protected_handler, disconnect = protected_disconnect }, 5222, "*", 1, nil ) -- server.add will send a status message |
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176 server.add( { listener = protected_handler, disconnect = protected_disconnect }, 5223, "*", 1, ssl_ctx ) -- server.add will send a status message |
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177 |
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178 server.loop(); |