prosody
ae161e907149
main.lua

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main.lua @ 18:ae161e907149

Beginning of new routing logic
author Matthew Wild <mwild1@gmail.com>
date Tue, 26 Aug 2008 13:14:43 +0100
parent 12:90f22275f7ae
child 20:6885fd2cf51f
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1 require "luarocks.require"
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2
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3 server = require "net.server"
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4 require "socket"
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5 require "ssl"
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6 require "lxp"
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7
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8 function log(type, area, message)
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9 print(type, area, message);
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10 end
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11
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12 require "core.stanza_dispatch"
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13 local init_xmlhandlers = require "core.xmlhandlers"
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14 require "core.rostermanager"
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15 require "core.offlinemessage"
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16 require "core.usermanager"
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17 require "util.stanza"
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18 require "util.jid"
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19
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20 -- Locals for faster access --
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21 local t_insert = table.insert;
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22 local t_concat = table.concat;
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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
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24 local m_random = math.random;
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25 local format = string.format;
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26 local st = stanza;
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27 ------------------------------
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28
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29 sessions = {};
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30 hosts = {
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31 ["localhost"] = {
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32 type = "local";
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33 connected = true;
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34 sessions = {};
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35 };
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36 ["getjabber.ath.cx"] = {
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37 type = "local";
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38 connected = true;
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39 sessions = {};
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40 };
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41 }
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42
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43 local hosts, users = hosts, users;
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44
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45 local ssl_ctx = { mode = "server", protocol = "sslv23", key = "/home/matthew/ssl_cert/server.key",
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46 certificate = "/home/matthew/ssl_cert/server.crt", capath = "/etc/ssl/certs", verify = "none", }
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47
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48
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49 function connect_host(host)
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50 hosts[host] = { type = "remote", sendbuffer = {} };
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51 end
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52
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53 local function route_stanza(stanza)
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54 if not stanza.attr.to then
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55 -- Has no 'to' attribute, handle internally
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56 end
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57 local node, host, resource = jid.split(stanza.attr.to);
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58 if host and hosts[host] and hosts[host].type == "local" then
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59 -- Is a local host, handle internally
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60
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61 else
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62 -- Is not for us or a local user, route accordingly
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63 end
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64 end
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65
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66 local function send_to(session, to, stanza)
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67 local node, host, resource = jid.split(to);
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68 if not hosts[host] then
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69 -- s2s
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70 elseif hosts[host].type == "local" then
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71 print(" ...is to a local user")
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72 local destuser = hosts[host].sessions[node];
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73 if destuser and destuser.sessions then
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74 if not destuser.sessions[resource] then
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75 local best_session;
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76 for resource, session in pairs(destuser.sessions) do
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77 if not best_session then best_session = session;
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78 elseif session.priority >= best_session.priority and session.priority >= 0 then
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79 best_session = session;
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80 end
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81 end
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82 if not best_session then
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83 offlinemessage.new(node, host, stanza);
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84 else
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85 print("resource '"..resource.."' was not online, have chosen to send to '"..best_session.username.."@"..best_session.host.."/"..best_session.resource.."'");
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86 resource = best_session.resource;
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87 end
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88 end
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89 if destuser.sessions[resource] == session then
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90 log("warn", "core", "Attempt to send stanza to self, dropping...");
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91 else
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92 print("...sending...", tostring(stanza));
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93 --destuser.sessions[resource].conn.write(tostring(data));
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94 print(" to conn ", destuser.sessions[resource].conn);
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95 destuser.sessions[resource].conn.write(tostring(stanza));
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96 print("...sent")
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97 end
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98 elseif stanza.name == "message" then
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99 print(" ...will be stored offline");
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100 offlinemessage.new(node, host, stanza);
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101 elseif stanza.name == "iq" then
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102 print(" ...is an iq");
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103 session.send(st.reply(stanza)
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104 :tag("error", { type = "cancel" })
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105 :tag("service-unavailable", { xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas" }));
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106 end
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107 print(" ...done routing");
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108 end
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109 end
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110
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111 function handler(conn, data, err)
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112 local session = sessions[conn];
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113
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114 if not session then
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115 sessions[conn] = { conn = conn, notopen = true, priority = 0 };
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116 session = sessions[conn];
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117
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118 -- Logging functions --
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119
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120 local mainlog, log = log;
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121 do
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122 local conn_name = tostring(conn):match("%w+$");
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123 log = function (type, area, message) mainlog(type, conn_name, message); end
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124 --log = function () end
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125 end
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126 local print = function (...) log("info", "core", t_concatall({...}, "\t")); end
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127 session.log = log;
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128
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129 -- -- --
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130
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131 -- Send buffers --
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132
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133 local send = function (data) print("Sending...", tostring(data)); conn.write(tostring(data)); end;
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134 session.send, session.send_to = send, send_to;
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135
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136 print("Client connected");
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137
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138 session.stanza_dispatch = init_stanza_dispatcher(session);
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139 session.xml_handlers = init_xmlhandlers(session);
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140 session.parser = lxp.new(session.xml_handlers, ":");
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141
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142 function session.disconnect(err)
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143 if session.last_presence and session.last_presence.attr.type ~= "unavailable" then
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144 local pres = st.presence{ type = "unavailable" };
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145 if err == "closed" then err = "connection closed"; end
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146 pres:tag("status"):text("Disconnected: "..err);
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147 session.stanza_dispatch(pres);
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148 end
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149 if session.username then
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150 hosts[session.host].sessions[session.username] = nil;
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151 end
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152 session = nil;
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153 print("Disconnected: "..err);
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154 collectgarbage("collect");
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155 end
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156 end
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157 if data then
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158 session.parser:parse(data);
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159 end
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160
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161 --log("info", "core", "Client disconnected, connection closed");
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162 end
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163
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164 function disconnect(conn, err)
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165 sessions[conn].disconnect(err);
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166 end
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167
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168 print("ssl_ctx:", type(ssl_ctx));
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170 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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171
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3e3171b59028 First commit, where do you want to go tomorrow?
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172
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173 local protected_handler = function (...) local success, ret = pcall(handler, ...); if not success then print("ERROR on "..tostring((select(1, ...)))..": "..ret); end end;
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174 local protected_disconnect = function (...) local success, ret = pcall(disconnect, ...); if not success then print("ERROR on "..tostring((select(1, ...))).." disconnect: "..ret); end end;
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175
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176 print( server.add( { listener = protected_handler, disconnect = protected_disconnect }, 5222, "*", 1, nil ) ) -- server.add will send a status message
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177 print( server.add( { listener = protected_handler, disconnect = protected_disconnect }, 5223, "*", 1, ssl_ctx ) ) -- server.add will send a status message
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178
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179 server.loop();