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main.lua @ 35:3faa593c7e0f
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| author | Waqas Hussain <waqas20@gmail.com> |
|---|---|
| date | Wed, 01 Oct 2008 18:51:28 +0500 |
| parent | 34:fd693ef5d978 |
| child | 36:62998e5319e3 |
| 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" | |
| 30 | 16 require "core.modulemanager" |
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17 require "core.usermanager" |
| 30 | 18 require "core.sessionmanager" |
| 19 require "core.stanza_router" | |
| 0 | 20 require "util.stanza" |
| 21 require "util.jid" | |
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22 |
| 0 | 23 -- Locals for faster access -- |
| 24 local t_insert = table.insert; | |
| 25 local t_concat = table.concat; | |
| 26 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 | |
| 27 local m_random = math.random; | |
| 28 local format = string.format; | |
| 29 local st = stanza; | |
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30 local init_xmlhandlers = xmlhandlers.init_xmlhandlers; |
| 0 | 31 ------------------------------ |
| 32 | |
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33 sessions = {}; |
| 0 | 34 hosts = { |
| 35 ["localhost"] = { | |
| 36 type = "local"; | |
| 37 connected = true; | |
| 38 sessions = {}; | |
| 39 }; | |
| 40 ["getjabber.ath.cx"] = { | |
| 41 type = "local"; | |
| 42 connected = true; | |
| 43 sessions = {}; | |
| 44 }; | |
| 45 } | |
| 46 | |
| 47 local hosts, users = hosts, users; | |
| 48 | |
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49 local ssl_ctx = { mode = "server", protocol = "sslv23", key = "/home/matthew/ssl_cert/server.key", |
| 0 | 50 certificate = "/home/matthew/ssl_cert/server.crt", capath = "/etc/ssl/certs", verify = "none", } |
| 51 | |
| 52 | |
| 53 function connect_host(host) | |
| 54 hosts[host] = { type = "remote", sendbuffer = {} }; | |
| 55 end | |
| 56 | |
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57 local function route_stanza(stanza) |
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58 if not stanza.attr.to then |
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59 -- Has no 'to' attribute, handle internally |
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60 end |
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61 local node, host, resource = jid.split(stanza.attr.to); |
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62 if host and hosts[host] and hosts[host].type == "local" then |
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63 -- Is a local host, handle internally |
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64 |
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65 else |
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66 -- Is not for us or a local user, route accordingly |
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67 end |
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68 end |
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69 |
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70 local function send_to(session, to, stanza) |
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71 local node, host, resource = jid.split(to); |
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72 if not hosts[host] then |
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73 -- s2s |
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74 elseif hosts[host].type == "local" then |
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75 print(" ...is to a local user") |
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76 local destuser = hosts[host].sessions[node]; |
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77 if destuser and destuser.sessions then |
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78 if not destuser.sessions[resource] then |
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79 local best_session; |
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80 for resource, session in pairs(destuser.sessions) do |
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81 if not best_session then best_session = session; |
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82 elseif session.priority >= best_session.priority and session.priority >= 0 then |
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83 best_session = session; |
| 0 | 84 end |
| 85 end | |
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86 if not best_session then |
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87 offlinemessage.new(node, host, stanza); |
| 0 | 88 else |
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89 print("resource '"..resource.."' was not online, have chosen to send to '"..best_session.username.."@"..best_session.host.."/"..best_session.resource.."'"); |
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90 resource = best_session.resource; |
| 0 | 91 end |
| 92 end | |
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93 if destuser.sessions[resource] == session then |
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94 log("warn", "core", "Attempt to send stanza to self, dropping..."); |
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95 else |
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96 print("...sending...", tostring(stanza)); |
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97 --destuser.sessions[resource].conn.write(tostring(data)); |
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98 print(" to conn ", destuser.sessions[resource].conn); |
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99 destuser.sessions[resource].conn.write(tostring(stanza)); |
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100 print("...sent") |
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101 end |
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102 elseif stanza.name == "message" then |
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103 print(" ...will be stored offline"); |
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104 offlinemessage.new(node, host, stanza); |
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105 elseif stanza.name == "iq" then |
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106 print(" ...is an iq"); |
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107 session.send(st.reply(stanza) |
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108 :tag("error", { type = "cancel" }) |
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109 :tag("service-unavailable", { xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas" })); |
| 0 | 110 end |
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111 print(" ...done routing"); |
| 0 | 112 end |
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113 end |
| 0 | 114 |
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115 function handler(conn, data, err) |
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116 local session = sessions[conn]; |
| 7 | 117 |
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118 if not session then |
| 30 | 119 sessions[conn] = sessionmanager.new_session(conn); |
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120 session = sessions[conn]; |
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121 |
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122 -- Logging functions -- |
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123 |
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124 local mainlog, log = log; |
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125 do |
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126 local conn_name = tostring(conn):match("%w+$"); |
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127 log = function (type, area, message) mainlog(type, conn_name, message); end |
| 7 | 128 --log = function () end |
| 0 | 129 end |
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130 local print = function (...) log("info", "core", t_concatall({...}, "\t")); end |
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131 session.log = log; |
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132 |
| 7 | 133 print("Client connected"); |
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134 |
| 30 | 135 session.stanza_dispatch = function (stanza) return core_process_stanza(session, stanza); end |
| 7 | 136 session.xml_handlers = init_xmlhandlers(session); |
| 137 session.parser = lxp.new(session.xml_handlers, ":"); | |
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138 |
| 7 | 139 function session.disconnect(err) |
| 140 if session.last_presence and session.last_presence.attr.type ~= "unavailable" then | |
| 141 local pres = st.presence{ type = "unavailable" }; | |
| 142 if err == "closed" then err = "connection closed"; end | |
| 143 pres:tag("status"):text("Disconnected: "..err); | |
| 144 session.stanza_dispatch(pres); | |
| 145 end | |
| 146 if session.username then | |
| 2 | 147 hosts[session.host].sessions[session.username] = nil; |
| 0 | 148 end |
| 7 | 149 session = nil; |
| 150 print("Disconnected: "..err); | |
| 151 collectgarbage("collect"); | |
| 0 | 152 end |
| 7 | 153 end |
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154 if data then |
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155 session.parser:parse(data); |
| 0 | 156 end |
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157 |
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158 --log("info", "core", "Client disconnected, connection closed"); |
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159 end |
| 0 | 160 |
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161 function disconnect(conn, err) |
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162 sessions[conn].disconnect(err); |
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163 sessions[conn] = nil; |
| 0 | 164 end |
| 165 | |
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166 modulemanager.loadall(); |
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167 |
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168 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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169 |
| 0 | 170 |
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171 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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172 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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173 |
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174 server.add( { listener = protected_handler, disconnect = protected_disconnect }, 5222, "*", 1, nil ) -- server.add will send a status message |
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175 server.add( { listener = protected_handler, disconnect = protected_disconnect }, 5223, "*", 1, ssl_ctx ) -- server.add will send a status message |
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176 |
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177 server.loop(); |