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main.lua @ 11:67460500abdd
Remove redundant comments
author | Matthew Wild <mwild1@gmail.com> |
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date | Mon, 25 Aug 2008 02:10:50 +0100 |
parent | 7:dcc5ac721c20 |
child | 12:90f22275f7ae |
rev | line source |
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0 | 1 require "luarocks.require" |
2 | |
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3 server = require "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 | |
11 | |
12 require "core.stanza_dispatch" | |
7 | 13 local init_xmlhandlers = 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" | |
19 | |
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; | |
27 ------------------------------ | |
28 | |
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29 sessions = {}; |
0 | 30 hosts = { |
31 ["localhost"] = { | |
32 type = "local"; | |
33 connected = true; | |
34 sessions = {}; | |
35 }; | |
36 ["getjabber.ath.cx"] = { | |
37 type = "local"; | |
38 connected = true; | |
39 sessions = {}; | |
40 }; | |
41 } | |
42 | |
43 local hosts, users = hosts, users; | |
44 | |
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45 local ssl_ctx = { mode = "server", protocol = "sslv23", key = "/home/matthew/ssl_cert/server.key", |
0 | 46 certificate = "/home/matthew/ssl_cert/server.crt", capath = "/etc/ssl/certs", verify = "none", } |
47 | |
48 | |
49 function connect_host(host) | |
50 hosts[host] = { type = "remote", sendbuffer = {} }; | |
51 end | |
52 | |
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53 local function send_to(session, to, stanza) |
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54 local node, host, resource = jid.split(to); |
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55 if not hosts[host] then |
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56 -- s2s |
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57 elseif hosts[host].type == "local" then |
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58 print(" ...is to a local user") |
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59 local destuser = hosts[host].sessions[node]; |
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60 if destuser and destuser.sessions then |
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61 if not destuser.sessions[resource] then |
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62 local best_session; |
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63 for resource, session in pairs(destuser.sessions) do |
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64 if not best_session then best_session = session; |
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65 elseif session.priority >= best_session.priority and session.priority >= 0 then |
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66 best_session = session; |
0 | 67 end |
68 end | |
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69 if not best_session then |
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70 offlinemessage.new(node, host, stanza); |
0 | 71 else |
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72 print("resource '"..resource.."' was not online, have chosen to send to '"..best_session.username.."@"..best_session.host.."/"..best_session.resource.."'"); |
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73 resource = best_session.resource; |
0 | 74 end |
75 end | |
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76 if destuser.sessions[resource] == session then |
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77 log("warn", "core", "Attempt to send stanza to self, dropping..."); |
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78 else |
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79 print("...sending...", tostring(stanza)); |
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80 --destuser.sessions[resource].conn.write(tostring(data)); |
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81 print(" to conn ", destuser.sessions[resource].conn); |
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82 destuser.sessions[resource].conn.write(tostring(stanza)); |
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83 print("...sent") |
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84 end |
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85 elseif stanza.name == "message" then |
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86 print(" ...will be stored offline"); |
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87 offlinemessage.new(node, host, stanza); |
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88 elseif stanza.name == "iq" then |
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89 print(" ...is an iq"); |
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90 session.send(st.reply(stanza) |
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91 :tag("error", { type = "cancel" }) |
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92 :tag("service-unavailable", { xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas" })); |
0 | 93 end |
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94 print(" ...done routing"); |
0 | 95 end |
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96 end |
0 | 97 |
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98 function handler(conn, data, err) |
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99 local session = sessions[conn]; |
7 | 100 |
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101 if not session then |
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102 sessions[conn] = { conn = conn, notopen = true, priority = 0 }; |
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103 session = sessions[conn]; |
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104 |
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105 -- Logging functions -- |
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106 |
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107 local mainlog, log = log; |
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108 do |
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109 local conn_name = tostring(conn):match("%w+$"); |
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110 log = function (type, area, message) mainlog(type, conn_name, message); end |
7 | 111 --log = function () end |
0 | 112 end |
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113 local print = function (...) log("info", "core", t_concatall({...}, "\t")); end |
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114 session.log = log; |
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115 |
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116 -- -- -- |
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117 |
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118 -- Send buffers -- |
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119 |
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120 local send = function (data) print("Sending...", tostring(data)); conn.write(tostring(data)); end; |
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121 session.send, session.send_to = send, send_to; |
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122 |
7 | 123 print("Client connected"); |
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124 |
7 | 125 session.stanza_dispatch = init_stanza_dispatcher(session); |
126 session.xml_handlers = init_xmlhandlers(session); | |
127 session.parser = lxp.new(session.xml_handlers, ":"); | |
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128 |
7 | 129 function session.disconnect(err) |
130 if session.last_presence and session.last_presence.attr.type ~= "unavailable" then | |
131 local pres = st.presence{ type = "unavailable" }; | |
132 if err == "closed" then err = "connection closed"; end | |
133 pres:tag("status"):text("Disconnected: "..err); | |
134 session.stanza_dispatch(pres); | |
135 end | |
136 if session.username then | |
2 | 137 hosts[session.host].sessions[session.username] = nil; |
0 | 138 end |
7 | 139 session = nil; |
140 print("Disconnected: "..err); | |
141 collectgarbage("collect"); | |
0 | 142 end |
7 | 143 end |
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144 if data then |
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145 session.parser:parse(data); |
0 | 146 end |
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147 |
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148 --log("info", "core", "Client disconnected, connection closed"); |
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149 end |
0 | 150 |
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151 function disconnect(conn, err) |
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152 sessions[conn].disconnect(err); |
0 | 153 end |
154 | |
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155 print("ssl_ctx:", type(ssl_ctx)); |
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156 |
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157 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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158 |
0 | 159 |
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160 local protected_handler = function (...) local success, ret = pcall(handler, ...); if not success then print("ERROR on "..tostring((select(1, ...)))..": "..ret); end end; |
4 | 161 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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162 |
4 | 163 print( server.add( { listener = protected_handler, disconnect = protected_disconnect }, 5222, "*", 1, nil ) ) -- server.add will send a status message |
164 print( server.add( { listener = protected_handler, disconnect = protected_disconnect }, 5223, "*", 1, ssl_ctx ) ) -- server.add will send a status message | |
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165 |
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166 server.loop(); |