Mon, 25 Aug 2008 00:33:16 +0200
remaned _ to sock to improve readability
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, msg = ssl.newcontext { 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 | --if not ssl_ctx then error("Failed to initialise SSL/TLS support: "..tostring(msg)); end |
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49 | |
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50 | |
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51 | local ssl_ctx = { mode = "server", protocol = "sslv23", key = "/home/matthew/ssl_cert/server.key", |
0 | 52 | certificate = "/home/matthew/ssl_cert/server.crt", capath = "/etc/ssl/certs", verify = "none", } |
53 | ||
54 | ||
55 | function connect_host(host) | |
56 | hosts[host] = { type = "remote", sendbuffer = {} }; | |
57 | end | |
58 | ||
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59 | local function send_to(session, to, stanza) |
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60 | local node, host, resource = jid.split(to); |
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61 | if not hosts[host] then |
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62 | -- s2s |
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63 | elseif hosts[host].type == "local" then |
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64 | print(" ...is to a local user") |
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65 | local destuser = hosts[host].sessions[node]; |
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66 | if destuser and destuser.sessions then |
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67 | if not destuser.sessions[resource] then |
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68 | local best_session; |
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69 | for resource, session in pairs(destuser.sessions) do |
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70 | if not best_session then best_session = session; |
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71 | elseif session.priority >= best_session.priority and session.priority >= 0 then |
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72 | best_session = session; |
0 | 73 | end |
74 | end | |
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75 | if not best_session then |
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76 | offlinemessage.new(node, host, stanza); |
0 | 77 | else |
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78 | print("resource '"..resource.."' was not online, have chosen to send to '"..best_session.username.."@"..best_session.host.."/"..best_session.resource.."'"); |
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79 | resource = best_session.resource; |
0 | 80 | end |
81 | end | |
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82 | if destuser.sessions[resource] == session then |
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83 | log("warn", "core", "Attempt to send stanza to self, dropping..."); |
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84 | else |
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85 | print("...sending...", tostring(stanza)); |
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86 | --destuser.sessions[resource].conn.write(tostring(data)); |
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87 | print(" to conn ", destuser.sessions[resource].conn); |
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88 | destuser.sessions[resource].conn.write(tostring(stanza)); |
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89 | print("...sent") |
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90 | end |
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91 | elseif stanza.name == "message" then |
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92 | print(" ...will be stored offline"); |
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93 | offlinemessage.new(node, host, stanza); |
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94 | elseif stanza.name == "iq" then |
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95 | print(" ...is an iq"); |
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96 | session.send(st.reply(stanza) |
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97 | :tag("error", { type = "cancel" }) |
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98 | :tag("service-unavailable", { xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas" })); |
0 | 99 | end |
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100 | print(" ...done routing"); |
0 | 101 | end |
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102 | end |
0 | 103 | |
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104 | function handler(conn, data, err) |
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105 | local session = sessions[conn]; |
7 | 106 | |
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107 | if not session then |
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108 | sessions[conn] = { conn = conn, notopen = true, priority = 0 }; |
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109 | session = sessions[conn]; |
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110 | |
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111 | -- Logging functions -- |
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112 | |
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113 | local mainlog, log = log; |
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114 | do |
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115 | local conn_name = tostring(conn):match("%w+$"); |
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116 | log = function (type, area, message) mainlog(type, conn_name, message); end |
7 | 117 | --log = function () end |
0 | 118 | end |
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119 | local print = function (...) log("info", "core", t_concatall({...}, "\t")); end |
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120 | session.log = log; |
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121 | |
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122 | -- -- -- |
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123 | |
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124 | -- Send buffers -- |
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125 | |
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126 | local send = function (data) print("Sending...", tostring(data)); conn.write(tostring(data)); end; |
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127 | session.send, session.send_to = send, send_to; |
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128 | |
7 | 129 | print("Client connected"); |
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130 | |
7 | 131 | session.stanza_dispatch = init_stanza_dispatcher(session); |
132 | session.xml_handlers = init_xmlhandlers(session); | |
133 | session.parser = lxp.new(session.xml_handlers, ":"); | |
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134 | |
7 | 135 | function session.disconnect(err) |
136 | if session.last_presence and session.last_presence.attr.type ~= "unavailable" then | |
137 | local pres = st.presence{ type = "unavailable" }; | |
138 | if err == "closed" then err = "connection closed"; end | |
139 | pres:tag("status"):text("Disconnected: "..err); | |
140 | session.stanza_dispatch(pres); | |
141 | end | |
142 | if session.username then | |
2 | 143 | hosts[session.host].sessions[session.username] = nil; |
0 | 144 | end |
7 | 145 | session = nil; |
146 | print("Disconnected: "..err); | |
147 | collectgarbage("collect"); | |
0 | 148 | end |
7 | 149 | end |
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150 | if data then |
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151 | session.parser:parse(data); |
0 | 152 | end |
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153 | |
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154 | --log("info", "core", "Client disconnected, connection closed"); |
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155 | end |
0 | 156 | |
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157 | function disconnect(conn, err) |
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158 | sessions[conn].disconnect(err); |
0 | 159 | end |
160 | ||
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161 | print("ssl_ctx:", type(ssl_ctx)); |
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162 | |
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163 | 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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164 | |
0 | 165 | |
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166 | local protected_handler = function (...) local success, ret = pcall(handler, ...); if not success then print("ERROR on "..tostring((select(1, ...)))..": "..ret); end end; |
4 | 167 | 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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168 | |
4 | 169 | print( server.add( { listener = protected_handler, disconnect = protected_disconnect }, 5222, "*", 1, nil ) ) -- server.add will send a status message |
170 | print( server.add( { listener = protected_handler, disconnect = protected_disconnect }, 5223, "*", 1, ssl_ctx ) ) -- server.add will send a status message | |
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171 | |
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172 | server.loop(); |