author | Matthew Wild <mwild1@gmail.com> |
Tue, 31 Mar 2009 20:15:33 +0100 | |
changeset 948 | 4aff205cc4cd |
parent 901 | 0e8934d3c4cb |
child 1040 | 4c79b28bce64 |
permissions | -rw-r--r-- |
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-- Prosody IM v0.4 |
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-- Copyright (C) 2008-2009 Matthew Wild |
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-- Copyright (C) 2008-2009 Waqas Hussain |
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-- |
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-- This project is MIT/X11 licensed. Please see the |
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-- COPYING file in the source package for more information. |
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-- |
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local logger = require "logger"; |
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local lxp = require "lxp" |
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local init_xmlhandlers = require "core.xmlhandlers" |
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local sm_new_session = require "core.sessionmanager".new_session; |
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local connlisteners_register = require "net.connlisteners".register; |
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local t_insert = table.insert; |
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local t_concat = table.concat; |
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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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local m_random = math.random; |
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local format = string.format; |
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local sm_new_session, sm_destroy_session = sessionmanager.new_session, sessionmanager.destroy_session; --import("core.sessionmanager", "new_session", "destroy_session"); |
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local sm_streamopened = sessionmanager.streamopened; |
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local sm_streamclosed = sessionmanager.streamclosed; |
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local st = stanza; |
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local stream_callbacks = { stream_tag = "http://etherx.jabber.org/streams|stream", |
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default_ns = "jabber:client", |
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streamopened = sm_streamopened, streamclosed = sm_streamclosed, handlestanza = core_process_stanza }; |
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function stream_callbacks.error(session, error, data) |
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if error == "no-stream" then |
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session.log("debug", "Invalid opening stream header"); |
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session:close("invalid-namespace"); |
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elseif session.close then |
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(session.log or log)("debug", "Client XML parse error: %s", tostring(error)); |
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session:close("xml-not-well-formed"); |
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end |
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end |
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local function handleerr(err) log("error", "Traceback[c2s]: %s: %s", tostring(err), debug.traceback()); end |
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function stream_callbacks.handlestanza(a, b) |
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xpcall(function () core_process_stanza(a, b) end, handleerr); |
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end |
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local sessions = {}; |
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local xmppclient = { default_port = 5222, default_mode = "*a" }; |
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-- These are session methods -- |
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local function session_reset_stream(session) |
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-- Reset stream |
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local parser = lxp.new(init_xmlhandlers(session, stream_callbacks), "|"); |
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session.parser = parser; |
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session.notopen = true; |
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function session.data(conn, data) |
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local ok, err = parser:parse(data); |
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if ok then return; end |
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session:close("xml-not-well-formed"); |
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end |
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return true; |
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end |
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local stream_xmlns_attr = {xmlns='urn:ietf:params:xml:ns:xmpp-streams'}; |
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local function session_close(session, reason) |
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local log = session.log or log; |
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if session.conn then |
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if reason then |
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if type(reason) == "string" then -- assume stream error |
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log("info", "Disconnecting client, <stream:error> is: %s", reason); |
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session.send(st.stanza("stream:error"):tag(reason, {xmlns = 'urn:ietf:params:xml:ns:xmpp-streams' })); |
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elseif type(reason) == "table" then |
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if reason.condition then |
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local stanza = st.stanza("stream:error"):tag(reason.condition, stream_xmlns_attr):up(); |
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if reason.text then |
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stanza:tag("text", stream_xmlns_attr):text(reason.text):up(); |
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end |
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if reason.extra then |
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stanza:add_child(reason.extra); |
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end |
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log("info", "Disconnecting client, <stream:error> is: %s", tostring(stanza)); |
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session.send(stanza); |
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elseif reason.name then -- a stanza |
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log("info", "Disconnecting client, <stream:error> is: %s", tostring(reason)); |
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session.send(reason); |
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end |
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end |
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end |
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session.send("</stream:stream>"); |
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session.conn.close(); |
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xmppclient.disconnect(session.conn, "stream error"); |
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end |
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end |
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-- End of session methods -- |
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function xmppclient.listener(conn, data) |
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local session = sessions[conn]; |
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105 |
if not session then |
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106 |
session = sm_new_session(conn); |
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107 |
sessions[conn] = session; |
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108 |
|
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109 |
-- Logging functions -- |
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110 |
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111 |
local conn_name = "c2s"..tostring(conn):match("[a-f0-9]+$"); |
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112 |
session.log = logger.init(conn_name); |
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113 |
|
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114 |
session.log("info", "Client connected"); |
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115 |
|
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116 |
session.reset_stream = session_reset_stream; |
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117 |
session.close = session_close; |
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118 |
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119 |
session_reset_stream(session); -- Initialise, ready for use |
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120 |
|
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121 |
session.dispatch_stanza = stream_callbacks.handlestanza; |
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122 |
end |
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123 |
if data then |
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124 |
session.data(conn, data); |
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125 |
end |
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126 |
end |
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127 |
|
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128 |
function xmppclient.disconnect(conn, err) |
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129 |
local session = sessions[conn]; |
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130 |
if session then |
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131 |
(session.log or log)("info", "Client disconnected: %s", err); |
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132 |
sm_destroy_session(session); |
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133 |
sessions[conn] = nil; |
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134 |
session = nil; |
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135 |
collectgarbage("collect"); |
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136 |
end |
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137 |
end |
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138 |
|
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139 |
connlisteners_register("xmppclient", xmppclient); |