author | Waqas Hussain <waqas20@gmail.com> |
Fri, 29 May 2009 23:14:57 +0500 | |
changeset 1224 | 35fa588e43a6 |
parent 1223 | 9767e52f861c |
child 1225 | 1e01a913baf5 |
permissions | -rw-r--r-- |
896 | 1 |
-- 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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Move stream opening handling from xmlhandlers to sessionmanager
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local tonumber, tostring = tonumber, tostring; |
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Final fix for marking user offline when all resources are gone :)
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local ipairs, pairs, print, next= ipairs, pairs, print, next; |
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local collectgarbage = collectgarbage; |
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local m_random = import("math", "random"); |
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local format = import("string", "format"); |
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local hosts = hosts; |
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local full_sessions = full_sessions; |
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local bare_sessions = bare_sessions; |
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local modulemanager = require "core.modulemanager"; |
30 | 22 |
local log = require "util.logger".init("sessionmanager"); |
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Move stream opening handling from xmlhandlers to sessionmanager
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local error = error; |
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local uuid_generate = require "util.uuid".generate; |
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Added some roster management functions
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local rm_load_roster = require "core.rostermanager".load_roster; |
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local config_get = require "core.configmanager".get; |
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Fixed: sessionmanager: Apply nameprep on hostname passed in stream tag (part of issue #57)
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local nameprep = require "util.encodings".stringprep.nameprep; |
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local fire_event = require "core.eventmanager".fire_event; |
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local gettime = require "socket".gettime; |
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local st = require "util.stanza"; |
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local newproxy = newproxy; |
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local getmetatable = getmetatable; |
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module "sessionmanager" |
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local open_sessions = 0; |
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function new_session(conn) |
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local session = { conn = conn, priority = 0, type = "c2s_unauthed", conntime = gettime() }; |
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if true then |
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session.trace = newproxy(true); |
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getmetatable(session.trace).__gc = function () open_sessions = open_sessions - 1; end; |
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end |
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open_sessions = open_sessions + 1; |
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log("debug", "open sessions now: ".. open_sessions); |
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local w = conn.write; |
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session.send = function (t) w(tostring(t)); end |
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Set session.ip to the IP address of connecting clients
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session.ip = conn.ip(); |
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return session; |
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end |
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function destroy_session(session, err) |
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(session.log or log)("info", "Destroying session for %s (%s@%s)", session.full_jid or "(unknown)", session.username or "(unknown)", session.host or "(unknown)"); |
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-- Send unavailable presence |
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if session.presence then |
331 | 61 |
local pres = st.presence{ type = "unavailable" }; |
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if (not err) or err == "closed" then err = "connection closed"; end |
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core.sessionmanager: Hop out of <status> tag so that MUC doesn't insert into the wrong level
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pres:tag("status"):text("Disconnected: "..err):up(); |
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stanza_dispatch = core_process_stanza, fixed for xmpp{client,server} listeners, and sessionmanager for the new syntax
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session:dispatch_stanza(pres); |
331 | 65 |
end |
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-- Remove session/resource from user's session list |
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if session.host and session.username then |
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-- FIXME: How can the below ever be nil? (but they sometimes are...) |
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if hosts[session.host] and hosts[session.host].sessions[session.username] then |
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if session.resource then |
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hosts[session.host].sessions[session.username].sessions[session.resource] = nil; |
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full_sessions[session.full_jid] = nil; |
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end |
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if not next(hosts[session.host].sessions[session.username].sessions) then |
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log("debug", "All resources of %s are now offline", session.username); |
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hosts[session.host].sessions[session.username] = nil; |
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bare_sessions[session.host..'@'..session.username] = nil; |
148 | 80 |
end |
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else |
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log("error", "host or session table didn't exist, please report this! Host: %s [%s] Sessions: %s [%s]", |
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tostring(hosts[session.host]), tostring(session.host), |
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tostring(hosts[session.host].sessions[session.username] ), tostring(session.username)); |
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end |
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end |
331 | 87 |
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for k in pairs(session) do |
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if k ~= "trace" then |
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session[k] = nil; |
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91 |
end |
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92 |
end |
38 | 93 |
end |
94 |
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95 |
function make_authenticated(session, username) |
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session.username = username; |
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if session.type == "c2s_unauthed" then |
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session.type = "c2s"; |
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end |
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session.log("info", "Authenticated as %s@%s", username or "(unknown)", session.host or "(unknown)"); |
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return true; |
38 | 102 |
end |
103 |
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-- returns true, nil on success |
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-- returns nil, err_type, err, err_message on failure |
38 | 106 |
function bind_resource(session, resource) |
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107 |
if not session.username then return nil, "auth", "not-authorized", "Cannot bind resource before authentication"; end |
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if session.resource then return nil, "cancel", "already-bound", "Cannot bind multiple resources on a single connection"; end |
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109 |
-- We don't support binding multiple resources |
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110 |
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Add "uuid" library and make sessionmanager use this.
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111 |
resource = resource or uuid_generate(); |
38 | 112 |
--FIXME: Randomly-generated resources must be unique per-user, and never conflict with existing |
113 |
||
114 |
if not hosts[session.host].sessions[session.username] then |
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115 |
local sessions = { sessions = {} }; |
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116 |
hosts[session.host].sessions[session.username] = sessions; |
35fa588e43a6
sessionmanager: Add/remove sessions from full_sessions and bare_sessions when binding/unbinding sessions
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117 |
bare_sessions[session.host..'@'..session.username] = sessions; |
38 | 118 |
else |
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119 |
local sessions = hosts[session.host].sessions[session.username].sessions; |
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120 |
local limit = config_get(session.host, "core", "max_resources") or 10; |
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121 |
if #sessions >= limit then |
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122 |
return nil, "cancel", "conflict", "Resource limit reached; only "..limit.." resources allowed"; |
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123 |
end |
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124 |
if sessions[resource] then |
38 | 125 |
-- Resource conflict |
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126 |
local policy = config_get(session.host, "core", "conflict_resolve"); |
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127 |
local increment; |
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128 |
if policy == "random" then |
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129 |
resource = uuid_generate(); |
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130 |
increment = true; |
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131 |
elseif policy == "increment" then |
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132 |
increment = true; -- TODO ping old resource |
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133 |
elseif policy == "kick_new" then |
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134 |
return nil, "cancel", "conflict", "Resource already exists"; |
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135 |
else -- if policy == "kick_old" then |
791
a4be1d80775c
Fixed: kick_old resource conflict resolution policy could fail with a backtrace
Waqas Hussain <waqas20@gmail.com>
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136 |
sessions[resource]:close { |
429
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137 |
condition = "conflict"; |
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138 |
text = "Replaced by new connection"; |
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139 |
}; |
791
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|
140 |
if not next(sessions) then |
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Waqas Hussain <waqas20@gmail.com>
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141 |
hosts[session.host].sessions[session.username] = { sessions = sessions }; |
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|
142 |
end |
429
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143 |
end |
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144 |
if increment and sessions[resource] then |
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145 |
local count = 1; |
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146 |
while sessions[resource.."#"..count] do |
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count = count + 1; |
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148 |
end |
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149 |
resource = resource.."#"..count; |
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150 |
end |
38 | 151 |
end |
152 |
end |
|
153 |
||
154 |
session.resource = resource; |
|
155 |
session.full_jid = session.username .. '@' .. session.host .. '/' .. resource; |
|
156 |
hosts[session.host].sessions[session.username].sessions[resource] = session; |
|
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sessionmanager: Add/remove sessions from full_sessions and bare_sessions when binding/unbinding sessions
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|
157 |
full_sessions[session.full_jid] = session; |
38 | 158 |
|
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|
159 |
session.roster = rm_load_roster(session.username, session.host); |
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160 |
|
38 | 161 |
return true; |
162 |
end |
|
163 |
||
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diff
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|
164 |
function streamopened(session, attr) |
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165 |
local send = session.send; |
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|
166 |
session.host = attr.to or error("Client failed to specify destination hostname"); |
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|
167 |
session.host = nameprep(session.host); |
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|
168 |
session.version = tonumber(attr.version) or 0; |
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|
169 |
session.streamid = m_random(1000000, 99999999); |
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170 |
(session.log or session)("debug", "Client sent opening <stream:stream> to %s", session.host); |
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|
171 |
|
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|
172 |
send("<?xml version='1.0'?>"); |
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173 |
send(format("<stream:stream xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' id='%s' from='%s' version='1.0'>", session.streamid, session.host)); |
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|
174 |
|
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parents:
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|
175 |
if not hosts[session.host] then |
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parents:
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diff
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|
176 |
-- We don't serve this host... |
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|
177 |
session:close{ condition = "host-unknown", text = "This server does not serve "..tostring(session.host)}; |
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|
178 |
return; |
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changeset
|
179 |
end |
1213
de66fa750daf
sessionmanager, mod_tls: Mark a session as secure when TLS is active
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parents:
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diff
changeset
|
180 |
|
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sessionmanager, mod_tls: Mark a session as secure when TLS is active
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parents:
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diff
changeset
|
181 |
-- If session.secure is *false* (not nil) then it means we /were/ encrypting |
de66fa750daf
sessionmanager, mod_tls: Mark a session as secure when TLS is active
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changeset
|
182 |
-- since we now have a new stream header, session is secured |
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diff
changeset
|
183 |
if session.secure == false then |
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sessionmanager, mod_tls: Mark a session as secure when TLS is active
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parents:
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diff
changeset
|
184 |
session.secure = true; |
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sessionmanager, mod_tls: Mark a session as secure when TLS is active
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parents:
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diff
changeset
|
185 |
end |
40
2c0147bbd81a
Move stream opening handling from xmlhandlers to sessionmanager
Matthew Wild <mwild1@gmail.com>
parents:
38
diff
changeset
|
186 |
|
970
5516f9e66482
sessionmanager, componentmanager: Fix some wacky indentation (thanks greyback!)
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parents:
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diff
changeset
|
187 |
local features = st.stanza("stream:features"); |
5516f9e66482
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parents:
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diff
changeset
|
188 |
fire_event("stream-features", session, features); |
5516f9e66482
sessionmanager, componentmanager: Fix some wacky indentation (thanks greyback!)
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parents:
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diff
changeset
|
189 |
|
5516f9e66482
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parents:
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diff
changeset
|
190 |
send(features); |
5516f9e66482
sessionmanager, componentmanager: Fix some wacky indentation (thanks greyback!)
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parents:
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diff
changeset
|
191 |
|
1076
ba3639692493
sessionmanager: Miscellaneous logging improvements, changing levels, improving messages and using session loggers where possible
Matthew Wild <mwild1@gmail.com>
parents:
970
diff
changeset
|
192 |
(session.log or log)("debug", "Sent reply <stream:stream> to client"); |
970
5516f9e66482
sessionmanager, componentmanager: Fix some wacky indentation (thanks greyback!)
Matthew Wild <mwild1@gmail.com>
parents:
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diff
changeset
|
193 |
session.notopen = nil; |
40
2c0147bbd81a
Move stream opening handling from xmlhandlers to sessionmanager
Matthew Wild <mwild1@gmail.com>
parents:
38
diff
changeset
|
194 |
end |
2c0147bbd81a
Move stream opening handling from xmlhandlers to sessionmanager
Matthew Wild <mwild1@gmail.com>
parents:
38
diff
changeset
|
195 |
|
959
e3db909065f2
sessionmanager, s2smanager, mod_component: Send reply </stream:stream> when client closes stream
Matthew Wild <mwild1@gmail.com>
parents:
950
diff
changeset
|
196 |
function streamclosed(session) |
e3db909065f2
sessionmanager, s2smanager, mod_component: Send reply </stream:stream> when client closes stream
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parents:
950
diff
changeset
|
197 |
session.send("</stream:stream>"); |
e3db909065f2
sessionmanager, s2smanager, mod_component: Send reply </stream:stream> when client closes stream
Matthew Wild <mwild1@gmail.com>
parents:
950
diff
changeset
|
198 |
session.notopen = true; |
e3db909065f2
sessionmanager, s2smanager, mod_component: Send reply </stream:stream> when client closes stream
Matthew Wild <mwild1@gmail.com>
parents:
950
diff
changeset
|
199 |
end |
e3db909065f2
sessionmanager, s2smanager, mod_component: Send reply </stream:stream> when client closes stream
Matthew Wild <mwild1@gmail.com>
parents:
950
diff
changeset
|
200 |
|
175
5f71d290bb44
Routing code reorganization
Waqas Hussain <waqas20@gmail.com>
parents:
156
diff
changeset
|
201 |
function send_to_available_resources(user, host, stanza) |
176
e5cd2a03891d
Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents:
175
diff
changeset
|
202 |
local count = 0; |
175
5f71d290bb44
Routing code reorganization
Waqas Hussain <waqas20@gmail.com>
parents:
156
diff
changeset
|
203 |
local to = stanza.attr.to; |
5f71d290bb44
Routing code reorganization
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parents:
156
diff
changeset
|
204 |
stanza.attr.to = nil; |
5f71d290bb44
Routing code reorganization
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parents:
156
diff
changeset
|
205 |
local h = hosts[host]; |
5f71d290bb44
Routing code reorganization
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parents:
156
diff
changeset
|
206 |
if h and h.type == "local" then |
5f71d290bb44
Routing code reorganization
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parents:
156
diff
changeset
|
207 |
local u = h.sessions[user]; |
5f71d290bb44
Routing code reorganization
Waqas Hussain <waqas20@gmail.com>
parents:
156
diff
changeset
|
208 |
if u then |
5f71d290bb44
Routing code reorganization
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parents:
156
diff
changeset
|
209 |
for k, session in pairs(u.sessions) do |
5f71d290bb44
Routing code reorganization
Waqas Hussain <waqas20@gmail.com>
parents:
156
diff
changeset
|
210 |
if session.presence then |
5f71d290bb44
Routing code reorganization
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parents:
156
diff
changeset
|
211 |
session.send(stanza); |
176
e5cd2a03891d
Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents:
175
diff
changeset
|
212 |
count = count + 1; |
175
5f71d290bb44
Routing code reorganization
Waqas Hussain <waqas20@gmail.com>
parents:
156
diff
changeset
|
213 |
end |
5f71d290bb44
Routing code reorganization
Waqas Hussain <waqas20@gmail.com>
parents:
156
diff
changeset
|
214 |
end |
5f71d290bb44
Routing code reorganization
Waqas Hussain <waqas20@gmail.com>
parents:
156
diff
changeset
|
215 |
end |
5f71d290bb44
Routing code reorganization
Waqas Hussain <waqas20@gmail.com>
parents:
156
diff
changeset
|
216 |
end |
5f71d290bb44
Routing code reorganization
Waqas Hussain <waqas20@gmail.com>
parents:
156
diff
changeset
|
217 |
stanza.attr.to = to; |
176
e5cd2a03891d
Outbound presence subscription
Waqas Hussain <waqas20@gmail.com>
parents:
175
diff
changeset
|
218 |
return count; |
175
5f71d290bb44
Routing code reorganization
Waqas Hussain <waqas20@gmail.com>
parents:
156
diff
changeset
|
219 |
end |
5f71d290bb44
Routing code reorganization
Waqas Hussain <waqas20@gmail.com>
parents:
156
diff
changeset
|
220 |
|
614
335f2921ae0c
Newline at end of file for sessionmanager
Matthew Wild <mwild1@gmail.com>
parents:
597
diff
changeset
|
221 |
return _M; |