author | Matthew Wild <mwild1@gmail.com> |
Fri, 11 May 2012 14:57:29 +0100 | |
changeset 4852 | 9cc934f49df0 |
parent 4753 | 142e21f6bf8e |
child 4964 | c9b8ec3eb1e9 |
permissions | -rw-r--r-- |
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1 |
-- Prosody IM |
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2 |
-- Copyright (C) 2008-2010 Matthew Wild |
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3 |
-- Copyright (C) 2008-2010 Waqas Hussain |
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4 |
-- |
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5 |
-- This project is MIT/X11 licensed. Please see the |
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6 |
-- COPYING file in the source package for more information. |
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7 |
-- |
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module:set_global(); |
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sessionmanager, mod_c2s: Move timeout logic to mod_c2s
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11 |
local add_task = require "util.timer".add_task; |
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12 |
local new_xmpp_stream = require "util.xmppstream".new; |
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13 |
local nameprep = require "util.encodings".stringprep.nameprep; |
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14 |
local sessionmanager = require "core.sessionmanager"; |
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15 |
local st = require "util.stanza"; |
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local sm_new_session, sm_destroy_session = sessionmanager.new_session, sessionmanager.destroy_session; |
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local uuid_generate = require "util.uuid".generate; |
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local xpcall, tostring, type = xpcall, tostring, type; |
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local traceback = debug.traceback; |
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local xmlns_xmpp_streams = "urn:ietf:params:xml:ns:xmpp-streams"; |
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local log = module._log; |
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local c2s_timeout = module:get_option_number("c2s_timeout"); |
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local opt_keepalives = module:get_option_boolean("tcp_keepalives", false); |
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local sessions = module:shared("sessions"); |
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local stream_callbacks = { default_ns = "jabber:client", handlestanza = core_process_stanza }; |
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local listener = {}; |
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--- Stream events handlers |
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local stream_xmlns_attr = {xmlns='urn:ietf:params:xml:ns:xmpp-streams'}; |
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local default_stream_attr = { ["xmlns:stream"] = "http://etherx.jabber.org/streams", xmlns = stream_callbacks.default_ns, version = "1.0", id = "" }; |
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function stream_callbacks.streamopened(session, attr) |
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39 |
local send = session.send; |
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session.host = nameprep(attr.to); |
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if not session.host then |
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session:close{ condition = "improper-addressing", |
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text = "A valid 'to' attribute is required on stream headers" }; |
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return; |
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end |
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session.version = tonumber(attr.version) or 0; |
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session.streamid = uuid_generate(); |
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(session.log or session)("debug", "Client sent opening <stream:stream> to %s", session.host); |
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49 |
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50 |
if not hosts[session.host] then |
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51 |
-- We don't serve this host... |
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52 |
session:close{ condition = "host-unknown", text = "This server does not serve "..tostring(session.host)}; |
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53 |
return; |
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54 |
end |
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send("<?xml version='1.0'?>"..st.stanza("stream:stream", { |
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xmlns = 'jabber:client', ["xmlns:stream"] = 'http://etherx.jabber.org/streams'; |
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id = session.streamid, from = session.host, version = '1.0', ["xml:lang"] = 'en' }):top_tag()); |
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|
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(session.log or log)("debug", "Sent reply <stream:stream> to client"); |
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61 |
session.notopen = nil; |
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62 |
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63 |
-- If session.secure is *false* (not nil) then it means we /were/ encrypting |
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64 |
-- since we now have a new stream header, session is secured |
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65 |
if session.secure == false then |
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66 |
session.secure = true; |
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67 |
end |
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68 |
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69 |
local features = st.stanza("stream:features"); |
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70 |
hosts[session.host].events.fire_event("stream-features", { origin = session, features = features }); |
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71 |
module:fire_event("stream-features", session, features); |
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72 |
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73 |
send(features); |
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74 |
end |
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76 |
function stream_callbacks.streamclosed(session) |
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77 |
session.log("debug", "Received </stream:stream>"); |
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78 |
session:close(); |
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79 |
end |
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80 |
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81 |
function stream_callbacks.error(session, error, data) |
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82 |
if error == "no-stream" then |
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83 |
session.log("debug", "Invalid opening stream header"); |
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84 |
session:close("invalid-namespace"); |
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85 |
elseif error == "parse-error" then |
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86 |
(session.log or log)("debug", "Client XML parse error: %s", tostring(data)); |
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87 |
session:close("not-well-formed"); |
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88 |
elseif error == "stream-error" then |
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89 |
local condition, text = "undefined-condition"; |
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parents:
diff
changeset
|
90 |
for child in data:children() do |
db27a4c18b6a
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parents:
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|
91 |
if child.attr.xmlns == xmlns_xmpp_streams then |
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Matthew Wild <mwild1@gmail.com>
parents:
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changeset
|
92 |
if child.name ~= "text" then |
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parents:
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|
93 |
condition = child.name; |
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parents:
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|
94 |
else |
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Matthew Wild <mwild1@gmail.com>
parents:
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|
95 |
text = child:get_text(); |
db27a4c18b6a
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parents:
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|
96 |
end |
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Matthew Wild <mwild1@gmail.com>
parents:
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|
97 |
if condition ~= "undefined-condition" and text then |
db27a4c18b6a
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Matthew Wild <mwild1@gmail.com>
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|
98 |
break; |
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parents:
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|
99 |
end |
db27a4c18b6a
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Matthew Wild <mwild1@gmail.com>
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|
100 |
end |
db27a4c18b6a
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|
101 |
end |
db27a4c18b6a
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Matthew Wild <mwild1@gmail.com>
parents:
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|
102 |
text = condition .. (text and (" ("..text..")") or ""); |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
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changeset
|
103 |
session.log("info", "Session closed by remote with error: %s", text); |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
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|
104 |
session:close(nil, text); |
db27a4c18b6a
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parents:
diff
changeset
|
105 |
end |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
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|
106 |
end |
db27a4c18b6a
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Matthew Wild <mwild1@gmail.com>
parents:
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changeset
|
107 |
|
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Matthew Wild <mwild1@gmail.com>
parents:
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changeset
|
108 |
local function handleerr(err) log("error", "Traceback[c2s]: %s: %s", tostring(err), traceback()); end |
db27a4c18b6a
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|
109 |
function stream_callbacks.handlestanza(session, stanza) |
db27a4c18b6a
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parents:
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|
110 |
stanza = session.filter("stanzas/in", stanza); |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
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parents:
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|
111 |
if stanza then |
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Matthew Wild <mwild1@gmail.com>
parents:
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|
112 |
return xpcall(function () return core_process_stanza(session, stanza) end, handleerr); |
db27a4c18b6a
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parents:
diff
changeset
|
113 |
end |
db27a4c18b6a
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Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
114 |
end |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
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parents:
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|
115 |
|
db27a4c18b6a
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parents:
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|
116 |
--- Session methods |
db27a4c18b6a
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parents:
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|
117 |
local function session_close(session, reason) |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
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parents:
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|
118 |
local log = session.log or log; |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
119 |
if session.conn then |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
120 |
if session.notopen then |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
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|
121 |
session.send("<?xml version='1.0'?>"); |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
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parents:
diff
changeset
|
122 |
session.send(st.stanza("stream:stream", default_stream_attr):top_tag()); |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
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parents:
diff
changeset
|
123 |
end |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
124 |
if reason then |
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mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
125 |
if type(reason) == "string" then -- assume stream error |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
126 |
log("info", "Disconnecting client, <stream:error> is: %s", reason); |
db27a4c18b6a
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Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
127 |
session.send(st.stanza("stream:error"):tag(reason, {xmlns = 'urn:ietf:params:xml:ns:xmpp-streams' })); |
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parents:
diff
changeset
|
128 |
elseif type(reason) == "table" then |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
129 |
if reason.condition then |
db27a4c18b6a
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Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
130 |
local stanza = st.stanza("stream:error"):tag(reason.condition, stream_xmlns_attr):up(); |
db27a4c18b6a
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parents:
diff
changeset
|
131 |
if reason.text then |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
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|
132 |
stanza:tag("text", stream_xmlns_attr):text(reason.text):up(); |
db27a4c18b6a
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parents:
diff
changeset
|
133 |
end |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
134 |
if reason.extra then |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
135 |
stanza:add_child(reason.extra); |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
136 |
end |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
137 |
log("info", "Disconnecting client, <stream:error> is: %s", tostring(stanza)); |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
138 |
session.send(stanza); |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
139 |
elseif reason.name then -- a stanza |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
140 |
log("info", "Disconnecting client, <stream:error> is: %s", tostring(reason)); |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
141 |
session.send(reason); |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
142 |
end |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
143 |
end |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
144 |
end |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
145 |
session.send("</stream:stream>"); |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
146 |
session.conn:close(); |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
147 |
listener.ondisconnect(session.conn, (reason and (reason.text or reason.condition)) or reason or "session closed"); |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
148 |
end |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
149 |
end |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
150 |
|
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
151 |
--- Port listener |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
152 |
function listener.onconnect(conn) |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
153 |
local session = sm_new_session(conn); |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
154 |
sessions[conn] = session; |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
155 |
|
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
156 |
session.log("info", "Client connected"); |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
157 |
|
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
158 |
-- Client is using legacy SSL (otherwise mod_tls sets this flag) |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
159 |
if conn:ssl() then |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
160 |
session.secure = true; |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
161 |
end |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
162 |
|
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
163 |
if opt_keepalives then |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
164 |
conn:setoption("keepalive", opt_keepalives); |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
165 |
end |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
166 |
|
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
167 |
session.close = session_close; |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
168 |
|
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
169 |
local stream = new_xmpp_stream(session, stream_callbacks); |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
170 |
session.stream = stream; |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
171 |
session.notopen = true; |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
172 |
|
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
173 |
function session.reset_stream() |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
174 |
session.notopen = true; |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
175 |
session.stream:reset(); |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
176 |
end |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
177 |
|
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
178 |
local filter = session.filter; |
db27a4c18b6a
mod_c2s, sessionmanager, xmppclient_listener: Move all c2s network and stream logic into a new module, mod_c2s
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
179 |
function session.data(data) |
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data = filter("bytes/in", data); |
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if data then |
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local ok, err = stream:feed(data); |
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if ok then return; end |
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log("debug", "Received invalid XML (%s) %d bytes: %s", tostring(err), #data, data:sub(1, 300):gsub("[\r\n]+", " "):gsub("[%z\1-\31]", "_")); |
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session:close("not-well-formed"); |
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186 |
end |
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187 |
end |
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188 |
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189 |
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if c2s_timeout then |
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191 |
add_task(c2s_timeout, function () |
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192 |
if session.type == "c2s_unauthed" then |
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session:close("connection-timeout"); |
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194 |
end |
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195 |
end); |
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196 |
end |
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197 |
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198 |
session.dispatch_stanza = stream_callbacks.handlestanza; |
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199 |
end |
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200 |
|
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201 |
function listener.onincoming(conn, data) |
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202 |
local session = sessions[conn]; |
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203 |
if session then |
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204 |
session.data(data); |
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205 |
end |
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206 |
end |
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207 |
|
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208 |
function listener.ondisconnect(conn, err) |
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209 |
local session = sessions[conn]; |
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210 |
if session then |
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211 |
(session.log or log)("info", "Client disconnected: %s", err); |
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212 |
sm_destroy_session(session, err); |
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213 |
sessions[conn] = nil; |
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214 |
session = nil; |
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215 |
end |
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216 |
end |
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217 |
|
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218 |
function listener.associate_session(conn, session) |
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219 |
sessions[conn] = session; |
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220 |
end |
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221 |
|
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222 |
module:add_item("net-provider", { |
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223 |
name = "c2s"; |
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224 |
listener = listener; |
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225 |
default_port = 5222; |
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226 |
encryption = "starttls"; |
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227 |
multiplex = { |
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228 |
pattern = "^<.*:stream.*%sxmlns%s*=%s*(['\"])jabber:client%1.*>"; |
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229 |
}; |
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230 |
}); |
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232 |
module:add_item("net-provider", { |
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233 |
name = "legacy_ssl"; |
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234 |
listener = listener; |
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235 |
encryption = "ssl"; |
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236 |
multiplex = { |
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pattern = "^<.*:stream.*%sxmlns%s*=%s*(['\"])jabber:client%1.*>"; |
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238 |
}; |
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239 |
}); |
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240 |
|
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241 |