prosody
9d122a6ae674
plugins/mod_bosh.lua

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plugins/mod_bosh.lua @ 3007:9d122a6ae674

Merge 0.7->trunk
author Matthew Wild <mwild1@gmail.com>
date Wed, 05 May 2010 15:33:58 +0100
parent 2961:db3c0ecce3f4
child 3043:1fadbb2e3ca0
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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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8
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9 module.host = "*" -- Global module
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10
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11 local hosts = _G.hosts;
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12 local lxp = require "lxp";
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13 local init_xmlhandlers = require "core.xmlhandlers"
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14 local server = require "net.server";
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15 local httpserver = require "net.httpserver";
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16 local sm = require "core.sessionmanager";
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17 local sm_destroy_session = sm.destroy_session;
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18 local new_uuid = require "util.uuid".generate;
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19 local fire_event = require "core.eventmanager".fire_event;
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20 local core_process_stanza = core_process_stanza;
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21 local st = require "util.stanza";
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22 local logger = require "util.logger";
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23 local log = logger.init("mod_bosh");
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24
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25 local xmlns_bosh = "http://jabber.org/protocol/httpbind"; -- (hard-coded into a literal in session.send)
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26 local stream_callbacks = { stream_ns = "http://jabber.org/protocol/httpbind", stream_tag = "body", default_ns = "jabber:client" };
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27
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28 local BOSH_DEFAULT_HOLD = tonumber(module:get_option("bosh_default_hold")) or 1;
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29 local BOSH_DEFAULT_INACTIVITY = tonumber(module:get_option("bosh_max_inactivity")) or 60;
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30 local BOSH_DEFAULT_POLLING = tonumber(module:get_option("bosh_max_polling")) or 5;
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31 local BOSH_DEFAULT_REQUESTS = tonumber(module:get_option("bosh_max_requests")) or 2;
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32 local BOSH_DEFAULT_MAXPAUSE = tonumber(module:get_option("bosh_max_pause")) or 300;
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33
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34 local default_headers = { ["Content-Type"] = "text/xml; charset=utf-8" };
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35 local session_close_reply = { headers = default_headers, body = st.stanza("body", { xmlns = xmlns_bosh, type = "terminate" }), attr = {} };
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36
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37 local cross_domain = module:get_option("cross_domain_bosh");
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38 if cross_domain then
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39 default_headers["Access-Control-Allow-Methods"] = "GET, POST, OPTIONS";
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40 default_headers["Access-Control-Allow-Headers"] = "Content-Type";
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41 default_headers["Access-Control-Max-Age"] = "7200";
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42
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43 if cross_domain == true then
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44 default_headers["Access-Control-Allow-Origin"] = "*";
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45 elseif type(cross_domain) == "table" then
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46 cross_domain = table.concat(cross_domain, ", ");
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47 end
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48 if type(cross_domain) == "string" then
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49 default_headers["Access-Control-Allow-Origin"] = cross_domain;
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50 end
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51 end
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52
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53 local t_insert, t_remove, t_concat = table.insert, table.remove, table.concat;
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54 local os_time = os.time;
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55
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56 local sessions = {};
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57 local inactive_sessions = {}; -- Sessions which have no open requests
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58
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59 -- Used to respond to idle sessions (those with waiting requests)
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60 local waiting_requests = {};
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61 function on_destroy_request(request)
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62 waiting_requests[request] = nil;
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63 local session = sessions[request.sid];
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64 if session then
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65 local requests = session.requests;
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66 for i,r in pairs(requests) do
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67 if r == request then requests[i] = nil; break; end
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68 end
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69
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70 -- If this session now has no requests open, mark it as inactive
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71 if #requests == 0 and session.bosh_max_inactive and not inactive_sessions[session] then
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72 inactive_sessions[session] = os_time();
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73 (session.log or log)("debug", "BOSH session marked as inactive at %d", inactive_sessions[session]);
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74 end
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75 end
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76 end
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77
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78 function handle_request(method, body, request)
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79 if (not body) or request.method ~= "POST" then
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80 if request.method == "OPTIONS" then
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81 return { headers = default_headers, body = "" };
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82 else
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83 return "<html><body>You really don't look like a BOSH client to me... what do you want?</body></html>";
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84 end
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85 end
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86 if not method then
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87 log("debug", "Request %s suffered error %s", tostring(request.id), body);
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88 return;
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89 end
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90 --log("debug", "Handling new request %s: %s\n----------", request.id, tostring(body));
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91 request.notopen = true;
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92 request.log = log;
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93 local parser = lxp.new(init_xmlhandlers(request, stream_callbacks), "\1");
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94
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95 parser:parse(body);
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96
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97 local session = sessions[request.sid];
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98 if session then
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99 local r = session.requests;
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100 log("debug", "Session %s has %d out of %d requests open", request.sid, #r, session.bosh_hold);
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101 log("debug", "and there are %d things in the send_buffer", #session.send_buffer);
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102 if #r > session.bosh_hold then
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103 -- We are holding too many requests, send what's in the buffer,
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104 log("debug", "We are holding too many requests, so...");
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105 if #session.send_buffer > 0 then
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106 log("debug", "...sending what is in the buffer")
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107 session.send(t_concat(session.send_buffer));
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108 session.send_buffer = {};
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109 else
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110 -- or an empty response
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111 log("debug", "...sending an empty response");
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112 session.send("");
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113 end
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114 elseif #session.send_buffer > 0 then
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115 log("debug", "Session has data in the send buffer, will send now..");
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116 local resp = t_concat(session.send_buffer);
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117 session.send_buffer = {};
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118 session.send(resp);
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119 end
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120
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121 if not request.destroyed and session.bosh_wait then
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122 request.reply_before = os_time() + session.bosh_wait;
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123 request.on_destroy = on_destroy_request;
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124 waiting_requests[request] = true;
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125 end
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126
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127 log("debug", "Have nothing to say, so leaving request unanswered for now");
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128 return true;
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Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
129 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
130 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
131
684
b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve
Matthew Wild <mwild1@gmail.com>
parents: 683
diff changeset
132
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
133 local function bosh_reset_stream(session) session.notopen = true; end
684
b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve
Matthew Wild <mwild1@gmail.com>
parents: 683
diff changeset
134
b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve
Matthew Wild <mwild1@gmail.com>
parents: 683
diff changeset
135 local function bosh_close_stream(session, reason)
b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve
Matthew Wild <mwild1@gmail.com>
parents: 683
diff changeset
136 (session.log or log)("info", "BOSH client disconnected");
b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve
Matthew Wild <mwild1@gmail.com>
parents: 683
diff changeset
137 session_close_reply.attr.condition = reason;
b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve
Matthew Wild <mwild1@gmail.com>
parents: 683
diff changeset
138 for _, held_request in ipairs(session.requests) do
b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve
Matthew Wild <mwild1@gmail.com>
parents: 683
diff changeset
139 held_request:send(session_close_reply);
b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve
Matthew Wild <mwild1@gmail.com>
parents: 683
diff changeset
140 held_request:destroy();
b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve
Matthew Wild <mwild1@gmail.com>
parents: 683
diff changeset
141 end
b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve
Matthew Wild <mwild1@gmail.com>
parents: 683
diff changeset
142 sessions[session.sid] = nil;
b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve
Matthew Wild <mwild1@gmail.com>
parents: 683
diff changeset
143 sm_destroy_session(session);
b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve
Matthew Wild <mwild1@gmail.com>
parents: 683
diff changeset
144 end
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
145
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
146 function stream_callbacks.streamopened(request, attr)
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
147 log("debug", "BOSH body open (sid: %s)", attr.sid);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
148 local sid = attr.sid
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
149 if not sid then
679
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
150 -- New session request
684
b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve
Matthew Wild <mwild1@gmail.com>
parents: 683
diff changeset
151 request.notopen = nil; -- Signals that we accept this opening tag
b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve
Matthew Wild <mwild1@gmail.com>
parents: 683
diff changeset
152
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
153 -- TODO: Sanity checks here (rid, to, known host, etc.)
684
b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve
Matthew Wild <mwild1@gmail.com>
parents: 683
diff changeset
154 if not hosts[attr.to] then
b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve
Matthew Wild <mwild1@gmail.com>
parents: 683
diff changeset
155 -- Unknown host
1048
45fc590539cd mod_bosh: Add log message for clients connecting to unknown host
Matthew Wild <mwild1@gmail.com>
parents: 1047
diff changeset
156 log("debug", "BOSH client tried to connect to unknown host: %s", tostring(attr.to));
1633
7812459eeed7 mod_bosh: Fix error reply for host-unknown errors
Matthew Wild <mwild1@gmail.com>
parents: 1551
diff changeset
157 session_close_reply.body.attr.condition = "host-unknown";
7812459eeed7 mod_bosh: Fix error reply for host-unknown errors
Matthew Wild <mwild1@gmail.com>
parents: 1551
diff changeset
158 request:send(session_close_reply);
684
b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve
Matthew Wild <mwild1@gmail.com>
parents: 683
diff changeset
159 request.notopen = nil
b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve
Matthew Wild <mwild1@gmail.com>
parents: 683
diff changeset
160 return;
b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve
Matthew Wild <mwild1@gmail.com>
parents: 683
diff changeset
161 end
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
162
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
163 -- New session
763
8e77a39826c2 mod_bosh: No need to tostring() uuids now
Matthew Wild <mwild1@gmail.com>
parents: 725
diff changeset
164 sid = new_uuid();
1663
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
165 local session = { type = "c2s_unauthed", conn = {}, sid = sid, rid = tonumber(attr.rid), host = attr.to, bosh_version = attr.ver, bosh_wait = attr.wait, streamid = sid,
679
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
166 bosh_hold = BOSH_DEFAULT_HOLD, bosh_max_inactive = BOSH_DEFAULT_INACTIVITY,
1109
bb21eb3cd364 mod_bosh: Give BOSH sessions a logger (thanks Florob)
Matthew Wild <mwild1@gmail.com>
parents: 1049
diff changeset
167 requests = { }, send_buffer = {}, reset_stream = bosh_reset_stream, close = bosh_close_stream,
1541
591732da1306 mod_bosh: Mark a session as secure if it is created with HTTPS
Matthew Wild <mwild1@gmail.com>
parents: 1537
diff changeset
168 dispatch_stanza = core_process_stanza, log = logger.init("bosh"..sid), secure = request.secure };
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
169 sessions[sid] = session;
1109
bb21eb3cd364 mod_bosh: Give BOSH sessions a logger (thanks Florob)
Matthew Wild <mwild1@gmail.com>
parents: 1049
diff changeset
170
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
171 log("info", "New BOSH session, assigned it sid '%s'", sid);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
172 local r, send_buffer = session.requests, session.send_buffer;
866
8958fe4b2391 mod_bosh: Set Content-Type in response headers
Matthew Wild <mwild1@gmail.com>
parents: 816
diff changeset
173 local response = { headers = default_headers }
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
174 function session.send(s)
2099
73e083d01449 mod_bosh: Don't log response XML
Matthew Wild <mwild1@gmail.com>
parents: 2084
diff changeset
175 --log("debug", "Sending BOSH data: %s", tostring(s));
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
176 local oldest_request = r[1];
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
177 while oldest_request and oldest_request.destroyed do
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
178 t_remove(r, 1);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
179 waiting_requests[oldest_request] = nil;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
180 oldest_request = r[1];
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
181 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
182 if oldest_request then
2099
73e083d01449 mod_bosh: Don't log response XML
Matthew Wild <mwild1@gmail.com>
parents: 2084
diff changeset
183 log("debug", "We have an open request, so sending on that");
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
184 response.body = t_concat{"<body xmlns='http://jabber.org/protocol/httpbind' sid='", sid, "' xmlns:stream = 'http://etherx.jabber.org/streams'>", tostring(s), "</body>" };
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
185 oldest_request:send(response);
771
ecdf72f9b085 Remove redundant logging and debug printing from mod_bosh
Matthew Wild <mwild1@gmail.com>
parents: 763
diff changeset
186 --log("debug", "Sent");
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
187 if oldest_request.stayopen then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
188 if #r>1 then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
189 -- Move front request to back
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
190 t_insert(r, oldest_request);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
191 t_remove(r, 1);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
192 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
193 else
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
194 log("debug", "Destroying the request now...");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
195 oldest_request:destroy();
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
196 t_remove(r, 1);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
197 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
198 elseif s ~= "" then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
199 log("debug", "Saved to send buffer because there are %d open requests", #r);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
200 -- Hmm, no requests are open :(
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
201 t_insert(session.send_buffer, tostring(s));
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
202 log("debug", "There are now %d things in the send_buffer", #session.send_buffer);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
203 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
204 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
205
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
206 -- Send creation response
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
207
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
208 local features = st.stanza("stream:features");
2608
68c43aaf681f mod_bosh: Fire stream-features event using new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 2486
diff changeset
209 hosts[session.host].events.fire_event("stream-features", { origin = session, features = features });
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
210 fire_event("stream-features", session, features);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
211 --xmpp:version='1.0' xmlns:xmpp='urn:xmpp:xbosh'
2473
3f4cfa375bd6 mod_bosh: Trailing whitespace
Matthew Wild <mwild1@gmail.com>
parents: 2467
diff changeset
212 local response = st.stanza("body", { xmlns = xmlns_bosh,
3f4cfa375bd6 mod_bosh: Trailing whitespace
Matthew Wild <mwild1@gmail.com>
parents: 2467
diff changeset
213 inactivity = tostring(BOSH_DEFAULT_INACTIVITY), polling = tostring(BOSH_DEFAULT_POLLING), requests = tostring(BOSH_DEFAULT_REQUESTS), hold = tostring(session.bosh_hold), maxpause = "120",
3f4cfa375bd6 mod_bosh: Trailing whitespace
Matthew Wild <mwild1@gmail.com>
parents: 2467
diff changeset
214 sid = sid, authid = sid, ver = '1.6', from = session.host, secure = 'true', ["xmpp:version"] = "1.0",
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
215 ["xmlns:xmpp"] = "urn:xmpp:xbosh", ["xmlns:stream"] = "http://etherx.jabber.org/streams" }):add_child(features);
866
8958fe4b2391 mod_bosh: Set Content-Type in response headers
Matthew Wild <mwild1@gmail.com>
parents: 816
diff changeset
216 request:send{ headers = default_headers, body = tostring(response) };
2473
3f4cfa375bd6 mod_bosh: Trailing whitespace
Matthew Wild <mwild1@gmail.com>
parents: 2467
diff changeset
217
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
218 request.sid = sid;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
219 return;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
220 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
221
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
222 local session = sessions[sid];
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
223 if not session then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
224 -- Unknown sid
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
225 log("info", "Client tried to use sid '%s' which we don't know about", sid);
866
8958fe4b2391 mod_bosh: Set Content-Type in response headers
Matthew Wild <mwild1@gmail.com>
parents: 816
diff changeset
226 request:send{ headers = default_headers, body = tostring(st.stanza("body", { xmlns = xmlns_bosh, type = "terminate", condition = "item-not-found" })) };
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
227 request.notopen = nil;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
228 return;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
229 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
230
1663
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
231 if session.rid then
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
232 local rid = tonumber(attr.rid);
1664
6587b6c2678e mod_bosh: Calculate rid difference just once
Matthew Wild <mwild1@gmail.com>
parents: 1663
diff changeset
233 local diff = rid - session.rid;
6587b6c2678e mod_bosh: Calculate rid difference just once
Matthew Wild <mwild1@gmail.com>
parents: 1663
diff changeset
234 if diff > 1 then
1663
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
235 session.log("warn", "rid too large (means a request was lost). Last rid: %d New rid: %s", session.rid, attr.rid);
1664
6587b6c2678e mod_bosh: Calculate rid difference just once
Matthew Wild <mwild1@gmail.com>
parents: 1663
diff changeset
236 elseif diff <= 0 then
1663
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
237 -- Repeated, ignore
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
238 session.log("debug", "rid repeated (on request %s), ignoring: %d", request.id, session.rid);
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
239 request.notopen = nil;
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
240 t_insert(session.requests, request);
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
241 return;
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
242 end
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
243 session.rid = rid;
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
244 end
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
245
679
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
246 if attr.type == "terminate" then
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
247 -- Client wants to end this session
684
b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve
Matthew Wild <mwild1@gmail.com>
parents: 683
diff changeset
248 session:close();
679
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
249 request.notopen = nil;
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
250 return;
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
251 end
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
252
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
253 -- If session was inactive, make sure it is now marked as not
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
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254 if #session.requests == 0 then
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
255 (session.log or log)("debug", "BOSH client now active again at %d", os_time());
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
256 inactive_sessions[session] = nil;
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
257 end
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
258
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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parents:
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259 if session.notopen then
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parents:
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260 local features = st.stanza("stream:features");
2608
68c43aaf681f mod_bosh: Fire stream-features event using new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 2486
diff changeset
261 hosts[session.host].events.fire_event("stream-features", { origin = session, features = features });
636
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parents:
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262 fire_event("stream-features", session, features);
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parents:
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263 session.send(features);
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parents:
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264 session.notopen = nil;
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parents:
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265 end
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parents:
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266
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parents:
diff changeset
267 request.notopen = nil; -- Signals that we accept this opening tag
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parents:
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268 t_insert(session.requests, request);
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parents:
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269 request.sid = sid;
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parents:
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270 end
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parents:
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271
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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parents:
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272 function stream_callbacks.handlestanza(request, stanza)
725
96110075288b Replacing pretty_print() with top_tag() for logging
Matthew Wild <mwild1@gmail.com>
parents: 701
diff changeset
273 log("debug", "BOSH stanza received: %s\n", stanza:top_tag());
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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parents:
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274 local session = sessions[request.sid];
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parents:
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275 if session then
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parents:
diff changeset
276 if stanza.attr.xmlns == xmlns_bosh then
2959
62a3f824292a mod_bosh: Default stanza namespace should be jabber:client (fixes BOSH to work with recent namespace fix)
Matthew Wild <mwild1@gmail.com>
parents: 2923
diff changeset
277 stanza.attr.xmlns = nil;
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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parents:
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278 end
2373
13090fc6ad90 mod_bosh: Update for new connection API
Matthew Wild <mwild1@gmail.com>
parents: 2354
diff changeset
279 session.ip = request.handler:ip();
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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parents:
diff changeset
280 core_process_stanza(session, stanza);
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parents:
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281 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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parents:
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282 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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parents:
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283
1864
b9389286eece mod_bosh: Fix for 'invalid key to next' error when 2 clients lose connection at the same time
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parents: 1633
diff changeset
284 local dead_sessions = {};
636
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parents:
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285 function on_timer()
660
b2c4a7ec31c6 Remove some old debugging code from mod_bosh
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parents: 636
diff changeset
286 -- log("debug", "Checking for requests soon to timeout...");
636
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parents:
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287 -- Identify requests timing out within the next few seconds
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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288 local now = os_time() + 3;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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parents:
diff changeset
289 for request in pairs(waiting_requests) do
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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parents:
diff changeset
290 if request.reply_before <= now then
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291 log("debug", "%s was soon to timeout, sending empty response", request.id);
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parents:
diff changeset
292 -- Send empty response to let the
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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parents:
diff changeset
293 -- client know we're still here
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parents:
diff changeset
294 if request.conn then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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parents:
diff changeset
295 sessions[request.sid].send("");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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parents:
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296 end
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parents:
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297 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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parents:
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298 end
679
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
299
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
300 now = now - 3;
1864
b9389286eece mod_bosh: Fix for 'invalid key to next' error when 2 clients lose connection at the same time
Matthew Wild <mwild1@gmail.com>
parents: 1633
diff changeset
301 local n_dead_sessions = 0;
679
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
302 for session, inactive_since in pairs(inactive_sessions) do
692
4a218377f4e3 BOSH: Fix for error when closed session was in inactive_sessions list
Matthew Wild <mwild1@gmail.com>
parents: 684
diff changeset
303 if session.bosh_max_inactive then
4a218377f4e3 BOSH: Fix for error when closed session was in inactive_sessions list
Matthew Wild <mwild1@gmail.com>
parents: 684
diff changeset
304 if now - inactive_since > session.bosh_max_inactive then
4a218377f4e3 BOSH: Fix for error when closed session was in inactive_sessions list
Matthew Wild <mwild1@gmail.com>
parents: 684
diff changeset
305 (session.log or log)("debug", "BOSH client inactive too long, destroying session at %d", now);
4a218377f4e3 BOSH: Fix for error when closed session was in inactive_sessions list
Matthew Wild <mwild1@gmail.com>
parents: 684
diff changeset
306 sessions[session.sid] = nil;
4a218377f4e3 BOSH: Fix for error when closed session was in inactive_sessions list
Matthew Wild <mwild1@gmail.com>
parents: 684
diff changeset
307 inactive_sessions[session] = nil;
1864
b9389286eece mod_bosh: Fix for 'invalid key to next' error when 2 clients lose connection at the same time
Matthew Wild <mwild1@gmail.com>
parents: 1633
diff changeset
308 n_dead_sessions = n_dead_sessions + 1;
b9389286eece mod_bosh: Fix for 'invalid key to next' error when 2 clients lose connection at the same time
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parents: 1633
diff changeset
309 dead_sessions[n_dead_sessions] = session;
692
4a218377f4e3 BOSH: Fix for error when closed session was in inactive_sessions list
Matthew Wild <mwild1@gmail.com>
parents: 684
diff changeset
310 end
693
d8b793e612a9 BOSH: Make previous fix a bit more efficient
Matthew Wild <mwild1@gmail.com>
parents: 692
diff changeset
311 else
679
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
312 inactive_sessions[session] = nil;
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
313 end
9506bf204b1a Numerous BOSH improvements... handle client disconnects, either explicit or implicit through inactivity; allow specifying BOSH default parameters through config; fix to prevent prematurely closing request connections in some cases, before they were replied to
Matthew Wild <mwild1@gmail.com>
parents: 660
diff changeset
314 end
1864
b9389286eece mod_bosh: Fix for 'invalid key to next' error when 2 clients lose connection at the same time
Matthew Wild <mwild1@gmail.com>
parents: 1633
diff changeset
315
b9389286eece mod_bosh: Fix for 'invalid key to next' error when 2 clients lose connection at the same time
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parents: 1633
diff changeset
316 for i=1,n_dead_sessions do
b9389286eece mod_bosh: Fix for 'invalid key to next' error when 2 clients lose connection at the same time
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parents: 1633
diff changeset
317 local session = dead_sessions[i];
b9389286eece mod_bosh: Fix for 'invalid key to next' error when 2 clients lose connection at the same time
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parents: 1633
diff changeset
318 dead_sessions[i] = nil;
b9389286eece mod_bosh: Fix for 'invalid key to next' error when 2 clients lose connection at the same time
Matthew Wild <mwild1@gmail.com>
parents: 1633
diff changeset
319 sm_destroy_session(session, "BOSH client silent for over "..session.bosh_max_inactive.." seconds");
b9389286eece mod_bosh: Fix for 'invalid key to next' error when 2 clients lose connection at the same time
Matthew Wild <mwild1@gmail.com>
parents: 1633
diff changeset
320 end
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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parents:
diff changeset
321 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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parents:
diff changeset
322
701
dc67e3cffff4 BOSH: Allow BOSH servers to be configured through config file
Matthew Wild <mwild1@gmail.com>
parents: 693
diff changeset
323
2354
5a00668ba0ab mod_bosh: Delay setup until after server is started.
Waqas Hussain <waqas20@gmail.com>
parents: 2099
diff changeset
324 local function setup()
5a00668ba0ab mod_bosh: Delay setup until after server is started.
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parents: 2099
diff changeset
325 local ports = module:get_option("bosh_ports") or { 5280 };
5a00668ba0ab mod_bosh: Delay setup until after server is started.
Waqas Hussain <waqas20@gmail.com>
parents: 2099
diff changeset
326 httpserver.new_from_config(ports, handle_request, { base = "http-bind" });
5a00668ba0ab mod_bosh: Delay setup until after server is started.
Waqas Hussain <waqas20@gmail.com>
parents: 2099
diff changeset
327 server.addtimer(on_timer);
5a00668ba0ab mod_bosh: Delay setup until after server is started.
Waqas Hussain <waqas20@gmail.com>
parents: 2099
diff changeset
328 end
5a00668ba0ab mod_bosh: Delay setup until after server is started.
Waqas Hussain <waqas20@gmail.com>
parents: 2099
diff changeset
329 if prosody.start_time then -- already started
5a00668ba0ab mod_bosh: Delay setup until after server is started.
Waqas Hussain <waqas20@gmail.com>
parents: 2099
diff changeset
330 setup();
5a00668ba0ab mod_bosh: Delay setup until after server is started.
Waqas Hussain <waqas20@gmail.com>
parents: 2099
diff changeset
331 else
5a00668ba0ab mod_bosh: Delay setup until after server is started.
Waqas Hussain <waqas20@gmail.com>
parents: 2099
diff changeset
332 prosody.events.add_handler("server-started", setup);
5a00668ba0ab mod_bosh: Delay setup until after server is started.
Waqas Hussain <waqas20@gmail.com>
parents: 2099
diff changeset
333 end