prosody
61cf3e7d7f07
plugins/mod_bosh.lua

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plugins/mod_bosh.lua @ 3472:61cf3e7d7f07

mod_bosh: Support for reading the client's real IP through HTTP proxies from X-Forwarded-For
author Matthew Wild <mwild1@gmail.com>
date Sat, 28 Aug 2010 22:25:12 +0100
parent 3460:742f6e5a4066
child 3492:6d782b1fcc8a
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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 = prosody.events.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_streams = "http://etherx.jabber.org/streams";
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26 local xmlns_xmpp_streams = "urn:ietf:params:xml:ns:xmpp-streams";
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27 local xmlns_bosh = "http://jabber.org/protocol/httpbind"; -- (hard-coded into a literal in session.send)
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29 local stream_callbacks = {
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30 stream_ns = xmlns_bosh, stream_tag = "body", default_ns = "jabber:client" };
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32 local BOSH_DEFAULT_HOLD = tonumber(module:get_option("bosh_default_hold")) or 1;
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33 local BOSH_DEFAULT_INACTIVITY = tonumber(module:get_option("bosh_max_inactivity")) or 60;
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34 local BOSH_DEFAULT_POLLING = tonumber(module:get_option("bosh_max_polling")) or 5;
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35 local BOSH_DEFAULT_REQUESTS = tonumber(module:get_option("bosh_max_requests")) or 2;
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36 local BOSH_DEFAULT_MAXPAUSE = tonumber(module:get_option("bosh_max_pause")) or 300;
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37
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38 local consider_bosh_secure = module:get_option_boolean("consider_bosh_secure");
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39
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40 local default_headers = { ["Content-Type"] = "text/xml; charset=utf-8" };
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41
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42 local cross_domain = module:get_option("cross_domain_bosh");
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43 if cross_domain then
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44 default_headers["Access-Control-Allow-Methods"] = "GET, POST, OPTIONS";
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45 default_headers["Access-Control-Allow-Headers"] = "Content-Type";
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46 default_headers["Access-Control-Max-Age"] = "7200";
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48 if cross_domain == true then
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49 default_headers["Access-Control-Allow-Origin"] = "*";
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50 elseif type(cross_domain) == "table" then
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51 cross_domain = table.concat(cross_domain, ", ");
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52 end
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53 if type(cross_domain) == "string" then
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54 default_headers["Access-Control-Allow-Origin"] = cross_domain;
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55 end
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56 end
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57
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58 local trusted_proxies = module:get_option_set("trusted_proxies", {"127.0.0.1"})._items;
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59
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60 local function get_ip_from_request(request)
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61 local ip = request.handler:ip();
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62 local forwarded_for = request.headers["x-forwarded-for"];
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63 if forwarded_for then
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64 forwarded_for = forwarded_for..", "..ip;
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65 for forwarded_ip in forwarded_for:gmatch("[^%s,]+") do
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66 if not trusted_proxies[forwarded_ip] then
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67 ip = forwarded_ip;
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68 end
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69 end
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70 end
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71 return ip;
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72 end
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73
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74 local t_insert, t_remove, t_concat = table.insert, table.remove, table.concat;
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75 local os_time = os.time;
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76
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77 local sessions = {};
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78 local inactive_sessions = {}; -- Sessions which have no open requests
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79
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80 -- Used to respond to idle sessions (those with waiting requests)
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81 local waiting_requests = {};
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82 function on_destroy_request(request)
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83 waiting_requests[request] = nil;
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84 local session = sessions[request.sid];
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85 if session then
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86 local requests = session.requests;
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87 for i,r in ipairs(requests) do
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88 if r == request then
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89 t_remove(requests, i);
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90 break;
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91 end
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92 end
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93
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94 -- If this session now has no requests open, mark it as inactive
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95 if #requests == 0 and session.bosh_max_inactive and not inactive_sessions[session] then
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96 inactive_sessions[session] = os_time();
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97 (session.log or log)("debug", "BOSH session marked as inactive at %d", inactive_sessions[session]);
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98 end
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99 end
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100 end
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101
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102 function handle_request(method, body, request)
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103 if (not body) or request.method ~= "POST" then
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104 if request.method == "OPTIONS" then
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105 return { headers = default_headers, body = "" };
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106 else
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107 return "<html><body>You really don't look like a BOSH client to me... what do you want?</body></html>";
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108 end
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109 end
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110 if not method then
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111 log("debug", "Request %s suffered error %s", tostring(request.id), body);
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112 return;
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113 end
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114 --log("debug", "Handling new request %s: %s\n----------", request.id, tostring(body));
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115 request.notopen = true;
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116 request.log = log;
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117 request.on_destroy = on_destroy_request;
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118
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119 local parser = lxp.new(init_xmlhandlers(request, stream_callbacks), "\1");
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120
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121 parser:parse(body);
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diff changeset
122
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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diff changeset
123 local session = sessions[request.sid];
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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diff changeset
124 if session then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
125 local r = session.requests;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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parents:
diff changeset
126 log("debug", "Session %s has %d out of %d requests open", request.sid, #r, session.bosh_hold);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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diff changeset
127 log("debug", "and there are %d things in the send_buffer", #session.send_buffer);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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parents:
diff changeset
128 if #r > session.bosh_hold then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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parents:
diff changeset
129 -- We are holding too many requests, send what's in the buffer,
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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parents:
diff changeset
130 log("debug", "We are holding too many requests, so...");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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parents:
diff changeset
131 if #session.send_buffer > 0 then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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diff changeset
132 log("debug", "...sending what is in the buffer")
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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133 session.send(t_concat(session.send_buffer));
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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parents:
diff changeset
134 session.send_buffer = {};
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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parents:
diff changeset
135 else
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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parents:
diff changeset
136 -- or an empty response
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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parents:
diff changeset
137 log("debug", "...sending an empty response");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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parents:
diff changeset
138 session.send("");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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parents:
diff changeset
139 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
140 elseif #session.send_buffer > 0 then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
141 log("debug", "Session has data in the send buffer, will send now..");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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diff changeset
142 local resp = t_concat(session.send_buffer);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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diff changeset
143 session.send_buffer = {};
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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diff changeset
144 session.send(resp);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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diff changeset
145 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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146
3042
b1961f6c9853 mod_bosh: Always give requests a destroy handler, so that the management of each session's request array and the inactive_sessions logic can happen in one place. Simplifies everything and concludes this series of BOSH fixes.
Matthew Wild <mwild1@gmail.com>
parents: 3041
diff changeset
147 if not request.destroyed then
b1961f6c9853 mod_bosh: Always give requests a destroy handler, so that the management of each session's request array and the inactive_sessions logic can happen in one place. Simplifies everything and concludes this series of BOSH fixes.
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parents: 3041
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148 -- We're keeping this request open, to respond later
b1961f6c9853 mod_bosh: Always give requests a destroy handler, so that the management of each session's request array and the inactive_sessions logic can happen in one place. Simplifies everything and concludes this series of BOSH fixes.
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parents: 3041
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149 log("debug", "Have nothing to say, so leaving request unanswered for now");
b1961f6c9853 mod_bosh: Always give requests a destroy handler, so that the management of each session's request array and the inactive_sessions logic can happen in one place. Simplifies everything and concludes this series of BOSH fixes.
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parents: 3041
diff changeset
150 if session.bosh_wait then
b1961f6c9853 mod_bosh: Always give requests a destroy handler, so that the management of each session's request array and the inactive_sessions logic can happen in one place. Simplifies everything and concludes this series of BOSH fixes.
Matthew Wild <mwild1@gmail.com>
parents: 3041
diff changeset
151 request.reply_before = os_time() + session.bosh_wait;
b1961f6c9853 mod_bosh: Always give requests a destroy handler, so that the management of each session's request array and the inactive_sessions logic can happen in one place. Simplifies everything and concludes this series of BOSH fixes.
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parents: 3041
diff changeset
152 waiting_requests[request] = true;
b1961f6c9853 mod_bosh: Always give requests a destroy handler, so that the management of each session's request array and the inactive_sessions logic can happen in one place. Simplifies everything and concludes this series of BOSH fixes.
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parents: 3041
diff changeset
153 end
b1961f6c9853 mod_bosh: Always give requests a destroy handler, so that the management of each session's request array and the inactive_sessions logic can happen in one place. Simplifies everything and concludes this series of BOSH fixes.
Matthew Wild <mwild1@gmail.com>
parents: 3041
diff changeset
154 if inactive_sessions[session] then
b1961f6c9853 mod_bosh: Always give requests a destroy handler, so that the management of each session's request array and the inactive_sessions logic can happen in one place. Simplifies everything and concludes this series of BOSH fixes.
Matthew Wild <mwild1@gmail.com>
parents: 3041
diff changeset
155 -- Session was marked as inactive, since we have
b1961f6c9853 mod_bosh: Always give requests a destroy handler, so that the management of each session's request array and the inactive_sessions logic can happen in one place. Simplifies everything and concludes this series of BOSH fixes.
Matthew Wild <mwild1@gmail.com>
parents: 3041
diff changeset
156 -- a request open now, unmark it
b1961f6c9853 mod_bosh: Always give requests a destroy handler, so that the management of each session's request array and the inactive_sessions logic can happen in one place. Simplifies everything and concludes this series of BOSH fixes.
Matthew Wild <mwild1@gmail.com>
parents: 3041
diff changeset
157 inactive_sessions[session] = nil;
b1961f6c9853 mod_bosh: Always give requests a destroy handler, so that the management of each session's request array and the inactive_sessions logic can happen in one place. Simplifies everything and concludes this series of BOSH fixes.
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parents: 3041
diff changeset
158 end
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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159 end
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160
3042
b1961f6c9853 mod_bosh: Always give requests a destroy handler, so that the management of each session's request array and the inactive_sessions logic can happen in one place. Simplifies everything and concludes this series of BOSH fixes.
Matthew Wild <mwild1@gmail.com>
parents: 3041
diff changeset
161 return true; -- Inform httpserver we shall reply later
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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162 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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diff changeset
163 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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diff changeset
164
684
b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve
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parents: 683
diff changeset
165
636
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diff changeset
166 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
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parents: 683
diff changeset
167
3448
0ca7c3864431 mod_bosh: Much improve session:close() for BOSH sessions, so it now matches in usage normal session:close()
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parents: 3447
diff changeset
168 local stream_xmlns_attr = { xmlns = "urn:ietf:params:xml:ns:xmpp-streams" };
0ca7c3864431 mod_bosh: Much improve session:close() for BOSH sessions, so it now matches in usage normal session:close()
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parents: 3447
diff changeset
169
684
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parents: 683
diff changeset
170 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
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parents: 683
diff changeset
171 (session.log or log)("info", "BOSH client disconnected");
3448
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parents: 3447
diff changeset
172
0ca7c3864431 mod_bosh: Much improve session:close() for BOSH sessions, so it now matches in usage normal session:close()
Matthew Wild <mwild1@gmail.com>
parents: 3447
diff changeset
173 local close_reply = st.stanza("body", { xmlns = xmlns_bosh, type = "terminate",
0ca7c3864431 mod_bosh: Much improve session:close() for BOSH sessions, so it now matches in usage normal session:close()
Matthew Wild <mwild1@gmail.com>
parents: 3447
diff changeset
174 ["xmlns:streams"] = xmlns_streams });
0ca7c3864431 mod_bosh: Much improve session:close() for BOSH sessions, so it now matches in usage normal session:close()
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parents: 3447
diff changeset
175
0ca7c3864431 mod_bosh: Much improve session:close() for BOSH sessions, so it now matches in usage normal session:close()
Matthew Wild <mwild1@gmail.com>
parents: 3447
diff changeset
176
0ca7c3864431 mod_bosh: Much improve session:close() for BOSH sessions, so it now matches in usage normal session:close()
Matthew Wild <mwild1@gmail.com>
parents: 3447
diff changeset
177 if reason then
0ca7c3864431 mod_bosh: Much improve session:close() for BOSH sessions, so it now matches in usage normal session:close()
Matthew Wild <mwild1@gmail.com>
parents: 3447
diff changeset
178 close_reply.attr.condition = "remote-stream-error";
0ca7c3864431 mod_bosh: Much improve session:close() for BOSH sessions, so it now matches in usage normal session:close()
Matthew Wild <mwild1@gmail.com>
parents: 3447
diff changeset
179 if type(reason) == "string" then -- assume stream error
0ca7c3864431 mod_bosh: Much improve session:close() for BOSH sessions, so it now matches in usage normal session:close()
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parents: 3447
diff changeset
180 close_reply:tag("stream:error")
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parents: 3447
diff changeset
181 :tag(reason, {xmlns = xmlns_xmpp_streams});
0ca7c3864431 mod_bosh: Much improve session:close() for BOSH sessions, so it now matches in usage normal session:close()
Matthew Wild <mwild1@gmail.com>
parents: 3447
diff changeset
182 elseif type(reason) == "table" then
0ca7c3864431 mod_bosh: Much improve session:close() for BOSH sessions, so it now matches in usage normal session:close()
Matthew Wild <mwild1@gmail.com>
parents: 3447
diff changeset
183 if reason.condition then
0ca7c3864431 mod_bosh: Much improve session:close() for BOSH sessions, so it now matches in usage normal session:close()
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parents: 3447
diff changeset
184 close_reply:tag("stream:error")
0ca7c3864431 mod_bosh: Much improve session:close() for BOSH sessions, so it now matches in usage normal session:close()
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parents: 3447
diff changeset
185 :tag(reason.condition, stream_xmlns_attr):up();
0ca7c3864431 mod_bosh: Much improve session:close() for BOSH sessions, so it now matches in usage normal session:close()
Matthew Wild <mwild1@gmail.com>
parents: 3447
diff changeset
186 if reason.text then
0ca7c3864431 mod_bosh: Much improve session:close() for BOSH sessions, so it now matches in usage normal session:close()
Matthew Wild <mwild1@gmail.com>
parents: 3447
diff changeset
187 close_reply:tag("text", stream_xmlns_attr):text(reason.text):up();
0ca7c3864431 mod_bosh: Much improve session:close() for BOSH sessions, so it now matches in usage normal session:close()
Matthew Wild <mwild1@gmail.com>
parents: 3447
diff changeset
188 end
0ca7c3864431 mod_bosh: Much improve session:close() for BOSH sessions, so it now matches in usage normal session:close()
Matthew Wild <mwild1@gmail.com>
parents: 3447
diff changeset
189 if reason.extra then
0ca7c3864431 mod_bosh: Much improve session:close() for BOSH sessions, so it now matches in usage normal session:close()
Matthew Wild <mwild1@gmail.com>
parents: 3447
diff changeset
190 close_reply:add_child(reason.extra);
0ca7c3864431 mod_bosh: Much improve session:close() for BOSH sessions, so it now matches in usage normal session:close()
Matthew Wild <mwild1@gmail.com>
parents: 3447
diff changeset
191 end
0ca7c3864431 mod_bosh: Much improve session:close() for BOSH sessions, so it now matches in usage normal session:close()
Matthew Wild <mwild1@gmail.com>
parents: 3447
diff changeset
192 elseif reason.name then -- a stanza
0ca7c3864431 mod_bosh: Much improve session:close() for BOSH sessions, so it now matches in usage normal session:close()
Matthew Wild <mwild1@gmail.com>
parents: 3447
diff changeset
193 close_reply = reason;
0ca7c3864431 mod_bosh: Much improve session:close() for BOSH sessions, so it now matches in usage normal session:close()
Matthew Wild <mwild1@gmail.com>
parents: 3447
diff changeset
194 end
0ca7c3864431 mod_bosh: Much improve session:close() for BOSH sessions, so it now matches in usage normal session:close()
Matthew Wild <mwild1@gmail.com>
parents: 3447
diff changeset
195 end
0ca7c3864431 mod_bosh: Much improve session:close() for BOSH sessions, so it now matches in usage normal session:close()
Matthew Wild <mwild1@gmail.com>
parents: 3447
diff changeset
196 log("info", "Disconnecting client, <stream:error> is: %s", tostring(close_reply));
0ca7c3864431 mod_bosh: Much improve session:close() for BOSH sessions, so it now matches in usage normal session:close()
Matthew Wild <mwild1@gmail.com>
parents: 3447
diff changeset
197 end
0ca7c3864431 mod_bosh: Much improve session:close() for BOSH sessions, so it now matches in usage normal session:close()
Matthew Wild <mwild1@gmail.com>
parents: 3447
diff changeset
198
0ca7c3864431 mod_bosh: Much improve session:close() for BOSH sessions, so it now matches in usage normal session:close()
Matthew Wild <mwild1@gmail.com>
parents: 3447
diff changeset
199 local session_close_response = { headers = default_headers, body = tostring(close_reply) };
0ca7c3864431 mod_bosh: Much improve session:close() for BOSH sessions, so it now matches in usage normal session:close()
Matthew Wild <mwild1@gmail.com>
parents: 3447
diff changeset
200
0ca7c3864431 mod_bosh: Much improve session:close() for BOSH sessions, so it now matches in usage normal session:close()
Matthew Wild <mwild1@gmail.com>
parents: 3447
diff changeset
201 --FIXME: Quite sure we shouldn't reply to all requests with the error
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
202 for _, held_request in ipairs(session.requests) do
3448
0ca7c3864431 mod_bosh: Much improve session:close() for BOSH sessions, so it now matches in usage normal session:close()
Matthew Wild <mwild1@gmail.com>
parents: 3447
diff changeset
203 held_request:send(session_close_response);
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
204 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
205 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
206 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
207 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
208 end
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
209
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
210 function stream_callbacks.streamopened(request, attr)
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
211 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
212 local sid = attr.sid
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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parents:
diff changeset
213 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
214 -- 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
215 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
216
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
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parents:
diff changeset
217 -- 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
218 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
219 -- Unknown host
1048
45fc590539cd mod_bosh: Add log message for clients connecting to unknown host
Matthew Wild <mwild1@gmail.com>
parents: 1047
diff changeset
220 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
221 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
222 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
223 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
224 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
225 end
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
226
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
227 -- New session
763
8e77a39826c2 mod_bosh: No need to tostring() uuids now
Matthew Wild <mwild1@gmail.com>
parents: 725
diff changeset
228 sid = new_uuid();
3071
39a870ae75d9 mod_bosh: Re-layout session object creation to make lines shorter
Matthew Wild <mwild1@gmail.com>
parents: 3070
diff changeset
229 local session = {
3460
742f6e5a4066 mod_bosh: Don't adjust rid when creating a session, as this is no longer necessary and causes a log message ('rid too large') to be erroneously printed, fixes #203
Matthew Wild <mwild1@gmail.com>
parents: 3450
diff changeset
230 type = "c2s_unauthed", conn = {}, sid = sid, rid = tonumber(attr.rid), host = attr.to,
3071
39a870ae75d9 mod_bosh: Re-layout session object creation to make lines shorter
Matthew Wild <mwild1@gmail.com>
parents: 3070
diff changeset
231 bosh_version = attr.ver, bosh_wait = attr.wait, streamid = sid,
39a870ae75d9 mod_bosh: Re-layout session object creation to make lines shorter
Matthew Wild <mwild1@gmail.com>
parents: 3070
diff changeset
232 bosh_hold = BOSH_DEFAULT_HOLD, bosh_max_inactive = BOSH_DEFAULT_INACTIVITY,
39a870ae75d9 mod_bosh: Re-layout session object creation to make lines shorter
Matthew Wild <mwild1@gmail.com>
parents: 3070
diff changeset
233 requests = { }, send_buffer = {}, reset_stream = bosh_reset_stream,
39a870ae75d9 mod_bosh: Re-layout session object creation to make lines shorter
Matthew Wild <mwild1@gmail.com>
parents: 3070
diff changeset
234 close = bosh_close_stream, dispatch_stanza = core_process_stanza,
3472
61cf3e7d7f07 mod_bosh: Support for reading the client's real IP through HTTP proxies from X-Forwarded-For
Matthew Wild <mwild1@gmail.com>
parents: 3460
diff changeset
235 log = logger.init("bosh"..sid), secure = consider_bosh_secure or request.secure,
61cf3e7d7f07 mod_bosh: Support for reading the client's real IP through HTTP proxies from X-Forwarded-For
Matthew Wild <mwild1@gmail.com>
parents: 3460
diff changeset
236 ip = get_ip_from_request(request);
3071
39a870ae75d9 mod_bosh: Re-layout session object creation to make lines shorter
Matthew Wild <mwild1@gmail.com>
parents: 3070
diff changeset
237 };
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
238 sessions[sid] = session;
1109
bb21eb3cd364 mod_bosh: Give BOSH sessions a logger (thanks Florob)
Matthew Wild <mwild1@gmail.com>
parents: 1049
diff changeset
239
3472
61cf3e7d7f07 mod_bosh: Support for reading the client's real IP through HTTP proxies from X-Forwarded-For
Matthew Wild <mwild1@gmail.com>
parents: 3460
diff changeset
240 session.log("debug", "BOSH session created for request from %s", session.ip);
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
241 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
242 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
243 local response = { headers = default_headers }
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
244 function session.send(s)
3322
c4e107e7c883 mod_bosh: Add jabber:client namespace to stanzas with no namespace
Matthew Wild <mwild1@gmail.com>
parents: 3071
diff changeset
245 -- We need to ensure that outgoing stanzas have the jabber:client xmlns
c4e107e7c883 mod_bosh: Add jabber:client namespace to stanzas with no namespace
Matthew Wild <mwild1@gmail.com>
parents: 3071
diff changeset
246 if s.attr and not s.attr.xmlns then
c4e107e7c883 mod_bosh: Add jabber:client namespace to stanzas with no namespace
Matthew Wild <mwild1@gmail.com>
parents: 3071
diff changeset
247 s = st.clone(s);
c4e107e7c883 mod_bosh: Add jabber:client namespace to stanzas with no namespace
Matthew Wild <mwild1@gmail.com>
parents: 3071
diff changeset
248 s.attr.xmlns = "jabber:client";
c4e107e7c883 mod_bosh: Add jabber:client namespace to stanzas with no namespace
Matthew Wild <mwild1@gmail.com>
parents: 3071
diff changeset
249 end
2099
73e083d01449 mod_bosh: Don't log response XML
Matthew Wild <mwild1@gmail.com>
parents: 2084
diff changeset
250 --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
251 local oldest_request = r[1];
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
252 if oldest_request then
2099
73e083d01449 mod_bosh: Don't log response XML
Matthew Wild <mwild1@gmail.com>
parents: 2084
diff changeset
253 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
254 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
255 oldest_request:send(response);
771
ecdf72f9b085 Remove redundant logging and debug printing from mod_bosh
Matthew Wild <mwild1@gmail.com>
parents: 763
diff changeset
256 --log("debug", "Sent");
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
257 if oldest_request.stayopen then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
258 if #r>1 then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
259 -- Move front request to back
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
260 t_insert(r, oldest_request);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
261 t_remove(r, 1);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
262 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
263 else
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
264 log("debug", "Destroying the request now...");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
265 oldest_request:destroy();
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
266 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
267 elseif s ~= "" then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
268 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
269 -- Hmm, no requests are open :(
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
270 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
271 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
272 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
273 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
274
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
275 -- Send creation response
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
276
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
277 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
278 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
279 fire_event("stream-features", session, features);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
280 --xmpp:version='1.0' xmlns:xmpp='urn:xmpp:xbosh'
2473
3f4cfa375bd6 mod_bosh: Trailing whitespace
Matthew Wild <mwild1@gmail.com>
parents: 2467
diff changeset
281 local response = st.stanza("body", { xmlns = xmlns_bosh,
3f4cfa375bd6 mod_bosh: Trailing whitespace
Matthew Wild <mwild1@gmail.com>
parents: 2467
diff changeset
282 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
283 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
284 ["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
285 request:send{ headers = default_headers, body = tostring(response) };
2473
3f4cfa375bd6 mod_bosh: Trailing whitespace
Matthew Wild <mwild1@gmail.com>
parents: 2467
diff changeset
286
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
287 request.sid = sid;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
288 return;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
289 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
290
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
291 local session = sessions[sid];
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
292 if not session then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
293 -- Unknown sid
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
294 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
295 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
296 request.notopen = nil;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
297 return;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
298 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
299
1663
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
300 if session.rid then
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
301 local rid = tonumber(attr.rid);
1664
6587b6c2678e mod_bosh: Calculate rid difference just once
Matthew Wild <mwild1@gmail.com>
parents: 1663
diff changeset
302 local diff = rid - session.rid;
6587b6c2678e mod_bosh: Calculate rid difference just once
Matthew Wild <mwild1@gmail.com>
parents: 1663
diff changeset
303 if diff > 1 then
1663
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
304 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
305 elseif diff <= 0 then
1663
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
306 -- Repeated, ignore
3041
7489ac1d5938 mod_bosh: Fix handling of rids by not dropping requests with repeated rids (assign them their sid instead), and always starting a session with first_rid-1.
Matthew Wild <mwild1@gmail.com>
parents: 3040
diff changeset
307 session.log("debug", "rid repeated (on request %s), ignoring: %s (diff %d)", request.id, session.rid, diff);
1663
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
308 request.notopen = nil;
3450
4bd78a5fee75 mod_bosh: Fix to properly ignore repeated requests
Matthew Wild <mwild1@gmail.com>
parents: 3449
diff changeset
309 request.ignore = true;
3041
7489ac1d5938 mod_bosh: Fix handling of rids by not dropping requests with repeated rids (assign them their sid instead), and always starting a session with first_rid-1.
Matthew Wild <mwild1@gmail.com>
parents: 3040
diff changeset
310 request.sid = sid;
1663
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
311 t_insert(session.requests, request);
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
312 return;
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
313 end
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
314 session.rid = rid;
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
315 end
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
316
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
317 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
318 -- 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
319 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
320 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
321 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
322 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
323
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
324 if session.notopen then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
325 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
326 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
327 fire_event("stream-features", session, features);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
328 session.send(features);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
329 session.notopen = nil;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
330 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
331
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
332 request.notopen = nil; -- Signals that we accept this opening tag
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
333 t_insert(session.requests, request);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
334 request.sid = sid;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
335 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
336
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
337 function stream_callbacks.handlestanza(request, stanza)
3450
4bd78a5fee75 mod_bosh: Fix to properly ignore repeated requests
Matthew Wild <mwild1@gmail.com>
parents: 3449
diff changeset
338 if request.ignore then return; end
725
96110075288b Replacing pretty_print() with top_tag() for logging
Matthew Wild <mwild1@gmail.com>
parents: 701
diff changeset
339 log("debug", "BOSH stanza received: %s\n", stanza:top_tag());
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
340 local session = sessions[request.sid];
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
341 if session then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
342 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
343 stanza.attr.xmlns = nil;
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
344 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
345 core_process_stanza(session, stanza);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
346 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
347 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
348
3447
cc2dc55e66f9 mod_bosh: Add error callback for xmlhandlers, to handle the case of invalid or unusable XML in the request payload
Matthew Wild <mwild1@gmail.com>
parents: 3439
diff changeset
349 function stream_callbacks.error(request, error)
cc2dc55e66f9 mod_bosh: Add error callback for xmlhandlers, to handle the case of invalid or unusable XML in the request payload
Matthew Wild <mwild1@gmail.com>
parents: 3439
diff changeset
350 log("debug", "Error parsing BOSH request payload; %s", error);
cc2dc55e66f9 mod_bosh: Add error callback for xmlhandlers, to handle the case of invalid or unusable XML in the request payload
Matthew Wild <mwild1@gmail.com>
parents: 3439
diff changeset
351 if not request.sid then
cc2dc55e66f9 mod_bosh: Add error callback for xmlhandlers, to handle the case of invalid or unusable XML in the request payload
Matthew Wild <mwild1@gmail.com>
parents: 3439
diff changeset
352 request:send({ headers = default_headers, status = "400 Bad Request" });
cc2dc55e66f9 mod_bosh: Add error callback for xmlhandlers, to handle the case of invalid or unusable XML in the request payload
Matthew Wild <mwild1@gmail.com>
parents: 3439
diff changeset
353 return;
cc2dc55e66f9 mod_bosh: Add error callback for xmlhandlers, to handle the case of invalid or unusable XML in the request payload
Matthew Wild <mwild1@gmail.com>
parents: 3439
diff changeset
354 end
cc2dc55e66f9 mod_bosh: Add error callback for xmlhandlers, to handle the case of invalid or unusable XML in the request payload
Matthew Wild <mwild1@gmail.com>
parents: 3439
diff changeset
355
cc2dc55e66f9 mod_bosh: Add error callback for xmlhandlers, to handle the case of invalid or unusable XML in the request payload
Matthew Wild <mwild1@gmail.com>
parents: 3439
diff changeset
356 local session = sessions[request.sid];
cc2dc55e66f9 mod_bosh: Add error callback for xmlhandlers, to handle the case of invalid or unusable XML in the request payload
Matthew Wild <mwild1@gmail.com>
parents: 3439
diff changeset
357 if error == "stream-error" then -- Remote stream error, we close normally
cc2dc55e66f9 mod_bosh: Add error callback for xmlhandlers, to handle the case of invalid or unusable XML in the request payload
Matthew Wild <mwild1@gmail.com>
parents: 3439
diff changeset
358 session:close();
cc2dc55e66f9 mod_bosh: Add error callback for xmlhandlers, to handle the case of invalid or unusable XML in the request payload
Matthew Wild <mwild1@gmail.com>
parents: 3439
diff changeset
359 else
cc2dc55e66f9 mod_bosh: Add error callback for xmlhandlers, to handle the case of invalid or unusable XML in the request payload
Matthew Wild <mwild1@gmail.com>
parents: 3439
diff changeset
360 session:close({ condition = "bad-format", text = "Error processing stream" });
cc2dc55e66f9 mod_bosh: Add error callback for xmlhandlers, to handle the case of invalid or unusable XML in the request payload
Matthew Wild <mwild1@gmail.com>
parents: 3439
diff changeset
361 end
cc2dc55e66f9 mod_bosh: Add error callback for xmlhandlers, to handle the case of invalid or unusable XML in the request payload
Matthew Wild <mwild1@gmail.com>
parents: 3439
diff changeset
362 end
cc2dc55e66f9 mod_bosh: Add error callback for xmlhandlers, to handle the case of invalid or unusable XML in the request payload
Matthew Wild <mwild1@gmail.com>
parents: 3439
diff changeset
363
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
364 local dead_sessions = {};
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
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365 function on_timer()
660
b2c4a7ec31c6 Remove some old debugging code from mod_bosh
Matthew Wild <mwild1@gmail.com>
parents: 636
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366 -- log("debug", "Checking for requests soon to timeout...");
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
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367 -- Identify requests timing out within the next few seconds
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
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368 local now = os_time() + 3;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
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369 for request in pairs(waiting_requests) do
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
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370 if request.reply_before <= now then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
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371 log("debug", "%s was soon to timeout, sending empty response", request.id);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
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372 -- Send empty response to let the
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
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373 -- client know we're still here
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
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374 if request.conn then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
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375 sessions[request.sid].send("");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
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376 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
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377 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
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378 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
379
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
380 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
381 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
382 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
383 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
384 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
385 (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
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386 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
387 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
388 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
Matthew Wild <mwild1@gmail.com>
parents: 1633
diff changeset
389 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
390 end
693
d8b793e612a9 BOSH: Make previous fix a bit more efficient
Matthew Wild <mwild1@gmail.com>
parents: 692
diff changeset
391 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
392 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
393 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
394 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
395
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
396 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
Matthew Wild <mwild1@gmail.com>
parents: 1633
diff changeset
397 local session = dead_sessions[i];
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
398 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
399 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
400 end
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
401 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
402
701
dc67e3cffff4 BOSH: Allow BOSH servers to be configured through config file
Matthew Wild <mwild1@gmail.com>
parents: 693
diff changeset
403
2354
5a00668ba0ab mod_bosh: Delay setup until after server is started.
Waqas Hussain <waqas20@gmail.com>
parents: 2099
diff changeset
404 local function setup()
5a00668ba0ab mod_bosh: Delay setup until after server is started.
Waqas Hussain <waqas20@gmail.com>
parents: 2099
diff changeset
405 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
406 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
407 server.addtimer(on_timer);
5a00668ba0ab mod_bosh: Delay setup until after server is started.
Waqas Hussain <waqas20@gmail.com>
parents: 2099
diff changeset
408 end
5a00668ba0ab mod_bosh: Delay setup until after server is started.
Waqas Hussain <waqas20@gmail.com>
parents: 2099
diff changeset
409 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
410 setup();
5a00668ba0ab mod_bosh: Delay setup until after server is started.
Waqas Hussain <waqas20@gmail.com>
parents: 2099
diff changeset
411 else
5a00668ba0ab mod_bosh: Delay setup until after server is started.
Waqas Hussain <waqas20@gmail.com>
parents: 2099
diff changeset
412 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
413 end