Annotate

plugins/mod_bosh.lua @ 7114:51cf09bb74eb

util.random: Restore friendlier error from 0.9/util.uuid
author Kim Alvefur <zash@zash.se>
date Sun, 31 Jan 2016 17:27:15 +0100
parent 7047:9ca2b720ad43
child 7048:b58fd349ddfe
child 7283:32754b15b28a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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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403b56b78018 mod_posix, mod_bosh, mod_admin_telnet: Use module:set_global()
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9 module:set_global(); -- Global module
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10
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11 local hosts = _G.hosts;
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12 local new_xmpp_stream = require "util.xmppstream".new;
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13 local sm = require "core.sessionmanager";
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14 local sm_destroy_session = sm.destroy_session;
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15 local new_uuid = require "util.uuid".generate;
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16 local fire_event = prosody.events.fire_event;
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ab693eea0869 mod_admin_adhoc, mod_admin_telnet, mod_bosh, mod_c2s, mod_component, mod_pep, mod_presence, mod_roster, mod_s2s: Import core_post_stanza from the global prosody table.
Kim Alvefur <zash@zash.se>
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17 local core_process_stanza = prosody.core_process_stanza;
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18 local st = require "util.stanza";
1109
bb21eb3cd364 mod_bosh: Give BOSH sessions a logger (thanks Florob)
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19 local logger = require "util.logger";
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20 local log = logger.init("mod_bosh");
5187
d71f731e8fe4 mod_bosh: Add support for stanza filters to BOSH sessions (needed by some plugins)
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21 local initialize_filters = require "util.filters".initialize;
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22 local math_min = math.min;
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23 local xpcall, tostring, type = xpcall, tostring, type;
372ecf3630cf mod_bosh: pcall() core_process_stanza per stanza, to bring in line with other listeners. This ensures that stanzas following a traceback-causing stanza in a request will still be processed (as would happen on normal c2s).
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24 local traceback = debug.traceback;
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f0687c313cf1 mod_bosh: Use util.async
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25 local runner = require"util.async".runner;
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2c72b725384e mod_bosh: Strip BOSH namespace from stanzas to allow for some clients which may send them without the correct xmlns
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27 local xmlns_streams = "http://etherx.jabber.org/streams";
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28 local xmlns_xmpp_streams = "urn:ietf:params:xml:ns:xmpp-streams";
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29 local xmlns_bosh = "http://jabber.org/protocol/httpbind"; -- (hard-coded into a literal in session.send)
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31 local stream_callbacks = {
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32 stream_ns = xmlns_bosh, stream_tag = "body", default_ns = "jabber:client" };
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33
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34 local BOSH_DEFAULT_HOLD = module:get_option_number("bosh_default_hold", 1);
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35 local BOSH_DEFAULT_INACTIVITY = module:get_option_number("bosh_max_inactivity", 60);
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36 local BOSH_DEFAULT_POLLING = module:get_option_number("bosh_max_polling", 5);
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37 local BOSH_DEFAULT_REQUESTS = module:get_option_number("bosh_max_requests", 2);
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38 local bosh_max_wait = module:get_option_number("bosh_max_wait", 120);
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39
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3238b58fd118 mod_bosh: Add option consider_bosh_secure to treat BOSH sessions as encrypted even if they don't use HTTP (useful for when secure requests are proxied to Prosody over HTTP)
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40 local consider_bosh_secure = module:get_option_boolean("consider_bosh_secure");
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41 local cross_domain = module:get_option("cross_domain_bosh", false);
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42
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43 if cross_domain == true then cross_domain = "*"; end
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44 if type(cross_domain) == "table" then cross_domain = table.concat(cross_domain, ", "); end
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45
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46 local trusted_proxies = module:get_option_set("trusted_proxies", {"127.0.0.1"})._items;
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47
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48 local function get_ip_from_request(request)
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49 local ip = request.conn:ip();
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50 local forwarded_for = request.headers.x_forwarded_for;
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51 if forwarded_for then
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52 forwarded_for = forwarded_for..", "..ip;
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53 for forwarded_ip in forwarded_for:gmatch("[^%s,]+") do
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54 if not trusted_proxies[forwarded_ip] then
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55 ip = forwarded_ip;
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56 end
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57 end
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58 end
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59 return ip;
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60 end
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61
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62 local t_insert, t_remove, t_concat = table.insert, table.remove, table.concat;
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63 local os_time = os.time;
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64
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65 -- All sessions, and sessions that have no requests open
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66 local sessions, inactive_sessions = module:shared("sessions", "inactive_sessions");
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67
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68 -- Used to respond to idle sessions (those with waiting requests)
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69 local waiting_requests = module:shared("waiting_requests");
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70 function on_destroy_request(request)
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71 log("debug", "Request destroyed: %s", tostring(request));
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72 waiting_requests[request] = nil;
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73 local session = sessions[request.context.sid];
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74 if session then
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75 local requests = session.requests;
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76 for i, r in ipairs(requests) do
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77 if r == request then
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78 t_remove(requests, i);
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79 break;
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80 end
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81 end
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bd0ff8ae98a8 Remove all trailing whitespace
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82
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83 -- If this session now has no requests open, mark it as inactive
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84 local max_inactive = session.bosh_max_inactive;
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85 if max_inactive and #requests == 0 then
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parents: 4379
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86 inactive_sessions[session] = os_time() + max_inactive;
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87 (session.log or log)("debug", "BOSH session marked as inactive (for %ds)", max_inactive);
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88 end
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89 end
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90 end
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91
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92 local function set_cross_domain_headers(response)
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93 local headers = response.headers;
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94 headers.access_control_allow_methods = "GET, POST, OPTIONS";
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95 headers.access_control_allow_headers = "Content-Type";
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96 headers.access_control_max_age = "7200";
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97 headers.access_control_allow_origin = cross_domain;
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98 return response;
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99 end
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100
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101 function handle_OPTIONS(event)
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020c5cd6eb28 mod_bosh: Only return CORS headers if the Origin header is received, and CORS is enabled.
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102 if cross_domain and event.request.headers.origin then
020c5cd6eb28 mod_bosh: Only return CORS headers if the Origin header is received, and CORS is enabled.
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103 set_cross_domain_headers(event.response);
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104 end
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c7d10b1a64b1 mod_bosh: Return empty string from the OPTIONS event handler, don't return the response object itself.
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105 return "";
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106 end
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107
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108 function handle_POST(event)
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109 log("debug", "Handling new request %s: %s\n----------", tostring(event.request), tostring(event.request.body));
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110
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111 local request, response = event.request, event.response;
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112 response.on_destroy = on_destroy_request;
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113 local body = request.body;
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114
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diff changeset
115 local context = { request = request, response = response, notopen = true };
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116 local stream = new_xmpp_stream(context, stream_callbacks);
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diff changeset
117 response.context = context;
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118
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diff changeset
119 local headers = response.headers;
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parents: 5647
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120 headers.content_type = "text/xml; charset=utf-8";
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121
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020c5cd6eb28 mod_bosh: Only return CORS headers if the Origin header is received, and CORS is enabled.
Waqas Hussain <waqas20@gmail.com>
parents: 5653
diff changeset
122 if cross_domain and event.request.headers.origin then
5648
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parents: 5647
diff changeset
123 set_cross_domain_headers(response);
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124 end
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diff changeset
125
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parents: 3684
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126 -- stream:feed() calls the stream_callbacks, so all stanzas in
79f62694d36e mod_bosh: Switch to util.xmppstream from xmlhandlers
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127 -- the body are processed in this next line before it returns.
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128 -- In particular, the streamopened() stream callback is where
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129 -- much of the session logic happens, because it's where we first
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130 -- get to see the 'sid' of this request.
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131 if not stream:feed(body) then
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132 module:log("warn", "Error parsing BOSH payload")
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133 return 400;
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134 end
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135
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diff changeset
136 -- Stanzas (if any) in the request have now been processed, and
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137 -- we take care of the high-level BOSH logic here, including
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138 -- giving a response or putting the request "on hold".
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139 local session = sessions[context.sid];
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140 if session then
4308
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parents: 4102
diff changeset
141 -- Session was marked as inactive, since we have
50e1a3dc2b50 mod_bosh: Mark a session as active when a request comes in, even if we don't end up holding that request, fixes BOSH ghosts (thanks smoku)
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parents: 4102
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142 -- a request open now, unmark it
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Matthew Wild <mwild1@gmail.com>
parents: 4102
diff changeset
143 if inactive_sessions[session] and #session.requests > 0 then
50e1a3dc2b50 mod_bosh: Mark a session as active when a request comes in, even if we don't end up holding that request, fixes BOSH ghosts (thanks smoku)
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144 inactive_sessions[session] = nil;
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diff changeset
145 end
4000
ca91d6e1d802 mod_bosh: Fix for miscalculating inactivity, causing disconnects under a steady stream of traffic
Matthew Wild <mwild1@gmail.com>
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diff changeset
146
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147 local r = session.requests;
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148 log("debug", "Session %s has %d out of %d requests open", context.sid, #r, session.bosh_hold);
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149 log("debug", "and there are %d things in the send_buffer:", #session.send_buffer);
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150 if #r > session.bosh_hold then
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151 -- We are holding too many requests, send what's in the buffer,
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152 log("debug", "We are holding too many requests, so...");
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153 if #session.send_buffer > 0 then
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154 log("debug", "...sending what is in the buffer")
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155 session.send(t_concat(session.send_buffer));
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156 session.send_buffer = {};
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157 else
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158 -- or an empty response
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159 log("debug", "...sending an empty response");
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160 session.send("");
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161 end
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162 elseif #session.send_buffer > 0 then
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163 log("debug", "Session has data in the send buffer, will send now..");
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164 local resp = t_concat(session.send_buffer);
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165 session.send_buffer = {};
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166 session.send(resp);
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167 end
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168
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169 if not response.finished then
3042
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parents: 3041
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170 -- We're keeping this request open, to respond later
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171 log("debug", "Have nothing to say, so leaving request unanswered for now");
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parents: 3041
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172 if session.bosh_wait then
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173 waiting_requests[response] = os_time() + session.bosh_wait;
3042
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parents: 3041
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174 end
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175 end
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176
4223
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Matthew Wild <mwild1@gmail.com>
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177 if session.bosh_terminate then
9fb6e8ec15ed mod_bosh: Fix terminate logic - process any stanzas in a terminating request, and add type='terminate' to any responses generated by those stanzas. Finally, close all remaining open requests with type='terminate' and close the session. Fixes #211 (thanks Maranda + waqas).
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178 session.log("debug", "Closing session with %d requests open", #session.requests);
9fb6e8ec15ed mod_bosh: Fix terminate logic - process any stanzas in a terminating request, and add type='terminate' to any responses generated by those stanzas. Finally, close all remaining open requests with type='terminate' and close the session. Fixes #211 (thanks Maranda + waqas).
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179 session:close();
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180 return nil;
9fb6e8ec15ed mod_bosh: Fix terminate logic - process any stanzas in a terminating request, and add type='terminate' to any responses generated by those stanzas. Finally, close all remaining open requests with type='terminate' and close the session. Fixes #211 (thanks Maranda + waqas).
Matthew Wild <mwild1@gmail.com>
parents: 4102
diff changeset
181 else
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e95458712782 mod_bosh: Remove unused import of net.httpserver
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diff changeset
182 return true; -- Inform http server we shall reply later
4223
9fb6e8ec15ed mod_bosh: Fix terminate logic - process any stanzas in a terminating request, and add type='terminate' to any responses generated by those stanzas. Finally, close all remaining open requests with type='terminate' and close the session. Fixes #211 (thanks Maranda + waqas).
Matthew Wild <mwild1@gmail.com>
parents: 4102
diff changeset
183 end
636
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184 end
5647
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diff changeset
185 module:log("warn", "Unable to associate request with a session (incomplete request?)");
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186 return 400;
636
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187 end
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188
684
b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve
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diff changeset
189
636
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diff changeset
190 local function bosh_reset_stream(session) session.notopen = true; end
684
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parents: 683
diff changeset
191
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parents: 3447
diff changeset
192 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
193
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
194 local function bosh_close_stream(session, reason)
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parents: 683
diff changeset
195 (session.log or log)("info", "BOSH client disconnected");
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parents: 5748
diff changeset
196
3448
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Matthew Wild <mwild1@gmail.com>
parents: 3447
diff changeset
197 local close_reply = st.stanza("body", { xmlns = xmlns_bosh, type = "terminate",
4379
e4d88f4a780c mod_bosh: s/xmlns:streams/xmlns:stream/ - fixes #265 (thanks Tim)
Matthew Wild <mwild1@gmail.com>
parents: 4332
diff changeset
198 ["xmlns:stream"] = xmlns_streams });
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diff changeset
199
3448
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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 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
202 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
203 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
204 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
205 :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
206 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
207 if reason.condition 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
208 close_reply:tag("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
209 :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
210 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
211 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
212 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
213 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
214 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()
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parents: 3447
diff changeset
215 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
216 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
217 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
218 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
219 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
220 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()
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parents: 3447
diff changeset
221 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
222
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parents: 4690
diff changeset
223 local response_body = tostring(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
224 for _, held_request in ipairs(session.requests) do
4692
8e7c683d78ca mod_bosh: Large commit to update to mod_http/net.http.server APIs. Becomes a shared module.
Matthew Wild <mwild1@gmail.com>
parents: 4690
diff changeset
225 held_request:send(response_body);
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
226 end
5634
7298c9bbb30f mod_bosh: Some very minor whitespace/layout fixes
Matthew Wild <mwild1@gmail.com>
parents: 5188
diff changeset
227 sessions[session.sid] = nil;
4437
916681a9a7be mod_bosh: Remove a session from inactive_sessions before destroying it
Matthew Wild <mwild1@gmail.com>
parents: 4436
diff changeset
228 inactive_sessions[session] = nil;
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
229 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
230 end
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
231
6528
f0687c313cf1 mod_bosh: Use util.async
Kim Alvefur <zash@zash.se>
parents: 5776
diff changeset
232 local runner_callbacks = { };
f0687c313cf1 mod_bosh: Use util.async
Kim Alvefur <zash@zash.se>
parents: 5776
diff changeset
233
4438
7f51186ed28b mod_bosh: Move stream:features sending until after the current request has been added to session.requests. Ensures correct inactivity logic.
Matthew Wild <mwild1@gmail.com>
parents: 4437
diff changeset
234 -- Handle the <body> tag in the request payload.
4692
8e7c683d78ca mod_bosh: Large commit to update to mod_http/net.http.server APIs. Becomes a shared module.
Matthew Wild <mwild1@gmail.com>
parents: 4690
diff changeset
235 function stream_callbacks.streamopened(context, attr)
8e7c683d78ca mod_bosh: Large commit to update to mod_http/net.http.server APIs. Becomes a shared module.
Matthew Wild <mwild1@gmail.com>
parents: 4690
diff changeset
236 local request, response = context.request, context.response;
4327
98ae0d0b4d07 mod_bosh: Fix logging when no sid present, fix a missing semi-colon, avoid an extra useless table lookup (thanks Thomas)
Matthew Wild <mwild1@gmail.com>
parents: 4316
diff changeset
237 local sid = attr.sid;
98ae0d0b4d07 mod_bosh: Fix logging when no sid present, fix a missing semi-colon, avoid an extra useless table lookup (thanks Thomas)
Matthew Wild <mwild1@gmail.com>
parents: 4316
diff changeset
238 log("debug", "BOSH body open (sid: %s)", sid or "<none>");
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
239 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
240 -- New session request
4692
8e7c683d78ca mod_bosh: Large commit to update to mod_http/net.http.server APIs. Becomes a shared module.
Matthew Wild <mwild1@gmail.com>
parents: 4690
diff changeset
241 context.notopen = nil; -- Signals that we accept this opening tag
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5748
diff changeset
242
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
243 -- 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
244 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
245 -- Unknown host
1048
45fc590539cd mod_bosh: Add log message for clients connecting to unknown host
Matthew Wild <mwild1@gmail.com>
parents: 1047
diff changeset
246 log("debug", "BOSH client tried to connect to unknown host: %s", tostring(attr.to));
3492
6d782b1fcc8a mod_bosh: Fix traceback when initiating a BOSH session to an unknown host
Matthew Wild <mwild1@gmail.com>
parents: 3472
diff changeset
247 local close_reply = st.stanza("body", { xmlns = xmlns_bosh, type = "terminate",
4379
e4d88f4a780c mod_bosh: s/xmlns:streams/xmlns:stream/ - fixes #265 (thanks Tim)
Matthew Wild <mwild1@gmail.com>
parents: 4332
diff changeset
248 ["xmlns:stream"] = xmlns_streams, condition = "host-unknown" });
4692
8e7c683d78ca mod_bosh: Large commit to update to mod_http/net.http.server APIs. Becomes a shared module.
Matthew Wild <mwild1@gmail.com>
parents: 4690
diff changeset
249 response:send(tostring(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
250 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
251 end
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5748
diff changeset
252
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
253 -- New session
763
8e77a39826c2 mod_bosh: No need to tostring() uuids now
Matthew Wild <mwild1@gmail.com>
parents: 725
diff changeset
254 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
255 local session = {
5046
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
256 type = "c2s_unauthed", conn = {}, sid = sid, rid = tonumber(attr.rid)-1, host = attr.to,
5185
ca30b21946ef mod_bosh: Add bosh_max_wait config option, to limit the amount of time a client can request for the server to hold open requests
Matthew Wild <mwild1@gmail.com>
parents: 5179
diff changeset
257 bosh_version = attr.ver, bosh_wait = math_min(attr.wait, bosh_max_wait), streamid = sid,
3071
39a870ae75d9 mod_bosh: Re-layout session object creation to make lines shorter
Matthew Wild <mwild1@gmail.com>
parents: 3070
diff changeset
258 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
259 requests = { }, send_buffer = {}, reset_stream = bosh_reset_stream,
5071
0382f456ac82 mod_bosh: Remove redundant code (send stream features in only one place) (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 5070
diff changeset
260 close = bosh_close_stream, dispatch_stanza = core_process_stanza, notopen = true,
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
261 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
262 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
263 };
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
264 sessions[sid] = session;
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5748
diff changeset
265
6528
f0687c313cf1 mod_bosh: Use util.async
Kim Alvefur <zash@zash.se>
parents: 5776
diff changeset
266 session.thread = runner(function (stanza)
f0687c313cf1 mod_bosh: Use util.async
Kim Alvefur <zash@zash.se>
parents: 5776
diff changeset
267 session:dispatch_stanza(stanza);
f0687c313cf1 mod_bosh: Use util.async
Kim Alvefur <zash@zash.se>
parents: 5776
diff changeset
268 end, runner_callbacks, session);
f0687c313cf1 mod_bosh: Use util.async
Kim Alvefur <zash@zash.se>
parents: 5776
diff changeset
269
5187
d71f731e8fe4 mod_bosh: Add support for stanza filters to BOSH sessions (needed by some plugins)
Matthew Wild <mwild1@gmail.com>
parents: 5185
diff changeset
270 local filter = initialize_filters(session);
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5748
diff changeset
271
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
272 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
273 log("info", "New BOSH session, assigned it sid '%s'", sid);
5046
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
274
7047
9ca2b720ad43 mod_bosh: Fire event when BOSH session is created
Matthew Wild <mwild1@gmail.com>
parents: 6528
diff changeset
275 hosts[session.host].events.fire_event("bosh-session", { session = session, request = request });
9ca2b720ad43 mod_bosh: Fire event when BOSH session is created
Matthew Wild <mwild1@gmail.com>
parents: 6528
diff changeset
276
5046
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
277 -- Send creation response
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
278 local creating_session = true;
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
279
4769
c91bb217bf79 mod_bosh: Remove unused send_buffer variable
Matthew Wild <mwild1@gmail.com>
parents: 4768
diff changeset
280 local r = session.requests;
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
281 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
282 -- 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
283 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
284 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
285 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
286 end
5187
d71f731e8fe4 mod_bosh: Add support for stanza filters to BOSH sessions (needed by some plugins)
Matthew Wild <mwild1@gmail.com>
parents: 5185
diff changeset
287 s = filter("stanzas/out", s);
2099
73e083d01449 mod_bosh: Don't log response XML
Matthew Wild <mwild1@gmail.com>
parents: 2084
diff changeset
288 --log("debug", "Sending BOSH data: %s", tostring(s));
5046
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
289 t_insert(session.send_buffer, tostring(s));
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
290
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
291 local oldest_request = r[1];
5046
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
292 if oldest_request and not session.bosh_processing then
2099
73e083d01449 mod_bosh: Don't log response XML
Matthew Wild <mwild1@gmail.com>
parents: 2084
diff changeset
293 log("debug", "We have an open request, so sending on that");
5046
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
294 local body_attr = { xmlns = "http://jabber.org/protocol/httpbind",
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
295 ["xmlns:stream"] = "http://etherx.jabber.org/streams";
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
296 type = session.bosh_terminate and "terminate" or nil;
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
297 sid = sid;
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
298 };
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
299 if creating_session then
5644
f9cfe6f5d60f mod_bosh: Reset creating_session to prevent putting unnecessary attributes into every BOSH response
Matthew Wild <mwild1@gmail.com>
parents: 5639
diff changeset
300 creating_session = nil;
5046
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
301 body_attr.inactivity = tostring(BOSH_DEFAULT_INACTIVITY);
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
302 body_attr.polling = tostring(BOSH_DEFAULT_POLLING);
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
303 body_attr.requests = tostring(BOSH_DEFAULT_REQUESTS);
5185
ca30b21946ef mod_bosh: Add bosh_max_wait config option, to limit the amount of time a client can request for the server to hold open requests
Matthew Wild <mwild1@gmail.com>
parents: 5179
diff changeset
304 body_attr.wait = tostring(session.bosh_wait);
5046
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
305 body_attr.hold = tostring(session.bosh_hold);
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
306 body_attr.authid = sid;
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
307 body_attr.secure = "true";
5670
9218a0e81a41 mod_bosh: Fix global write
Matthew Wild <mwild1@gmail.com>
parents: 5650
diff changeset
308 body_attr.ver = '1.6';
9218a0e81a41 mod_bosh: Fix global write
Matthew Wild <mwild1@gmail.com>
parents: 5650
diff changeset
309 body_attr.from = session.host;
5046
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
310 body_attr["xmlns:xmpp"] = "urn:xmpp:xbosh";
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
311 body_attr["xmpp:version"] = "1.0";
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
312 end
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
313 oldest_request:send(st.stanza("body", body_attr):top_tag()..t_concat(session.send_buffer).."</body>");
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
314 session.send_buffer = {};
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
315 end
4102
9df4e61c260b mod_bosh: Return true from send()
Matthew Wild <mwild1@gmail.com>
parents: 4000
diff changeset
316 return true;
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
317 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
318 request.sid = sid;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
319 end
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5748
diff changeset
320
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
321 local session = sessions[sid];
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
322 if not session then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
323 -- Unknown sid
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
324 log("info", "Client tried to use sid '%s' which we don't know about", sid);
4692
8e7c683d78ca mod_bosh: Large commit to update to mod_http/net.http.server APIs. Becomes a shared module.
Matthew Wild <mwild1@gmail.com>
parents: 4690
diff changeset
325 response:send(tostring(st.stanza("body", { xmlns = xmlns_bosh, type = "terminate", condition = "item-not-found" })));
8e7c683d78ca mod_bosh: Large commit to update to mod_http/net.http.server APIs. Becomes a shared module.
Matthew Wild <mwild1@gmail.com>
parents: 4690
diff changeset
326 context.notopen = nil;
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
327 return;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
328 end
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5748
diff changeset
329
1663
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
330 if session.rid then
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
331 local rid = tonumber(attr.rid);
1664
6587b6c2678e mod_bosh: Calculate rid difference just once
Matthew Wild <mwild1@gmail.com>
parents: 1663
diff changeset
332 local diff = rid - session.rid;
6587b6c2678e mod_bosh: Calculate rid difference just once
Matthew Wild <mwild1@gmail.com>
parents: 1663
diff changeset
333 if diff > 1 then
1663
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
334 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
335 elseif diff <= 0 then
1663
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
336 -- Repeated, ignore
5650
aa3465183b01 mod_bosh: Remove logging of request.id, it doesn't exist in the new HTTP server API (thanks Mikael Nordfeldth)
Matthew Wild <mwild1@gmail.com>
parents: 5644
diff changeset
337 session.log("debug", "rid repeated, ignoring: %s (diff %d)", session.rid, diff);
4692
8e7c683d78ca mod_bosh: Large commit to update to mod_http/net.http.server APIs. Becomes a shared module.
Matthew Wild <mwild1@gmail.com>
parents: 4690
diff changeset
338 context.notopen = nil;
8e7c683d78ca mod_bosh: Large commit to update to mod_http/net.http.server APIs. Becomes a shared module.
Matthew Wild <mwild1@gmail.com>
parents: 4690
diff changeset
339 context.ignore = true;
8e7c683d78ca mod_bosh: Large commit to update to mod_http/net.http.server APIs. Becomes a shared module.
Matthew Wild <mwild1@gmail.com>
parents: 4690
diff changeset
340 context.sid = sid;
8e7c683d78ca mod_bosh: Large commit to update to mod_http/net.http.server APIs. Becomes a shared module.
Matthew Wild <mwild1@gmail.com>
parents: 4690
diff changeset
341 t_insert(session.requests, response);
1663
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
342 return;
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
343 end
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
344 session.rid = rid;
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come)
Matthew Wild <mwild1@gmail.com>
parents: 1662
diff changeset
345 end
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5748
diff changeset
346
4223
9fb6e8ec15ed mod_bosh: Fix terminate logic - process any stanzas in a terminating request, and add type='terminate' to any responses generated by those stanzas. Finally, close all remaining open requests with type='terminate' and close the session. Fixes #211 (thanks Maranda + waqas).
Matthew Wild <mwild1@gmail.com>
parents: 4102
diff changeset
347 if attr.type == "terminate" then
9fb6e8ec15ed mod_bosh: Fix terminate logic - process any stanzas in a terminating request, and add type='terminate' to any responses generated by those stanzas. Finally, close all remaining open requests with type='terminate' and close the session. Fixes #211 (thanks Maranda + waqas).
Matthew Wild <mwild1@gmail.com>
parents: 4102
diff changeset
348 -- Client wants to end this session, which we'll do
9fb6e8ec15ed mod_bosh: Fix terminate logic - process any stanzas in a terminating request, and add type='terminate' to any responses generated by those stanzas. Finally, close all remaining open requests with type='terminate' and close the session. Fixes #211 (thanks Maranda + waqas).
Matthew Wild <mwild1@gmail.com>
parents: 4102
diff changeset
349 -- after processing any stanzas in this request
9fb6e8ec15ed mod_bosh: Fix terminate logic - process any stanzas in a terminating request, and add type='terminate' to any responses generated by those stanzas. Finally, close all remaining open requests with type='terminate' and close the session. Fixes #211 (thanks Maranda + waqas).
Matthew Wild <mwild1@gmail.com>
parents: 4102
diff changeset
350 session.bosh_terminate = true;
9fb6e8ec15ed mod_bosh: Fix terminate logic - process any stanzas in a terminating request, and add type='terminate' to any responses generated by those stanzas. Finally, close all remaining open requests with type='terminate' and close the session. Fixes #211 (thanks Maranda + waqas).
Matthew Wild <mwild1@gmail.com>
parents: 4102
diff changeset
351 end
9fb6e8ec15ed mod_bosh: Fix terminate logic - process any stanzas in a terminating request, and add type='terminate' to any responses generated by those stanzas. Finally, close all remaining open requests with type='terminate' and close the session. Fixes #211 (thanks Maranda + waqas).
Matthew Wild <mwild1@gmail.com>
parents: 4102
diff changeset
352
4692
8e7c683d78ca mod_bosh: Large commit to update to mod_http/net.http.server APIs. Becomes a shared module.
Matthew Wild <mwild1@gmail.com>
parents: 4690
diff changeset
353 context.notopen = nil; -- Signals that we accept this opening tag
8e7c683d78ca mod_bosh: Large commit to update to mod_http/net.http.server APIs. Becomes a shared module.
Matthew Wild <mwild1@gmail.com>
parents: 4690
diff changeset
354 t_insert(session.requests, response);
8e7c683d78ca mod_bosh: Large commit to update to mod_http/net.http.server APIs. Becomes a shared module.
Matthew Wild <mwild1@gmail.com>
parents: 4690
diff changeset
355 context.sid = sid;
5046
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
356 session.bosh_processing = true; -- Used to suppress replies until processing of this request is done
4438
7f51186ed28b mod_bosh: Move stream:features sending until after the current request has been added to session.requests. Ensures correct inactivity logic.
Matthew Wild <mwild1@gmail.com>
parents: 4437
diff changeset
357
7f51186ed28b mod_bosh: Move stream:features sending until after the current request has been added to session.requests. Ensures correct inactivity logic.
Matthew Wild <mwild1@gmail.com>
parents: 4437
diff changeset
358 if session.notopen then
7f51186ed28b mod_bosh: Move stream:features sending until after the current request has been added to session.requests. Ensures correct inactivity logic.
Matthew Wild <mwild1@gmail.com>
parents: 4437
diff changeset
359 local features = st.stanza("stream:features");
7f51186ed28b mod_bosh: Move stream:features sending until after the current request has been added to session.requests. Ensures correct inactivity logic.
Matthew Wild <mwild1@gmail.com>
parents: 4437
diff changeset
360 hosts[session.host].events.fire_event("stream-features", { origin = session, features = features });
5658
97c1c1bdd7bc mod_bosh: Don't tostring() stream:features when passing to session.send().
Waqas Hussain <waqas20@gmail.com>
parents: 5654
diff changeset
361 session.send(features);
4438
7f51186ed28b mod_bosh: Move stream:features sending until after the current request has been added to session.requests. Ensures correct inactivity logic.
Matthew Wild <mwild1@gmail.com>
parents: 4437
diff changeset
362 session.notopen = nil;
7f51186ed28b mod_bosh: Move stream:features sending until after the current request has been added to session.requests. Ensures correct inactivity logic.
Matthew Wild <mwild1@gmail.com>
parents: 4437
diff changeset
363 end
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
364 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
365
5727
372ecf3630cf mod_bosh: pcall() core_process_stanza per stanza, to bring in line with other listeners. This ensures that stanzas following a traceback-causing stanza in a request will still be processed (as would happen on normal c2s).
Matthew Wild <mwild1@gmail.com>
parents: 5726
diff changeset
366 local function handleerr(err) log("error", "Traceback[bosh]: %s", traceback(tostring(err), 2)); end
6528
f0687c313cf1 mod_bosh: Use util.async
Kim Alvefur <zash@zash.se>
parents: 5776
diff changeset
367
f0687c313cf1 mod_bosh: Use util.async
Kim Alvefur <zash@zash.se>
parents: 5776
diff changeset
368 function runner_callbacks:error(err)
f0687c313cf1 mod_bosh: Use util.async
Kim Alvefur <zash@zash.se>
parents: 5776
diff changeset
369 return handleerr(err);
f0687c313cf1 mod_bosh: Use util.async
Kim Alvefur <zash@zash.se>
parents: 5776
diff changeset
370 end
f0687c313cf1 mod_bosh: Use util.async
Kim Alvefur <zash@zash.se>
parents: 5776
diff changeset
371
4692
8e7c683d78ca mod_bosh: Large commit to update to mod_http/net.http.server APIs. Becomes a shared module.
Matthew Wild <mwild1@gmail.com>
parents: 4690
diff changeset
372 function stream_callbacks.handlestanza(context, stanza)
8e7c683d78ca mod_bosh: Large commit to update to mod_http/net.http.server APIs. Becomes a shared module.
Matthew Wild <mwild1@gmail.com>
parents: 4690
diff changeset
373 if context.ignore then return; end
725
96110075288b Replacing pretty_print() with top_tag() for logging
Matthew Wild <mwild1@gmail.com>
parents: 701
diff changeset
374 log("debug", "BOSH stanza received: %s\n", stanza:top_tag());
4692
8e7c683d78ca mod_bosh: Large commit to update to mod_http/net.http.server APIs. Becomes a shared module.
Matthew Wild <mwild1@gmail.com>
parents: 4690
diff changeset
375 local session = sessions[context.sid];
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
376 if session then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
377 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
378 stanza.attr.xmlns = nil;
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
379 end
5187
d71f731e8fe4 mod_bosh: Add support for stanza filters to BOSH sessions (needed by some plugins)
Matthew Wild <mwild1@gmail.com>
parents: 5185
diff changeset
380 stanza = session.filter("stanzas/in", stanza);
6528
f0687c313cf1 mod_bosh: Use util.async
Kim Alvefur <zash@zash.se>
parents: 5776
diff changeset
381 session.thread:run(stanza);
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
382 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
383 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
384
5635
84d3d7b69f9a mod_bosh: rename variable for clarity
Matthew Wild <mwild1@gmail.com>
parents: 5634
diff changeset
385 function stream_callbacks.streamclosed(context)
84d3d7b69f9a mod_bosh: rename variable for clarity
Matthew Wild <mwild1@gmail.com>
parents: 5634
diff changeset
386 local session = sessions[context.sid];
5046
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
387 if session then
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
388 session.bosh_processing = false;
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
389 if #session.send_buffer > 0 then
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
390 session.send("");
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
391 end
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
392 end
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
393 end
16c7b510694b mod_bosh: Correctly handle data included in the session initiation request, and cork session while a request is being processed, preventing replying to requests when there may be more data to come, reducing round-trips.
Matthew Wild <mwild1@gmail.com>
parents: 5031
diff changeset
394
4692
8e7c683d78ca mod_bosh: Large commit to update to mod_http/net.http.server APIs. Becomes a shared module.
Matthew Wild <mwild1@gmail.com>
parents: 4690
diff changeset
395 function stream_callbacks.error(context, error)
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
396 log("debug", "Error parsing BOSH request payload; %s", error);
4692
8e7c683d78ca mod_bosh: Large commit to update to mod_http/net.http.server APIs. Becomes a shared module.
Matthew Wild <mwild1@gmail.com>
parents: 4690
diff changeset
397 if not context.sid then
8e7c683d78ca mod_bosh: Large commit to update to mod_http/net.http.server APIs. Becomes a shared module.
Matthew Wild <mwild1@gmail.com>
parents: 4690
diff changeset
398 local response = context.response;
8e7c683d78ca mod_bosh: Large commit to update to mod_http/net.http.server APIs. Becomes a shared module.
Matthew Wild <mwild1@gmail.com>
parents: 4690
diff changeset
399 response.status_code = 400;
4768
d232bd25ae58 mod_bosh: Fix request/response mixup
Matthew Wild <mwild1@gmail.com>
parents: 4767
diff changeset
400 response:send();
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
401 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
402 end
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5748
diff changeset
403
4692
8e7c683d78ca mod_bosh: Large commit to update to mod_http/net.http.server APIs. Becomes a shared module.
Matthew Wild <mwild1@gmail.com>
parents: 4690
diff changeset
404 local session = sessions[context.sid];
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
405 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
406 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
407 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
408 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
409 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
410 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
411
5660
df077bc8f019 mod_bosh: Make waiting_requests and dead_sessions shared to preserve across reloads
Matthew Wild <mwild1@gmail.com>
parents: 5658
diff changeset
412 local dead_sessions = module:shared("dead_sessions");
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
413 function on_timer()
660
b2c4a7ec31c6 Remove some old debugging code from mod_bosh
Matthew Wild <mwild1@gmail.com>
parents: 636
diff changeset
414 -- 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:
diff changeset
415 -- 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:
diff changeset
416 local now = os_time() + 3;
4690
55f690fdc915 mod_bosh: Optimisation, store reply_before value as waiting_requests value (saves a lookup)
Matthew Wild <mwild1@gmail.com>
parents: 4684
diff changeset
417 for request, reply_before in pairs(waiting_requests) do
55f690fdc915 mod_bosh: Optimisation, store reply_before value as waiting_requests value (saves a lookup)
Matthew Wild <mwild1@gmail.com>
parents: 4684
diff changeset
418 if reply_before <= now then
4692
8e7c683d78ca mod_bosh: Large commit to update to mod_http/net.http.server APIs. Becomes a shared module.
Matthew Wild <mwild1@gmail.com>
parents: 4690
diff changeset
419 log("debug", "%s was soon to timeout (at %d, now %d), sending empty response", tostring(request), reply_before, now);
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
420 -- Send empty response to let the
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
421 -- client know we're still here
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
422 if request.conn then
4692
8e7c683d78ca mod_bosh: Large commit to update to mod_http/net.http.server APIs. Becomes a shared module.
Matthew Wild <mwild1@gmail.com>
parents: 4690
diff changeset
423 sessions[request.context.sid].send("");
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
424 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
425 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
426 end
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5748
diff changeset
427
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
428 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
429 local n_dead_sessions = 0;
4436
aa79b3767f98 mod_bosh: Store time to destroy session in inactive_sessions, removing dependency on session.bosh_max_inactive in cleanup timer
Matthew Wild <mwild1@gmail.com>
parents: 4379
diff changeset
430 for session, close_after in pairs(inactive_sessions) do
aa79b3767f98 mod_bosh: Store time to destroy session in inactive_sessions, removing dependency on session.bosh_max_inactive in cleanup timer
Matthew Wild <mwild1@gmail.com>
parents: 4379
diff changeset
431 if close_after < now then
aa79b3767f98 mod_bosh: Store time to destroy session in inactive_sessions, removing dependency on session.bosh_max_inactive in cleanup timer
Matthew Wild <mwild1@gmail.com>
parents: 4379
diff changeset
432 (session.log or log)("debug", "BOSH client inactive too long, destroying session at %d", now);
aa79b3767f98 mod_bosh: Store time to destroy session in inactive_sessions, removing dependency on session.bosh_max_inactive in cleanup timer
Matthew Wild <mwild1@gmail.com>
parents: 4379
diff changeset
433 sessions[session.sid] = nil;
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
434 inactive_sessions[session] = nil;
4436
aa79b3767f98 mod_bosh: Store time to destroy session in inactive_sessions, removing dependency on session.bosh_max_inactive in cleanup timer
Matthew Wild <mwild1@gmail.com>
parents: 4379
diff changeset
435 n_dead_sessions = n_dead_sessions + 1;
aa79b3767f98 mod_bosh: Store time to destroy session in inactive_sessions, removing dependency on session.bosh_max_inactive in cleanup timer
Matthew Wild <mwild1@gmail.com>
parents: 4379
diff changeset
436 dead_sessions[n_dead_sessions] = session;
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
437 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
438 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
439
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
440 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
441 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
442 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
443 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
444 end
3684
bd071e3901dc mod_bosh: Use util.timer for timers instead of server.addtimer.
Waqas Hussain <waqas20@gmail.com>
parents: 3542
diff changeset
445 return 1;
636
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
446 end
4692
8e7c683d78ca mod_bosh: Large commit to update to mod_http/net.http.server APIs. Becomes a shared module.
Matthew Wild <mwild1@gmail.com>
parents: 4690
diff changeset
447 module:add_timer(1, on_timer);
701
dc67e3cffff4 BOSH: Allow BOSH servers to be configured through config file
Matthew Wild <mwild1@gmail.com>
parents: 693
diff changeset
448
4880
6d96e2e717c1 mod_bosh: Set Content-Type to text/html for GET response (thanks Medics)
Matthew Wild <mwild1@gmail.com>
parents: 4769
diff changeset
449
6d96e2e717c1 mod_bosh: Set Content-Type to text/html for GET response (thanks Medics)
Matthew Wild <mwild1@gmail.com>
parents: 4769
diff changeset
450 local GET_response = {
6d96e2e717c1 mod_bosh: Set Content-Type to text/html for GET response (thanks Medics)
Matthew Wild <mwild1@gmail.com>
parents: 4769
diff changeset
451 headers = {
6d96e2e717c1 mod_bosh: Set Content-Type to text/html for GET response (thanks Medics)
Matthew Wild <mwild1@gmail.com>
parents: 4769
diff changeset
452 content_type = "text/html";
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453 };
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parents: 4769
diff changeset
454 body = [[<html><body>
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455 <p>It works! Now point your BOSH client to this URL to connect to Prosody.</p>
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456 <p>For more information see <a href="http://prosody.im/doc/setting_up_bosh">Prosody: Setting up BOSH</a>.</p>
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457 </body></html>]];
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458 };
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parents: 4769
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459
4692
8e7c683d78ca mod_bosh: Large commit to update to mod_http/net.http.server APIs. Becomes a shared module.
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diff changeset
460 function module.add_host(module)
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461 module:depends("http");
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462 module:provides("http", {
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463 default_path = "/http-bind";
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464 route = {
4880
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465 ["GET"] = GET_response;
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466 ["GET /"] = GET_response;
4725
d085db6285db mod_bosh: Add routes without trailing-'/', so that both /http-bind and /http-bind/ work again
Matthew Wild <mwild1@gmail.com>
parents: 4697
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467 ["OPTIONS"] = handle_OPTIONS;
4692
8e7c683d78ca mod_bosh: Large commit to update to mod_http/net.http.server APIs. Becomes a shared module.
Matthew Wild <mwild1@gmail.com>
parents: 4690
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468 ["OPTIONS /"] = handle_OPTIONS;
4725
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Matthew Wild <mwild1@gmail.com>
parents: 4697
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469 ["POST"] = handle_POST;
4692
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parents: 4690
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470 ["POST /"] = handle_POST;
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parents: 4690
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471 };
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parents: 4690
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472 });
2354
5a00668ba0ab mod_bosh: Delay setup until after server is started.
Waqas Hussain <waqas20@gmail.com>
parents: 2099
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473 end