Software `/` code `/` prosody

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plugins/mod_bosh.lua @ 3852:ab8d1c90527c

mod_storage_sql: Fixed a typo.

author	Waqas Hussain <waqas20@gmail.com>
date	Sun, 12 Dec 2010 05:38:08 +0500
parent	3847:9ffcf7df0c62
child	4000:ca91d6e1d802

rev	line source
1522 569d58d21612 Add copyright header to those files missing one Matthew Wild <mwild1@gmail.com> parents: 1112 diff changeset	1 -- Prosody IM
2923 b7049746bd29 Update copyright headers for 2010 Matthew Wild <mwild1@gmail.com> parents: 2099 diff changeset	2 -- Copyright (C) 2008-2010 Matthew Wild
b7049746bd29 Update copyright headers for 2010 Matthew Wild <mwild1@gmail.com> parents: 2099 diff changeset	3 -- Copyright (C) 2008-2010 Waqas Hussain
1522 569d58d21612 Add copyright header to those files missing one Matthew Wild <mwild1@gmail.com> parents: 1112 diff changeset	4 --
569d58d21612 Add copyright header to those files missing one Matthew Wild <mwild1@gmail.com> parents: 1112 diff changeset	5 -- This project is MIT/X11 licensed. Please see the
569d58d21612 Add copyright header to those files missing one Matthew Wild <mwild1@gmail.com> parents: 1112 diff changeset	6 -- COPYING file in the source package for more information.
569d58d21612 Add copyright header to those files missing one Matthew Wild <mwild1@gmail.com> parents: 1112 diff changeset	7 --
569d58d21612 Add copyright header to those files missing one Matthew Wild <mwild1@gmail.com> parents: 1112 diff changeset	8
636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	9 module.host = "*" -- Global module
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	10
1042 a3d77353c18a mod_: Fix a load of global accesses Matthew Wild <mwild1@gmail.com>* parents: 947 diff changeset	11 local hosts = _G.hosts;
636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	12 local lxp = require "lxp";
3829 8d0f2acbfb28 mod_bosh: Switch to util.xmppstream from xmlhandlers Matthew Wild <mwild1@gmail.com> parents: 3807 diff changeset	13 local new_xmpp_stream = require "util.xmppstream".new;
636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	14 local httpserver = require "net.httpserver";
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	15 local sm = require "core.sessionmanager";
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	16 local sm_destroy_session = sm.destroy_session;
636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	17 local new_uuid = require "util.uuid".generate;
3439 3d1eacf45230 mod_bosh: Remove dependency on eventmanager Matthew Wild <mwild1@gmail.com> parents: 3322 diff changeset	18 local fire_event = prosody.events.fire_event;
636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	19 local core_process_stanza = core_process_stanza;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	20 local st = require "util.stanza";
1109 bb21eb3cd364 mod_bosh: Give BOSH sessions a logger (thanks Florob) Matthew Wild <mwild1@gmail.com> parents: 1049 diff changeset	21 local logger = require "util.logger";
bb21eb3cd364 mod_bosh: Give BOSH sessions a logger (thanks Florob) Matthew Wild <mwild1@gmail.com> parents: 1049 diff changeset	22 local log = logger.init("mod_bosh");
3807 bfd72edfd95c mod_bosh: Use util.timer for timers instead of server.addtimer. Waqas Hussain <waqas20@gmail.com> parents: 3542 diff changeset	23 local timer = require "util.timer";
1665 2c72b725384e mod_bosh: Strip BOSH namespace from stanzas to allow for some clients which may send them without the correct xmlns Matthew Wild <mwild1@gmail.com> parents: 1664 diff changeset	24
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	25 local xmlns_streams = "http://etherx.jabber.org/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	26 local xmlns_xmpp_streams = "urn:ietf:params:xml:ns:xmpp-streams";
636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	27 local xmlns_bosh = "http://jabber.org/protocol/httpbind"; -- (hard-coded into a literal in session.send)
3449 0a74ce129a06 mod_bosh: Small change to use variable instead of hard-coded xmlns Matthew Wild <mwild1@gmail.com> parents: 3448 diff changeset	28
0a74ce129a06 mod_bosh: Small change to use variable instead of hard-coded xmlns Matthew Wild <mwild1@gmail.com> parents: 3448 diff changeset	29 local stream_callbacks = {
0a74ce129a06 mod_bosh: Small change to use variable instead of hard-coded xmlns Matthew Wild <mwild1@gmail.com> parents: 3448 diff changeset	30 stream_ns = xmlns_bosh, stream_tag = "body", default_ns = "jabber:client" };
636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	31
1655 dc42bf326713 mod_bosh: Updated to use module:get_option instead of configmanager Waqas Hussain <waqas20@gmail.com> parents: 1633 diff changeset	32 local BOSH_DEFAULT_HOLD = tonumber(module:get_option("bosh_default_hold")) or 1;
dc42bf326713 mod_bosh: Updated to use module:get_option instead of configmanager Waqas Hussain <waqas20@gmail.com> parents: 1633 diff changeset	33 local BOSH_DEFAULT_INACTIVITY = tonumber(module:get_option("bosh_max_inactivity")) or 60;
dc42bf326713 mod_bosh: Updated to use module:get_option instead of configmanager Waqas Hussain <waqas20@gmail.com> parents: 1633 diff changeset	34 local BOSH_DEFAULT_POLLING = tonumber(module:get_option("bosh_max_polling")) or 5;
dc42bf326713 mod_bosh: Updated to use module:get_option instead of configmanager Waqas Hussain <waqas20@gmail.com> parents: 1633 diff changeset	35 local BOSH_DEFAULT_REQUESTS = tonumber(module:get_option("bosh_max_requests")) or 2;
636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	36
3070 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) Matthew Wild <mwild1@gmail.com> parents: 3043 diff changeset	37 local consider_bosh_secure = module:get_option_boolean("consider_bosh_secure");
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) Matthew Wild <mwild1@gmail.com> parents: 3043 diff changeset	38
866 8958fe4b2391 mod_bosh: Set Content-Type in response headers Matthew Wild <mwild1@gmail.com> parents: 816 diff changeset	39 local default_headers = { ["Content-Type"] = "text/xml; charset=utf-8" };
8958fe4b2391 mod_bosh: Set Content-Type in response headers Matthew Wild <mwild1@gmail.com> parents: 816 diff changeset	40
2484 cf924f587410 mod_bosh: Support for cross-domain access control using CORS Matthew Wild <mwild1@gmail.com> parents: 2473 diff changeset	41 local cross_domain = module:get_option("cross_domain_bosh");
2485 ace62f19076d mod_bosh: Simplify cross-domain support, and make it work - default is for cross-domain to be disallowed Matthew Wild <mwild1@gmail.com> parents: 2484 diff changeset	42 if cross_domain then
ace62f19076d mod_bosh: Simplify cross-domain support, and make it work - default is for cross-domain to be disallowed Matthew Wild <mwild1@gmail.com> parents: 2484 diff changeset	43 default_headers["Access-Control-Allow-Methods"] = "GET, POST, OPTIONS";
ace62f19076d mod_bosh: Simplify cross-domain support, and make it work - default is for cross-domain to be disallowed Matthew Wild <mwild1@gmail.com> parents: 2484 diff changeset	44 default_headers["Access-Control-Allow-Headers"] = "Content-Type";
ace62f19076d mod_bosh: Simplify cross-domain support, and make it work - default is for cross-domain to be disallowed Matthew Wild <mwild1@gmail.com> parents: 2484 diff changeset	45 default_headers["Access-Control-Max-Age"] = "7200";
2484 cf924f587410 mod_bosh: Support for cross-domain access control using CORS Matthew Wild <mwild1@gmail.com> parents: 2473 diff changeset	46
cf924f587410 mod_bosh: Support for cross-domain access control using CORS Matthew Wild <mwild1@gmail.com> parents: 2473 diff changeset	47 if cross_domain == true then
2485 ace62f19076d mod_bosh: Simplify cross-domain support, and make it work - default is for cross-domain to be disallowed Matthew Wild <mwild1@gmail.com> parents: 2484 diff changeset	48 default_headers["Access-Control-Allow-Origin"] = "*";
2484 cf924f587410 mod_bosh: Support for cross-domain access control using CORS Matthew Wild <mwild1@gmail.com> parents: 2473 diff changeset	49 elseif type(cross_domain) == "table" then
cf924f587410 mod_bosh: Support for cross-domain access control using CORS Matthew Wild <mwild1@gmail.com> parents: 2473 diff changeset	50 cross_domain = table.concat(cross_domain, ", ");
cf924f587410 mod_bosh: Support for cross-domain access control using CORS Matthew Wild <mwild1@gmail.com> parents: 2473 diff changeset	51 end
cf924f587410 mod_bosh: Support for cross-domain access control using CORS Matthew Wild <mwild1@gmail.com> parents: 2473 diff changeset	52 if type(cross_domain) == "string" then
2485 ace62f19076d mod_bosh: Simplify cross-domain support, and make it work - default is for cross-domain to be disallowed Matthew Wild <mwild1@gmail.com> parents: 2484 diff changeset	53 default_headers["Access-Control-Allow-Origin"] = cross_domain;
2484 cf924f587410 mod_bosh: Support for cross-domain access control using CORS Matthew Wild <mwild1@gmail.com> parents: 2473 diff changeset	54 end
cf924f587410 mod_bosh: Support for cross-domain access control using CORS Matthew Wild <mwild1@gmail.com> parents: 2473 diff changeset	55 end
cf924f587410 mod_bosh: Support for cross-domain access control using CORS Matthew Wild <mwild1@gmail.com> parents: 2473 diff changeset	56
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	57 local trusted_proxies = module:get_option_set("trusted_proxies", {"127.0.0.1"})._items;
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	58
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	59 local function get_ip_from_request(request)
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	60 local ip = request.handler:ip();
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	61 local forwarded_for = request.headers["x-forwarded-for"];
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	62 if forwarded_for then
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	63 forwarded_for = forwarded_for..", "..ip;
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	64 for forwarded_ip in forwarded_for:gmatch("[^%s,]+") do
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	65 if not trusted_proxies[forwarded_ip] then
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	66 ip = forwarded_ip;
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	67 end
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	68 end
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	69 end
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	70 return ip;
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	71 end
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	72
636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	73 local t_insert, t_remove, t_concat = table.insert, table.remove, table.concat;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	74 local os_time = os.time;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	75
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	76 local sessions = {};
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	77 local inactive_sessions = {}; -- Sessions which have no open requests
636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	78
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	79 -- Used to respond to idle sessions (those with waiting requests)
636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	80 local waiting_requests = {};
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	81 function on_destroy_request(request)
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	82 waiting_requests[request] = nil;
947 84202314ab7f mod_bosh: Fix to correctly timeout idle sessions Matthew Wild <mwild1@gmail.com> parents: 866 diff changeset	83 local session = sessions[request.sid];
816 c031ead9896d mod_bosh: Possible fix for invalid key to next crash Matthew Wild <mwild1@gmail.com> parents: 772 diff changeset	84 if session then
c031ead9896d mod_bosh: Possible fix for invalid key to next crash Matthew Wild <mwild1@gmail.com> parents: 772 diff changeset	85 local requests = session.requests;
3039 2fef108d7eb7 mod_bosh: Remove requests from the session table using table.remove(), prevents the possibility of holes in the array. Matthew Wild <mwild1@gmail.com> parents: 2959 diff changeset	86 for i,r in ipairs(requests) do
2fef108d7eb7 mod_bosh: Remove requests from the session table using table.remove(), prevents the possibility of holes in the array. Matthew Wild <mwild1@gmail.com> parents: 2959 diff changeset	87 if r == request then
2fef108d7eb7 mod_bosh: Remove requests from the session table using table.remove(), prevents the possibility of holes in the array. Matthew Wild <mwild1@gmail.com> parents: 2959 diff changeset	88 t_remove(requests, i);
2fef108d7eb7 mod_bosh: Remove requests from the session table using table.remove(), prevents the possibility of holes in the array. Matthew Wild <mwild1@gmail.com> parents: 2959 diff changeset	89 break;
2fef108d7eb7 mod_bosh: Remove requests from the session table using table.remove(), prevents the possibility of holes in the array. Matthew Wild <mwild1@gmail.com> parents: 2959 diff changeset	90 end
816 c031ead9896d mod_bosh: Possible fix for invalid key to next crash Matthew Wild <mwild1@gmail.com> parents: 772 diff changeset	91 end
c031ead9896d mod_bosh: Possible fix for invalid key to next crash Matthew Wild <mwild1@gmail.com> parents: 772 diff changeset	92
c031ead9896d mod_bosh: Possible fix for invalid key to next crash Matthew Wild <mwild1@gmail.com> parents: 772 diff changeset	93 -- If this session now has no requests open, mark it as inactive
c031ead9896d mod_bosh: Possible fix for invalid key to next crash Matthew Wild <mwild1@gmail.com> parents: 772 diff changeset	94 if #requests == 0 and session.bosh_max_inactive and not inactive_sessions[session] then
c031ead9896d mod_bosh: Possible fix for invalid key to next crash Matthew Wild <mwild1@gmail.com> parents: 772 diff changeset	95 inactive_sessions[session] = os_time();
c031ead9896d mod_bosh: Possible fix for invalid key to next crash Matthew Wild <mwild1@gmail.com> parents: 772 diff changeset	96 (session.log or log)("debug", "BOSH session marked as inactive at %d", inactive_sessions[session]);
c031ead9896d mod_bosh: Possible fix for invalid key to next crash Matthew Wild <mwild1@gmail.com> parents: 772 diff changeset	97 end
c031ead9896d mod_bosh: Possible fix for invalid key to next crash Matthew Wild <mwild1@gmail.com> parents: 772 diff changeset	98 end
636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	99 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	100
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	101 function handle_request(method, body, request)
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	102 if (not body) or request.method ~= "POST" then
2484 cf924f587410 mod_bosh: Support for cross-domain access control using CORS Matthew Wild <mwild1@gmail.com> parents: 2473 diff changeset	103 if request.method == "OPTIONS" then
3542 2acaf129e1c3 mod_bosh: Don't add a Content-Type header to the HTTP OPTIONS reply. Waqas Hussain <waqas20@gmail.com> parents: 3492 diff changeset	104 local headers = {};
2acaf129e1c3 mod_bosh: Don't add a Content-Type header to the HTTP OPTIONS reply. Waqas Hussain <waqas20@gmail.com> parents: 3492 diff changeset	105 for k,v in pairs(default_headers) do headers[k] = v; end
2acaf129e1c3 mod_bosh: Don't add a Content-Type header to the HTTP OPTIONS reply. Waqas Hussain <waqas20@gmail.com> parents: 3492 diff changeset	106 headers["Content-Type"] = nil;
2acaf129e1c3 mod_bosh: Don't add a Content-Type header to the HTTP OPTIONS reply. Waqas Hussain <waqas20@gmail.com> parents: 3492 diff changeset	107 return { headers = headers, body = "" };
2484 cf924f587410 mod_bosh: Support for cross-domain access control using CORS Matthew Wild <mwild1@gmail.com> parents: 2473 diff changeset	108 else
cf924f587410 mod_bosh: Support for cross-domain access control using CORS Matthew Wild <mwild1@gmail.com> parents: 2473 diff changeset	109 return "<html><body>You really don't look like a BOSH client to me... what do you want?</body></html>";
cf924f587410 mod_bosh: Support for cross-domain access control using CORS Matthew Wild <mwild1@gmail.com> parents: 2473 diff changeset	110 end
636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	111 end
2473 3f4cfa375bd6 mod_bosh: Trailing whitespace Matthew Wild <mwild1@gmail.com> parents: 2467 diff changeset	112 if not method then
636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	113 log("debug", "Request %s suffered error %s", tostring(request.id), body);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	114 return;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	115 end
771 ecdf72f9b085 Remove redundant logging and debug printing from mod_bosh Matthew Wild <mwild1@gmail.com> parents: 763 diff changeset	116 --log("debug", "Handling new request %s: %s\n----------", request.id, tostring(body));
636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	117 request.notopen = true;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	118 request.log = log;
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	119 request.on_destroy = on_destroy_request;
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	120
3829 8d0f2acbfb28 mod_bosh: Switch to util.xmppstream from xmlhandlers Matthew Wild <mwild1@gmail.com> parents: 3807 diff changeset	121 local stream = new_xmpp_stream(request, stream_callbacks);
8d0f2acbfb28 mod_bosh: Switch to util.xmppstream from xmlhandlers Matthew Wild <mwild1@gmail.com> parents: 3807 diff changeset	122 -- stream:feed() calls the stream_callbacks, so all stanzas in
8d0f2acbfb28 mod_bosh: Switch to util.xmppstream from xmlhandlers Matthew Wild <mwild1@gmail.com> parents: 3807 diff changeset	123 -- the body are processed in this next line before it returns.
8d0f2acbfb28 mod_bosh: Switch to util.xmppstream from xmlhandlers Matthew Wild <mwild1@gmail.com> parents: 3807 diff changeset	124 stream:feed(body);
636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	125
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	126 local session = sessions[request.sid];
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	127 if session then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	128 local r = session.requests;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	129 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 Matthew Wild <mwild1@gmail.com> parents: diff changeset	130 log("debug", "and there are %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	131 if #r > session.bosh_hold then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	132 -- We are holding too many requests, send what's in the buffer,
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	133 log("debug", "We are holding too many requests, so...");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	134 if #session.send_buffer > 0 then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	135 log("debug", "...sending what is in the buffer")
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	136 session.send(t_concat(session.send_buffer));
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	137 session.send_buffer = {};
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	138 else
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	139 -- or an empty response
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	140 log("debug", "...sending an empty response");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	141 session.send("");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	142 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	143 elseif #session.send_buffer > 0 then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	144 log("debug", "Session has data in the send buffer, will send now..");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	145 local resp = t_concat(session.send_buffer);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	146 session.send_buffer = {};
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	147 session.send(resp);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	148 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	149
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	150 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. Matthew Wild <mwild1@gmail.com> parents: 3041 diff changeset	151 -- 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. Matthew Wild <mwild1@gmail.com> parents: 3041 diff changeset	152 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. Matthew Wild <mwild1@gmail.com> parents: 3041 diff changeset	153 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	154 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. Matthew Wild <mwild1@gmail.com> parents: 3041 diff changeset	155 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. Matthew Wild <mwild1@gmail.com> parents: 3041 diff changeset	156 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	157 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	158 -- 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	159 -- 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	160 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. Matthew Wild <mwild1@gmail.com> parents: 3041 diff changeset	161 end
636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	162 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	163
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	164 return true; -- Inform httpserver we shall reply later
636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	165 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	166 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	167
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	168
636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	169 local function bosh_reset_stream(session) session.notopen = true; end
684 b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve Matthew Wild <mwild1@gmail.com> parents: 683 diff changeset	170
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	171 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() Matthew Wild <mwild1@gmail.com> parents: 3447 diff changeset	172
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	173 local function bosh_close_stream(session, reason)
b7d85c6a0002 Implement session:close() for BOSH, and add checking for attempts to connect to hosts we don't serve Matthew Wild <mwild1@gmail.com> parents: 683 diff changeset	174 (session.log or log)("info", "BOSH client disconnected");
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	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 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	177 ["xmlns:streams"] = xmlns_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	178
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
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	180 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	181 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	182 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() Matthew Wild <mwild1@gmail.com> parents: 3447 diff changeset	183 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	184 :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	185 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	186 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	187 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	188 :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	189 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	190 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	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 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	193 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	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 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	196 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	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 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	199 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	200 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	201
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 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	203
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	204 --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	205 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	206 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	207 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	208 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	209 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	210 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	211 end
636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	212
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	213 function stream_callbacks.streamopened(request, attr)
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	214 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	215 local sid = attr.sid
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	216 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	217 -- 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	218 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	219
636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	220 -- 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	221 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	222 -- Unknown host
1048 45fc590539cd mod_bosh: Add log message for clients connecting to unknown host Matthew Wild <mwild1@gmail.com> parents: 1047 diff changeset	223 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	224 local close_reply = st.stanza("body", { xmlns = xmlns_bosh, type = "terminate",
6d782b1fcc8a mod_bosh: Fix traceback when initiating a BOSH session to an unknown host Matthew Wild <mwild1@gmail.com> parents: 3472 diff changeset	225 ["xmlns:streams"] = xmlns_streams, condition = "host-unknown" });
6d782b1fcc8a mod_bosh: Fix traceback when initiating a BOSH session to an unknown host Matthew Wild <mwild1@gmail.com> parents: 3472 diff changeset	226 request: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	227 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	228 end
636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	229
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	230 -- New session
763 8e77a39826c2 mod_bosh: No need to tostring() uuids now Matthew Wild <mwild1@gmail.com> parents: 725 diff changeset	231 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	232 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	233 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	234 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	235 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	236 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	237 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	238 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	239 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	240 };
636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	241 sessions[sid] = session;
1109 bb21eb3cd364 mod_bosh: Give BOSH sessions a logger (thanks Florob) Matthew Wild <mwild1@gmail.com> parents: 1049 diff changeset	242
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	243 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	244 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	245 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	246 local response = { headers = default_headers }
636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	247 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	248 -- 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	249 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	250 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	251 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	252 end
2099 73e083d01449 mod_bosh: Don't log response XML Matthew Wild <mwild1@gmail.com> parents: 2084 diff changeset	253 --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	254 local oldest_request = r[1];
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	255 if oldest_request then
2099 73e083d01449 mod_bosh: Don't log response XML Matthew Wild <mwild1@gmail.com> parents: 2084 diff changeset	256 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	257 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	258 oldest_request:send(response);
771 ecdf72f9b085 Remove redundant logging and debug printing from mod_bosh Matthew Wild <mwild1@gmail.com> parents: 763 diff changeset	259 --log("debug", "Sent");
636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	260 if oldest_request.stayopen then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	261 if #r>1 then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	262 -- Move front request to back
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	263 t_insert(r, oldest_request);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	264 t_remove(r, 1);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	265 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	266 else
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	267 log("debug", "Destroying the request now...");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	268 oldest_request:destroy();
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	269 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	270 elseif s ~= "" then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	271 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	272 -- Hmm, no requests are open :(
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	273 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	274 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	275 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	276 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	277
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	278 -- Send creation response
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	279
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	280 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	281 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	282 fire_event("stream-features", session, features);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	283 --xmpp:version='1.0' xmlns:xmpp='urn:xmpp:xbosh'
2473 3f4cfa375bd6 mod_bosh: Trailing whitespace Matthew Wild <mwild1@gmail.com> parents: 2467 diff changeset	284 local response = st.stanza("body", { xmlns = xmlns_bosh,
3847 9ffcf7df0c62 mod_bosh: Fixes to the session creation response - add mandatory 'wait' attribute, remove optional 'maxpause' which we don't support, and reformat the code to prevent long lines and wacky indentation. Fixes #219. Matthew Wild <mwild1@gmail.com> parents: 3829 diff changeset	285 wait = attr.wait,
9ffcf7df0c62 mod_bosh: Fixes to the session creation response - add mandatory 'wait' attribute, remove optional 'maxpause' which we don't support, and reformat the code to prevent long lines and wacky indentation. Fixes #219. Matthew Wild <mwild1@gmail.com> parents: 3829 diff changeset	286 inactivity = tostring(BOSH_DEFAULT_INACTIVITY),
9ffcf7df0c62 mod_bosh: Fixes to the session creation response - add mandatory 'wait' attribute, remove optional 'maxpause' which we don't support, and reformat the code to prevent long lines and wacky indentation. Fixes #219. Matthew Wild <mwild1@gmail.com> parents: 3829 diff changeset	287 polling = tostring(BOSH_DEFAULT_POLLING),
9ffcf7df0c62 mod_bosh: Fixes to the session creation response - add mandatory 'wait' attribute, remove optional 'maxpause' which we don't support, and reformat the code to prevent long lines and wacky indentation. Fixes #219. Matthew Wild <mwild1@gmail.com> parents: 3829 diff changeset	288 requests = tostring(BOSH_DEFAULT_REQUESTS),
9ffcf7df0c62 mod_bosh: Fixes to the session creation response - add mandatory 'wait' attribute, remove optional 'maxpause' which we don't support, and reformat the code to prevent long lines and wacky indentation. Fixes #219. Matthew Wild <mwild1@gmail.com> parents: 3829 diff changeset	289 hold = tostring(session.bosh_hold),
9ffcf7df0c62 mod_bosh: Fixes to the session creation response - add mandatory 'wait' attribute, remove optional 'maxpause' which we don't support, and reformat the code to prevent long lines and wacky indentation. Fixes #219. Matthew Wild <mwild1@gmail.com> parents: 3829 diff changeset	290 sid = sid, authid = sid,
9ffcf7df0c62 mod_bosh: Fixes to the session creation response - add mandatory 'wait' attribute, remove optional 'maxpause' which we don't support, and reformat the code to prevent long lines and wacky indentation. Fixes #219. Matthew Wild <mwild1@gmail.com> parents: 3829 diff changeset	291 ver = '1.6', from = session.host,
9ffcf7df0c62 mod_bosh: Fixes to the session creation response - add mandatory 'wait' attribute, remove optional 'maxpause' which we don't support, and reformat the code to prevent long lines and wacky indentation. Fixes #219. Matthew Wild <mwild1@gmail.com> parents: 3829 diff changeset	292 secure = 'true', ["xmpp:version"] = "1.0",
9ffcf7df0c62 mod_bosh: Fixes to the session creation response - add mandatory 'wait' attribute, remove optional 'maxpause' which we don't support, and reformat the code to prevent long lines and wacky indentation. Fixes #219. Matthew Wild <mwild1@gmail.com> parents: 3829 diff changeset	293 ["xmlns:xmpp"] = "urn:xmpp:xbosh",
9ffcf7df0c62 mod_bosh: Fixes to the session creation response - add mandatory 'wait' attribute, remove optional 'maxpause' which we don't support, and reformat the code to prevent long lines and wacky indentation. Fixes #219. Matthew Wild <mwild1@gmail.com> parents: 3829 diff changeset	294 ["xmlns:stream"] = "http://etherx.jabber.org/streams"
9ffcf7df0c62 mod_bosh: Fixes to the session creation response - add mandatory 'wait' attribute, remove optional 'maxpause' which we don't support, and reformat the code to prevent long lines and wacky indentation. Fixes #219. Matthew Wild <mwild1@gmail.com> parents: 3829 diff changeset	295 }):add_child(features);
866 8958fe4b2391 mod_bosh: Set Content-Type in response headers Matthew Wild <mwild1@gmail.com> parents: 816 diff changeset	296 request:send{ headers = default_headers, body = tostring(response) };
2473 3f4cfa375bd6 mod_bosh: Trailing whitespace Matthew Wild <mwild1@gmail.com> parents: 2467 diff changeset	297
636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	298 request.sid = sid;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	299 return;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	300 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	301
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	302 local session = sessions[sid];
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	303 if not session then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	304 -- Unknown sid
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	305 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	306 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	307 request.notopen = nil;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	308 return;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	309 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	310
1663 b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come) Matthew Wild <mwild1@gmail.com> parents: 1662 diff changeset	311 if session.rid then
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come) Matthew Wild <mwild1@gmail.com> parents: 1662 diff changeset	312 local rid = tonumber(attr.rid);
1664 6587b6c2678e mod_bosh: Calculate rid difference just once Matthew Wild <mwild1@gmail.com> parents: 1663 diff changeset	313 local diff = rid - session.rid;
6587b6c2678e mod_bosh: Calculate rid difference just once Matthew Wild <mwild1@gmail.com> parents: 1663 diff changeset	314 if diff > 1 then
1663 b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come) Matthew Wild <mwild1@gmail.com> parents: 1662 diff changeset	315 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	316 elseif diff <= 0 then
1663 b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come) Matthew Wild <mwild1@gmail.com> parents: 1662 diff changeset	317 -- 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	318 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	319 request.notopen = nil;
3450 4bd78a5fee75 mod_bosh: Fix to properly ignore repeated requests Matthew Wild <mwild1@gmail.com> parents: 3449 diff changeset	320 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	321 request.sid = sid;
1663 b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come) Matthew Wild <mwild1@gmail.com> parents: 1662 diff changeset	322 t_insert(session.requests, request);
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come) Matthew Wild <mwild1@gmail.com> parents: 1662 diff changeset	323 return;
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come) Matthew Wild <mwild1@gmail.com> parents: 1662 diff changeset	324 end
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come) Matthew Wild <mwild1@gmail.com> parents: 1662 diff changeset	325 session.rid = rid;
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come) Matthew Wild <mwild1@gmail.com> parents: 1662 diff changeset	326 end
b30c4d0bbe84 mod_bosh: Basic handling of rids (more to come) Matthew Wild <mwild1@gmail.com> parents: 1662 diff changeset	327
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	328 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	329 -- 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	330 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	331 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	332 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	333 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	334
636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	335 if session.notopen then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	336 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	337 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	338 fire_event("stream-features", session, features);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	339 session.send(features);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	340 session.notopen = nil;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	341 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	342
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	343 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	344 t_insert(session.requests, request);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	345 request.sid = sid;
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
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	348 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	349 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	350 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	351 local session = sessions[request.sid];
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	352 if session then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	353 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	354 stanza.attr.xmlns = nil;
636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	355 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	356 core_process_stanza(session, stanza);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	357 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	358 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	359
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	360 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	361 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	362 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	363 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	364 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	365 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	366
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	367 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	368 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	369 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	370 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	371 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	372 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	373 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	374
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	375 local dead_sessions = {};
636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	376 function on_timer()
660 b2c4a7ec31c6 Remove some old debugging code from mod_bosh Matthew Wild <mwild1@gmail.com> parents: 636 diff changeset	377 -- 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	378 -- 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	379 local now = os_time() + 3;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	380 for request in pairs(waiting_requests) do
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	381 if request.reply_before <= now then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	382 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: diff changeset	383 -- Send empty response to let the
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	384 -- client know we're still here
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	385 if request.conn then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	386 sessions[request.sid].send("");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	387 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	388 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	389 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	390
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	391 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	392 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	393 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	394 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	395 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	396 (session.log or log)("debug", "BOSH client inactive too long, destroying session at %d", now);
4a218377f4e3 BOSH: Fix for error when closed session was in inactive_sessions list Matthew Wild <mwild1@gmail.com> parents: 684 diff changeset	397 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	398 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	399 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	400 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	401 end
693 d8b793e612a9 BOSH: Make previous fix a bit more efficient Matthew Wild <mwild1@gmail.com> parents: 692 diff changeset	402 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	403 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	404 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	405 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	406
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	407 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	408 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	409 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	410 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	411 end
3807 bfd72edfd95c mod_bosh: Use util.timer for timers instead of server.addtimer. Waqas Hussain <waqas20@gmail.com> parents: 3542 diff changeset	412 return 1;
636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	413 end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	414
701 dc67e3cffff4 BOSH: Allow BOSH servers to be configured through config file Matthew Wild <mwild1@gmail.com> parents: 693 diff changeset	415
2354 5a00668ba0ab mod_bosh: Delay setup until after server is started. Waqas Hussain <waqas20@gmail.com> parents: 2099 diff changeset	416 local function setup()
5a00668ba0ab mod_bosh: Delay setup until after server is started. Waqas Hussain <waqas20@gmail.com> parents: 2099 diff changeset	417 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	418 httpserver.new_from_config(ports, handle_request, { base = "http-bind" });
3807 bfd72edfd95c mod_bosh: Use util.timer for timers instead of server.addtimer. Waqas Hussain <waqas20@gmail.com> parents: 3542 diff changeset	419 timer.add_task(1, on_timer);
2354 5a00668ba0ab mod_bosh: Delay setup until after server is started. Waqas Hussain <waqas20@gmail.com> parents: 2099 diff changeset	420 end
5a00668ba0ab mod_bosh: Delay setup until after server is started. Waqas Hussain <waqas20@gmail.com> parents: 2099 diff changeset	421 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	422 setup();
5a00668ba0ab mod_bosh: Delay setup until after server is started. Waqas Hussain <waqas20@gmail.com> parents: 2099 diff changeset	423 else
5a00668ba0ab mod_bosh: Delay setup until after server is started. Waqas Hussain <waqas20@gmail.com> parents: 2099 diff changeset	424 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	425 end

prosody

ab8d1c90527c

plugins/mod_bosh.lua

Software / code / prosody

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plugins/mod_bosh.lua @ 3852:ab8d1c90527c

Software `/` code `/` prosody