X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;ds=sidebyside;f=plugins%2Fmod_bosh.lua;h=2cb3100ee1243d6b8bfbb80802b068b3589eee14;hb=095d291f5356ff2450c11608fda6bdabc4286f91;hp=d15f363db302c09035bcab4a08c5a403d46742ab;hpb=12c05dbb91aa43f4aa1fdf5530cef2f703f21e3f;p=prosody.git diff --git a/plugins/mod_bosh.lua b/plugins/mod_bosh.lua index d15f363d..2cb3100e 100644 --- a/plugins/mod_bosh.lua +++ b/plugins/mod_bosh.lua @@ -1,6 +1,14 @@ +-- Prosody IM +-- Copyright (C) 2008-2009 Matthew Wild +-- Copyright (C) 2008-2009 Waqas Hussain +-- +-- This project is MIT/X11 licensed. Please see the +-- COPYING file in the source package for more information. +-- module.host = "*" -- Global module +local hosts = _G.hosts; local lxp = require "lxp"; local init_xmlhandlers = require "core.xmlhandlers" local server = require "net.server"; @@ -11,18 +19,36 @@ local new_uuid = require "util.uuid".generate; local fire_event = require "core.eventmanager".fire_event; local core_process_stanza = core_process_stanza; local st = require "util.stanza"; -local log = require "util.logger".init("bosh"); -local stream_callbacks = { stream_tag = "http://jabber.org/protocol/httpbind|body" }; -local config = require "core.configmanager"; +local logger = require "util.logger"; +local log = logger.init("mod_bosh"); + local xmlns_bosh = "http://jabber.org/protocol/httpbind"; -- (hard-coded into a literal in session.send) +local stream_callbacks = { stream_ns = "http://jabber.org/protocol/httpbind", stream_tag = "body", default_ns = xmlns_bosh }; -local BOSH_DEFAULT_HOLD = tonumber(config.get("*", "core", "bosh_default_hold")) or 1; -local BOSH_DEFAULT_INACTIVITY = tonumber(config.get("*", "core", "bosh_max_inactivity")) or 60; -local BOSH_DEFAULT_POLLING = tonumber(config.get("*", "core", "bosh_max_polling")) or 5; -local BOSH_DEFAULT_REQUESTS = tonumber(config.get("*", "core", "bosh_max_requests")) or 2; -local BOSH_DEFAULT_MAXPAUSE = tonumber(config.get("*", "core", "bosh_max_pause")) or 300; +local BOSH_DEFAULT_HOLD = tonumber(module:get_option("bosh_default_hold")) or 1; +local BOSH_DEFAULT_INACTIVITY = tonumber(module:get_option("bosh_max_inactivity")) or 60; +local BOSH_DEFAULT_POLLING = tonumber(module:get_option("bosh_max_polling")) or 5; +local BOSH_DEFAULT_REQUESTS = tonumber(module:get_option("bosh_max_requests")) or 2; +local BOSH_DEFAULT_MAXPAUSE = tonumber(module:get_option("bosh_max_pause")) or 300; local default_headers = { ["Content-Type"] = "text/xml; charset=utf-8" }; +local session_close_reply = { headers = default_headers, body = st.stanza("body", { xmlns = xmlns_bosh, type = "terminate" }), attr = {} }; + +local cross_domain = module:get_option("cross_domain_bosh"); +if cross_domain then + default_headers["Access-Control-Allow-Methods"] = "GET, POST, OPTIONS"; + default_headers["Access-Control-Allow-Headers"] = "Content-Type"; + default_headers["Access-Control-Max-Age"] = "7200"; + + if cross_domain == true then + default_headers["Access-Control-Allow-Origin"] = "*"; + elseif type(cross_domain) == "table" then + cross_domain = table.concat(cross_domain, ", "); + end + if type(cross_domain) == "string" then + default_headers["Access-Control-Allow-Origin"] = cross_domain; + end +end local t_insert, t_remove, t_concat = table.insert, table.remove, table.concat; local os_time = os.time; @@ -51,16 +77,20 @@ end function handle_request(method, body, request) if (not body) or request.method ~= "POST" then - return "You really don't look like a BOSH client to me... what do you want?"; + if request.method == "OPTIONS" then + return { headers = default_headers, body = "" }; + else + return "You really don't look like a BOSH client to me... what do you want?"; + end end - if not method then + if not method then log("debug", "Request %s suffered error %s", tostring(request.id), body); return; end --log("debug", "Handling new request %s: %s\n----------", request.id, tostring(body)); request.notopen = true; request.log = log; - local parser = lxp.new(init_xmlhandlers(request, stream_callbacks), "|"); + local parser = lxp.new(init_xmlhandlers(request, stream_callbacks), "\1"); parser:parse(body); @@ -102,11 +132,9 @@ end local function bosh_reset_stream(session) session.notopen = true; end -local session_close_reply = { headers = default_headers, body = st.stanza("body", { xmlns = xmlns_bosh, type = "terminate" }), attr = {} }; local function bosh_close_stream(session, reason) (session.log or log)("info", "BOSH client disconnected"); session_close_reply.attr.condition = reason; - local session_close_reply = tostring(session_close_reply); for _, held_request in ipairs(session.requests) do held_request:send(session_close_reply); held_request:destroy(); @@ -126,23 +154,25 @@ function stream_callbacks.streamopened(request, attr) if not hosts[attr.to] then -- Unknown host log("debug", "BOSH client tried to connect to unknown host: %s", tostring(attr.to)); - session_close_reply.attr.condition = "host-unknown"; - request:send{ headers = default_headers, body = tostring(session_close_reply) }; + session_close_reply.body.attr.condition = "host-unknown"; + request:send(session_close_reply); request.notopen = nil return; end -- New session sid = new_uuid(); - local session = { type = "c2s_unauthed", conn = {}, sid = sid, rid = attr.rid, host = attr.to, bosh_version = attr.ver, bosh_wait = attr.wait, streamid = sid, + local session = { type = "c2s_unauthed", conn = {}, sid = sid, rid = tonumber(attr.rid), host = attr.to, bosh_version = attr.ver, bosh_wait = attr.wait, streamid = sid, bosh_hold = BOSH_DEFAULT_HOLD, bosh_max_inactive = BOSH_DEFAULT_INACTIVITY, - requests = { }, send_buffer = {}, reset_stream = bosh_reset_stream, close = bosh_close_stream, dispatch_stanza = core_process_stanza }; + requests = { }, send_buffer = {}, reset_stream = bosh_reset_stream, close = bosh_close_stream, + dispatch_stanza = core_process_stanza, log = logger.init("bosh"..sid), secure = request.secure }; sessions[sid] = session; + log("info", "New BOSH session, assigned it sid '%s'", sid); local r, send_buffer = session.requests, session.send_buffer; local response = { headers = default_headers } function session.send(s) - log("debug", "Sending BOSH data: %s", tostring(s)); + --log("debug", "Sending BOSH data: %s", tostring(s)); local oldest_request = r[1]; while oldest_request and oldest_request.destroyed do t_remove(r, 1); @@ -150,7 +180,7 @@ function stream_callbacks.streamopened(request, attr) oldest_request = r[1]; end if oldest_request then - log("debug", "We have an open request, so using that to send with"); + log("debug", "We have an open request, so sending on that"); response.body = t_concat{"", tostring(s), "" }; oldest_request:send(response); --log("debug", "Sent"); @@ -176,14 +206,15 @@ function stream_callbacks.streamopened(request, attr) -- Send creation response local features = st.stanza("stream:features"); + hosts[session.host].events.fire_event("stream-features", { origin = session, features = features }); fire_event("stream-features", session, features); --xmpp:version='1.0' xmlns:xmpp='urn:xmpp:xbosh' - local response = st.stanza("body", { xmlns = xmlns_bosh, - inactivity = tostring(BOSH_DEFAULT_INACTIVITY), polling = tostring(BOSH_DEFAULT_POLLING), requests = tostring(BOSH_DEFAULT_REQUESTS), hold = tostring(session.bosh_hold), maxpause = "120", - sid = sid, authid = sid, ver = '1.6', from = session.host, secure = 'true', ["xmpp:version"] = "1.0", + local response = st.stanza("body", { xmlns = xmlns_bosh, + inactivity = tostring(BOSH_DEFAULT_INACTIVITY), polling = tostring(BOSH_DEFAULT_POLLING), requests = tostring(BOSH_DEFAULT_REQUESTS), hold = tostring(session.bosh_hold), maxpause = "120", + sid = sid, authid = sid, ver = '1.6', from = session.host, secure = 'true', ["xmpp:version"] = "1.0", ["xmlns:xmpp"] = "urn:xmpp:xbosh", ["xmlns:stream"] = "http://etherx.jabber.org/streams" }):add_child(features); request:send{ headers = default_headers, body = tostring(response) }; - + request.sid = sid; return; end @@ -197,6 +228,21 @@ function stream_callbacks.streamopened(request, attr) return; end + if session.rid then + local rid = tonumber(attr.rid); + local diff = rid - session.rid; + if diff > 1 then + session.log("warn", "rid too large (means a request was lost). Last rid: %d New rid: %s", session.rid, attr.rid); + elseif diff <= 0 then + -- Repeated, ignore + session.log("debug", "rid repeated (on request %s), ignoring: %d", request.id, session.rid); + request.notopen = nil; + t_insert(session.requests, request); + return; + end + session.rid = rid; + end + if attr.type == "terminate" then -- Client wants to end this session session:close(); @@ -212,6 +258,7 @@ function stream_callbacks.streamopened(request, attr) if session.notopen then local features = st.stanza("stream:features"); + hosts[session.host].events.fire_event("stream-features", { origin = session, features = features }); fire_event("stream-features", session, features); session.send(features); session.notopen = nil; @@ -229,10 +276,12 @@ function stream_callbacks.handlestanza(request, stanza) if stanza.attr.xmlns == xmlns_bosh then stanza.attr.xmlns = "jabber:client"; end + session.ip = request.handler:ip(); core_process_stanza(session, stanza); end end +local dead_sessions = {}; function on_timer() -- log("debug", "Checking for requests soon to timeout..."); -- Identify requests timing out within the next few seconds @@ -249,31 +298,36 @@ function on_timer() end now = now - 3; + local n_dead_sessions = 0; for session, inactive_since in pairs(inactive_sessions) do if session.bosh_max_inactive then if now - inactive_since > session.bosh_max_inactive then (session.log or log)("debug", "BOSH client inactive too long, destroying session at %d", now); sessions[session.sid] = nil; inactive_sessions[session] = nil; - sm_destroy_session(session, "BOSH client silent for over "..session.bosh_max_inactive.." seconds"); + n_dead_sessions = n_dead_sessions + 1; + dead_sessions[n_dead_sessions] = session; end else inactive_sessions[session] = nil; end end -end -local ports = config.get(module.host, "core", "bosh_ports") or { 5280 }; -for _, options in ipairs(ports) do - local port, base, ssl, interface = 5280, "http-bind", false, nil; - if type(options) == "number" then - port = options; - elseif type(options) == "table" then - port, base, ssl, interface = options.port or 5280, options.path or "http-bind", options.ssl or false, options.interface; - elseif type(options) == "string" then - base = options; + for i=1,n_dead_sessions do + local session = dead_sessions[i]; + dead_sessions[i] = nil; + sm_destroy_session(session, "BOSH client silent for over "..session.bosh_max_inactive.." seconds"); end - httpserver.new{ port = port, base = base, handler = handle_request, ssl = ssl } end -server.addtimer(on_timer); + +local function setup() + local ports = module:get_option("bosh_ports") or { 5280 }; + httpserver.new_from_config(ports, handle_request, { base = "http-bind" }); + server.addtimer(on_timer); +end +if prosody.start_time then -- already started + setup(); +else + prosody.events.add_handler("server-started", setup); +end