X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=plugins%2Fmod_bosh.lua;h=a747f3cbd4a09d121e08189c327faa13bb0dedf2;hb=d749d82cbeb0e762b1634abcef79ec3a29274f2d;hp=bc31b3a13c8140de5424763277d4bfbd20b57628;hpb=fde73ce4ee084193e3b66cbde193690a1df63cbd;p=prosody.git diff --git a/plugins/mod_bosh.lua b/plugins/mod_bosh.lua index bc31b3a1..a747f3cb 100644 --- a/plugins/mod_bosh.lua +++ b/plugins/mod_bosh.lua @@ -1,6 +1,6 @@ -- Prosody IM --- Copyright (C) 2008-2009 Matthew Wild --- Copyright (C) 2008-2009 Waqas Hussain +-- Copyright (C) 2008-2010 Matthew Wild +-- Copyright (C) 2008-2010 Waqas Hussain -- -- This project is MIT/X11 licensed. Please see the -- COPYING file in the source package for more information. @@ -10,29 +10,65 @@ module.host = "*" -- Global module local hosts = _G.hosts; local lxp = require "lxp"; -local init_xmlhandlers = require "core.xmlhandlers" -local server = require "net.server"; +local new_xmpp_stream = require "util.xmppstream".new; local httpserver = require "net.httpserver"; local sm = require "core.sessionmanager"; local sm_destroy_session = sm.destroy_session; local new_uuid = require "util.uuid".generate; -local fire_event = require "core.eventmanager".fire_event; +local fire_event = prosody.events.fire_event; local core_process_stanza = core_process_stanza; local st = require "util.stanza"; local logger = require "util.logger"; local log = logger.init("mod_bosh"); +local timer = require "util.timer"; +local xmlns_streams = "http://etherx.jabber.org/streams"; +local xmlns_xmpp_streams = "urn:ietf:params:xml:ns:xmpp-streams"; local xmlns_bosh = "http://jabber.org/protocol/httpbind"; -- (hard-coded into a literal in session.send) -local stream_callbacks = { stream_tag = "http://jabber.org/protocol/httpbind\1body", default_ns = xmlns_bosh }; + +local stream_callbacks = { + stream_ns = xmlns_bosh, stream_tag = "body", default_ns = "jabber:client" }; 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 consider_bosh_secure = module:get_option_boolean("consider_bosh_secure"); 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 trusted_proxies = module:get_option_set("trusted_proxies", {"127.0.0.1"})._items; + +local function get_ip_from_request(request) + local ip = request.handler:ip(); + local forwarded_for = request.headers["x-forwarded-for"]; + if forwarded_for then + forwarded_for = forwarded_for..", "..ip; + for forwarded_ip in forwarded_for:gmatch("[^%s,]+") do + if not trusted_proxies[forwarded_ip] then + ip = forwarded_ip; + end + end + end + return ip; +end local t_insert, t_remove, t_concat = table.insert, table.remove, table.concat; local os_time = os.time; @@ -47,8 +83,11 @@ function on_destroy_request(request) local session = sessions[request.sid]; if session then local requests = session.requests; - for i,r in pairs(requests) do - if r == request then requests[i] = nil; break; end + for i,r in ipairs(requests) do + if r == request then + t_remove(requests, i); + break; + end end -- If this session now has no requests open, mark it as inactive @@ -61,21 +100,37 @@ 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 + local headers = {}; + for k,v in pairs(default_headers) do headers[k] = v; end + headers["Content-Type"] = nil; + return { headers = 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), "\1"); + request.on_destroy = on_destroy_request; - parser:parse(body); + local stream = new_xmpp_stream(request, stream_callbacks); + -- stream:feed() calls the stream_callbacks, so all stanzas in + -- the body are processed in this next line before it returns. + stream:feed(body); local session = sessions[request.sid]; if session then + -- Session was marked as inactive, since we have + -- a request open now, unmark it + if inactive_sessions[session] then + inactive_sessions[session] = nil; + end + local r = session.requests; log("debug", "Session %s has %d out of %d requests open", request.sid, #r, session.bosh_hold); log("debug", "and there are %d things in the send_buffer", #session.send_buffer); @@ -98,25 +153,58 @@ function handle_request(method, body, request) session.send(resp); end - if not request.destroyed and session.bosh_wait then - request.reply_before = os_time() + session.bosh_wait; - request.on_destroy = on_destroy_request; - waiting_requests[request] = true; + if not request.destroyed then + -- We're keeping this request open, to respond later + log("debug", "Have nothing to say, so leaving request unanswered for now"); + if session.bosh_wait then + request.reply_before = os_time() + session.bosh_wait; + waiting_requests[request] = true; + end end - log("debug", "Have nothing to say, so leaving request unanswered for now"); - return true; + return true; -- Inform httpserver we shall reply later end end local function bosh_reset_stream(session) session.notopen = true; end +local stream_xmlns_attr = { xmlns = "urn:ietf:params:xml:ns:xmpp-streams" }; + local function bosh_close_stream(session, reason) (session.log or log)("info", "BOSH client disconnected"); - session_close_reply.attr.condition = reason; + + local close_reply = st.stanza("body", { xmlns = xmlns_bosh, type = "terminate", + ["xmlns:streams"] = xmlns_streams }); + + + if reason then + close_reply.attr.condition = "remote-stream-error"; + if type(reason) == "string" then -- assume stream error + close_reply:tag("stream:error") + :tag(reason, {xmlns = xmlns_xmpp_streams}); + elseif type(reason) == "table" then + if reason.condition then + close_reply:tag("stream:error") + :tag(reason.condition, stream_xmlns_attr):up(); + if reason.text then + close_reply:tag("text", stream_xmlns_attr):text(reason.text):up(); + end + if reason.extra then + close_reply:add_child(reason.extra); + end + elseif reason.name then -- a stanza + close_reply = reason; + end + end + log("info", "Disconnecting client,