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 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 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");
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;
function handle_request(method, body, request)
if (not body) or request.method ~= "POST" then
if request.method == "OPTIONS" then
- return { headers = default_headers, body = "" };
+ local headers = {};
+ for k,v in pairs(default_headers) do headers[k] = v; end
+ headers["Content-Type"] = nil;
+ return { headers = headers, body = "" };
else
return "<html><body>You really don't look like a BOSH client to me... what do you want?</body></html>";
end
request.log = log;
request.on_destroy = on_destroy_request;
- local parser = lxp.new(init_xmlhandlers(request, stream_callbacks), "\1");
-
- 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] and #session.requests > 0 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);
request.reply_before = os_time() + session.bosh_wait;
waiting_requests[request] = true;
end
- if inactive_sessions[session] then
- -- Session was marked as inactive, since we have
- -- a request open now, unmark it
- inactive_sessions[session] = nil;
- end
end
- return true; -- Inform httpserver we shall reply later
+ if session.bosh_terminate then
+ session.log("debug", "Closing session with %d requests open", #session.requests);
+ session:close();
+ return nil;
+ else
+ return true; -- Inform httpserver we shall reply later
+ end
end
end
local session_close_response = { headers = default_headers, body = tostring(close_reply) };
- --FIXME: Quite sure we shouldn't reply to all requests with the error
for _, held_request in ipairs(session.requests) do
held_request:send(session_close_response);
held_request:destroy();
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.body.attr.condition = "host-unknown";
- request:send(session_close_reply);
- request.notopen = nil
+ local close_reply = st.stanza("body", { xmlns = xmlns_bosh, type = "terminate",
+ ["xmlns:streams"] = xmlns_streams, condition = "host-unknown" });
+ request:send(tostring(close_reply));
return;
end
-- New session
sid = new_uuid();
local session = {
- type = "c2s_unauthed", conn = {}, sid = sid, rid = tonumber(attr.rid)-1, host = attr.to,
+ 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,
- log = logger.init("bosh"..sid), secure = consider_bosh_secure or request.secure
+ log = logger.init("bosh"..sid), secure = consider_bosh_secure or request.secure,
+ ip = get_ip_from_request(request);
};
sessions[sid] = session;
+ session.log("debug", "BOSH session created for request from %s", session.ip);
log("info", "New BOSH session, assigned it sid '%s'", sid);
local r, send_buffer = session.requests, session.send_buffer;
local response = { headers = default_headers }
local oldest_request = r[1];
if oldest_request then
log("debug", "We have an open request, so sending on that");
- response.body = t_concat{"<body xmlns='http://jabber.org/protocol/httpbind' sid='", sid, "' xmlns:stream = 'http://etherx.jabber.org/streams'>", tostring(s), "</body>" };
+ response.body = t_concat({
+ "<body xmlns='http://jabber.org/protocol/httpbind' ",
+ session.bosh_terminate and "type='terminate' " or "",
+ "sid='", sid, "' xmlns:stream = 'http://etherx.jabber.org/streams'>",
+ tostring(s),
+ "</body>"
+ });
oldest_request:send(response);
--log("debug", "Sent");
if oldest_request.stayopen then
t_insert(session.send_buffer, tostring(s));
log("debug", "There are now %d things in the send_buffer", #session.send_buffer);
end
+ return true;
end
-- Send creation response
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",
- ["xmlns:xmpp"] = "urn:xmpp:xbosh", ["xmlns:stream"] = "http://etherx.jabber.org/streams" }):add_child(features);
+ wait = attr.wait,
+ inactivity = tostring(BOSH_DEFAULT_INACTIVITY),
+ polling = tostring(BOSH_DEFAULT_POLLING),
+ requests = tostring(BOSH_DEFAULT_REQUESTS),
+ hold = tostring(session.bosh_hold),
+ 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;
session.rid = rid;
end
- if attr.type == "terminate" then
- -- Client wants to end this session
- session:close();
- request.notopen = nil;
- return;
- end
-
if session.notopen then
local features = st.stanza("stream:features");
hosts[session.host].events.fire_event("stream-features", { origin = session, features = features });
session.notopen = nil;
end
+ if attr.type == "terminate" then
+ -- Client wants to end this session, which we'll do
+ -- after processing any stanzas in this request
+ session.bosh_terminate = true;
+ end
+
request.notopen = nil; -- Signals that we accept this opening tag
t_insert(session.requests, request);
request.sid = sid;
if stanza.attr.xmlns == xmlns_bosh then
stanza.attr.xmlns = nil;
end
- session.ip = request.handler:ip();
core_process_stanza(session, stanza);
end
end
dead_sessions[i] = nil;
sm_destroy_session(session, "BOSH client silent for over "..session.bosh_max_inactive.." seconds");
end
+ return 1;
end
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);
+ timer.add_task(1, on_timer);
end
if prosody.start_time then -- already started
setup();
projects / prosody.git / blobdiff