local hosts = _G.hosts;
local lxp = require "lxp";
-local new_xmpp_stream = require "util.xmppstream".new;
+local init_xmlhandlers = require "core.xmlhandlers"
+local server = require "net.server";
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 = prosody.events.fire_event;
+local fire_event = require "core.eventmanager".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_ns = xmlns_bosh, stream_tag = "body", default_ns = "jabber:client" };
+local stream_callbacks = { stream_ns = "http://jabber.org/protocol/httpbind", 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
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
- local headers = {};
- for k,v in pairs(default_headers) do headers[k] = v; end
- headers["Content-Type"] = nil;
- return { headers = headers, body = "" };
+ return { headers = default_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 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 parser = lxp.new(init_xmlhandlers(request, stream_callbacks), "\1");
+
+ parser:parse(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);
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
- 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
+ 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");
-
- 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, <stream:error> is: %s", tostring(close_reply));
- end
-
- local session_close_response = { headers = default_headers, body = tostring(close_reply) };
-
+ session_close_reply.attr.condition = reason;
for _, held_request in ipairs(session.requests) do
- held_request:send(session_close_response);
+ held_request:send(session_close_reply);
held_request:destroy();
end
sessions[session.sid] = nil;
if not hosts[attr.to] then
-- Unknown host
log("debug", "BOSH client tried to connect to unknown host: %s", tostring(attr.to));
- local close_reply = st.stanza("body", { xmlns = xmlns_bosh, type = "terminate",
- ["xmlns:streams"] = xmlns_streams, condition = "host-unknown" });
- request:send(tostring(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 = tonumber(attr.rid), host = attr.to,
+ type = "c2s_unauthed", conn = {}, sid = sid, rid = tonumber(attr.rid)-1, 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,
- ip = get_ip_from_request(request);
+ log = logger.init("bosh"..sid), secure = consider_bosh_secure or request.secure
};
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 }
function session.send(s)
- -- We need to ensure that outgoing stanzas have the jabber:client xmlns
- if s.attr and not s.attr.xmlns then
- s = st.clone(s);
- s.attr.xmlns = "jabber:client";
- end
--log("debug", "Sending BOSH data: %s", tostring(s));
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' ",
- session.bosh_terminate and "type='terminate' " or "",
- "sid='", sid, "' xmlns:stream = 'http://etherx.jabber.org/streams'>",
- tostring(s),
- "</body>"
- });
+ response.body = t_concat{"<body xmlns='http://jabber.org/protocol/httpbind' 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,
- 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);
+ 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;
-- Repeated, ignore
session.log("debug", "rid repeated (on request %s), ignoring: %s (diff %d)", request.id, session.rid, diff);
request.notopen = nil;
- request.ignore = true;
request.sid = sid;
t_insert(session.requests, request);
return;
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;
end
function stream_callbacks.handlestanza(request, stanza)
- if request.ignore then return; end
log("debug", "BOSH stanza received: %s\n", stanza:top_tag());
local session = sessions[request.sid];
if session then
if stanza.attr.xmlns == xmlns_bosh then
stanza.attr.xmlns = nil;
end
+ session.ip = request.handler:ip();
core_process_stanza(session, stanza);
end
end
-function stream_callbacks.error(request, error)
- log("debug", "Error parsing BOSH request payload; %s", error);
- if not request.sid then
- request:send({ headers = default_headers, status = "400 Bad Request" });
- return;
- end
-
- local session = sessions[request.sid];
- if error == "stream-error" then -- Remote stream error, we close normally
- session:close();
- else
- session:close({ condition = "bad-format", text = "Error processing stream" });
- end
-end
-
local dead_sessions = {};
function on_timer()
-- log("debug", "Checking for requests soon to timeout...");
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" });
- timer.add_task(1, on_timer);
+ server.addtimer(on_timer);
end
if prosody.start_time then -- already started
setup();
projects / prosody.git / blobdiff