mod_console: Add host:* commands to help (thanks Zash)
[prosody.git] / plugins / mod_bosh.lua
index b11de6c6d7c29ead7b59492f6be8178272dbc1ee..2b95659c0ac51a9bc9eb5c2d6b470c152006867e 100644 (file)
@@ -16,14 +16,18 @@ 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 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 = "http://jabber.org/protocol/httpbind", stream_tag = "body", default_ns = "jabber:client" };
+
+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;
@@ -31,8 +35,9 @@ local BOSH_DEFAULT_POLLING = tonumber(module:get_option("bosh_max_polling")) or
 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
@@ -144,11 +149,42 @@ 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, <stream:error> is: %s", tostring(close_reply));
+       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_reply);
+               held_request:send(session_close_response);
                held_request:destroy();
        end
        sessions[session.sid]  = nil;
@@ -174,16 +210,25 @@ function stream_callbacks.streamopened(request, attr)
                
                -- New session
                sid = new_uuid();
-               local session = { 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 = request.secure };
+               local session = {
+                       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
+               };
                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)
+                       -- 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
@@ -243,6 +288,7 @@ function stream_callbacks.streamopened(request, attr)
                        -- 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;
@@ -271,6 +317,7 @@ function stream_callbacks.streamopened(request, attr)
 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
@@ -282,6 +329,21 @@ function stream_callbacks.handlestanza(request, 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...");