From 327c81737eb11a340005c7078015c46fdfea6390 Mon Sep 17 00:00:00 2001 From: Matthew Wild Date: Thu, 4 Dec 2008 18:47:26 +0000 Subject: Abstract xmlhandlers a bit more, also add error callbacks --- core/xmlhandlers.lua | 20 +++++++++++--------- 1 file changed, 11 insertions(+), 9 deletions(-) (limited to 'core/xmlhandlers.lua') diff --git a/core/xmlhandlers.lua b/core/xmlhandlers.lua index ec3051b4..2872a036 100644 --- a/core/xmlhandlers.lua +++ b/core/xmlhandlers.lua @@ -52,12 +52,13 @@ function init_xmlhandlers(session, stream_callbacks) local chardata = {}; local xml_handlers = {}; local log = session.log or default_log; - --local print = function (...) log("info", "xmlhandlers", t_concatall({...}, "\t")); end - + local send = session.send; local cb_streamopened = stream_callbacks.streamopened; local cb_streamclosed = stream_callbacks.streamclosed; + local cb_error = stream_callbacks.error or function (e) error("XML stream error: "..tostring(e)); end; + local cb_handlestanza = stream_callbacks.handlestanza; local stanza function xml_handlers:StartElement(name, attr) @@ -92,12 +93,14 @@ function init_xmlhandlers(session, stream_callbacks) if cb_streamopened then cb_streamopened(session, attr); end - return; + else + -- Garbage before stream? + cb_error("no-stream"); end - error("Client failed to open stream successfully"); + return; end if curr_ns == "jabber:client" and name ~= "iq" and name ~= "presence" and name ~= "message" then - error("Client sent invalid top-level stanza"); + cb_error("invalid-top-level-element"); end stanza = st.stanza(name, attr); @@ -119,15 +122,14 @@ function init_xmlhandlers(session, stream_callbacks) curr_ns,name = name:match("^(.+)|([%w%-]+)$"); if (not stanza) or (#stanza.last_add > 0 and name ~= stanza.last_add[#stanza.last_add].name) then if name == "stream" then - log("debug", "Stream closed"); if cb_streamclosed then cb_streamclosed(session); end return; elseif name == "error" then - error("Stream error: "..tostring(name)..": "..tostring(stanza)); + cb_error("stream-error", stanza); else - error("XML parse error in client stream with element: "..name); + cb_error("parse-error", "unexpected-element-close", name); end end if stanza and #chardata > 0 then @@ -137,7 +139,7 @@ function init_xmlhandlers(session, stream_callbacks) end -- Complete stanza if #stanza.last_add == 0 then - session.stanza_dispatch(stanza); + cb_handlestanza(session, stanza); stanza = nil; else stanza:up(); -- cgit v1.2.3