+-- Prosody IM v0.2
+-- Copyright (C) 2008 Matthew Wild
+-- Copyright (C) 2008 Waqas Hussain
+--
+-- This program is free software; you can redistribute it and/or
+-- modify it under the terms of the GNU General Public License
+-- as published by the Free Software Foundation; either version 2
+-- of the License, or (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+-- GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with this program; if not, write to the Free Software
+-- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+--
+
+
require "util.stanza"
local st = stanza;
local tostring = tostring;
+local pairs = pairs;
+local ipairs = ipairs;
+local type = type;
+local print = print;
local format = string.format;
local m_random = math.random;
local t_insert = table.insert;
local t_remove = table.remove;
local t_concat = table.concat;
local t_concatall = function (t, sep) local tt = {}; for _, s in ipairs(t) do t_insert(tt, tostring(s)); end return t_concat(tt, sep); end
+local sm_destroy_session = import("core.sessionmanager", "destroy_session");
+
+local default_log = require "util.logger".init("xmlhandlers");
local error = error;
module "xmlhandlers"
-function init_xmlhandlers(session)
+local ns_prefixes = {
+ ["http://www.w3.org/XML/1998/namespace"] = "xml";
+ }
+
+function init_xmlhandlers(session, stream_callbacks)
local ns_stack = { "" };
- local curr_ns = "";
+ local curr_ns, name = "";
local curr_tag;
local chardata = {};
local xml_handlers = {};
- local log = session.log;
- local print = function (...) log("info", "xmlhandlers", t_concatall({...}, "\t")); end
+ local log = session.log or default_log;
- local send = session.send;
+ local cb_streamopened = stream_callbacks.streamopened;
+ local cb_streamclosed = stream_callbacks.streamclosed;
+ local cb_error = stream_callbacks.error or function (session, e) error("XML stream error: "..tostring(e)); end;
+ local cb_handlestanza = stream_callbacks.handlestanza;
+
+ local stream_tag = stream_callbacks.stream_tag;
local stanza
- function xml_handlers:StartElement(name, attr)
+ function xml_handlers:StartElement(tagname, attr)
if stanza and #chardata > 0 then
+ -- We have some character data in the buffer
stanza:text(t_concat(chardata));
- print("Char data:", t_concat(chardata));
chardata = {};
end
- curr_ns,name = name:match("^(.+):(%w+)$");
- print("Tag received:", name, tostring(curr_ns));
- if not stanza then
+ local curr_ns,name = tagname:match("^(.+)|([%w%-]+)$");
+ if curr_ns ~= "jabber:server" then
+ attr.xmlns = curr_ns;
+ end
+
+ -- FIXME !!!!!
+ for i, k in ipairs(attr) do
+ if type(k) == "string" then
+ local ns, nm = k:match("^([^|]+)|?([^|]-)$")
+ if ns and nm then
+ ns = ns_prefixes[ns];
+ if ns then
+ attr[ns..":"..nm] = attr[k];
+ attr[i] = ns..":"..nm;
+ attr[k] = nil;
+ end
+ end
+ end
+ end
+
+ if not stanza then --if we are not currently inside a stanza
if session.notopen then
- if name == "stream" then
- session.host = attr.to or error("Client failed to specify destination hostname");
- session.version = attr.version or 0;
- session.streamid = m_random(1000000, 99999999);
- print(session, session.host, "Client opened stream");
- send("<?xml version='1.0'?>");
- send(format("<stream:stream xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' id='%s' from='%s' >", session.streamid, session.host));
- --send("<stream:features>");
- --send("<mechanism>PLAIN</mechanism>");
- --send [[<register xmlns="http://jabber.org/features/iq-register"/> ]]
- --send("</stream:features>");
- log("info", "core", "Stream opened successfully");
- session.notopen = nil;
- return;
+ if tagname == stream_tag then
+ if cb_streamopened then
+ cb_streamopened(session, attr);
+ end
+ else
+ -- Garbage before stream?
+ cb_error(session, "no-stream");
end
- error("Client failed to open stream successfully");
+ return;
end
- if name ~= "iq" and name ~= "presence" and name ~= "message" then
- error("Client sent invalid top-level stanza");
+ if curr_ns == "jabber:client" and name ~= "iq" and name ~= "presence" and name ~= "message" then
+ cb_error(session, "invalid-top-level-element");
end
- stanza = st.stanza(name, { to = attr.to, type = attr.type, id = attr.id, xmlns = curr_ns });
+
+ stanza = st.stanza(name, attr);
curr_tag = stanza;
- else
- attr.xmlns = curr_ns;
+ else -- we are inside a stanza, so add a tag
+ attr.xmlns = nil;
+ if curr_ns ~= "jabber:server" and curr_ns ~= "jabber:client" then
+ attr.xmlns = curr_ns;
+ end
stanza:tag(name, attr);
end
end
t_insert(chardata, data);
end
end
- function xml_handlers:EndElement(name)
- curr_ns,name = name:match("^(.+):(%w+)$");
- --print("<"..name.."/>", tostring(stanza), tostring(#stanza.last_add < 1), tostring(stanza.last_add[#stanza.last_add].name));
- if (not stanza) or #stanza.last_add < 0 or (#stanza.last_add > 0 and name ~= stanza.last_add[#stanza.last_add].name) then error("XML parse error in client stream"); end
+ function xml_handlers:EndElement(tagname)
+ curr_ns,name = tagname:match("^(.+)|([%w%-]+)$");
+ if (not stanza) or (#stanza.last_add > 0 and name ~= stanza.last_add[#stanza.last_add].name) then
+ if tagname == stream_tag then
+ if cb_streamclosed then
+ cb_streamclosed(session);
+ end
+ return;
+ elseif name == "error" then
+ cb_error(session, "stream-error", stanza);
+ else
+ cb_error(session, "parse-error", "unexpected-element-close", name);
+ end
+ end
if stanza and #chardata > 0 then
+ -- We have some character data in the buffer
stanza:text(t_concat(chardata));
- print("Char data:", t_concat(chardata));
chardata = {};
end
-- Complete stanza
- print(name, tostring(#stanza.last_add));
if #stanza.last_add == 0 then
- session.stanza_dispatch(stanza);
+ cb_handlestanza(session, stanza);
stanza = nil;
else
stanza:up();
projects / prosody.git / blobdiff