prosody
0317b01b6bcd
util/xmppstream.lua

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util/xmppstream.lua @ 4428:0317b01b6bcd

Merge with Florob
author Matthew Wild <mwild1@gmail.com>
date Sat, 26 Nov 2011 03:50:51 +0000
parent 4426:ee65aa40ef60
child 4482:722cf2680028
comparison
equal deleted inserted replaced
4423:ded726418b16 4428:0317b01b6bcd
9 9
10 local lxp = require "lxp"; 10 local lxp = require "lxp";
11 local st = require "util.stanza"; 11 local st = require "util.stanza";
12 local stanza_mt = st.stanza_mt; 12 local stanza_mt = st.stanza_mt;
13 13
14 local error = error;
14 local tostring = tostring; 15 local tostring = tostring;
15 local t_insert = table.insert; 16 local t_insert = table.insert;
16 local t_concat = table.concat; 17 local t_concat = table.concat;
17 local t_remove = table.remove; 18 local t_remove = table.remove;
18 local setmetatable = setmetatable; 19 local setmetatable = setmetatable;
19 20
20 local default_log = require "util.logger".init("xmppstream");
21
22 -- COMPAT: w/LuaExpat 1.1.0 21 -- COMPAT: w/LuaExpat 1.1.0
23 local lxp_supports_doctype = pcall(lxp.new, { StartDoctypeDecl = false }); 22 local lxp_supports_doctype = pcall(lxp.new, { StartDoctypeDecl = false });
24
25 if not lxp_supports_doctype then
26 default_log("warn", "The version of LuaExpat on your system leaves Prosody "
27 .."vulnerable to denial-of-service attacks. You should upgrade to "
28 .."LuaExpat 1.1.1 or higher as soon as possible. See "
29 .."http://prosody.im/doc/depends#luaexpat for more information.");
30 end
31
32 local error = error;
33 23
34 module "xmppstream" 24 module "xmppstream"
35 25
36 local new_parser = lxp.new; 26 local new_parser = lxp.new;
37 27
47 _M.ns_separator = ns_separator; 37 _M.ns_separator = ns_separator;
48 _M.ns_pattern = ns_pattern; 38 _M.ns_pattern = ns_pattern;
49 39
50 function new_sax_handlers(session, stream_callbacks) 40 function new_sax_handlers(session, stream_callbacks)
51 local xml_handlers = {}; 41 local xml_handlers = {};
52
53 local log = session.log or default_log;
54 42
55 local cb_streamopened = stream_callbacks.streamopened; 43 local cb_streamopened = stream_callbacks.streamopened;
56 local cb_streamclosed = stream_callbacks.streamclosed; 44 local cb_streamclosed = stream_callbacks.streamclosed;
57 local cb_error = stream_callbacks.error or function(session, e) error("XML stream error: "..tostring(e)); end; 45 local cb_error = stream_callbacks.error or function(session, e) error("XML stream error: "..tostring(e)); end;
58 local cb_handlestanza = stream_callbacks.handlestanza; 46 local cb_handlestanza = stream_callbacks.handlestanza;
186 stack = {}; 174 stack = {};
187 end 175 end
188 176
189 local function set_session(stream, new_session) 177 local function set_session(stream, new_session)
190 session = new_session; 178 session = new_session;
191 log = new_session.log or default_log;
192 end 179 end
193 180
194 return xml_handlers, { reset = reset, set_session = set_session }; 181 return xml_handlers, { reset = reset, set_session = set_session };
195 end 182 end
196 183