Software /
code /
prosody
Annotate
util/xmppstream.lua @ 4279:9808e2b32aa5
Merge 0.8->trunk
author | Matthew Wild <mwild1@gmail.com> |
---|---|
date | Thu, 02 Jun 2011 00:05:33 +0100 |
parent | 4274:7cc426988bcc |
parent | 4278:67ce42aa7419 |
child | 4283:ffaaa3fd3189 |
rev | line source |
---|---|
1523
841d61be198f
Remove version number from copyright headers
Matthew Wild <mwild1@gmail.com>
parents:
1414
diff
changeset
|
1 -- Prosody IM |
2923
b7049746bd29
Update copyright headers for 2010
Matthew Wild <mwild1@gmail.com>
parents:
2261
diff
changeset
|
2 -- Copyright (C) 2008-2010 Matthew Wild |
b7049746bd29
Update copyright headers for 2010
Matthew Wild <mwild1@gmail.com>
parents:
2261
diff
changeset
|
3 -- Copyright (C) 2008-2010 Waqas Hussain |
519
cccd610a0ef9
Insert copyright/license headers
Matthew Wild <mwild1@gmail.com>
parents:
355
diff
changeset
|
4 -- |
758 | 5 -- This project is MIT/X11 licensed. Please see the |
6 -- COPYING file in the source package for more information. | |
519
cccd610a0ef9
Insert copyright/license headers
Matthew Wild <mwild1@gmail.com>
parents:
355
diff
changeset
|
7 -- |
cccd610a0ef9
Insert copyright/license headers
Matthew Wild <mwild1@gmail.com>
parents:
355
diff
changeset
|
8 |
cccd610a0ef9
Insert copyright/license headers
Matthew Wild <mwild1@gmail.com>
parents:
355
diff
changeset
|
9 |
2921
f0ddfd7739ea
util.xmppstream: new() now returns a parser object
Matthew Wild <mwild1@gmail.com>
parents:
2920
diff
changeset
|
10 local lxp = require "lxp"; |
f0ddfd7739ea
util.xmppstream: new() now returns a parser object
Matthew Wild <mwild1@gmail.com>
parents:
2920
diff
changeset
|
11 local st = require "util.stanza"; |
3987
8fbf57722368
util.xmppstream: Optimized stanza building by bypassing the stanza API.
Waqas Hussain <waqas20@gmail.com>
parents:
3927
diff
changeset
|
12 local stanza_mt = st.stanza_mt; |
1
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
diff
changeset
|
13 |
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
diff
changeset
|
14 local tostring = tostring; |
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
diff
changeset
|
15 local t_insert = table.insert; |
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
diff
changeset
|
16 local t_concat = table.concat; |
3987
8fbf57722368
util.xmppstream: Optimized stanza building by bypassing the stanza API.
Waqas Hussain <waqas20@gmail.com>
parents:
3927
diff
changeset
|
17 local t_remove = table.remove; |
8fbf57722368
util.xmppstream: Optimized stanza building by bypassing the stanza API.
Waqas Hussain <waqas20@gmail.com>
parents:
3927
diff
changeset
|
18 local setmetatable = setmetatable; |
1
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
diff
changeset
|
19 |
3696
a96f275c42b5
util.xmppstream: Fix logger name.
Waqas Hussain <waqas20@gmail.com>
parents:
3638
diff
changeset
|
20 local default_log = require "util.logger".init("xmppstream"); |
145 | 21 |
4275
5305a665bdd4
util.xmppstream: Reject XML comments, processing instructions and (if supported by LuaExpat) DTDs. If not supported, log a warning.
Matthew Wild <mwild1@gmail.com>
parents:
3927
diff
changeset
|
22 -- COMPAT: w/LuaExpat 1.1.0 |
5305a665bdd4
util.xmppstream: Reject XML comments, processing instructions and (if supported by LuaExpat) DTDs. If not supported, log a warning.
Matthew Wild <mwild1@gmail.com>
parents:
3927
diff
changeset
|
23 local lxp_supports_doctype = pcall(lxp.new, { StartDoctypeDecl = false }); |
5305a665bdd4
util.xmppstream: Reject XML comments, processing instructions and (if supported by LuaExpat) DTDs. If not supported, log a warning.
Matthew Wild <mwild1@gmail.com>
parents:
3927
diff
changeset
|
24 |
5305a665bdd4
util.xmppstream: Reject XML comments, processing instructions and (if supported by LuaExpat) DTDs. If not supported, log a warning.
Matthew Wild <mwild1@gmail.com>
parents:
3927
diff
changeset
|
25 if not lxp_supports_doctype then |
5305a665bdd4
util.xmppstream: Reject XML comments, processing instructions and (if supported by LuaExpat) DTDs. If not supported, log a warning.
Matthew Wild <mwild1@gmail.com>
parents:
3927
diff
changeset
|
26 default_log("warn", "The version of LuaExpat on your system leaves Prosody " |
5305a665bdd4
util.xmppstream: Reject XML comments, processing instructions and (if supported by LuaExpat) DTDs. If not supported, log a warning.
Matthew Wild <mwild1@gmail.com>
parents:
3927
diff
changeset
|
27 .."vulnerable to denial-of-service attacks. You should upgrade to " |
5305a665bdd4
util.xmppstream: Reject XML comments, processing instructions and (if supported by LuaExpat) DTDs. If not supported, log a warning.
Matthew Wild <mwild1@gmail.com>
parents:
3927
diff
changeset
|
28 .."LuaExpat 1.1.1 or higher as soon as possible. See " |
5305a665bdd4
util.xmppstream: Reject XML comments, processing instructions and (if supported by LuaExpat) DTDs. If not supported, log a warning.
Matthew Wild <mwild1@gmail.com>
parents:
3927
diff
changeset
|
29 .."http://prosody.im/doc/depends#luaexpat for more information."); |
5305a665bdd4
util.xmppstream: Reject XML comments, processing instructions and (if supported by LuaExpat) DTDs. If not supported, log a warning.
Matthew Wild <mwild1@gmail.com>
parents:
3927
diff
changeset
|
30 end |
5305a665bdd4
util.xmppstream: Reject XML comments, processing instructions and (if supported by LuaExpat) DTDs. If not supported, log a warning.
Matthew Wild <mwild1@gmail.com>
parents:
3927
diff
changeset
|
31 |
1
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
diff
changeset
|
32 local error = error; |
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
diff
changeset
|
33 |
2920
f3335285b20d
util.xmppstream: Initial commit
Matthew Wild <mwild1@gmail.com>
parents:
2506
diff
changeset
|
34 module "xmppstream" |
1
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
diff
changeset
|
35 |
2921
f0ddfd7739ea
util.xmppstream: new() now returns a parser object
Matthew Wild <mwild1@gmail.com>
parents:
2920
diff
changeset
|
36 local new_parser = lxp.new; |
f0ddfd7739ea
util.xmppstream: new() now returns a parser object
Matthew Wild <mwild1@gmail.com>
parents:
2920
diff
changeset
|
37 |
148 | 38 local ns_prefixes = { |
2492
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
39 ["http://www.w3.org/XML/1998/namespace"] = "xml"; |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
40 }; |
2464
0b5f0ae7a6b1
xmlhandlers: More refactoring, split up stream_ns and stream_tag, add stream_error_tag so that callers don't need to be so worried about the separator we use
Matthew Wild <mwild1@gmail.com>
parents:
2463
diff
changeset
|
41 |
0b5f0ae7a6b1
xmlhandlers: More refactoring, split up stream_ns and stream_tag, add stream_error_tag so that callers don't need to be so worried about the separator we use
Matthew Wild <mwild1@gmail.com>
parents:
2463
diff
changeset
|
42 local xmlns_streams = "http://etherx.jabber.org/streams"; |
0b5f0ae7a6b1
xmlhandlers: More refactoring, split up stream_ns and stream_tag, add stream_error_tag so that callers don't need to be so worried about the separator we use
Matthew Wild <mwild1@gmail.com>
parents:
2463
diff
changeset
|
43 |
2463
d9ff0190eb4a
xmlhandlers: Define ns_separator and ns_pattern to save repeating it in literal form throughout the file
Matthew Wild <mwild1@gmail.com>
parents:
2261
diff
changeset
|
44 local ns_separator = "\1"; |
d9ff0190eb4a
xmlhandlers: Define ns_separator and ns_pattern to save repeating it in literal form throughout the file
Matthew Wild <mwild1@gmail.com>
parents:
2261
diff
changeset
|
45 local ns_pattern = "^([^"..ns_separator.."]*)"..ns_separator.."?(.*)$"; |
148 | 46 |
3708
2dcb86c7cee7
util.xmppstream: Expose ns_separator and ns_pattern
Matthew Wild <mwild1@gmail.com>
parents:
3696
diff
changeset
|
47 _M.ns_separator = ns_separator; |
2dcb86c7cee7
util.xmppstream: Expose ns_separator and ns_pattern
Matthew Wild <mwild1@gmail.com>
parents:
3696
diff
changeset
|
48 _M.ns_pattern = ns_pattern; |
2dcb86c7cee7
util.xmppstream: Expose ns_separator and ns_pattern
Matthew Wild <mwild1@gmail.com>
parents:
3696
diff
changeset
|
49 |
2921
f0ddfd7739ea
util.xmppstream: new() now returns a parser object
Matthew Wild <mwild1@gmail.com>
parents:
2920
diff
changeset
|
50 function new_sax_handlers(session, stream_callbacks) |
2492
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
51 local xml_handlers = {}; |
3032
38459cffaf67
util.xmppstream: Stream objects now just have feed/reset methods
Matthew Wild <mwild1@gmail.com>
parents:
2926
diff
changeset
|
52 |
2492
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
53 local log = session.log or default_log; |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
54 |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
55 local cb_streamopened = stream_callbacks.streamopened; |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
56 local cb_streamclosed = stream_callbacks.streamclosed; |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
57 local cb_error = stream_callbacks.error or function(session, e) error("XML stream error: "..tostring(e)); end; |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
58 local cb_handlestanza = stream_callbacks.handlestanza; |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
59 |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
60 local stream_ns = stream_callbacks.stream_ns or xmlns_streams; |
3927
1b57e83266f0
util.xmppstream: Allow stream_ns = "" for parsing streams with no xmlns
Matthew Wild <mwild1@gmail.com>
parents:
3708
diff
changeset
|
61 local stream_tag = stream_callbacks.stream_tag or "stream"; |
1b57e83266f0
util.xmppstream: Allow stream_ns = "" for parsing streams with no xmlns
Matthew Wild <mwild1@gmail.com>
parents:
3708
diff
changeset
|
62 if stream_ns ~= "" then |
1b57e83266f0
util.xmppstream: Allow stream_ns = "" for parsing streams with no xmlns
Matthew Wild <mwild1@gmail.com>
parents:
3708
diff
changeset
|
63 stream_tag = stream_ns..ns_separator..stream_tag; |
1b57e83266f0
util.xmppstream: Allow stream_ns = "" for parsing streams with no xmlns
Matthew Wild <mwild1@gmail.com>
parents:
3708
diff
changeset
|
64 end |
2492
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
65 local stream_error_tag = stream_ns..ns_separator..(stream_callbacks.error_tag or "error"); |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
66 |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
67 local stream_default_ns = stream_callbacks.default_ns; |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
68 |
3987
8fbf57722368
util.xmppstream: Optimized stanza building by bypassing the stanza API.
Waqas Hussain <waqas20@gmail.com>
parents:
3927
diff
changeset
|
69 local stack = {}; |
3032
38459cffaf67
util.xmppstream: Stream objects now just have feed/reset methods
Matthew Wild <mwild1@gmail.com>
parents:
2926
diff
changeset
|
70 local chardata, stanza = {}; |
3633
4069c37c54bc
util.xmppstream: Preserve the stream content namespace on descendents of elements which are in another namespace.
Waqas Hussain <waqas20@gmail.com>
parents:
3540
diff
changeset
|
71 local non_streamns_depth = 0; |
2492
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
72 function xml_handlers:StartElement(tagname, attr) |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
73 if stanza and #chardata > 0 then |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
74 -- We have some character data in the buffer |
3987
8fbf57722368
util.xmppstream: Optimized stanza building by bypassing the stanza API.
Waqas Hussain <waqas20@gmail.com>
parents:
3927
diff
changeset
|
75 t_insert(stanza, t_concat(chardata)); |
2492
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
76 chardata = {}; |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
77 end |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
78 local curr_ns,name = tagname:match(ns_pattern); |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
79 if name == "" then |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
80 curr_ns, name = "", curr_ns; |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
81 end |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
82 |
3633
4069c37c54bc
util.xmppstream: Preserve the stream content namespace on descendents of elements which are in another namespace.
Waqas Hussain <waqas20@gmail.com>
parents:
3540
diff
changeset
|
83 if curr_ns ~= stream_default_ns or non_streamns_depth > 0 then |
2492
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
84 attr.xmlns = curr_ns; |
3633
4069c37c54bc
util.xmppstream: Preserve the stream content namespace on descendents of elements which are in another namespace.
Waqas Hussain <waqas20@gmail.com>
parents:
3540
diff
changeset
|
85 non_streamns_depth = non_streamns_depth + 1; |
2492
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
86 end |
2464
0b5f0ae7a6b1
xmlhandlers: More refactoring, split up stream_ns and stream_tag, add stream_error_tag so that callers don't need to be so worried about the separator we use
Matthew Wild <mwild1@gmail.com>
parents:
2463
diff
changeset
|
87 |
2492
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
88 -- FIXME !!!!! |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
89 for i=1,#attr do |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
90 local k = attr[i]; |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
91 attr[i] = nil; |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
92 local ns, nm = k:match(ns_pattern); |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
93 if nm ~= "" then |
3540
bc139431830b
Monster whitespace commit (beware the whitespace monster).
Waqas Hussain <waqas20@gmail.com>
parents:
3444
diff
changeset
|
94 ns = ns_prefixes[ns]; |
bc139431830b
Monster whitespace commit (beware the whitespace monster).
Waqas Hussain <waqas20@gmail.com>
parents:
3444
diff
changeset
|
95 if ns then |
2492
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
96 attr[ns..":"..nm] = attr[k]; |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
97 attr[k] = nil; |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
98 end |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
99 end |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
100 end |
557
c9b3ffb08fe3
Disconnect with stream errors on bad XML, or invalid stream namespace
Matthew Wild <mwild1@gmail.com>
parents:
545
diff
changeset
|
101 |
2492
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
102 if not stanza then --if we are not currently inside a stanza |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
103 if session.notopen then |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
104 if tagname == stream_tag then |
3633
4069c37c54bc
util.xmppstream: Preserve the stream content namespace on descendents of elements which are in another namespace.
Waqas Hussain <waqas20@gmail.com>
parents:
3540
diff
changeset
|
105 non_streamns_depth = 0; |
2492
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
106 if cb_streamopened then |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
107 cb_streamopened(session, attr); |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
108 end |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
109 else |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
110 -- Garbage before stream? |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
111 cb_error(session, "no-stream"); |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
112 end |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
113 return; |
1
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
diff
changeset
|
114 end |
2492
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
115 if curr_ns == "jabber:client" and name ~= "iq" and name ~= "presence" and name ~= "message" then |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
116 cb_error(session, "invalid-top-level-element"); |
1051
0327c569eb1a
xmlhandlers: Fix tag pattern again for the default namespace
Matthew Wild <mwild1@gmail.com>
parents:
1003
diff
changeset
|
117 end |
2492
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
118 |
3987
8fbf57722368
util.xmppstream: Optimized stanza building by bypassing the stanza API.
Waqas Hussain <waqas20@gmail.com>
parents:
3927
diff
changeset
|
119 stanza = setmetatable({ name = name, attr = attr, tags = {} }, stanza_mt); |
2492
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
120 else -- we are inside a stanza, so add a tag |
3987
8fbf57722368
util.xmppstream: Optimized stanza building by bypassing the stanza API.
Waqas Hussain <waqas20@gmail.com>
parents:
3927
diff
changeset
|
121 t_insert(stack, stanza); |
8fbf57722368
util.xmppstream: Optimized stanza building by bypassing the stanza API.
Waqas Hussain <waqas20@gmail.com>
parents:
3927
diff
changeset
|
122 local oldstanza = stanza; |
8fbf57722368
util.xmppstream: Optimized stanza building by bypassing the stanza API.
Waqas Hussain <waqas20@gmail.com>
parents:
3927
diff
changeset
|
123 stanza = setmetatable({ name = name, attr = attr, tags = {} }, stanza_mt); |
8fbf57722368
util.xmppstream: Optimized stanza building by bypassing the stanza API.
Waqas Hussain <waqas20@gmail.com>
parents:
3927
diff
changeset
|
124 t_insert(oldstanza, stanza); |
8fbf57722368
util.xmppstream: Optimized stanza building by bypassing the stanza API.
Waqas Hussain <waqas20@gmail.com>
parents:
3927
diff
changeset
|
125 t_insert(oldstanza.tags, stanza); |
2492
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
126 end |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
127 end |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
128 function xml_handlers:CharacterData(data) |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
129 if stanza then |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
130 t_insert(chardata, data); |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
131 end |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
132 end |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
133 function xml_handlers:EndElement(tagname) |
3633
4069c37c54bc
util.xmppstream: Preserve the stream content namespace on descendents of elements which are in another namespace.
Waqas Hussain <waqas20@gmail.com>
parents:
3540
diff
changeset
|
134 if non_streamns_depth > 0 then |
4069c37c54bc
util.xmppstream: Preserve the stream content namespace on descendents of elements which are in another namespace.
Waqas Hussain <waqas20@gmail.com>
parents:
3540
diff
changeset
|
135 non_streamns_depth = non_streamns_depth - 1; |
4069c37c54bc
util.xmppstream: Preserve the stream content namespace on descendents of elements which are in another namespace.
Waqas Hussain <waqas20@gmail.com>
parents:
3540
diff
changeset
|
136 end |
2493
ec09d16a51e1
xmlhandlers: Rearranged a little code.
Waqas Hussain <waqas20@gmail.com>
parents:
2492
diff
changeset
|
137 if stanza then |
ec09d16a51e1
xmlhandlers: Rearranged a little code.
Waqas Hussain <waqas20@gmail.com>
parents:
2492
diff
changeset
|
138 if #chardata > 0 then |
ec09d16a51e1
xmlhandlers: Rearranged a little code.
Waqas Hussain <waqas20@gmail.com>
parents:
2492
diff
changeset
|
139 -- We have some character data in the buffer |
3987
8fbf57722368
util.xmppstream: Optimized stanza building by bypassing the stanza API.
Waqas Hussain <waqas20@gmail.com>
parents:
3927
diff
changeset
|
140 t_insert(stanza, t_concat(chardata)); |
2493
ec09d16a51e1
xmlhandlers: Rearranged a little code.
Waqas Hussain <waqas20@gmail.com>
parents:
2492
diff
changeset
|
141 chardata = {}; |
ec09d16a51e1
xmlhandlers: Rearranged a little code.
Waqas Hussain <waqas20@gmail.com>
parents:
2492
diff
changeset
|
142 end |
ec09d16a51e1
xmlhandlers: Rearranged a little code.
Waqas Hussain <waqas20@gmail.com>
parents:
2492
diff
changeset
|
143 -- Complete stanza |
3987
8fbf57722368
util.xmppstream: Optimized stanza building by bypassing the stanza API.
Waqas Hussain <waqas20@gmail.com>
parents:
3927
diff
changeset
|
144 if #stack == 0 then |
2493
ec09d16a51e1
xmlhandlers: Rearranged a little code.
Waqas Hussain <waqas20@gmail.com>
parents:
2492
diff
changeset
|
145 if tagname ~= stream_error_tag then |
ec09d16a51e1
xmlhandlers: Rearranged a little code.
Waqas Hussain <waqas20@gmail.com>
parents:
2492
diff
changeset
|
146 cb_handlestanza(session, stanza); |
ec09d16a51e1
xmlhandlers: Rearranged a little code.
Waqas Hussain <waqas20@gmail.com>
parents:
2492
diff
changeset
|
147 else |
ec09d16a51e1
xmlhandlers: Rearranged a little code.
Waqas Hussain <waqas20@gmail.com>
parents:
2492
diff
changeset
|
148 cb_error(session, "stream-error", stanza); |
ec09d16a51e1
xmlhandlers: Rearranged a little code.
Waqas Hussain <waqas20@gmail.com>
parents:
2492
diff
changeset
|
149 end |
ec09d16a51e1
xmlhandlers: Rearranged a little code.
Waqas Hussain <waqas20@gmail.com>
parents:
2492
diff
changeset
|
150 stanza = nil; |
ec09d16a51e1
xmlhandlers: Rearranged a little code.
Waqas Hussain <waqas20@gmail.com>
parents:
2492
diff
changeset
|
151 else |
3987
8fbf57722368
util.xmppstream: Optimized stanza building by bypassing the stanza API.
Waqas Hussain <waqas20@gmail.com>
parents:
3927
diff
changeset
|
152 stanza = t_remove(stack); |
2493
ec09d16a51e1
xmlhandlers: Rearranged a little code.
Waqas Hussain <waqas20@gmail.com>
parents:
2492
diff
changeset
|
153 end |
ec09d16a51e1
xmlhandlers: Rearranged a little code.
Waqas Hussain <waqas20@gmail.com>
parents:
2492
diff
changeset
|
154 else |
2492
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
155 if tagname == stream_tag then |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
156 if cb_streamclosed then |
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
157 cb_streamclosed(session); |
148 | 158 end |
2492
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
159 else |
2505
0849e349992d
xmlhandlers: A little optimization.
Waqas Hussain <waqas20@gmail.com>
parents:
2493
diff
changeset
|
160 local curr_ns,name = tagname:match(ns_pattern); |
0849e349992d
xmlhandlers: A little optimization.
Waqas Hussain <waqas20@gmail.com>
parents:
2493
diff
changeset
|
161 if name == "" then |
0849e349992d
xmlhandlers: A little optimization.
Waqas Hussain <waqas20@gmail.com>
parents:
2493
diff
changeset
|
162 curr_ns, name = "", curr_ns; |
0849e349992d
xmlhandlers: A little optimization.
Waqas Hussain <waqas20@gmail.com>
parents:
2493
diff
changeset
|
163 end |
2492
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
164 cb_error(session, "parse-error", "unexpected-element-close", name); |
1
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
diff
changeset
|
165 end |
2492
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
166 stanza, chardata = nil, {}; |
3987
8fbf57722368
util.xmppstream: Optimized stanza building by bypassing the stanza API.
Waqas Hussain <waqas20@gmail.com>
parents:
3927
diff
changeset
|
167 stack = {}; |
1
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
diff
changeset
|
168 end |
2492
b5e2d1919ec3
xmlhandlers: Fixed indentation and added some semicolons.
Waqas Hussain <waqas20@gmail.com>
parents:
2468
diff
changeset
|
169 end |
3032
38459cffaf67
util.xmppstream: Stream objects now just have feed/reset methods
Matthew Wild <mwild1@gmail.com>
parents:
2926
diff
changeset
|
170 |
4275
5305a665bdd4
util.xmppstream: Reject XML comments, processing instructions and (if supported by LuaExpat) DTDs. If not supported, log a warning.
Matthew Wild <mwild1@gmail.com>
parents:
3927
diff
changeset
|
171 local function restricted_handler() |
5305a665bdd4
util.xmppstream: Reject XML comments, processing instructions and (if supported by LuaExpat) DTDs. If not supported, log a warning.
Matthew Wild <mwild1@gmail.com>
parents:
3927
diff
changeset
|
172 cb_error(session, "parse-error", "restricted-xml", "Restricted XML, see RFC 6120 section 11.1."); |
5305a665bdd4
util.xmppstream: Reject XML comments, processing instructions and (if supported by LuaExpat) DTDs. If not supported, log a warning.
Matthew Wild <mwild1@gmail.com>
parents:
3927
diff
changeset
|
173 end |
5305a665bdd4
util.xmppstream: Reject XML comments, processing instructions and (if supported by LuaExpat) DTDs. If not supported, log a warning.
Matthew Wild <mwild1@gmail.com>
parents:
3927
diff
changeset
|
174 |
5305a665bdd4
util.xmppstream: Reject XML comments, processing instructions and (if supported by LuaExpat) DTDs. If not supported, log a warning.
Matthew Wild <mwild1@gmail.com>
parents:
3927
diff
changeset
|
175 if lxp_supports_doctype then |
5305a665bdd4
util.xmppstream: Reject XML comments, processing instructions and (if supported by LuaExpat) DTDs. If not supported, log a warning.
Matthew Wild <mwild1@gmail.com>
parents:
3927
diff
changeset
|
176 xml_handlers.StartDoctypeDecl = restricted_handler; |
5305a665bdd4
util.xmppstream: Reject XML comments, processing instructions and (if supported by LuaExpat) DTDs. If not supported, log a warning.
Matthew Wild <mwild1@gmail.com>
parents:
3927
diff
changeset
|
177 end |
5305a665bdd4
util.xmppstream: Reject XML comments, processing instructions and (if supported by LuaExpat) DTDs. If not supported, log a warning.
Matthew Wild <mwild1@gmail.com>
parents:
3927
diff
changeset
|
178 xml_handlers.Comment = restricted_handler; |
5305a665bdd4
util.xmppstream: Reject XML comments, processing instructions and (if supported by LuaExpat) DTDs. If not supported, log a warning.
Matthew Wild <mwild1@gmail.com>
parents:
3927
diff
changeset
|
179 xml_handlers.StartCdataSection = restricted_handler; |
5305a665bdd4
util.xmppstream: Reject XML comments, processing instructions and (if supported by LuaExpat) DTDs. If not supported, log a warning.
Matthew Wild <mwild1@gmail.com>
parents:
3927
diff
changeset
|
180 xml_handlers.ProcessingInstruction = restricted_handler; |
5305a665bdd4
util.xmppstream: Reject XML comments, processing instructions and (if supported by LuaExpat) DTDs. If not supported, log a warning.
Matthew Wild <mwild1@gmail.com>
parents:
3927
diff
changeset
|
181 |
3032
38459cffaf67
util.xmppstream: Stream objects now just have feed/reset methods
Matthew Wild <mwild1@gmail.com>
parents:
2926
diff
changeset
|
182 local function reset() |
38459cffaf67
util.xmppstream: Stream objects now just have feed/reset methods
Matthew Wild <mwild1@gmail.com>
parents:
2926
diff
changeset
|
183 stanza, chardata = nil, {}; |
3987
8fbf57722368
util.xmppstream: Optimized stanza building by bypassing the stanza API.
Waqas Hussain <waqas20@gmail.com>
parents:
3927
diff
changeset
|
184 stack = {}; |
3032
38459cffaf67
util.xmppstream: Stream objects now just have feed/reset methods
Matthew Wild <mwild1@gmail.com>
parents:
2926
diff
changeset
|
185 end |
38459cffaf67
util.xmppstream: Stream objects now just have feed/reset methods
Matthew Wild <mwild1@gmail.com>
parents:
2926
diff
changeset
|
186 |
3424
9e0df614e5d0
util.xmppstream: Add set_session() method to change the session that a stream is associated with
Matthew Wild <mwild1@gmail.com>
parents:
3032
diff
changeset
|
187 local function set_session(stream, new_session) |
9e0df614e5d0
util.xmppstream: Add set_session() method to change the session that a stream is associated with
Matthew Wild <mwild1@gmail.com>
parents:
3032
diff
changeset
|
188 session = new_session; |
9e0df614e5d0
util.xmppstream: Add set_session() method to change the session that a stream is associated with
Matthew Wild <mwild1@gmail.com>
parents:
3032
diff
changeset
|
189 log = new_session.log or default_log; |
9e0df614e5d0
util.xmppstream: Add set_session() method to change the session that a stream is associated with
Matthew Wild <mwild1@gmail.com>
parents:
3032
diff
changeset
|
190 end |
9e0df614e5d0
util.xmppstream: Add set_session() method to change the session that a stream is associated with
Matthew Wild <mwild1@gmail.com>
parents:
3032
diff
changeset
|
191 |
9e0df614e5d0
util.xmppstream: Add set_session() method to change the session that a stream is associated with
Matthew Wild <mwild1@gmail.com>
parents:
3032
diff
changeset
|
192 return xml_handlers, { reset = reset, set_session = set_session }; |
1
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
diff
changeset
|
193 end |
b8787e859fd2
Switched to new connection framework, courtesy of the luadch project
matthew
parents:
diff
changeset
|
194 |
2921
f0ddfd7739ea
util.xmppstream: new() now returns a parser object
Matthew Wild <mwild1@gmail.com>
parents:
2920
diff
changeset
|
195 function new(session, stream_callbacks) |
3032
38459cffaf67
util.xmppstream: Stream objects now just have feed/reset methods
Matthew Wild <mwild1@gmail.com>
parents:
2926
diff
changeset
|
196 local handlers, meta = new_sax_handlers(session, stream_callbacks); |
38459cffaf67
util.xmppstream: Stream objects now just have feed/reset methods
Matthew Wild <mwild1@gmail.com>
parents:
2926
diff
changeset
|
197 local parser = new_parser(handlers, ns_separator); |
38459cffaf67
util.xmppstream: Stream objects now just have feed/reset methods
Matthew Wild <mwild1@gmail.com>
parents:
2926
diff
changeset
|
198 local parse = parser.parse; |
38459cffaf67
util.xmppstream: Stream objects now just have feed/reset methods
Matthew Wild <mwild1@gmail.com>
parents:
2926
diff
changeset
|
199 |
38459cffaf67
util.xmppstream: Stream objects now just have feed/reset methods
Matthew Wild <mwild1@gmail.com>
parents:
2926
diff
changeset
|
200 return { |
38459cffaf67
util.xmppstream: Stream objects now just have feed/reset methods
Matthew Wild <mwild1@gmail.com>
parents:
2926
diff
changeset
|
201 reset = function () |
38459cffaf67
util.xmppstream: Stream objects now just have feed/reset methods
Matthew Wild <mwild1@gmail.com>
parents:
2926
diff
changeset
|
202 parser = new_parser(handlers, ns_separator); |
38459cffaf67
util.xmppstream: Stream objects now just have feed/reset methods
Matthew Wild <mwild1@gmail.com>
parents:
2926
diff
changeset
|
203 parse = parser.parse; |
38459cffaf67
util.xmppstream: Stream objects now just have feed/reset methods
Matthew Wild <mwild1@gmail.com>
parents:
2926
diff
changeset
|
204 meta.reset(); |
38459cffaf67
util.xmppstream: Stream objects now just have feed/reset methods
Matthew Wild <mwild1@gmail.com>
parents:
2926
diff
changeset
|
205 end, |
38459cffaf67
util.xmppstream: Stream objects now just have feed/reset methods
Matthew Wild <mwild1@gmail.com>
parents:
2926
diff
changeset
|
206 feed = function (self, data) |
38459cffaf67
util.xmppstream: Stream objects now just have feed/reset methods
Matthew Wild <mwild1@gmail.com>
parents:
2926
diff
changeset
|
207 return parse(parser, data); |
3424
9e0df614e5d0
util.xmppstream: Add set_session() method to change the session that a stream is associated with
Matthew Wild <mwild1@gmail.com>
parents:
3032
diff
changeset
|
208 end, |
9e0df614e5d0
util.xmppstream: Add set_session() method to change the session that a stream is associated with
Matthew Wild <mwild1@gmail.com>
parents:
3032
diff
changeset
|
209 set_session = meta.set_session; |
3032
38459cffaf67
util.xmppstream: Stream objects now just have feed/reset methods
Matthew Wild <mwild1@gmail.com>
parents:
2926
diff
changeset
|
210 }; |
2921
f0ddfd7739ea
util.xmppstream: new() now returns a parser object
Matthew Wild <mwild1@gmail.com>
parents:
2920
diff
changeset
|
211 end |
f0ddfd7739ea
util.xmppstream: new() now returns a parser object
Matthew Wild <mwild1@gmail.com>
parents:
2920
diff
changeset
|
212 |
2920
f3335285b20d
util.xmppstream: Initial commit
Matthew Wild <mwild1@gmail.com>
parents:
2506
diff
changeset
|
213 return _M; |