Sun, 24 Aug 2008 18:01:20 +0100
Added all the files to please hg :/
5 | 1 | |
2 | require "util.stanza" | |
3 | ||
4 | local st = stanza; | |
5 | local tostring = tostring; | |
6 | local format = string.format; | |
7 | local m_random = math.random; | |
8 | local t_insert = table.insert; | |
9 | local t_remove = table.remove; | |
10 | local t_concat = table.concat; | |
11 | 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 | |
12 | ||
13 | local error = error; | |
14 | ||
15 | module "xmlhandlers" | |
16 | ||
17 | function init_xmlhandlers(session) | |
18 | local ns_stack = { "" }; | |
19 | local curr_ns = ""; | |
20 | local curr_tag; | |
21 | local chardata = {}; | |
22 | local xml_handlers = {}; | |
23 | local log = session.log; | |
24 | local print = function (...) log("info", "xmlhandlers", t_concatall({...}, "\t")); end | |
25 | ||
26 | local send = session.send; | |
27 | ||
28 | local stanza | |
29 | function xml_handlers:StartElement(name, attr) | |
30 | if stanza and #chardata > 0 then | |
31 | stanza:text(t_concat(chardata)); | |
32 | print("Char data:", t_concat(chardata)); | |
33 | chardata = {}; | |
34 | end | |
35 | curr_ns,name = name:match("^(.+):(%w+)$"); | |
36 | print("Tag received:", name, tostring(curr_ns)); | |
37 | if not stanza then | |
38 | if session.notopen then | |
39 | if name == "stream" then | |
40 | session.host = attr.to or error("Client failed to specify destination hostname"); | |
41 | session.version = attr.version or 0; | |
42 | session.streamid = m_random(1000000, 99999999); | |
43 | print(session, session.host, "Client opened stream"); | |
44 | send("<?xml version='1.0'?>"); | |
45 | send(format("<stream:stream xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' id='%s' from='%s' >", session.streamid, session.host)); | |
46 | --send("<stream:features>"); | |
47 | --send("<mechanism>PLAIN</mechanism>"); | |
48 | --send [[<register xmlns="http://jabber.org/features/iq-register"/> ]] | |
49 | --send("</stream:features>"); | |
50 | log("info", "core", "Stream opened successfully"); | |
51 | session.notopen = nil; | |
52 | return; | |
53 | end | |
54 | error("Client failed to open stream successfully"); | |
55 | end | |
56 | if name ~= "iq" and name ~= "presence" and name ~= "message" then | |
57 | error("Client sent invalid top-level stanza"); | |
58 | end | |
59 | stanza = st.stanza(name, { to = attr.to, type = attr.type, id = attr.id, xmlns = curr_ns }); | |
60 | curr_tag = stanza; | |
61 | else | |
62 | attr.xmlns = curr_ns; | |
63 | stanza:tag(name, attr); | |
64 | end | |
65 | end | |
66 | function xml_handlers:CharacterData(data) | |
67 | if stanza then | |
68 | t_insert(chardata, data); | |
69 | end | |
70 | end | |
71 | function xml_handlers:EndElement(name) | |
72 | curr_ns,name = name:match("^(.+):(%w+)$"); | |
73 | --print("<"..name.."/>", tostring(stanza), tostring(#stanza.last_add < 1), tostring(stanza.last_add[#stanza.last_add].name)); | |
74 | 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 | |
75 | if stanza and #chardata > 0 then | |
76 | stanza:text(t_concat(chardata)); | |
77 | print("Char data:", t_concat(chardata)); | |
78 | chardata = {}; | |
79 | end | |
80 | -- Complete stanza | |
81 | print(name, tostring(#stanza.last_add)); | |
82 | if #stanza.last_add == 0 then | |
83 | session.stanza_dispatch(stanza); | |
84 | stanza = nil; | |
85 | else | |
86 | stanza:up(); | |
87 | end | |
88 | end | |
89 | return xml_handlers; | |
90 | end | |
91 | ||
92 | return init_xmlhandlers; |