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core/xmlhandlers.lua @ 24:78746f3c9115
Removed ~ files
author | bt@silverblade |
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date | Wed, 17 Sep 2008 23:26:48 +0300 |
parent | 20:6885fd2cf51f |
child | 31:aaccbf07849b |
rev | line source |
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1
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1 |
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2 require "util.stanza" |
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3 |
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4 local st = stanza; |
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5 local tostring = tostring; |
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6 local format = string.format; |
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7 local m_random = math.random; |
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8 local t_insert = table.insert; |
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9 local t_remove = table.remove; |
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10 local t_concat = table.concat; |
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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 |
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12 |
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13 local error = error; |
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14 |
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15 module "xmlhandlers" |
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16 |
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17 function init_xmlhandlers(session) |
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18 local ns_stack = { "" }; |
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19 local curr_ns = ""; |
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20 local curr_tag; |
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21 local chardata = {}; |
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22 local xml_handlers = {}; |
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23 local log = session.log; |
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24 local print = function (...) log("info", "xmlhandlers", t_concatall({...}, "\t")); end |
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25 |
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26 local send = session.send; |
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27 |
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28 local stanza |
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29 function xml_handlers:StartElement(name, attr) |
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30 if stanza and #chardata > 0 then |
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31 stanza:text(t_concat(chardata)); |
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32 print("Char data:", t_concat(chardata)); |
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33 chardata = {}; |
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34 end |
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35 curr_ns,name = name:match("^(.+):(%w+)$"); |
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36 print("Tag received:", name, tostring(curr_ns)); |
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37 if not stanza then |
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38 if session.notopen then |
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39 if name == "stream" then |
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40 session.host = attr.to or error("Client failed to specify destination hostname"); |
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41 session.version = attr.version or 0; |
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42 session.streamid = m_random(1000000, 99999999); |
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43 print(session, session.host, "Client opened stream"); |
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44 send("<?xml version='1.0'?>"); |
20
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45 send(format("<stream:stream xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' id='%s' from='%s'>", session.streamid, session.host)); |
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46 --send("<stream:features>"); |
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47 --send("<mechanism>PLAIN</mechanism>"); |
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48 --send [[<register xmlns="http://jabber.org/features/iq-register"/> ]] |
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49 --send("</stream:features>"); |
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50 log("info", "core", "Stream opened successfully"); |
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51 session.notopen = nil; |
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52 return; |
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53 end |
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54 error("Client failed to open stream successfully"); |
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55 end |
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56 if name ~= "iq" and name ~= "presence" and name ~= "message" then |
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57 error("Client sent invalid top-level stanza"); |
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58 end |
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59 stanza = st.stanza(name, { to = attr.to, type = attr.type, id = attr.id, xmlns = curr_ns }); |
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60 curr_tag = stanza; |
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61 else |
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62 attr.xmlns = curr_ns; |
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63 stanza:tag(name, attr); |
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64 end |
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65 end |
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66 function xml_handlers:CharacterData(data) |
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67 if stanza then |
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68 t_insert(chardata, data); |
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69 end |
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70 end |
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71 function xml_handlers:EndElement(name) |
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72 curr_ns,name = name:match("^(.+):(%w+)$"); |
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73 --print("<"..name.."/>", tostring(stanza), tostring(#stanza.last_add < 1), tostring(stanza.last_add[#stanza.last_add].name)); |
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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 |
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75 if stanza and #chardata > 0 then |
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76 stanza:text(t_concat(chardata)); |
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77 print("Char data:", t_concat(chardata)); |
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78 chardata = {}; |
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79 end |
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80 -- Complete stanza |
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81 print(name, tostring(#stanza.last_add)); |
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82 if #stanza.last_add == 0 then |
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83 session.stanza_dispatch(stanza); |
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84 stanza = nil; |
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85 else |
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86 stanza:up(); |
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87 end |
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88 end |
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89 return xml_handlers; |
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90 end |
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91 |
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92 return init_xmlhandlers; |