prosody
181f5cc6215b
core/xmlhandlers.lua

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core/xmlhandlers.lua @ 213:181f5cc6215b

Commented a buggy check
author Waqas Hussain <waqas20@gmail.com>
date Tue, 04 Nov 2008 17:43:48 +0500
parent 166:d4ee015fcee4
child 331:830fd67f9378
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 pairs = pairs;
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7 local ipairs = ipairs;
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8 local type = type;
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9 local print = print;
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10 local format = string.format;
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11 local m_random = math.random;
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12 local t_insert = table.insert;
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13 local t_remove = table.remove;
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14 local t_concat = table.concat;
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15 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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16 local sm_destroy_session = import("core.sessionmanager", "destroy_session");
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17
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18 local default_log = require "util.logger".init("xmlhandlers");
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19
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20 local error = error;
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21
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22 module "xmlhandlers"
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23
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24 local ns_prefixes = {
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25 ["http://www.w3.org/XML/1998/namespace"] = "xml";
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26 }
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27
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28 function init_xmlhandlers(session, streamopened)
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29 local ns_stack = { "" };
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30 local curr_ns = "";
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31 local curr_tag;
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32 local chardata = {};
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33 local xml_handlers = {};
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34 local log = session.log or default_log;
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35 --local print = function (...) log("info", "xmlhandlers", t_concatall({...}, "\t")); end
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36
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37 local send = session.send;
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38
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39 local stanza
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40 function xml_handlers:StartElement(name, attr)
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41 if stanza and #chardata > 0 then
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42 -- We have some character data in the buffer
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43 stanza:text(t_concat(chardata));
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44 chardata = {};
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45 end
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46 curr_ns,name = name:match("^(.+)|([%w%-]+)$");
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47 if curr_ns ~= "jabber:server" then
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48 attr.xmlns = curr_ns;
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49 end
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50
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51 -- FIXME !!!!!
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52 for i, k in ipairs(attr) do
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53 if type(k) == "string" then
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54 local ns, nm = k:match("^([^|]+)|?([^|]-)$")
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55 if ns and nm then
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56 ns = ns_prefixes[ns];
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57 if ns then
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58 attr[ns..":"..nm] = attr[k];
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59 attr[i] = ns..":"..nm;
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60 attr[k] = nil;
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61 end
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62 end
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63 end
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64 end
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66 if not stanza then --if we are not currently inside a stanza
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67 if session.notopen then
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68 if name == "stream" then
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69 streamopened(session, attr);
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70 return;
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71 end
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72 error("Client failed to open stream successfully");
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73 end
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74 if curr_ns == "jabber:client" and name ~= "iq" and name ~= "presence" and name ~= "message" then
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75 error("Client sent invalid top-level stanza");
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76 end
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77
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78 stanza = st.stanza(name, attr); --{ to = attr.to, type = attr.type, id = attr.id, xmlns = curr_ns });
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79 curr_tag = stanza;
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80 else -- we are inside a stanza, so add a tag
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81 attr.xmlns = nil;
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82 if curr_ns ~= "jabber:server" and curr_ns ~= "jabber:client" then
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83 attr.xmlns = curr_ns;
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84 end
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85 stanza:tag(name, attr);
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86 end
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87 end
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88 function xml_handlers:CharacterData(data)
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89 if stanza then
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90 t_insert(chardata, data);
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91 end
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92 end
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93 function xml_handlers:EndElement(name)
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94 curr_ns,name = name:match("^(.+)|([%w%-]+)$");
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95 if (not stanza) or #stanza.last_add < 0 or (#stanza.last_add > 0 and name ~= stanza.last_add[#stanza.last_add].name) then
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96 if name == "stream" then
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97 log("debug", "Stream closed");
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98 sm_destroy_session(session);
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99 return;
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100 elseif name == "error" then
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101 error("Stream error: "..tostring(name)..": "..tostring(stanza));
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102 else
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103 error("XML parse error in client stream");
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104 end
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105 end
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106 if stanza and #chardata > 0 then
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107 -- We have some character data in the buffer
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108 stanza:text(t_concat(chardata));
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109 chardata = {};
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110 end
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111 -- Complete stanza
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112 if #stanza.last_add == 0 then
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113 session.stanza_dispatch(stanza);
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114 stanza = nil;
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115 else
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116 stanza:up();
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117 end
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118 end
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119 return xml_handlers;
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120 end
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121
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122 return init_xmlhandlers;