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core/xmlhandlers.lua @ 1067:21f41b06f1d2
loggingmanager: Add ability to set 'log' config option to a filename, which causes all levels >= info to be logged to that file
author | Matthew Wild <mwild1@gmail.com> |
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date | Wed, 29 Apr 2009 20:52:24 +0100 |
parent | 1051:0327c569eb1a |
child | 1153:1184cb19b6f2 |
rev | line source |
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896 | 1 -- Prosody IM v0.4 |
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2 -- Copyright (C) 2008-2009 Matthew Wild |
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3 -- Copyright (C) 2008-2009 Waqas Hussain |
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4 -- |
758 | 5 -- This project is MIT/X11 licensed. Please see the |
6 -- COPYING file in the source package for more information. | |
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7 -- |
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8 |
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9 |
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10 |
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11 require "util.stanza" |
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12 |
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13 local st = stanza; |
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14 local tostring = tostring; |
148 | 15 local pairs = pairs; |
16 local ipairs = ipairs; | |
17 local type = type; | |
18 local print = print; | |
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19 local format = string.format; |
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20 local m_random = math.random; |
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21 local t_insert = table.insert; |
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22 local t_remove = table.remove; |
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23 local t_concat = table.concat; |
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24 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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25 local sm_destroy_session = import("core.sessionmanager", "destroy_session"); |
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26 |
145 | 27 local default_log = require "util.logger".init("xmlhandlers"); |
28 | |
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29 local error = error; |
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30 |
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31 module "xmlhandlers" |
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32 |
148 | 33 local ns_prefixes = { |
34 ["http://www.w3.org/XML/1998/namespace"] = "xml"; | |
35 } | |
36 | |
331 | 37 function init_xmlhandlers(session, stream_callbacks) |
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38 local ns_stack = { "" }; |
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39 local curr_ns, name = ""; |
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40 local curr_tag; |
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41 local chardata = {}; |
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42 local xml_handlers = {}; |
145 | 43 local log = session.log or default_log; |
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44 |
331 | 45 local cb_streamopened = stream_callbacks.streamopened; |
46 local cb_streamclosed = stream_callbacks.streamclosed; | |
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47 local cb_error = stream_callbacks.error or function (session, e) error("XML stream error: "..tostring(e)); end; |
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48 local cb_handlestanza = stream_callbacks.handlestanza; |
331 | 49 |
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50 local stream_tag = stream_callbacks.stream_tag; |
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51 local stream_default_ns = stream_callbacks.default_ns; |
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52 |
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53 local stanza |
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54 function xml_handlers:StartElement(tagname, attr) |
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55 if stanza and #chardata > 0 then |
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56 -- We have some character data in the buffer |
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57 stanza:text(t_concat(chardata)); |
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58 chardata = {}; |
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59 end |
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60 local curr_ns,name = tagname:match("^(.-)|?([^%|]-)$"); |
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61 if not name then |
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62 curr_ns, name = "", curr_ns; |
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63 end |
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64 |
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65 if curr_ns ~= stream_default_ns then |
148 | 66 attr.xmlns = curr_ns; |
67 end | |
68 | |
69 -- FIXME !!!!! | |
70 for i, k in ipairs(attr) do | |
71 if type(k) == "string" then | |
72 local ns, nm = k:match("^([^|]+)|?([^|]-)$") | |
73 if ns and nm then | |
74 ns = ns_prefixes[ns]; | |
75 if ns then | |
76 attr[ns..":"..nm] = attr[k]; | |
77 attr[i] = ns..":"..nm; | |
78 attr[k] = nil; | |
79 end | |
80 end | |
81 end | |
82 end | |
145 | 83 |
84 if not stanza then --if we are not currently inside a stanza | |
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85 if session.notopen then |
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86 if tagname == stream_tag then |
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87 if cb_streamopened then |
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88 cb_streamopened(session, attr); |
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89 end |
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90 else |
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91 -- Garbage before stream? |
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92 cb_error(session, "no-stream"); |
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93 end |
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94 return; |
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95 end |
38 | 96 if curr_ns == "jabber:client" and name ~= "iq" and name ~= "presence" and name ~= "message" then |
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97 cb_error(session, "invalid-top-level-element"); |
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98 end |
145 | 99 |
331 | 100 stanza = st.stanza(name, attr); |
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101 curr_tag = stanza; |
145 | 102 else -- we are inside a stanza, so add a tag |
148 | 103 attr.xmlns = nil; |
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104 if curr_ns ~= stream_default_ns then |
148 | 105 attr.xmlns = curr_ns; |
106 end | |
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107 stanza:tag(name, attr); |
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108 end |
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109 end |
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110 function xml_handlers:CharacterData(data) |
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111 if stanza then |
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112 t_insert(chardata, data); |
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113 end |
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114 end |
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115 function xml_handlers:EndElement(tagname) |
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116 curr_ns,name = tagname:match("^(.-)|?([^%|]-)$"); |
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117 if not name then |
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118 curr_ns, name = "", curr_ns; |
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119 end |
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120 if (not stanza) or (#stanza.last_add > 0 and name ~= stanza.last_add[#stanza.last_add].name) then |
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121 if tagname == stream_tag then |
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122 if cb_streamclosed then |
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123 cb_streamclosed(session); |
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124 end |
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125 return; |
145 | 126 elseif name == "error" then |
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127 cb_error(session, "stream-error", stanza); |
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128 else |
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129 cb_error(session, "parse-error", "unexpected-element-close", name); |
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130 end |
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131 end |
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132 if stanza then |
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133 if #chardata > 0 then |
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134 -- We have some character data in the buffer |
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135 stanza:text(t_concat(chardata)); |
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136 chardata = {}; |
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137 end |
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138 -- Complete stanza |
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139 if #stanza.last_add == 0 then |
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140 cb_handlestanza(session, stanza); |
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141 stanza = nil; |
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142 else |
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143 stanza:up(); |
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144 end |
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145 end |
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146 end |
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147 return xml_handlers; |
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148 end |
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149 |
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150 return init_xmlhandlers; |