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core/xmlhandlers.lua @ 582:8eb45a8099c4
Make it possible to set custom output handler for logger
author | Matthew Wild <mwild1@gmail.com> |
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date | Sat, 06 Dec 2008 23:13:38 +0000 |
parent | 557:c9b3ffb08fe3 |
child | 615:4ae3e81513f3 |
rev | line source |
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519
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1 -- Prosody IM v0.1 |
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2 -- Copyright (C) 2008 Matthew Wild |
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3 -- Copyright (C) 2008 Waqas Hussain |
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4 -- |
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5 -- This program is free software; you can redistribute it and/or |
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6 -- modify it under the terms of the GNU General Public License |
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7 -- as published by the Free Software Foundation; either version 2 |
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8 -- of the License, or (at your option) any later version. |
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9 -- |
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10 -- This program is distributed in the hope that it will be useful, |
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11 -- but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 -- GNU General Public License for more details. |
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14 -- |
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15 -- You should have received a copy of the GNU General Public License |
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16 -- along with this program; if not, write to the Free Software |
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17 -- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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18 -- |
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19 |
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20 |
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21 |
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22 require "util.stanza" |
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23 |
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24 local st = stanza; |
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25 local tostring = tostring; |
148 | 26 local pairs = pairs; |
27 local ipairs = ipairs; | |
28 local type = type; | |
29 local print = print; | |
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30 local format = string.format; |
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31 local m_random = math.random; |
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32 local t_insert = table.insert; |
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33 local t_remove = table.remove; |
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34 local t_concat = table.concat; |
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35 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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36 local sm_destroy_session = import("core.sessionmanager", "destroy_session"); |
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37 |
145 | 38 local default_log = require "util.logger".init("xmlhandlers"); |
39 | |
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40 local error = error; |
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41 |
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42 module "xmlhandlers" |
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43 |
148 | 44 local ns_prefixes = { |
45 ["http://www.w3.org/XML/1998/namespace"] = "xml"; | |
46 } | |
47 | |
331 | 48 function init_xmlhandlers(session, stream_callbacks) |
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49 local ns_stack = { "" }; |
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50 local curr_ns = ""; |
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51 local curr_tag; |
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52 local chardata = {}; |
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53 local xml_handlers = {}; |
145 | 54 local log = session.log or default_log; |
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55 |
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56 local send = session.send; |
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57 |
331 | 58 local cb_streamopened = stream_callbacks.streamopened; |
59 local cb_streamclosed = stream_callbacks.streamclosed; | |
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60 local cb_error = stream_callbacks.error or function (session, e) error("XML stream error: "..tostring(e)); end; |
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61 local cb_handlestanza = stream_callbacks.handlestanza; |
331 | 62 |
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63 local stream_ns = stream_callbacks.ns; |
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64 |
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65 local stanza |
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66 function xml_handlers:StartElement(name, attr) |
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67 if stanza and #chardata > 0 then |
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68 -- We have some character data in the buffer |
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69 stanza:text(t_concat(chardata)); |
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70 chardata = {}; |
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71 end |
148 | 72 curr_ns,name = name:match("^(.+)|([%w%-]+)$"); |
73 if curr_ns ~= "jabber:server" then | |
74 attr.xmlns = curr_ns; | |
75 end | |
76 | |
77 -- FIXME !!!!! | |
78 for i, k in ipairs(attr) do | |
79 if type(k) == "string" then | |
80 local ns, nm = k:match("^([^|]+)|?([^|]-)$") | |
81 if ns and nm then | |
82 ns = ns_prefixes[ns]; | |
83 if ns then | |
84 attr[ns..":"..nm] = attr[k]; | |
85 attr[i] = ns..":"..nm; | |
86 attr[k] = nil; | |
87 end | |
88 end | |
89 end | |
90 end | |
145 | 91 |
92 if not stanza then --if we are not currently inside a stanza | |
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93 if session.notopen then |
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94 if name == "stream" and curr_ns == stream_ns then |
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95 if cb_streamopened then |
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96 cb_streamopened(session, attr); |
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97 end |
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98 else |
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99 -- Garbage before stream? |
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100 cb_error(session, "no-stream"); |
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101 end |
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102 return; |
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103 end |
38 | 104 if curr_ns == "jabber:client" and name ~= "iq" and name ~= "presence" and name ~= "message" then |
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105 cb_error(session, "invalid-top-level-element"); |
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106 end |
145 | 107 |
331 | 108 stanza = st.stanza(name, attr); |
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109 curr_tag = stanza; |
145 | 110 else -- we are inside a stanza, so add a tag |
148 | 111 attr.xmlns = nil; |
112 if curr_ns ~= "jabber:server" and curr_ns ~= "jabber:client" then | |
113 attr.xmlns = curr_ns; | |
114 end | |
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115 stanza:tag(name, attr); |
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116 end |
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117 end |
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118 function xml_handlers:CharacterData(data) |
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119 if stanza then |
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120 t_insert(chardata, data); |
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121 end |
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122 end |
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123 function xml_handlers:EndElement(name) |
148 | 124 curr_ns,name = name:match("^(.+)|([%w%-]+)$"); |
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125 if (not stanza) or (#stanza.last_add > 0 and name ~= stanza.last_add[#stanza.last_add].name) then |
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126 if name == "stream" then |
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127 if cb_streamclosed then |
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128 cb_streamclosed(session); |
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129 end |
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130 return; |
145 | 131 elseif name == "error" then |
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132 cb_error(session, "stream-error", stanza); |
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133 else |
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134 cb_error(session, "parse-error", "unexpected-element-close", name); |
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135 end |
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136 end |
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137 if stanza and #chardata > 0 then |
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138 -- We have some character data in the buffer |
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139 stanza:text(t_concat(chardata)); |
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140 chardata = {}; |
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141 end |
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142 -- Complete stanza |
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143 if #stanza.last_add == 0 then |
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144 cb_handlestanza(session, stanza); |
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145 stanza = nil; |
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146 else |
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147 stanza:up(); |
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148 end |
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149 end |
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150 return xml_handlers; |
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151 end |
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152 |
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153 return init_xmlhandlers; |