7 -- |
7 -- |
8 |
8 |
9 |
9 |
10 local lxp = require "lxp"; |
10 local lxp = require "lxp"; |
11 local st = require "util.stanza"; |
11 local st = require "util.stanza"; |
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12 local stanza_mt = st.stanza_mt; |
12 |
13 |
13 local tostring = tostring; |
14 local tostring = tostring; |
14 local t_insert = table.insert; |
15 local t_insert = table.insert; |
15 local t_concat = table.concat; |
16 local t_concat = table.concat; |
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17 local t_remove = table.remove; |
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18 local setmetatable = setmetatable; |
16 |
19 |
17 local default_log = require "util.logger".init("xmppstream"); |
20 local default_log = require "util.logger".init("xmppstream"); |
18 |
21 |
19 local error = error; |
22 local error = error; |
20 |
23 |
51 end |
54 end |
52 local stream_error_tag = stream_ns..ns_separator..(stream_callbacks.error_tag or "error"); |
55 local stream_error_tag = stream_ns..ns_separator..(stream_callbacks.error_tag or "error"); |
53 |
56 |
54 local stream_default_ns = stream_callbacks.default_ns; |
57 local stream_default_ns = stream_callbacks.default_ns; |
55 |
58 |
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59 local stack = {}; |
56 local chardata, stanza = {}; |
60 local chardata, stanza = {}; |
57 local non_streamns_depth = 0; |
61 local non_streamns_depth = 0; |
58 function xml_handlers:StartElement(tagname, attr) |
62 function xml_handlers:StartElement(tagname, attr) |
59 if stanza and #chardata > 0 then |
63 if stanza and #chardata > 0 then |
60 -- We have some character data in the buffer |
64 -- We have some character data in the buffer |
61 stanza:text(t_concat(chardata)); |
65 t_insert(stanza, t_concat(chardata)); |
62 chardata = {}; |
66 chardata = {}; |
63 end |
67 end |
64 local curr_ns,name = tagname:match(ns_pattern); |
68 local curr_ns,name = tagname:match(ns_pattern); |
65 if name == "" then |
69 if name == "" then |
66 curr_ns, name = "", curr_ns; |
70 curr_ns, name = "", curr_ns; |
100 end |
104 end |
101 if curr_ns == "jabber:client" and name ~= "iq" and name ~= "presence" and name ~= "message" then |
105 if curr_ns == "jabber:client" and name ~= "iq" and name ~= "presence" and name ~= "message" then |
102 cb_error(session, "invalid-top-level-element"); |
106 cb_error(session, "invalid-top-level-element"); |
103 end |
107 end |
104 |
108 |
105 stanza = st.stanza(name, attr); |
109 stanza = setmetatable({ name = name, attr = attr, tags = {} }, stanza_mt); |
106 else -- we are inside a stanza, so add a tag |
110 else -- we are inside a stanza, so add a tag |
107 stanza:tag(name, attr); |
111 t_insert(stack, stanza); |
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112 local oldstanza = stanza; |
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113 stanza = setmetatable({ name = name, attr = attr, tags = {} }, stanza_mt); |
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114 t_insert(oldstanza, stanza); |
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115 t_insert(oldstanza.tags, stanza); |
108 end |
116 end |
109 end |
117 end |
110 function xml_handlers:CharacterData(data) |
118 function xml_handlers:CharacterData(data) |
111 if stanza then |
119 if stanza then |
112 t_insert(chardata, data); |
120 t_insert(chardata, data); |
117 non_streamns_depth = non_streamns_depth - 1; |
125 non_streamns_depth = non_streamns_depth - 1; |
118 end |
126 end |
119 if stanza then |
127 if stanza then |
120 if #chardata > 0 then |
128 if #chardata > 0 then |
121 -- We have some character data in the buffer |
129 -- We have some character data in the buffer |
122 stanza:text(t_concat(chardata)); |
130 t_insert(stanza, t_concat(chardata)); |
123 chardata = {}; |
131 chardata = {}; |
124 end |
132 end |
125 -- Complete stanza |
133 -- Complete stanza |
126 local last_add = stanza.last_add; |
134 if #stack == 0 then |
127 if not last_add or #last_add == 0 then |
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128 if tagname ~= stream_error_tag then |
135 if tagname ~= stream_error_tag then |
129 cb_handlestanza(session, stanza); |
136 cb_handlestanza(session, stanza); |
130 else |
137 else |
131 cb_error(session, "stream-error", stanza); |
138 cb_error(session, "stream-error", stanza); |
132 end |
139 end |
133 stanza = nil; |
140 stanza = nil; |
134 else |
141 else |
135 stanza:up(); |
142 stanza = t_remove(stack); |
136 end |
143 end |
137 else |
144 else |
138 if tagname == stream_tag then |
145 if tagname == stream_tag then |
139 if cb_streamclosed then |
146 if cb_streamclosed then |
140 cb_streamclosed(session); |
147 cb_streamclosed(session); |
145 curr_ns, name = "", curr_ns; |
152 curr_ns, name = "", curr_ns; |
146 end |
153 end |
147 cb_error(session, "parse-error", "unexpected-element-close", name); |
154 cb_error(session, "parse-error", "unexpected-element-close", name); |
148 end |
155 end |
149 stanza, chardata = nil, {}; |
156 stanza, chardata = nil, {}; |
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157 stack = {}; |
150 end |
158 end |
151 end |
159 end |
152 |
160 |
153 local function reset() |
161 local function reset() |
154 stanza, chardata = nil, {}; |
162 stanza, chardata = nil, {}; |
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163 stack = {}; |
155 end |
164 end |
156 |
165 |
157 local function set_session(stream, new_session) |
166 local function set_session(stream, new_session) |
158 session = new_session; |
167 session = new_session; |
159 log = new_session.log or default_log; |
168 log = new_session.log or default_log; |