| author | Kim Alvefur <zash@zash.se> |
| Sat, 25 Jan 2020 00:40:38 +0100 | |
| changeset 3858 | 25c34c9f755c |
| parent 3856 | 66f96b98d219 |
| child 3859 | 0e1e900577c4 |
| permissions | -rw-r--r-- |
| 3817 | 1 |
local array = require "util.array"; |
2 |
local jid = require "util.jid"; |
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local json = require "util.json"; |
| 3817 | 4 |
local st = require "util.stanza"; |
5 |
local xml = require "util.xml"; |
|
6 |
||
7 |
local simple_types = { |
|
8 |
-- basic message |
|
9 |
body = "text_tag", |
|
10 |
subject = "text_tag", |
|
11 |
thread = "text_tag", |
|
12 |
||
13 |
-- basic presence |
|
14 |
show = "text_tag", |
|
15 |
status = "text_tag", |
|
16 |
priority = "text_tag", |
|
17 |
||
18 |
state = {"name", "http://jabber.org/protocol/chatstates"}, |
|
19 |
nick = {"text_tag", "http://jabber.org/protocol/nick", "nick"}, |
|
20 |
delay = {"attr", "urn:xmpp:delay", "delay", "stamp"}, |
|
21 |
replace = {"attr", "urn:xmpp:message-correct:0", "replace", "id"}, |
|
22 |
||
23 |
-- XEP-0045 MUC |
|
24 |
-- TODO history, password, ??? |
|
25 |
join = {"bool_tag", "http://jabber.org/protocol/muc", "x"}, |
|
26 |
||
27 |
-- XEP-0071 |
|
28 |
-- FIXME xmlns is awkward |
|
29 |
html = { |
|
30 |
"func", "http://jabber.org/protocol/xhtml-im", "html", |
|
31 |
function (s) --> json string |
|
32 |
return tostring(s:get_child("body", "http://www.w3.org/1999/xhtml")); |
|
33 |
end; |
|
34 |
function (s) --> xml |
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if type(s) == "string" then |
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return xml.parse([[<html xmlns='http://jabber.org/protocol/xhtml-im'>]]..s..[[</html>]]); |
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37 |
end |
| 3817 | 38 |
end; |
39 |
}; |
|
40 |
||
41 |
-- XEP-0199 |
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42 |
ping = {"bool_tag", "urn:xmpp:ping", "ping"}, |
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43 |
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-- XEP-0092: Software Version |
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version = {"func", "jabber:iq:version", "query", |
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function (s) |
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return { |
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name = s:get_child_text("name"); |
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version = s:get_child_text("version"); |
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os = s:get_child_text("os"); |
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} |
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52 |
end, |
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function (s) |
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local v = st.stanza("query", { xmlns = "jabber:iq:version" }); |
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if type(s) == "table" then |
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v:text_tag("name", s.name); |
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v:text_tag("version", s.version); |
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if s.os then |
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v:text_tag("os", s.os); |
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60 |
end |
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end |
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return v; |
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63 |
end |
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}; |
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65 |
|
| 3817 | 66 |
-- XEP-0030 |
67 |
disco = { |
|
68 |
"func", "http://jabber.org/protocol/disco#info", "query", |
|
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function (s) --> array of features |
|
70 |
local identities, features = array(), array(); |
|
71 |
for tag in s:childtags() do |
|
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if tag.name == "identity" and tag.attr.category and tag.attr.type then |
|
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identities:push({ category = tag.attr.category, type = tag.attr.type, name = tag.attr.name }); |
|
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elseif tag.name == "feature" and tag.attr.var then |
|
75 |
features:push(tag.attr.var); |
|
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end |
|
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end |
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return { node = s.attr.node, identities = identities, features = features, }; |
| 3817 | 79 |
end; |
80 |
function (s) |
|
81 |
local disco = st.stanza("query", { xmlns = "http://jabber.org/protocol/disco#info" }); |
|
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if type(s) == "table" then |
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disco.attr.node = tostring(s.node); |
| 3817 | 84 |
if s.identities then |
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for _, identity in ipairs(s.identities) do |
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disco:tag("identity", { category = identity.category, type = identity.type, name = identity.name }):up(); |
| 3817 | 87 |
end |
88 |
end |
|
89 |
if s.features then |
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for _, feature in ipairs(s.features) do |
| 3817 | 91 |
disco:tag("feature", { var = feature }):up(); |
92 |
end |
|
93 |
end |
|
94 |
end |
|
95 |
return disco; |
|
96 |
end; |
|
97 |
}; |
|
98 |
||
99 |
items = { |
|
100 |
"func", "http://jabber.org/protocol/disco#items", "query", |
|
101 |
function (s) --> array of features |
|
102 |
local items = array(); |
|
103 |
for item in s:childtags("item") do |
|
104 |
items:push({ jid = item.attr.jid, node = item.attr.node, name = item.attr.name }); |
|
105 |
end |
|
106 |
return items; |
|
107 |
end; |
|
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function (s) |
|
109 |
local disco = st.stanza("query", { xmlns = "http://jabber.org/protocol/disco#items" }); |
|
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if type(s) == "table" then |
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for _, item in ipairs(s) do |
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if type(item) == "string" then |
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disco:tag("item", { jid = item }); |
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elseif type(item) == "table" then |
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disco:tag("item", { jid = item.jid, node = item.node, name = item.name }); |
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end |
| 3817 | 117 |
end |
118 |
end |
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119 |
return disco; |
|
120 |
end; |
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121 |
}; |
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122 |
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123 |
oob_url = {"func", "jabber:iq:oob", "query", |
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124 |
function (s) |
|
125 |
return s:get_child_text("url"); |
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126 |
end; |
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function (s) |
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if type(s) == "string" then |
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return st.stanza("query", { xmlns = "jabber:iq:oob" }):text_tag("url", s); |
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end |
| 3817 | 131 |
end; |
132 |
}; |
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133 |
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-- XEP-XXXX: User-defined Data Transfer |
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payload = {"func", "urn:xmpp:udt:0", "payload", |
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function (s) |
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local rawjson = s:get_child_text("json", "urn:xmpp:json:0"); |
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if not rawjson then return nil, "missing-json-payload"; end |
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local parsed, err = json.decode(rawjson); |
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if not parsed then return nil, err; end |
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return { |
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datatype = s.attr.datatype; |
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data = parsed; |
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}; |
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145 |
end; |
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function (s) |
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if type(s) == "table" then |
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return st.stanza("payload", { xmlns = "urn:xmpp:udt:0", datatype = s.datatype }) |
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:tag("json", { xmlns = "urn:xmpp:json:0" }):text(json.encode(s.data)); |
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150 |
end; |
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151 |
end |
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}; |
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153 |
|
| 3817 | 154 |
}; |
155 |
||
156 |
local implied_kinds = { |
|
157 |
disco = "iq", |
|
158 |
items = "iq", |
|
159 |
ping = "iq", |
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version = "iq", |
| 3817 | 161 |
|
162 |
body = "message", |
|
163 |
html = "message", |
|
164 |
replace = "message", |
|
165 |
state = "message", |
|
166 |
subject = "message", |
|
167 |
thread = "message", |
|
168 |
||
169 |
join = "presence", |
|
170 |
priority = "presence", |
|
171 |
show = "presence", |
|
172 |
status = "presence", |
|
173 |
} |
|
174 |
||
175 |
local kind_by_type = { |
|
176 |
get = "iq", set = "iq", result = "iq", |
|
177 |
normal = "message", chat = "message", headline = "message", groupchat = "message", |
|
178 |
available = "presence", unavailable = "presence", |
|
179 |
subscribe = "presence", unsubscribe = "presence", |
|
180 |
subscribed = "presence", unsubscribed = "presence", |
|
181 |
} |
|
182 |
||
183 |
local function st2json(s) |
|
184 |
local t = { |
|
185 |
kind = s.name, |
|
186 |
type = s.attr.type, |
|
187 |
to = s.attr.to, |
|
188 |
from = s.attr.from, |
|
189 |
id = s.attr.id, |
|
190 |
}; |
|
191 |
if s.name == "presence" and not s.attr.type then |
|
192 |
t.type = "available"; |
|
193 |
end |
|
194 |
||
195 |
if t.to then |
|
196 |
t.to = jid.prep(t.to); |
|
197 |
if not t.to then return nil, "invalid-jid-to"; end |
|
198 |
end |
|
199 |
if t.from then |
|
200 |
t.from = jid.prep(t.from); |
|
201 |
if not t.from then return nil, "invalid-jid-from"; end |
|
202 |
end |
|
203 |
||
204 |
if t.type == "error" then |
|
205 |
local err_typ, err_condition, err_text = s:get_error(); |
|
206 |
t.error = { |
|
207 |
type = err_typ, |
|
208 |
condition = err_condition, |
|
209 |
text = err_text |
|
210 |
}; |
|
211 |
return t; |
|
212 |
end |
|
213 |
||
214 |
for k, typ in pairs(simple_types) do |
|
215 |
if typ == "text_tag" then |
|
216 |
t[k] = s:get_child_text(k); |
|
217 |
elseif typ[1] == "text_tag" then |
|
218 |
t[k] = s:get_child_text(typ[3], typ[2]); |
|
219 |
elseif typ[1] == "name" then |
|
220 |
local child = s:get_child(nil, typ[2]); |
|
221 |
if child then |
|
222 |
t[k] = child.name; |
|
223 |
end |
|
224 |
elseif typ[1] == "attr" then |
|
225 |
local child = s:get_child(typ[3], typ[2]) |
|
226 |
if child then |
|
227 |
t[k] = child.attr[typ[4]]; |
|
228 |
end |
|
229 |
elseif typ[1] == "bool_tag" then |
|
230 |
if s:get_child(typ[3], typ[2]) then |
|
231 |
t[k] = true; |
|
232 |
end |
|
233 |
elseif typ[1] == "func" then |
|
234 |
local child = s:get_child(typ[3], typ[2] or k); |
|
235 |
-- TODO handle err |
|
236 |
if child then |
|
237 |
t[k] = typ[4](child); |
|
238 |
end |
|
239 |
end |
|
240 |
end |
|
241 |
||
242 |
return t; |
|
243 |
end |
|
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||
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local function str(s) |
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if type(s) == "string" then |
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return s; |
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end |
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end |
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|
| 3817 | 251 |
local function json2st(t) |
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if type(t) ~= "table" or not str(next(t)) then |
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return nil, "invalid-json"; |
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end |
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local kind = str(t.kind) or kind_by_type[str(t.type)]; |
| 3817 | 256 |
if not kind then |
257 |
for k, implied in pairs(implied_kinds) do |
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if t[k] then |
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kind = implied; |
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break |
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end |
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end |
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end |
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local s = st.stanza(kind or "message", { |
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type = t.type ~= "available" and str(t.type) or nil, |
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to = str(t.to) and jid.prep(t.to); |
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from = str(t.to) and jid.prep(t.from); |
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id = str(t.id), |
| 3817 | 270 |
}); |
271 |
||
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if t.to and not s.attr.to then |
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return nil, "invalid-jid-to"; |
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end |
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if t.from and not s.attr.from then |
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return nil, "invalid-jid-from"; |
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end |
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if kind == "iq" and not s.attr.type then |
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s.attr.type = "get"; |
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end |
| 3817 | 281 |
|
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if type(t.error) == "table" then |
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return st.error_reply(st.reply(s), str(t.error.type), str(t.error.condition), str(t.error.text)); |
| 3817 | 284 |
elseif t.type == "error" then |
285 |
s:text_tag("error", t.body, { code = t.error_code and tostring(t.error_code) }); |
|
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return s; |
|
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end |
|
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||
289 |
for k, v in pairs(t) do |
|
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local typ = simple_types[k]; |
|
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if typ then |
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if typ == "text_tag" then |
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s:text_tag(k, v); |
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elseif typ[1] == "text_tag" then |
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s:text_tag(typ[3] or k, v, typ[2] and { xmlns = typ[2] }); |
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elseif typ[1] == "name" then |
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s:tag(v, { xmlns = typ[2] }):up(); |
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elseif typ[1] == "attr" then |
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s:tag(typ[3] or k, { xmlns = typ[2], [ typ[4] or k ] = v }):up(); |
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elseif typ[1] == "bool_tag" then |
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301 |
s:tag(typ[3] or k, { xmlns = typ[2] }):up(); |
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302 |
elseif typ[1] == "func" then |
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303 |
s:add_child(typ[5](v)):up(); |
|
304 |
end |
|
305 |
end |
|
306 |
end |
|
307 |
||
308 |
s:reset(); |
|
309 |
||
310 |
return s; |
|
311 |
end |
|
312 |
||
313 |
return { |
|
314 |
st2json = st2json; |
|
315 |
json2st = json2st; |
|
316 |
}; |