prosody-modules
3dc8e329d233
mod_rest/jsonmap.lib.lua

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mod_rest/jsonmap.lib.lua @ 4916:3dc8e329d233

mod_rest: Move most of XEP-0432 handling into JSON mapping schema The pre- and post-processing is still needed to encode/decode the JSON since util.datamapper can't (currently) do this.
author Kim Alvefur <zash@zash.se>
date Thu, 07 Apr 2022 15:39:57 +0200
parent 4915:1d231fb827d3
child 4927:77b7e1322281
comparison
equal deleted inserted replaced
4915:1d231fb827d3 4916:3dc8e329d233
207 json2st = function (s) 207 json2st = function (s)
208 if type(s) == "string" then 208 if type(s) == "string" then
209 return st.stanza("x", { xmlns = "jabber:x:oob" }):text_tag("url", s); 209 return st.stanza("x", { xmlns = "jabber:x:oob" }):text_tag("url", s);
210 end 210 end
211 end; 211 end;
212 };
213
214 -- XEP-0432: Simple JSON Messaging
215 payload = { type = "func", xmlns = "urn:xmpp:json-msg:0", tagname = "payload",
216 st2json = function (s)
217 local rawjson = s:get_child_text("json", "urn:xmpp:json:0");
218 if not rawjson then return nil, "missing-json-payload"; end
219 local parsed, err = json.decode(rawjson);
220 if not parsed then return nil, err; end
221 return {
222 datatype = s.attr.datatype;
223 data = parsed;
224 };
225 end;
226 json2st = function (s)
227 if type(s) == "table" then
228 return st.stanza("payload", { xmlns = "urn:xmpp:json-msg:0", datatype = s.datatype })
229 :tag("json", { xmlns = "urn:xmpp:json:0" }):text(json.encode(s.data));
230 end;
231 end
232 }; 212 };
233 213
234 -- XEP-0004: Data Forms 214 -- XEP-0004: Data Forms
235 dataform = { 215 dataform = {
236 -- Generic and complete dataforms mapping 216 -- Generic and complete dataforms mapping
448 by = error and error.attr.by or nil, 428 by = error and error.attr.by or nil,
449 }; 429 };
450 return t; 430 return t;
451 end 431 end
452 432
433 if type(t.payload) == "table" then
434 if type(t.payload.data) == "string" then
435 local data, err = json.decode(t.payload.data);
436 if err then
437 return nil, err;
438 else
439 t.payload.data = data;
440 end
441 else
442 return nil, "invalid payload.data";
443 end
444 end
445
453 for _, tag in ipairs(s.tags) do 446 for _, tag in ipairs(s.tags) do
454 local prefix = "{" .. (tag.attr.xmlns or "jabber:client") .. "}"; 447 local prefix = "{" .. (tag.attr.xmlns or "jabber:client") .. "}";
455 local mapping = byxmlname[prefix .. tag.name]; 448 local mapping = byxmlname[prefix .. tag.name];
456 if not mapping then 449 if not mapping then
457 mapping = byxmlname[prefix]; 450 mapping = byxmlname[prefix];
534 archive["before"] = nil; 527 archive["before"] = nil;
535 archive["max"] = nil; 528 archive["max"] = nil;
536 end 529 end
537 end 530 end
538 531
532 if type(t.payload) == "table" then
533 t.payload.data = json.encode(t.payload.data);
534 end
535
539 local s = map.unparse(schema, { [kind or "message"] = t }).tags[1]; 536 local s = map.unparse(schema, { [kind or "message"] = t }).tags[1];
540 537
541 s.attr.type = t_type; 538 s.attr.type = t_type;
542 s.attr.to = str(t.to) and jid.prep(t.to); 539 s.attr.to = str(t.to) and jid.prep(t.to);
543 s.attr.from = str(t.to) and jid.prep(t.from); 540 s.attr.from = str(t.to) and jid.prep(t.from);