aboutsummaryrefslogtreecommitdiffstats
path: root/plugins/mod_vcard_legacy.lua
blob: 7dff1d09d746256d7c1a2739594d7e87b954346f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
local st = require "util.stanza";
local jid_split = require "util.jid".split;

local mod_pep = module:depends("pep");

local sha1 = require "util.hashes".sha1;
local base64_decode = require "util.encodings".base64.decode;

local vcards = module:open_store("vcard");

module:add_feature("vcard-temp");
module:hook("account-disco-info", function (event)
	event.reply:tag("feature", { var = "urn:xmpp:pep-vcard-conversion:0" }):up();
end);

local function handle_error(origin, stanza, err)
	if err == "forbidden" then
		origin.send(st.error_reply(stanza, "auth", "forbidden"));
	elseif err == "internal-server-error" then
		origin.send(st.error_reply(stanza, "wait", "internal-server-error"));
	else
		origin.send(st.error_reply(stanza, "modify", "undefined-condition", err));
	end
end

-- Simple translations
-- <foo><text>hey</text></foo> -> <FOO>hey</FOO>
local simple_map = {
	nickname = "text";
	title = "text";
	role = "text";
	categories = "text";
	note = "text";
	url = "uri";
	bday = "date";
}

module:hook("iq-get/bare/vcard-temp:vCard", function (event)
	local origin, stanza = event.origin, event.stanza;
	local pep_service = mod_pep.get_pep_service(jid_split(stanza.attr.to) or origin.username);
	local ok, id, vcard4_item = pep_service:get_last_item("urn:xmpp:vcard4", stanza.attr.from);

	local vcard_temp = st.stanza("vCard", { xmlns = "vcard-temp" });
	if ok and vcard4_item then
		local vcard4 = vcard4_item.tags[1];

		local fn = vcard4:get_child("fn");
		vcard_temp:text_tag("FN", fn and fn:get_child_text("text"));

		local v4n = vcard4:get_child("n");
		vcard_temp:tag("N")
			:text_tag("FAMILY", v4n and v4n:get_child_text("surname"))
			:text_tag("GIVEN", v4n and v4n:get_child_text("given"))
			:text_tag("MIDDLE", v4n and v4n:get_child_text("additional"))
			:text_tag("PREFIX", v4n and v4n:get_child_text("prefix"))
			:text_tag("SUFFIX", v4n and v4n:get_child_text("suffix"))
			:up();

		for tag in vcard4:childtags() do
			local typ = simple_map[tag.name];
			if typ then
				local text = tag:get_child_text(typ);
				if text then
					vcard_temp:text_tag(tag.name:upper(), text);
				end
			elseif tag.name == "email" then
				local text = tag:get_child_text("text");
				if text then
					vcard_temp:tag("EMAIL")
						:text_tag("USERID", text)
						:tag("INTERNET"):up();
					if tag:find"parameters/type/text#" == "home" then
						vcard_temp:tag("HOME"):up();
					elseif tag:find"parameters/type/text#" == "work" then
						vcard_temp:tag("WORK"):up();
					end
					vcard_temp:up();
				end
			elseif tag.name == "tel" then
				local text = tag:get_child_text("uri");
				if text then
					if text:sub(1, 4) == "tel:" then
						text = text:sub(5)
					end
					vcard_temp:tag("TEL"):text_tag("NUMBER", text);
					if tag:find"parameters/type/text#" == "home" then
						vcard_temp:tag("HOME"):up();
					elseif tag:find"parameters/type/text#" == "work" then
						vcard_temp:tag("WORK"):up();
					end
					vcard_temp:up();
				end
			elseif tag.name == "adr" then
				vcard_temp:tag("ADR")
					:text_tag("POBOX", tag:get_child_text("pobox"))
					:text_tag("EXTADD", tag:get_child_text("ext"))
					:text_tag("STREET", tag:get_child_text("street"))
					:text_tag("LOCALITY", tag:get_child_text("locality"))
					:text_tag("REGION", tag:get_child_text("region"))
					:text_tag("PCODE", tag:get_child_text("code"))
					:text_tag("CTRY", tag:get_child_text("country"));
				if tag:find"parameters/type/text#" == "home" then
					vcard_temp:tag("HOME"):up();
				elseif tag:find"parameters/type/text#" == "work" then
					vcard_temp:tag("WORK"):up();
				end
				vcard_temp:up();
			end
		end
	end

	local meta_ok, avatar_meta = pep_service:get_items("urn:xmpp:avatar:metadata", stanza.attr.from);
	local data_ok, avatar_data = pep_service:get_items("urn:xmpp:avatar:data", stanza.attr.from);

	if data_ok then
		for _, hash in ipairs(avatar_data) do
			local meta = meta_ok and avatar_meta[hash];
			local data = avatar_data[hash];
			local info = meta and meta.tags[1]:get_child("info");
			vcard_temp:tag("PHOTO");
			if info and info.attr.type then
				vcard_temp:text_tag("TYPE", info.attr.type);
			end
			if data then
				vcard_temp:text_tag("BINVAL", data.tags[1]:get_text());
			elseif info and info.attr.url then
				vcard_temp:text_tag("EXTVAL", info.attr.url);
			end
			vcard_temp:up();
		end
	end

	origin.send(st.reply(stanza):add_child(vcard_temp));
	return true;
end);

local node_defaults = {
	access_model = "open";
	_defaults_only = true;
};

function vcard_to_pep(vcard_temp)
	local avatars = {};

	local vcard4 = st.stanza("item", { xmlns = "http://jabber.org/protocol/pubsub", id = "current" })
		:tag("vcard", { xmlns = 'urn:ietf:params:xml:ns:vcard-4.0' });

	vcard4:tag("fn"):text_tag("text", vcard_temp:get_child_text("FN")):up();

	local N = vcard_temp:get_child("N");

	vcard4:tag("n")
		:text_tag("surname", N and N:get_child_text("FAMILY"))
		:text_tag("given", N and N:get_child_text("GIVEN"))
		:text_tag("additional", N and N:get_child_text("MIDDLE"))
		:text_tag("prefix", N and N:get_child_text("PREFIX"))
		:text_tag("suffix", N and N:get_child_text("SUFFIX"))
	:up();

	for tag in vcard_temp:childtags() do
		local typ = simple_map[tag.name:lower()];
		if typ then
			local text = tag:get_text();
			if text then
				vcard4:tag(tag.name:lower()):text_tag(typ, text):up();
			end
		elseif tag.name == "EMAIL" then
			local text = tag:get_child_text("USERID");
			if text then
				vcard4:tag("email")
				vcard4:text_tag("text", text)
				vcard4:tag("parameters"):tag("type");
				if tag:get_child("HOME") then
					vcard4:text_tag("text", "home");
				elseif tag:get_child("WORK") then
					vcard4:text_tag("text", "work");
				end
				vcard4:up():up():up();
			end
		elseif tag.name == "TEL" then
			local text = tag:get_child_text("NUMBER");
			if text then
				vcard4:tag("tel"):text_tag("uri", "tel:"..text);
			end
			vcard4:tag("parameters"):tag("type");
			if tag:get_child("HOME") then
				vcard4:text_tag("text", "home");
			elseif tag:get_child("WORK") then
				vcard4:text_tag("text", "work");
			end
			vcard4:up():up():up();
		elseif tag.name == "ORG" then
			local text = tag:get_child_text("ORGNAME");
			if text then
				vcard4:tag("org"):text_tag("text", text):up();
			end
		elseif tag.name == "DESC" then
			local text = tag:get_text();
			if text then
				vcard4:tag("note"):text_tag("text", text):up();
			end
			-- <note> gets mapped into <NOTE> in the other direction
		elseif tag.name == "ADR" then
			vcard4:tag("adr")
				:text_tag("pobox", tag:get_child_text("POBOX"))
				:text_tag("ext", tag:get_child_text("EXTADD"))
				:text_tag("street", tag:get_child_text("STREET"))
				:text_tag("locality", tag:get_child_text("LOCALITY"))
				:text_tag("region", tag:get_child_text("REGION"))
				:text_tag("code", tag:get_child_text("PCODE"))
				:text_tag("country", tag:get_child_text("CTRY"));
			vcard4:tag("parameters"):tag("type");
			if tag:get_child("HOME") then
				vcard4:text_tag("text", "home");
			elseif tag:get_child("WORK") then
				vcard4:text_tag("text", "work");
			end
			vcard4:up():up():up();
		elseif tag.name == "PHOTO" then
			local avatar_type = tag:get_child_text("TYPE");
			local avatar_payload = tag:get_child_text("BINVAL");
			-- Can EXTVAL be translated? No way to know the sha1 of the data?

			if avatar_payload then
				local avatar_raw = base64_decode(avatar_payload);
				local avatar_hash = sha1(avatar_raw, true);

				local avatar_meta = st.stanza("item", { id = avatar_hash, xmlns = "http://jabber.org/protocol/pubsub" })
					:tag("metadata", { xmlns="urn:xmpp:avatar:metadata" })
						:tag("info", {
							bytes = tostring(#avatar_raw),
							id = avatar_hash,
							type = avatar_type,
						});

				local avatar_data = st.stanza("item", { id = avatar_hash, xmlns = "http://jabber.org/protocol/pubsub" })
					:tag("data", { xmlns="urn:xmpp:avatar:data" })
						:text(avatar_payload);

				table.insert(avatars, { hash = avatar_hash, meta = avatar_meta, data = avatar_data });
			end
		end
	end
	return vcard4, avatars;
end

function save_to_pep(pep_service, actor, vcard4, avatars)

	if pep_service:purge("urn:xmpp:avatar:metadata", actor) then
		pep_service:purge("urn:xmpp:avatar:data", actor);
	end

	local avatar_defaults = node_defaults;
	if #avatars > 1 then
		avatar_defaults = {};
		for k,v in pairs(node_defaults) do
			avatar_defaults[k] = v;
		end
		avatar_defaults.max_items = #avatars;
	end
	for _, avatar in ipairs(avatars) do
		local ok, err = pep_service:publish("urn:xmpp:avatar:data", actor, avatar.hash, avatar.data, avatar_defaults);
		if ok then
			ok, err = pep_service:publish("urn:xmpp:avatar:metadata", actor, avatar.hash, avatar.meta, avatar_defaults);
		end
		if not ok then
			return ok, err;
		end
	end

	return pep_service:publish("urn:xmpp:vcard4", actor, "current", vcard4, node_defaults);
end

module:hook("iq-set/self/vcard-temp:vCard", function (event)
	local origin, stanza = event.origin, event.stanza;
	local pep_service = mod_pep.get_pep_service(origin.username);

	local vcard_temp = stanza.tags[1];

	local ok, err = save_to_pep(pep_service, origin.full_jid, vcard_to_pep(vcard_temp));
	if ok then
		origin.send(st.reply(stanza));
	else
		handle_error(origin, stanza, err);
	end

	return true;
end);

local function inject_xep153(event)
	local origin, stanza = event.origin, event.stanza;
	local username = origin.username;
	if not username then return end
	if stanza.attr.type then return end
	local pep_service = mod_pep.get_pep_service(username);

	stanza:remove_children("x", "vcard-temp:x:update");
	local x_update = st.stanza("x", { xmlns = "vcard-temp:x:update" });
	local ok, avatar_hash = pep_service:get_last_item("urn:xmpp:avatar:metadata", true);
	if ok and avatar_hash then
		x_update:text_tag("photo", avatar_hash);
	end
	stanza:add_direct_child(x_update);
end

module:hook("pre-presence/full", inject_xep153, 1);
module:hook("pre-presence/bare", inject_xep153, 1);
module:hook("pre-presence/host", inject_xep153, 1);

if module:get_option_boolean("upgrade_legacy_vcards", true) then
module:hook("resource-bind", function (event)
	local session = event.session;
	local username = session.username;
	local vcard_temp = vcards:get(username);
	if not vcard_temp then
		session.log("debug", "No legacy vCard to migrate or already migrated");
		return;
	end
	local pep_service = mod_pep.get_pep_service(username);
	if pep_service:get_last_item("urn:xmpp:vcard4", true)
	or pep_service:get_last_item("urn:xmpp:avatar:metadata", true)
	or pep_service:get_last_item("urn:xmpp:avatar:data", true) then
		session.log("debug", "Already PEP data, not overwriting with migrated data");
		vcards:set(username, nil);
		return;
	end
	vcard_temp = st.deserialize(vcard_temp);
	local ok, err = save_to_pep(pep_service, true, vcard_to_pep(vcard_temp));
	if ok and vcards:set(username, nil) then
		session.log("info", "Migrated vCard-temp to PEP");
	else
		session.log("info", "Failed to migrate vCard-temp to PEP: %s", err or "problem emptying 'vcard' store");
	end
end);
end