Mercurial > prosody-modules

annotate mod_unified_push/mod_unified_push.lua @ 5136:67b2c982bea2

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
mod_unified_push: Various fixes, now working with Conversations
author Matthew Wild <mwild1@gmail.com>
date Tue, 10 Jan 2023 15:45:03 +0000
parents 7cc0f68b8715
children 449e4ca4de32
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
5128
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1 local unified_push_secret = assert(module:get_option_string("unified_push_secret"), "required option: unified_push_secret");
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
2 local push_registration_ttl = module:get_option_number("unified_push_registration_ttl", 86400);
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
3
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
4 local base64 = require "util.encodings".base64;
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
5 local datetime = require "util.datetime";
5136
67b2c982bea2 mod_unified_push: Various fixes, now working with Conversations
Matthew Wild <mwild1@gmail.com>
parents: 5128
diff changeset
6 local id = require "util.id";
5128
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
7 local jwt_sign, jwt_verify = require "util.jwt".init("HS256", unified_push_secret);
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
8 local st = require "util.stanza";
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
9 local urlencode = require "util.http".urlencode;
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
10
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
11 local xmlns_up = "http://gultsch.de/xmpp/drafts/unified-push";
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
12
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
13 module:depends("http");
5136
67b2c982bea2 mod_unified_push: Various fixes, now working with Conversations
Matthew Wild <mwild1@gmail.com>
parents: 5128
diff changeset
14 module:depends("disco");
67b2c982bea2 mod_unified_push: Various fixes, now working with Conversations
Matthew Wild <mwild1@gmail.com>
parents: 5128
diff changeset
15
67b2c982bea2 mod_unified_push: Various fixes, now working with Conversations
Matthew Wild <mwild1@gmail.com>
parents: 5128
diff changeset
16 module:add_feature(xmlns_up);
5128
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
17
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
18 local function check_sha256(s)
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
19 if not s then return nil, "no value provided"; end
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
20 local d = base64.decode(s);
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
21 if not d then return nil, "invalid base64"; end
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
22 if #d ~= 32 then return nil, "incorrect decoded length, expected 32"; end
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
23 return s;
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
24 end
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
25
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
26 -- Handle incoming registration from XMPP client
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
27 function handle_register(event)
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
28 local origin, stanza = event.origin, event.stanza;
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
29 local instance, instance_err = check_sha256(stanza.tags[1].attr.instance);
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
30 if not instance then
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
31 return st.error_reply(stanza, "modify", "bad-request", "instance: "..instance_err);
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
32 end
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
33 local application, application_err = check_sha256(stanza.tags[1].attr.application);
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
34 if not application then
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
35 return st.error_reply(stanza, "modify", "bad-request", "application: "..application_err);
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
36 end
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
37 local expiry = os.time() + push_registration_ttl;
5136
67b2c982bea2 mod_unified_push: Various fixes, now working with Conversations
Matthew Wild <mwild1@gmail.com>
parents: 5128
diff changeset
38 local url = module:http_url("push").."/"..urlencode(jwt_sign({
5128
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
39 instance = instance;
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
40 application = application;
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
41 sub = stanza.attr.from;
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
42 exp = expiry;
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
43 }));
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
44 module:log("debug", "New push registration successful");
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
45 return origin.send(st.reply(stanza):tag("registered", {
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
46 expiration = datetime.datetime(expiry);
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
47 endpoint = url;
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
48 xmlns = xmlns_up;
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
49 }));
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
50 end
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
51
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
52 module:hook("iq-set/host/"..xmlns_up..":register", handle_register);
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
53
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
54 -- Handle incoming POST
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
55 function handle_push(event, subpath)
5136
67b2c982bea2 mod_unified_push: Various fixes, now working with Conversations
Matthew Wild <mwild1@gmail.com>
parents: 5128
diff changeset
56 module:log("debug", "Incoming push received!");
67b2c982bea2 mod_unified_push: Various fixes, now working with Conversations
Matthew Wild <mwild1@gmail.com>
parents: 5128
diff changeset
57 local ok, data = jwt_verify(subpath);
67b2c982bea2 mod_unified_push: Various fixes, now working with Conversations
Matthew Wild <mwild1@gmail.com>
parents: 5128
diff changeset
58 if not ok then
67b2c982bea2 mod_unified_push: Various fixes, now working with Conversations
Matthew Wild <mwild1@gmail.com>
parents: 5128
diff changeset
59 module:log("debug", "Received push to unacceptable token (%s)", data);
5128
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
60 return 404;
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
61 end
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
62 local payload = event.request.body;
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
63 if not payload or payload == "" then
5136
67b2c982bea2 mod_unified_push: Various fixes, now working with Conversations
Matthew Wild <mwild1@gmail.com>
parents: 5128
diff changeset
64 module:log("warn", "Missing or empty push payload");
5128
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
65 return 400;
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
66 elseif #payload > 4096 then
5136
67b2c982bea2 mod_unified_push: Various fixes, now working with Conversations
Matthew Wild <mwild1@gmail.com>
parents: 5128
diff changeset
67 module:log("warn", "Push payload too large");
5128
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
68 return 413;
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
69 end
5136
67b2c982bea2 mod_unified_push: Various fixes, now working with Conversations
Matthew Wild <mwild1@gmail.com>
parents: 5128
diff changeset
70 local push_id = event.request.id or id.short();
67b2c982bea2 mod_unified_push: Various fixes, now working with Conversations
Matthew Wild <mwild1@gmail.com>
parents: 5128
diff changeset
71 module:log("debug", "Push notification received [%s], relaying to device...", push_id);
67b2c982bea2 mod_unified_push: Various fixes, now working with Conversations
Matthew Wild <mwild1@gmail.com>
parents: 5128
diff changeset
72 local push_iq = st.iq({ type = "set", to = data.sub, from = module.host, id = push_id })
5128
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
73 :text_tag("push", base64.encode(payload), { instance = data.instance, application = data.application, xmlns = xmlns_up });
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
74 return module:send_iq(push_iq):next(function ()
5136
67b2c982bea2 mod_unified_push: Various fixes, now working with Conversations
Matthew Wild <mwild1@gmail.com>
parents: 5128
diff changeset
75 module:log("debug", "Push notification delivered [%s]", push_id);
5128
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
76 return 201;
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
77 end, function (error_event)
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
78 local e_type, e_cond, e_text = error_event.stanza:get_error();
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
79 if e_cond == "item-not-found" or e_cond == "feature-not-implemented" then
5136
67b2c982bea2 mod_unified_push: Various fixes, now working with Conversations
Matthew Wild <mwild1@gmail.com>
parents: 5128
diff changeset
80 module:log("debug", "Push rejected [%s]", push_id);
5128
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
81 return 404;
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
82 elseif e_cond == "service-unavailable" or e_cond == "recipient-unavailable" then
5136
67b2c982bea2 mod_unified_push: Various fixes, now working with Conversations
Matthew Wild <mwild1@gmail.com>
parents: 5128
diff changeset
83 module:log("debug", "Recipient temporarily unavailable [%s]", push_id);
5128
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
84 return 503;
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
85 end
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
86 module:log("warn", "Unexpected push error response: %s/%s/%s", e_type, e_cond, e_text);
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
87 return 500;
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
88 end);
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
89 end
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
90
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
91 module:provides("http", {
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
92 name = "push";
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
93 route = {
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
94 ["GET /*"] = function (event)
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
95 event.response.headers.content_type = "application/json";
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
96 return [[{"unifiedpush":{"version":1}}]];
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
97 end;
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
98 ["POST /*"] = handle_push;
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
99 };
7cc0f68b8715 mod_unified_push: Experimenal Unified Push provider
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
100 });