Mercurial > prosody-modules

annotate mod_rest/mod_rest.lua @ 3802:f88e07630e4e

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
mod_rest: Add support for simple Bearer token auth Token specified in config
author Kim Alvefur <zash@zash.se>
date Tue, 31 Dec 2019 03:37:46 +0100
parents d59fb4dcf100
children dc2b5a412286
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
3794
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1 -- RESTful API
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
2 --
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
3 -- Copyright (c) 2019 Kim Alvefur
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
4 --
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
5 -- This file is MIT/X11 licensed.
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
6
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
7 local errors = require "util.error";
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
8 local http = require "net.http";
3794
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
9 local id = require "util.id";
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
10 local jid = require "util.jid";
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
11 local st = require "util.stanza";
3794
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
12 local xml = require "util.xml";
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
13
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
14 local allow_any_source = module:get_host_type() == "component";
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
15 local validate_from_addresses = module:get_option_boolean("validate_from_addresses", true);
3802
f88e07630e4e mod_rest: Add support for simple Bearer token auth
Kim Alvefur <zash@zash.se>
parents: 3801
diff changeset
16 local secret = assert(module:get_option_string("rest_credentials"), "rest_credentials is a required setting");
f88e07630e4e mod_rest: Add support for simple Bearer token auth
Kim Alvefur <zash@zash.se>
parents: 3801
diff changeset
17 local auth_type = assert(secret:match("^%S+"), "Format of rest_credentials MUST be like 'Bearer secret'");
f88e07630e4e mod_rest: Add support for simple Bearer token auth
Kim Alvefur <zash@zash.se>
parents: 3801
diff changeset
18 assert(auth_type == "Bearer", "Only 'Bearer' is supported in rest_credentials");
f88e07630e4e mod_rest: Add support for simple Bearer token auth
Kim Alvefur <zash@zash.se>
parents: 3801
diff changeset
19
f88e07630e4e mod_rest: Add support for simple Bearer token auth
Kim Alvefur <zash@zash.se>
parents: 3801
diff changeset
20 -- Bearer token
f88e07630e4e mod_rest: Add support for simple Bearer token auth
Kim Alvefur <zash@zash.se>
parents: 3801
diff changeset
21 local function check_credentials(request)
f88e07630e4e mod_rest: Add support for simple Bearer token auth
Kim Alvefur <zash@zash.se>
parents: 3801
diff changeset
22 return request.headers.authorization == secret;
f88e07630e4e mod_rest: Add support for simple Bearer token auth
Kim Alvefur <zash@zash.se>
parents: 3801
diff changeset
23 end
3794
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
24
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
25 local function handle_post(event)
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
26 local request, response = event.request, event.response;
3802
f88e07630e4e mod_rest: Add support for simple Bearer token auth
Kim Alvefur <zash@zash.se>
parents: 3801
diff changeset
27 if not request.headers.authorization then
f88e07630e4e mod_rest: Add support for simple Bearer token auth
Kim Alvefur <zash@zash.se>
parents: 3801
diff changeset
28 response.headers.www_authenticate = ("%s realm=%q"):format(auth_type, module.host.."/"..module.name);
f88e07630e4e mod_rest: Add support for simple Bearer token auth
Kim Alvefur <zash@zash.se>
parents: 3801
diff changeset
29 return 401;
f88e07630e4e mod_rest: Add support for simple Bearer token auth
Kim Alvefur <zash@zash.se>
parents: 3801
diff changeset
30 elseif not check_credentials(request) then
f88e07630e4e mod_rest: Add support for simple Bearer token auth
Kim Alvefur <zash@zash.se>
parents: 3801
diff changeset
31 return 401;
f88e07630e4e mod_rest: Add support for simple Bearer token auth
Kim Alvefur <zash@zash.se>
parents: 3801
diff changeset
32 end
3794
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
33 if request.headers.content_type ~= "application/xmpp+xml" then
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
34 return errors.new({ code = 415, text = "'application/xmpp+xml' expected" });
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
35 end
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
36 local payload, err = xml.parse(request.body);
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
37 if not payload then
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
38 -- parse fail
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
39 return errors.new({ code = 400, text = err });
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
40 end
3801
d59fb4dcf100 mod_rest: Verify that @xmlns is left empty
Kim Alvefur <zash@zash.se>
parents: 3799
diff changeset
41 if payload.attr.xmlns then
d59fb4dcf100 mod_rest: Verify that @xmlns is left empty
Kim Alvefur <zash@zash.se>
parents: 3799
diff changeset
42 return errors.new({ code = 400, text = "'xmlns' attribute must be empty" });
d59fb4dcf100 mod_rest: Verify that @xmlns is left empty
Kim Alvefur <zash@zash.se>
parents: 3799
diff changeset
43 end
3794
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
44 local to = jid.prep(payload.attr.to);
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
45 if not to then
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
46 return errors.new({ code = 400, text = "Invalid destination JID" });
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
47 end
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
48 local from = module.host;
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
49 if allow_any_source and payload.attr.from then
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
50 from = jid.prep(payload.attr.from);
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
51 if not from then
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
52 return errors.new({ code = 400, text = "Invalid source JID" });
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
53 end
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
54 if validate_from_addresses and not jid.compare(from, module.host) then
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
55 return errors.new({ code = 403, text = "Source JID must belong to current host" });
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
56 end
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
57 end
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
58 payload.attr = {
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
59 from = from,
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
60 to = to,
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
61 id = payload.attr.id or id.medium(),
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
62 type = payload.attr.type,
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
63 ["xml:lang"] = payload.attr["xml:lang"],
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
64 };
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
65 if payload.name == "iq" then
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
66 if payload.attr.type ~= "get" and payload.attr.type ~= "set" then
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
67 return errors.new({ code = 400, text = "'iq' stanza must be of type 'get' or 'set'" });
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
68 end
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
69 return module:send_iq(payload):next(
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
70 function (result)
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
71 response.headers.content_type = "application/xmpp+xml";
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
72 return tostring(result.stanza);
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
73 end,
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
74 function (error)
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
75 if error.context.stanza then
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
76 response.headers.content_type = "application/xmpp+xml";
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
77 return tostring(error.context.stanza);
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
78 else
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
79 return error;
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
80 end
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
81 end);
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
82 elseif payload.name == "message" or payload.name == "presence" then
3796
d1ad10b76b00 mod_rest: Catch one (1) reply to a POST-ed stanza from an internal source
Kim Alvefur <zash@zash.se>
parents: 3795
diff changeset
83 local origin = {};
d1ad10b76b00 mod_rest: Catch one (1) reply to a POST-ed stanza from an internal source
Kim Alvefur <zash@zash.se>
parents: 3795
diff changeset
84 function origin.send(stanza)
d1ad10b76b00 mod_rest: Catch one (1) reply to a POST-ed stanza from an internal source
Kim Alvefur <zash@zash.se>
parents: 3795
diff changeset
85 response:send(tostring(stanza));
d1ad10b76b00 mod_rest: Catch one (1) reply to a POST-ed stanza from an internal source
Kim Alvefur <zash@zash.se>
parents: 3795
diff changeset
86 return true;
d1ad10b76b00 mod_rest: Catch one (1) reply to a POST-ed stanza from an internal source
Kim Alvefur <zash@zash.se>
parents: 3795
diff changeset
87 end
d1ad10b76b00 mod_rest: Catch one (1) reply to a POST-ed stanza from an internal source
Kim Alvefur <zash@zash.se>
parents: 3795
diff changeset
88 response.headers.content_type = "application/xmpp+xml";
d1ad10b76b00 mod_rest: Catch one (1) reply to a POST-ed stanza from an internal source
Kim Alvefur <zash@zash.se>
parents: 3795
diff changeset
89 if module:send(payload, origin) then
3794
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
90 return 202;
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
91 else
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
92 return 500;
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
93 end
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
94 else
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
95 return errors.new({ code = 400, text = "Invalid stanza, must be 'message', 'presence' or 'iq'." });
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
96 end
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
97 end
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
98
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
99 -- Handle stanzas submitted via HTTP
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
100 module:depends("http");
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
101 module:provides("http", {
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
102 route = {
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
103 POST = handle_post;
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
104 };
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
105 });
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
106
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
107 -- Forward stanzas from XMPP to HTTP and return any reply
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
108 local rest_url = module:get_option_string("rest_callback_url", nil);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
109 if rest_url then
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
110
3797
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
111 local code2err = {
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
112 [400] = { condition = "bad-request"; type = "modify" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
113 [401] = { condition = "not-authorized"; type = "auth" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
114 [402] = { condition = "not-authorized"; type = "auth" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
115 [403] = { condition = "forbidden"; type = "auth" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
116 [404] = { condition = "item-not-found"; type = "cancel" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
117 [406] = { condition = "not-acceptable"; type = "modify" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
118 [408] = { condition = "remote-server-timeout"; type = "wait" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
119 [409] = { condition = "conflict"; type = "cancel" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
120 [410] = { condition = "gone"; type = "cancel" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
121 [411] = { condition = "bad-request"; type = "modify" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
122 [412] = { condition = "bad-request"; type = "modify" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
123 [413] = { condition = "resource-constraint"; type = "modify" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
124 [414] = { condition = "resource-constraint"; type = "modify" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
125 [415] = { condition = "bad-request"; type = "modify" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
126 [429] = { condition = "resource-constraint"; type = "wait" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
127 [431] = { condition = "resource-constraint"; type = "wait" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
128
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
129 [500] = { condition = "internal-server-error"; type = "cancel" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
130 [501] = { condition = "feature-not-implemented"; type = "modify" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
131 [502] = { condition = "remote-server-timeout"; type = "wait" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
132 [503] = { condition = "service-unavailable"; type = "cancel" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
133 [504] = { condition = "remote-server-timeout"; type = "wait" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
134 [507] = { condition = "resource-constraint"; type = "wait" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
135 };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
136
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
137 local function handle_stanza(event)
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
138 local stanza, origin = event.stanza, event.origin;
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
139 local reply_needed = stanza.name == "iq";
3798
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
140 local receipt;
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
141
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
142 if stanza.name == "message" and stanza.attr.id and stanza:get_child("urn:xmpp:receipts", "request") then
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
143 reply_needed = true;
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
144 receipt = st.stanza("received", { xmlns = "urn:xmpp:receipts", id = stanza.id });
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
145 end
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
146
3799
a1f1f703d604 mod_rest: Allow collection of original stanza after sending HTTP request
Kim Alvefur <zash@zash.se>
parents: 3798
diff changeset
147 local request_body = tostring(stanza);
a1f1f703d604 mod_rest: Allow collection of original stanza after sending HTTP request
Kim Alvefur <zash@zash.se>
parents: 3798
diff changeset
148
a1f1f703d604 mod_rest: Allow collection of original stanza after sending HTTP request
Kim Alvefur <zash@zash.se>
parents: 3798
diff changeset
149 -- Keep only the top level element and let the rest be GC'd
a1f1f703d604 mod_rest: Allow collection of original stanza after sending HTTP request
Kim Alvefur <zash@zash.se>
parents: 3798
diff changeset
150 stanza = st.clone(stanza, true);
a1f1f703d604 mod_rest: Allow collection of original stanza after sending HTTP request
Kim Alvefur <zash@zash.se>
parents: 3798
diff changeset
151
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
152 http.request(rest_url, {
3799
a1f1f703d604 mod_rest: Allow collection of original stanza after sending HTTP request
Kim Alvefur <zash@zash.se>
parents: 3798
diff changeset
153 body = request_body,
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
154 headers = {
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
155 ["Content-Type"] = "application/xmpp+xml",
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
156 ["Content-Language"] = stanza.attr["xml:lang"],
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
157 Accept = "application/xmpp+xml, text/plain",
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
158 },
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
159 }, function (body, code, response)
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
160 if (code == 202 or code == 204) and not reply_needed then
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
161 -- Delivered, no reply
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
162 return;
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
163 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
164 local reply, reply_text;
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
165
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
166 if response.headers["content-type"] == "application/xmpp+xml" then
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
167 local parsed, err = xml.parse(body);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
168 if not parsed then
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
169 module:log("warn", "REST callback responded with invalid XML: %s, %q", err, body);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
170 elseif parsed.name ~= stanza.name then
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
171 module:log("warn", "REST callback responded with the wrong stanza type, got %s but expected %s", parsed.name, stanza.name);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
172 else
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
173 parsed.attr.to, parsed.attr.from = stanza.attr.from, stanza.attr.to;
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
174 if parsed.name == "iq" then
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
175 parsed.attr.id = stanza.attr.id;
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
176 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
177 reply = parsed;
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
178 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
179 elseif response.headers["content-type"] == "text/plain" then
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
180 reply = st.reply(stanza);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
181 if body ~= "" then
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
182 reply_text = body;
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
183 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
184 elseif body ~= "" then -- ignore empty body
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
185 module:log("debug", "Callback returned response of unhandled type %q", response.headers["content-type"]);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
186 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
187
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
188 if not reply then
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
189 local code_hundreds = code - (code % 100);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
190 if code_hundreds == 200 then
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
191 reply = st.reply(stanza);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
192 if stanza.name ~= "iq" then
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
193 reply.attr.id = id.medium();
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
194 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
195 if reply_text and reply.name == "message" then
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
196 reply:body(reply_text, { ["xml:lang"] = response.headers["content-language"] });
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
197 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
198 -- TODO presence/status=body ?
3797
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
199 elseif code2err[code] then
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
200 reply = st.error_reply(stanza, errors.new(code, nil, code2err));
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
201 elseif code_hundreds == 400 then
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
202 reply = st.error_reply(stanza, "modify", "bad-request", reply_text);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
203 elseif code_hundreds == 500 then
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
204 reply = st.error_reply(stanza, "cancel", "internal-server-error", reply_text);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
205 else
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
206 reply = st.error_reply(stanza, "cancel", "undefined-condition", reply_text);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
207 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
208 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
209
3798
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
210 if receipt then
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
211 reply:add_direct_child(receipt);
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
212 end
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
213
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
214 origin.send(reply);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
215 end);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
216
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
217 return true;
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
218 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
219
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
220 if module:get_host_type() == "component" then
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
221 module:hook("iq/bare", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
222 module:hook("message/bare", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
223 module:hook("presence/bare", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
224 module:hook("iq/full", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
225 module:hook("message/full", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
226 module:hook("presence/full", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
227 module:hook("iq/host", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
228 module:hook("message/host", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
229 module:hook("presence/host", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
230 else
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
231 -- Don't override everything on normal VirtualHosts
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
232 module:hook("iq/host", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
233 module:hook("message/host", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
234 module:hook("presence/host", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
235 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
236 end