prosody-modules
dc2b5a412286
mod_rest/README.markdown

Find changesets by keywords by author, files, the commit message, revision number or hash, or revset expression.

Software / code / prosody-modules

Annotate

mod_rest/README.markdown @ 3803:dc2b5a412286

mod_rest: Log sent and received stanzas in style of mod_c2s etc
author Kim Alvefur <zash@zash.se>
date Wed, 01 Jan 2020 05:36:09 +0100
parent 3802:f88e07630e4e
child 3808:02164f8aebac
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 ---
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
2 labels:
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
3 - 'Stage-Alpha'
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
4 summary: RESTful XMPP API
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
5 ---
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 # Introduction
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
8
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
9 This is yet another RESTful API for sending and receiving stanzas via
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
10 Prosody. It can be used to build bots and components implemented as HTTP
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
11 services.
3794
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
12
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
13 # Usage
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
14
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
15 ## Enabling
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
16
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
17 ``` {.lua}
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
18 Component "rest.example.net" "rest"
3802
f88e07630e4e mod_rest: Add support for simple Bearer token auth
Kim Alvefur <zash@zash.se>
parents: 3801
diff changeset
19 rest_credentials = "Bearer dmVyeSBzZWNyZXQgdG9rZW4K"
3794
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
20 ```
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
21
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
22 ## Sending stanzas
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
23
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
24 The API endpoint becomes available at the path `/rest`, so the full URL
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
25 will be something like `https://your-prosody.example:5281/rest`.
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
26
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
27 To try it, simply `curl` an XML stanza payload:
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
28
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
29 ``` {.sh}
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
30 curl https://prosody.example:5281/rest \
3802
f88e07630e4e mod_rest: Add support for simple Bearer token auth
Kim Alvefur <zash@zash.se>
parents: 3801
diff changeset
31 --oauth2-bearer dmVyeSBzZWNyZXQgdG9rZW4K \
3794
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
32 -H 'Content-Type: application/xmpp+xml' \
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
33 --data-binary '<message type="chat" to="user@example.org">
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
34 <body>Hello!</body>
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
35 </body>'
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
36 ```
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
37
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
38 The `Content-Type` **MUST** be `application/xmpp+xml`.
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
39
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
40 ### Replies
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
41
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
42 A POST containing an `<iq>` stanza automatically wait for the reply,
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
43 long-polling style.
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
44
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
45 ``` {.sh}
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
46 curl https://prosody.example:5281/rest \
3802
f88e07630e4e mod_rest: Add support for simple Bearer token auth
Kim Alvefur <zash@zash.se>
parents: 3801
diff changeset
47 --oauth2-bearer dmVyeSBzZWNyZXQgdG9rZW4K \
3794
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
48 -H 'Content-Type: application/xmpp+xml' \
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
49 --data-binary '<iq type="get" to="example.net">
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
50 <ping xmlns="urn:xmpp:ping"/>
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
51 </iq>'
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
52 ```
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
53
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
54 Replies to other kinds of stanzas that are generated by the same Prosody
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
55 instance *MAY* be returned in the HTTP response. Replies from other
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
56 entities (connected clients or remote servers) will not be returned, but
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
57 can be forwarded via the callback API described in the next section.
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
58
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
59 ## Receiving stanzas
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
60
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
61 TL;DR: Set this webhook callback URL, get XML `POST`-ed there.
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
62
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
63 ``` {.lua}
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
64 Component "rest.example.net" "rest"
3802
f88e07630e4e mod_rest: Add support for simple Bearer token auth
Kim Alvefur <zash@zash.se>
parents: 3801
diff changeset
65 rest_credentials = "Bearer dmVyeSBzZWNyZXQgdG9rZW4K"
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
66 rest_callback_url = "http://my-api.example:9999/stanzas"
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
67 ```
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
68
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
69 Example callback looks like:
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
70
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
71 ``` {.xml}
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
72 POST /stanzas HTTP/1.1
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
73 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
74 Content-Length: 52
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
75
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
76 <message to="bot@rest.example.net" from="user@example.com" type="chat">
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
77 <body>Hello</body>
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
78 </message>
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
79 ```
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
80
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
81 ### Replying
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
82
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
83 To accept the stanza without returning a reply, respond with HTTP status
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
84 code `202` or `204`.
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
85
3797
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
86 HTTP status codes in the `4xx` and `5xx` range are mapped to an
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
87 appropriate stanza error.
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
88
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
89 For full control over the response, set the `Content-Type` header to
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
90 `application/xmpp+xml` and return an XMPP stanza as an XML snippet.
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
91
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
92 ``` {.xml}
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
93 HTTP/1.1 200 Ok
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
94 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
95
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
96 <message type="chat">
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
97 <body>Yes, this is bot</body>
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
98 </message>
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
99 ```
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
100
3800
cfa00eea896f mod_rest: Add some text about the payload format
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
101 ## Payload format
cfa00eea896f mod_rest: Add some text about the payload format
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
102
cfa00eea896f mod_rest: Add some text about the payload format
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
103 ``` {.xml}
cfa00eea896f mod_rest: Add some text about the payload format
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
104 <message type="" id="" to="" from="" xml:lang="">
cfa00eea896f mod_rest: Add some text about the payload format
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
105 ...
cfa00eea896f mod_rest: Add some text about the payload format
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
106 </message>
cfa00eea896f mod_rest: Add some text about the payload format
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
107 ```
cfa00eea896f mod_rest: Add some text about the payload format
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
108
cfa00eea896f mod_rest: Add some text about the payload format
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
109 An XML declaration (`<?xml?>`) **MUST NOT** be included.
cfa00eea896f mod_rest: Add some text about the payload format
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
110
cfa00eea896f mod_rest: Add some text about the payload format
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
111 The payload MUST contain one (1) `message`, `presence` or `iq` stanza.
cfa00eea896f mod_rest: Add some text about the payload format
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
112
3801
d59fb4dcf100 mod_rest: Verify that @xmlns is left empty
Kim Alvefur <zash@zash.se>
parents: 3800
diff changeset
113 The stanzas MUST NOT have an `xmlns` attribute, and the default/empty
d59fb4dcf100 mod_rest: Verify that @xmlns is left empty
Kim Alvefur <zash@zash.se>
parents: 3800
diff changeset
114 namespace is treated as `jabber:client`.
d59fb4dcf100 mod_rest: Verify that @xmlns is left empty
Kim Alvefur <zash@zash.se>
parents: 3800
diff changeset
115
3794
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
116 # Compatibility
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
117
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
118 Requires Prosody trunk / 0.12