Mercurial > prosody-modules

annotate mod_auth_oauth_external/README.md @ 5394:434ee49b04de

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
mod_http_oauth2: Allow loopback IP literals in redirect URIs Previously only exactly "http://localhost" was allowed, but RFC 8252 seems to recommend both ::1 and 127.0.0.1 be allowed.
author Kim Alvefur <zash@zash.se>
date Sun, 30 Apr 2023 17:16:47 +0200
parents ac9710126e1a
children 92ad8f03f225
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
5344
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1 ---
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
2 summary: Authenticate against an external OAuth 2 IdP
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
3 labels:
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
4 - Stage-Alpha
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
5 ---
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
6
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
7 This module provides external authentication via an external [AOuth
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
8 2](https://datatracker.ietf.org/doc/html/rfc7628) authorization server
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
9 and supports the [SASL OAUTHBEARER authentication][rfc7628]
5345
3390bb2f9f6c mod_auth_oauth_external: Support PLAIN via resource owner password grant
Kim Alvefur <zash@zash.se>
parents: 5344
diff changeset
10 mechanism as well as PLAIN for legacy clients (this is all of them).
5344
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
11
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
12 # How it works
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
13
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
14 Clients retrieve tokens somehow, then show them to Prosody, which asks
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
15 the Authorization server to validate them, returning info about the user
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
16 back to Prosody.
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
17
5345
3390bb2f9f6c mod_auth_oauth_external: Support PLAIN via resource owner password grant
Kim Alvefur <zash@zash.se>
parents: 5344
diff changeset
18 Alternatively for legacy clients, Prosody receives the users username
3390bb2f9f6c mod_auth_oauth_external: Support PLAIN via resource owner password grant
Kim Alvefur <zash@zash.se>
parents: 5344
diff changeset
19 and password and retrieves a token itself, then proceeds as above.
3390bb2f9f6c mod_auth_oauth_external: Support PLAIN via resource owner password grant
Kim Alvefur <zash@zash.se>
parents: 5344
diff changeset
20
5344
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
21 # Configuration
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
22
5349
ac9710126e1a mod_auth_oauth_external: Add configuration example
Kim Alvefur <zash@zash.se>
parents: 5348
diff changeset
23 ## Example
ac9710126e1a mod_auth_oauth_external: Add configuration example
Kim Alvefur <zash@zash.se>
parents: 5348
diff changeset
24
ac9710126e1a mod_auth_oauth_external: Add configuration example
Kim Alvefur <zash@zash.se>
parents: 5348
diff changeset
25 ```lua
ac9710126e1a mod_auth_oauth_external: Add configuration example
Kim Alvefur <zash@zash.se>
parents: 5348
diff changeset
26 -- authentication = "oauth_external"
ac9710126e1a mod_auth_oauth_external: Add configuration example
Kim Alvefur <zash@zash.se>
parents: 5348
diff changeset
27
ac9710126e1a mod_auth_oauth_external: Add configuration example
Kim Alvefur <zash@zash.se>
parents: 5348
diff changeset
28 oauth_external_discovery_url = "https//auth.example.com/auth/realms/TheRealm/.well-known/openid-configuration"
ac9710126e1a mod_auth_oauth_external: Add configuration example
Kim Alvefur <zash@zash.se>
parents: 5348
diff changeset
29 oauth_external_token_endpoint = "https//auth.example.com/auth/realms/TheRealm/protocol/openid-connect/token"
ac9710126e1a mod_auth_oauth_external: Add configuration example
Kim Alvefur <zash@zash.se>
parents: 5348
diff changeset
30 oauth_external_validation_endpoint = "https//auth.example.com/auth/realms/TheRealm/protocol/openid-connect/userinfo"
ac9710126e1a mod_auth_oauth_external: Add configuration example
Kim Alvefur <zash@zash.se>
parents: 5348
diff changeset
31 oauth_external_username_field = "xmpp_username"
ac9710126e1a mod_auth_oauth_external: Add configuration example
Kim Alvefur <zash@zash.se>
parents: 5348
diff changeset
32 ```
ac9710126e1a mod_auth_oauth_external: Add configuration example
Kim Alvefur <zash@zash.se>
parents: 5348
diff changeset
33
ac9710126e1a mod_auth_oauth_external: Add configuration example
Kim Alvefur <zash@zash.se>
parents: 5348
diff changeset
34
ac9710126e1a mod_auth_oauth_external: Add configuration example
Kim Alvefur <zash@zash.se>
parents: 5348
diff changeset
35 ## Common
ac9710126e1a mod_auth_oauth_external: Add configuration example
Kim Alvefur <zash@zash.se>
parents: 5348
diff changeset
36
5346
d9bc8712a745 mod_auth_oauth_external: Allow setting identity instead of discovery URL
Kim Alvefur <zash@zash.se>
parents: 5345
diff changeset
37 `oauth_external_issuer`
d9bc8712a745 mod_auth_oauth_external: Allow setting identity instead of discovery URL
Kim Alvefur <zash@zash.se>
parents: 5345
diff changeset
38 : Optional URL string representing the Authorization server identity.
d9bc8712a745 mod_auth_oauth_external: Allow setting identity instead of discovery URL
Kim Alvefur <zash@zash.se>
parents: 5345
diff changeset
39
5344
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
40 `oauth_external_discovery_url`
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
41 : Optional URL string pointing to [OAuth 2.0 Authorization Server
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
42 Metadata](https://oauth.net/2/authorization-server-metadata/). Lets
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
43 clients discover where they should retrieve access tokens from if
5346
d9bc8712a745 mod_auth_oauth_external: Allow setting identity instead of discovery URL
Kim Alvefur <zash@zash.se>
parents: 5345
diff changeset
44 they don't have one yet. Default based on `oauth_external_issuer` is
d9bc8712a745 mod_auth_oauth_external: Allow setting identity instead of discovery URL
Kim Alvefur <zash@zash.se>
parents: 5345
diff changeset
45 set, otherwise empty.
5344
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
46
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
47 `oauth_external_validation_endpoint`
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
48 : URL string. The token validation endpoint, should validate the token
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
49 and return a JSON structure containing the username of the user
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
50 logging in the field specified by `oauth_external_username_field`.
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
51 Commonly the [OpenID `UserInfo`
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
52 endpoint](https://openid.net/specs/openid-connect-core-1_0.html#UserInfo)
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
53
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
54 `oauth_external_username_field`
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
55 : String. Default is `"preferred_username"`. Field in the JSON
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
56 structure returned by the validation endpoint that contains the XMPP
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
57 localpart.
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
58
5345
3390bb2f9f6c mod_auth_oauth_external: Support PLAIN via resource owner password grant
Kim Alvefur <zash@zash.se>
parents: 5344
diff changeset
59 ## For SASL PLAIN
3390bb2f9f6c mod_auth_oauth_external: Support PLAIN via resource owner password grant
Kim Alvefur <zash@zash.se>
parents: 5344
diff changeset
60
3390bb2f9f6c mod_auth_oauth_external: Support PLAIN via resource owner password grant
Kim Alvefur <zash@zash.se>
parents: 5344
diff changeset
61 `oauth_external_resource_owner_password`
3390bb2f9f6c mod_auth_oauth_external: Support PLAIN via resource owner password grant
Kim Alvefur <zash@zash.se>
parents: 5344
diff changeset
62 : Boolean. Defaults to `true`. Whether to allow the *insecure*
5348
ff539f34769f mod_auth_oauth_external: Linkify password grant
Kim Alvefur <zash@zash.se>
parents: 5347
diff changeset
63 [resource owner password
ff539f34769f mod_auth_oauth_external: Linkify password grant
Kim Alvefur <zash@zash.se>
parents: 5347
diff changeset
64 grant](https://oauth.net/2/grant-types/password/) and SASL PLAIN.
5345
3390bb2f9f6c mod_auth_oauth_external: Support PLAIN via resource owner password grant
Kim Alvefur <zash@zash.se>
parents: 5344
diff changeset
65
3390bb2f9f6c mod_auth_oauth_external: Support PLAIN via resource owner password grant
Kim Alvefur <zash@zash.se>
parents: 5344
diff changeset
66 `oauth_external_token_endpoint`
3390bb2f9f6c mod_auth_oauth_external: Support PLAIN via resource owner password grant
Kim Alvefur <zash@zash.se>
parents: 5344
diff changeset
67 : URL string. OAuth 2 [Token
3390bb2f9f6c mod_auth_oauth_external: Support PLAIN via resource owner password grant
Kim Alvefur <zash@zash.se>
parents: 5344
diff changeset
68 Endpoint](https://www.rfc-editor.org/rfc/rfc6749#section-3.2) used
3390bb2f9f6c mod_auth_oauth_external: Support PLAIN via resource owner password grant
Kim Alvefur <zash@zash.se>
parents: 5344
diff changeset
69 to retrieve token in order to then retrieve the username.
3390bb2f9f6c mod_auth_oauth_external: Support PLAIN via resource owner password grant
Kim Alvefur <zash@zash.se>
parents: 5344
diff changeset
70
3390bb2f9f6c mod_auth_oauth_external: Support PLAIN via resource owner password grant
Kim Alvefur <zash@zash.se>
parents: 5344
diff changeset
71 `oauth_external_client_id`
3390bb2f9f6c mod_auth_oauth_external: Support PLAIN via resource owner password grant
Kim Alvefur <zash@zash.se>
parents: 5344
diff changeset
72 : String. Client ID used to identify Prosody during the resource owner
3390bb2f9f6c mod_auth_oauth_external: Support PLAIN via resource owner password grant
Kim Alvefur <zash@zash.se>
parents: 5344
diff changeset
73 password grant.
3390bb2f9f6c mod_auth_oauth_external: Support PLAIN via resource owner password grant
Kim Alvefur <zash@zash.se>
parents: 5344
diff changeset
74
5344
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
75 # Compatibility
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
76
5347
a0074038696f mod_auth_oauth_external: Some notes in README
Kim Alvefur <zash@zash.se>
parents: 5346
diff changeset
77 ## Prosody
a0074038696f mod_auth_oauth_external: Some notes in README
Kim Alvefur <zash@zash.se>
parents: 5346
diff changeset
78
5344
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
79 Version Status
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
80 --------- ---------------
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
81 trunk works
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
82 0.12.x does not work
0a6d2b79a8bf mod_auth_oauth_external: Authenticate against an OAuth 2 provider
Kim Alvefur <zash@zash.se>
parents:
diff changeset
83 0.11.x does not work
5347
a0074038696f mod_auth_oauth_external: Some notes in README
Kim Alvefur <zash@zash.se>
parents: 5346
diff changeset
84
a0074038696f mod_auth_oauth_external: Some notes in README
Kim Alvefur <zash@zash.se>
parents: 5346
diff changeset
85 ## Identity Provider
a0074038696f mod_auth_oauth_external: Some notes in README
Kim Alvefur <zash@zash.se>
parents: 5346
diff changeset
86
a0074038696f mod_auth_oauth_external: Some notes in README
Kim Alvefur <zash@zash.se>
parents: 5346
diff changeset
87 Tested with
a0074038696f mod_auth_oauth_external: Some notes in README
Kim Alvefur <zash@zash.se>
parents: 5346
diff changeset
88
a0074038696f mod_auth_oauth_external: Some notes in README
Kim Alvefur <zash@zash.se>
parents: 5346
diff changeset
89 - [KeyCloak](https://www.keycloak.org/)
a0074038696f mod_auth_oauth_external: Some notes in README
Kim Alvefur <zash@zash.se>
parents: 5346
diff changeset
90
a0074038696f mod_auth_oauth_external: Some notes in README
Kim Alvefur <zash@zash.se>
parents: 5346
diff changeset
91 # Future work
a0074038696f mod_auth_oauth_external: Some notes in README
Kim Alvefur <zash@zash.se>
parents: 5346
diff changeset
92
a0074038696f mod_auth_oauth_external: Some notes in README
Kim Alvefur <zash@zash.se>
parents: 5346
diff changeset
93 - Automatically discover endpoints from Discovery URL
a0074038696f mod_auth_oauth_external: Some notes in README
Kim Alvefur <zash@zash.se>
parents: 5346
diff changeset
94 - Configurable input username mapping (e.g. user → user@host).
a0074038696f mod_auth_oauth_external: Some notes in README
Kim Alvefur <zash@zash.se>
parents: 5346
diff changeset
95 - [SCRAM over HTTP?!][rfc7804]