Mercurial > prosody-modules

annotate mod_auth_oauth_external/README.md @ 5424:b45d9a81b3da

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
mod_http_oauth2: Revert role selector, going to try something else Back out f2c7bb3af600 Allowing only a single role to be encoded into the grant takes away the possibility of having multiple roles in the grant, one of which is selected when issuing an access token. It also takes away the ability to have zero roles granted, which could be useful e.g. when you only need OIDC scopes.
author Kim Alvefur <zash@zash.se>
date Sun, 07 May 2023 19:40:57 +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]