open-nomad/website/content/api-docs/acl/oidc.mdx
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Co-authored-by: Kendall Strautman <kendallstrautman@gmail.com>
2023-01-25 09:31:14 -08:00

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---
layout: api
page_title: ACL OIDC - HTTP API
description: The /acl/oidc endpoints are used to login via an OIDC provider.
---
# ACL OIDC HTTP API
The `/acl/oidc` endpoints are used to log in to Nomad via an OIDC provider.
## Get an OIDC authentication URL
This endpoint creates a URL which will allow the caller to navigate to their
OIDC provider and log in. The returned string is URL encoded.
| Method | Path | Produces |
| ------ | ----------------------- | ------------------ |
| `POST` | `/v1/acl/oidc/auth-url` | `application/json` |
The table below shows this endpoint's support for
[blocking queries](/nomad/api-docs#blocking-queries) and
[required ACLs](/nomad/api-docs#acls).
| Blocking Queries | ACL Required |
| ---------------- | ------------ |
| `NO` | `none` |
### Parameters
- `AuthMethodName` `(string: <required>)` - The name of the ACL authentication
method to use.
- `RedirectURI` `(string: <required>)` - The URI that the response will be sent
to when authorization is finished. The value must be included within the auth
method's allowed redirect URIs listing.
- `ClientNonce` `(string: <required>)` - A randomly generated string to prevent
replay attacks.
### Sample Payload
```json
{
"AuthMethodName": "auth0",
"RedirectURI": "http://localhost:4649/oidc/callback",
"ClientNonce": "fpSPuaodKevKfDU3IeXb"
}
```
### Sample Request
```shell-session
$ curl \
--request POST \
--data @payload.json \
https://localhost:4646/v1/acl/oidc/auth-url
```
### Sample Response
```json
{
"AuthURL": "https://some-domain.uk.auth0.com/authorize?client_id=4fOYtJiC5fo98EQj2TScs2someclient&nonce=fpSPuaodKevKfDU3IeXb&redirect_uri=http%3A%2F%2Flocalhost%3A4649%2Foidc%2Fcallback&response_type=code&scope=openid&state=st_4i68Nt7FcxDsomestate"
}
```
## Complete OIDC Authentication
This endpoint creates an ACL Role. The request is always forwarded to the
authoritative region.
| Method | Path | Produces |
| ------ | ---------------------------- | ------------------ |
| `POST` | `/v1/acl/oidc/complete-auth` | `application/json` |
The table below shows this endpoint's support for
[blocking queries](/nomad/api-docs#blocking-queries) and
[required ACLs](/nomad/api-docs#acls).
| Blocking Queries | ACL Required |
| ---------------- | ------------ |
| `NO` | `none` |
### Parameters
- `AuthMethodName` `(string: <required>)` - The name of the ACL authentication
method to use and will match that used within the call to generate the URL.
- `RedirectURI` `(string: <required>)` - The URI that the response will be sent
to when authorization is finished. The value must be included within the auth
method's allowed redirect URIs listing.
- `ClientNonce` `(string: <required>)` - A randomly generated string to prevent
replay attacks that will match that used within the call to generate the URL.
- `State` `(string: <required>)` - An opaque value used to maintain state between
the request and the callback.
- `Code` `(string: <required>)` - The authorization code returned from the OIDC
providers authorization endpoint.
### Sample Payload
```json
{
"AuthMethodName": "auth0",
"RedirectURI": "http://localhost:4649/oidc/callback",
"ClientNonce": "fpSPuaodKevKfDU3IeXb",
"State": "st_4i68Nt7FcxDsomestate",
"Code": "SplxlOBeZQQYbYS6WxSbIA"
}
```
### Sample Request
```shell-session
$ curl \
--request POST \
--data @payload.json \
https://localhost:4646/v1/acl/oidc/complete-auth
```
### Sample Response
```json
{
"AccessorID": "cbbc7059-3acf-2ef5-378b-495f5f81f733",
"CreateIndex": 18,
"CreateTime": "2023-01-18T10:53:29.460987Z",
"ExpirationTTL": 600000000000,
"ExpirationTime": "2023-01-18T11:03:29.460987Z",
"Global": true,
"ModifyIndex": 18,
"Name": "OIDC-auth0",
"Policies": [],
"Roles": [
{
"ID": "10b1a678-f71d-d266-2888-8b3e47e317b8",
"Name": "engineering-read"
}
],
"SecretID": "1fce464c-06d1-4020-8564-631c25201ea7",
"Type": "client"
}
```