// Check if the access key is part of users credentials.
		u, ok := globalIAMSys.GetUser(req.Context(), claims.AccessKey)
		if !ok {
			return nil, nil, false, errInvalidAccessKeyID
		}
		ucred := u.Credentials
		// get embedded claims
		eclaims, s3Err := checkClaimsFromToken(req, ucred)
		if s3Err != ErrNone {
			return nil, nil, false, errAuthentication
		}

		maps.Copy(claims.MapClaims, eclaims)

**We recommend setting `policy` as a custom claim for the JWT service provider follow [here](https://docs.wso2.com/display/IS550/Configuring+Claims+for+a+Service+Provider) and [here](https://docs.wso2.com/display/IS550/Handling+Custom+Claims+with+the+JWT+Bearer+Grant+Type) for relevant docs on how to configure claims for a service provider.**

### 5. Setup MinIO with OpenID configuration URL

		_, ok := accessKey.Claims[subClaim]
		if !ok {
			continue // OpenID access keys must have a sub claim
		}
		if (!listSTSKeys && !accessKey.IsServiceAccount()) || (!listServiceAccounts && accessKey.IsServiceAccount()) {
			continue // skip if not the type we want
		}
		arn, ok := accessKey.Claims[roleArnClaim].(string)
		if !ok {
			if _, ok := accessKey.Claims[iamPolicyClaimNameOpenID()]; !ok {

				return cred, false, ErrAccessKeyDisabled
			}
			return cred, false, ErrInvalidAccessKeyID
		}
		cred = u.Credentials
	}

	claims, s3Err := checkClaimsFromToken(r, cred)
	if s3Err != ErrNone {
		return cred, false, s3Err
	}
	cred.Claims = claims

	owner := cred.AccessKey == globalActiveCred.AccessKey || (cred.ParentUser == globalActiveCred.AccessKey && cred.AccessKey != siteReplicatorSvcAcc)

func guessUserProvider(credentials auth.Credentials) string {
	if !credentials.IsServiceAccount() && !credentials.IsTemp() {
		return madmin.BuiltinProvider // regular users are always internal
	}

	claims := credentials.Claims
	if _, ok := claims[ldapUser]; ok {
		return madmin.LDAPProvider // ldap users
	}

	if _, ok := claims[subClaim]; ok {

	Claims             map[string]interface{} `json:"claims"`
}

var tokens map[string]Resp = map[string]Resp{
	"aaa": {
		User:               "Alice",
		MaxValiditySeconds: 3600,
		Claims: map[string]interface{}{
			"groups": []string{"data-science"},
		},
	},
	"bbb": {
		User:               "Bart",
		MaxValiditySeconds: 3600,
		Claims: map[string]interface{}{

transfer and otherwise run, modify and propagate the contents of this
implementation of Go, where such license applies only to those patent
claims, both currently owned or controlled by Google and acquired in
the future, licensable by Google that are necessarily infringed by this
implementation of Go.  This grant does not include claims that would be
infringed only as a consequence of further modification of this

     */
    int CLIENT_UPN_TYPE = 0xC;
    /**
     * Buffer type for client claims information.
     */
    int CLIENT_CLAIMS_TYPE = 0xD;
    /**
     * Buffer type for device information.
     */
    int DEVICE_INFO_TYPE = 0xE;
    /**
     * Buffer type for device claims information.
     */
    int DEVICE_CLAIMS_TYPE = 0xF;

    /**
     * Flag for extra SIDs in logon information.

]}]}} iam-assets/users.json {} iam-assets/groups.json {} iam-assets/svcaccts.json {"bobfisher-svcacct-1":{"parent":"uid=bobfisher,ou=people,ou=hwengg,dc=min,dc=io","accessKey":"bobfisher-svcacct-1","secretKey":"bobfisher-svcacct-1","groups":null,"claims":{"accessKey":"bobfisher-svcacct-1","ldapActualUser":"uid=bobfisher,ou=people,ou=hwengg,dc=min,dc=io","ldapUser":"uid=bobfisher,ou=people,ou=hwengg,dc=min,dc=io","ldapUsername":"bobfisher","parent":"uid=bobfisher,ou=people,ou=hwengg,dc=min,dc=io"...

| maxValiditySeconds | integer (>= 900 seconds and < 365 days) | Maximum allowed expiry duration for the credentials    |
| claims             | key-value pairs                         | Claims to be associated with the requested credentials |

The keys "exp", "parent" and "sub" in the `claims` object are reserved and if present are ignored by MinIO.