// metadata map
	claims[expClaim] = UTCNow().Add(time.Duration(expiry) * time.Second).Unix()
	claims[subClaim] = parentUser
	claims[roleArnClaim] = roleArn.String()
	claims[parentClaim] = parentUser

	// Add all other claims from the plugin **without** replacing any
	// existing claims.
	for k, v := range res.Success.Claims {
		if _, ok := claims[k]; !ok {
			claims[k] = v
		}
	}

func authenticateNode(accessKey, secretKey, audience string) (string, error) {
	claims := xjwt.NewStandardClaims()
	claims.SetExpiry(UTCNow().Add(defaultInterNodeJWTExpiry))
	claims.SetAccessKey(accessKey)
	claims.SetAudience(audience)

	jwt := jwtgo.NewWithClaims(jwtgo.SigningMethodHS512, claims)
	return jwt.SignedString([]byte(secretKey))
}

// Check if the request is authenticated.

		return token
	}
	return r.Form.Get(xhttp.AmzSecurityToken)
}

// Fetch claims in the security token returned by the client, doesn't return
// errors - upon errors the returned claims map will be empty.
func mustGetClaimsFromToken(r *http.Request) map[string]interface{} {
	claims, _ := getClaimsFromToken(getSessionToken(r))
	return claims
}

	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{}{

	xjwt "github.com/minio/minio/internal/jwt"
)

func getTokenString(accessKey, secretKey string) (string, error) {
	claims := xjwt.NewMapClaims()
	claims.SetExpiry(UTCNow().Add(defaultJWTExpiry))
	claims.SetAccessKey(accessKey)
	token := jwtgo.NewWithClaims(jwtgo.SigningMethodHS512, claims)
	return token.SignedString([]byte(secretKey))
}

// Tests web request authenticator.
func TestWebRequestAuthenticate(t *testing.T) {

		{time.Duration(3) * time.Minute, "900", false},
	}

	for _, testCase := range testCases {
		testCase := testCase
		t.Run("", func(t *testing.T) {
			claims := map[string]interface{}{}
			claims["exp"] = testCase.exp
			err := updateClaimsExpiry(testCase.dsecs, claims)
			if err != nil && !testCase.expectedFailure {
				t.Errorf("Expected success, got failure %s", err)
			}
			if err == nil && testCase.expectedFailure {

			writeErrorResponseJSON(ctx, w, APIErr, r.URL)
			return
		}

		// In case of LDAP/OIDC we need to set `opts.claims` to ensure
		// it is associated with the LDAP/OIDC user properly.
		for k, v := range cred.Claims {
			if k == expClaim {
				continue
			}
			opts.claims[k] = v
		}
	} else {
		// We still need to ensure that the target user is a valid LDAP user.
		//

	// JWT specific values
	//
	// Add all string claims
	for k, v := range claims {
		vStr, ok := v.(string)
		if ok {
			// Trim any LDAP specific prefix
			args[strings.ToLower(strings.TrimPrefix(k, "ldap"))] = []string{vStr}
		}
	}

	// Add groups claim which could be a list. This will ensure that the claim
	// `jwt:groups` works.
	if grpsVal, ok := claims["groups"]; ok {

		return ""
	}
	return p.roleArn.String()
}

// UserInfo returns claims for authenticated user from userInfo endpoint.
//
// Some OIDC implementations such as GitLab do not support
// claims as part of the normal oauth2 flow, instead rely
// on service providers making calls to IDP to fetch additional
// claims available from the UserInfo endpoint

		// In case of LDAP/OIDC we need to set `opts.claims` to ensure
		// it is associated with the LDAP/OIDC user properly.
		for k, v := range cred.Claims {
			if k == expClaim {
				continue
			}
			opts.claims[k] = v
		}
	} else if globalIAMSys.LDAPConfig.Enabled() {
		// In case of LDAP we need to resolve the targetUser to a DN and
		// query their groups:
		opts.claims[ldapUserN] = targetUser // simple username