writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, err)
		return
	}

	claims[expClaim] = UTCNow().Add(expiryDur).Unix()
	claims[ldapUser] = ldapUserDN
	claims[ldapActualUser] = ldapActualUserDN
	claims[ldapUserN] = ldapUsername
	// Add lookup up LDAP attributes as claims.
	for attrib, value := range lookupResult.Attributes {
		claims[ldapAttribPrefix+attrib] = value
	}
	tokenRevokeType := r.Form.Get(stsRevokeTokenType)

		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]any {
	claims, _ := getClaimsFromToken(getSessionToken(r))
	return claims
}

func getClaimsFromTokenWithSecret(token, secret string) (*xjwt.MapClaims, error) {

			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.
		//

	return jwt.SignedString([]byte(tokenSecret))
}

// ExtractClaims extracts JWT claims from a security token using a secret key
func ExtractClaims(token, secretKey string) (*jwt.MapClaims, error) {
	if token == "" || secretKey == "" {
		return nil, errors.New("invalid argument")
	}

	claims := jwt.NewMapClaims()
	stsTokenCallback := func(claims *jwt.MapClaims) ([]byte, error) {
		return []byte(secretKey), nil
	}

		return jwtgo.ErrSignatureInvalid
	}
	borrow.ReturnAll()

	if claims.AccessKey == "" && claims.Subject == "" {
		return jwtgo.NewValidationError("accessKey/sub missing",
			jwtgo.ValidationErrorClaimsInvalid)
	}

	// Signature is valid, lets validate the claims for
	// other fields such as expiry etc.
	return claims.Valid()
}

	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		tc, ok := r.Context().Value(mcontext.ContextTraceKey).(*mcontext.TraceCtxt)

		claims, groups, owner, authErr := metricsRequestAuthenticate(r)
		if authErr != nil || (claims != nil && !claims.VerifyIssuer("prometheus", true)) {
			if ok {
				tc.FuncName = "handler.MetricsAuth"
				tc.ResponseRecorder.LogErrBody = true
			}

Contributor. If that Commercial Contributor then makes performance
claims, or offers warranties related to Product X, those performance
claims and warranties are such Commercial Contributor's responsibility
alone. Under this section, the Commercial Contributor would have to
defend claims against the other Contributors related to those performance
claims and warranties, and if a court requires any other Contributor to

			if err != nil {
				return nil, err
			}
			claims := make(map[string]any)
			claims[expClaim] = UTCNow().Add(expiryDur).Unix()

			claims[ldapUser] = lookupResult.NormDN
			claims[ldapActualUser] = lookupResult.ActualDN
			claims[ldapUserN] = ctx.Sess.LoginUser()

			// Add LDAP attributes that were looked up into the claims.
			for attribKey, attribValue := range lookupResult.Attributes {

	if err != nil {
		return nil, err
	}

	claims[expClaim] = UTCNow().Add(expiryDur).Unix()
	claims[ldapUserN] = user
	claims[ldapUser] = lookupResult.NormDN

	cred, err := auth.GetNewCredentialsWithMetadata(claims, globalActiveCred.SecretKey)
	if err != nil {
		return nil, err
	}

	// Set the parent of the temporary access key, this is useful

that Commercial Contributor then makes performance claims, or offers warranties
related to Product X, those performance claims and warranties are such Commercial
Contributor's responsibility alone. Under this section, the Commercial Contributor
would have to defend claims against the other Contributors related to those
performance claims and warranties, and if a court requires any other Contributor