sseS3 := crypto.S3.IsEncrypted(objInfo.UserDefined)
	if !sseKMS && !sseS3 { // neither sse-s3 nor sse-kms disallowed
		return errInvalidEncryptionParameters
	}
	if sseKMS && r.Encryption.Type == sses3 { // previously encrypted with sse-kms, now sse-s3 disallowed
		return errInvalidEncryptionParameters
	}
	versioned := globalBucketVersioningSys.PrefixEnabled(srcBucket, srcObject)

            return false;
        }

        if (!selected.atLeast(getConfig().getMinimumVersion()) || !selected.atMost(getConfig().getMaximumVersion())) {
            log.debug("Server selected an disallowed dialect version {} (min: {} max: {})", selected, getConfig().getMinimumVersion(),
                    getConfig().getMaximumVersion());
            return false;
        }
        this.selectedDialect = selected;

    }

    /**
     * Initializes the disallowed compound operations based on the provided property string.
     *
     * @param prop comma-separated list of operations to disallow in compound requests
     */
    protected void initDisallowCompound(final String prop) {
        if (prop == null) {
            return;
        }
        final Set<String> disallow = new HashSet<>();

	if s3Err != ErrNone {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(s3Err), r.URL)
		return
	}

	checkDenyOnly := name == cred.AccessKey

	if !globalIAMSys.IsAllowed(policy.Args{
		AccountName:     cred.AccessKey,
		Groups:          cred.Groups,
		Action:          policy.GetUserAdminAction,
		ConditionValues: getConditionValues(r, "", cred),
		IsOwner:         owner,

		byPassSet = globalIAMSys.IsAllowed(policy.Args{
			AccountName:     cred.AccessKey,
			Groups:          cred.Groups,
			Action:          policy.BypassGovernanceRetentionAction,
			BucketName:      bucketName,
			ObjectName:      objectName,
			ConditionValues: conditions,
			IsOwner:         owner,
			Claims:          cred.Claims,
		})
	}
	if globalIAMSys.IsAllowed(policy.Args{

	policy, _, err := globalBucketMetadataSys.GetPolicyConfig(bucket)
	return policy, err
}

// IsAllowed - checks given policy args is allowed to continue the Rest API.
func (sys *PolicySys) IsAllowed(args policy.BucketPolicyArgs) bool {
	p, err := sys.Get(args.BucketName)
	if err == nil {
		return p.IsAllowed(args)
	}

	// Log unhandled errors.
	if _, ok := err.(BucketPolicyNotFound); !ok {

	}

	// Sub policy not set, this is most common since subPolicy
	// is optional, use the inherited policies.
	return isOwnerDerived || combinedPolicy.IsAllowed(args)
}

func isAllowedBySessionPolicyForServiceAccount(args policy.Args) (hasSessionPolicy bool, isAllowed bool) {
	hasSessionPolicy = false
	isAllowed = false

		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrInvalidRequest), r.URL)
		return
	}

	// Empty DN list and not self, list access keys for all users
	if isAll {
		if !globalIAMSys.IsAllowed(policy.Args{
			AccountName:     cred.AccessKey,
			Groups:          cred.Groups,
			Action:          policy.ListUsersAdminAction,
			ConditionValues: getConditionValues(r, "", cred),
			IsOwner:         owner,

	readable := globalPolicySys.IsAllowed(policy.BucketPolicyArgs{
		Action:          policy.ListBucketAction,
		BucketName:      bucket,
		ConditionValues: getConditionValues(r, "", auth.AnonymousCredentials),
		IsOwner:         false,
	})

	// Check if anonymous (non-owner) has access to upload objects.
	writable := globalPolicySys.IsAllowed(policy.BucketPolicyArgs{

			//   error.
			// * if you don’t have the s3:ListBucket
			//   permission, Amazon S3 will return an HTTP
			//   status code 403 ("access denied") error.`
			if globalPolicySys.IsAllowed(policy.BucketPolicyArgs{
				Action:          policy.ListBucketAction,
				BucketName:      bucket,
				ConditionValues: getConditionValues(r, "", auth.AnonymousCredentials),
				IsOwner:         false,
			}) {