}

// Supported Amz date headers.
var amzDateHeaders = []string{
	// Do not change this order, x-amz-date value should be
	// validated first.
	"x-amz-date",
	"date",
}

// parseAmzDateHeader - parses supported amz date headers, in
// supported amz date formats.
func parseAmzDateHeader(req *http.Request) (time.Time, APIErrorCode) {
	for _, amzDateHeader := range amzDateHeaders {

}

// FilterTargetArns returns a slice of distinct target arns in the config
func (c Config) FilterTargetArns(obj ObjectOpts) []string {
	var arns []string

	tgtsMap := make(map[string]struct{})
	rules := c.FilterActionableRules(obj)
	for _, rule := range rules {
		if rule.Status == Disabled {
			continue
		}
		if c.RoleArn != "" {
			arns = append(arns, c.RoleArn) // use legacy RoleArn if present
			return arns

	// Return only true if the SSE header is specified and does not contain the SSE-KMS value
	return ok && !strings.EqualFold(h.Get(xhttp.AmzServerSideEncryption), xhttp.AmzEncryptionKMS)
}

// ParseHTTP parses the SSE-S3 related HTTP headers and checks
// whether they contain valid values.
func (sses3) ParseHTTP(h http.Header) error {
	if h.Get(xhttp.AmzServerSideEncryption) != xhttp.AmzEncryptionAES {

			if strings.Contains(err.Error(), "User DN not found for") {
				return "", nil
			}
			return "", fmt.Errorf("Unable to find user DN: %w", err)
		}
		return bindDN, nil
	}

	// Since the username parses as a valid DN, check that it exists and is
	// under a configured base DN in the LDAP directory.
	validDN, isUnderBaseDN, err := l.GetValidatedUserDN(conn, username)
	if err == nil && !isUnderBaseDN {

		if paddinglen == 0 {
			seq = append(seq, fmt.Sprintf("%d", i))
		} else {
			seq = append(seq, fmt.Sprintf(fmt.Sprintf("%%0%dd", paddinglen), i))
		}
	}
	return seq
}

// Test tests parses endpoint ellipses input pattern.
func TestParseEndpointSet(t *testing.T) {
	testCases := []struct {
		arg     string
		es      endpointSet
		success bool
	}{
		// Tests invalid inputs.
		{
			"...",

	time.RFC1123,
	time.RFC1123Z,
	// Add new AMZ date formats here.
}

// ErrMalformedDate always returned for dates that cannot be parsed.
var ErrMalformedDate = errors.New("malformed date")

// Parse parses date string via supported amz date formats.
func Parse(amzDateStr string) (time.Time, error) {
	for _, dateFormat := range amzDateFormats {
		amzDate, err := time.Parse(dateFormat, amzDateStr)
		if err == nil {

)

// ExpirationDays is a type alias to unmarshal Days in Expiration
type ExpirationDays int

// UnmarshalXML parses number of days from Expiration and validates if
// greater than zero
func (eDays *ExpirationDays) UnmarshalXML(d *xml.Decoder, startElement xml.StartElement) error {
	var numDays int

	}
	if _, ok := h[xhttp.AmzServerSideEncryptionCopyCustomerKey]; ok {
		return true
	}
	if _, ok := h[xhttp.AmzServerSideEncryptionCopyCustomerKeyMD5]; ok {
		return true
	}
	return false
}

// ParseHTTP parses the SSE-C copy headers and returns the SSE-C client key
// on success. Regular SSE-C headers are ignored.
func (ssecCopy) ParseHTTP(h http.Header) (key [32]byte, err error) {

// SSE-C.
func (ssec) IsEncrypted(metadata map[string]string) bool {
	if _, ok := metadata[MetaSealedKeySSEC]; ok {
		return true
	}
	return false
}

// ParseHTTP parses the SSE-C headers and returns the SSE-C client key
// on success. SSE-C copy headers are ignored.
func (ssec) ParseHTTP(h http.Header) (key [32]byte, err error) {

	// expect an ETag in double quotes. Therefore, we set the
	// ETag directly as map entry instead of using http.Header.Set
	h["ETag"] = []string{`"` + etag.String() + `"`}
}

// Get extracts and parses an ETag from the given HTTP headers.
// It returns an error when the HTTP headers do not contain
// an ETag entry or when the ETag is malformed.
//
// Get only accepts AWS S3 compatible ETags - i.e. no