// IsRequested returns true if the HTTP headers contains
// at least one SSE-KMS header.
func (ssekms) IsRequested(h http.Header) bool {
	if _, ok := h[xhttp.AmzServerSideEncryptionKmsID]; ok {
		return true
	}
	if _, ok := h[xhttp.AmzServerSideEncryptionKmsContext]; ok {
		return true
	}
	if _, ok := h[xhttp.AmzServerSideEncryption]; ok {

      if (i == limit) break
    } else if (b != 0) {
      // Group separator ":" delimiter.
      if (input.startsWith(":", startIndex = i)) {
        i++
      } else if (input.startsWith(".", startIndex = i)) {
        // If we see a '.', rewind to the beginning of the previous group and parse as IPv4.
        if (!decodeIpv4Suffix(input, groupOffset, limit, address, b - 2)) return null

	r.bytesRead += int64(n)
	if r.sha256 != nil {
		r.sha256.Write(p[:n])
	}
	if r.contentHasher != nil {
		r.contentHasher.Write(p[:n])
	}

	if err == io.EOF { // Verify content SHA256, if set.
		if r.expectedMin > 0 {
			if r.bytesRead < r.expectedMin {
				return 0, SizeTooSmall{Want: r.expectedMin, Got: r.bytesRead}
			}
		}
		if r.expectedMax > 0 {
			if r.bytesRead > r.expectedMax {

	if e != nil {
		return psv, ErrMalformedExpires
	}

	if preSignV4Values.Expires < 0 {
		return psv, ErrNegativeExpires
	}

	// Check if Expiry time is less than 7 days (value in seconds).
	if preSignV4Values.Expires.Seconds() > 604800 {
		return psv, ErrMaximumExpires
	}

	if preSignV4Values.Date.IsZero() || preSignV4Values.Date.Equal(timeSentinel) {

        if (DISABLED)
            return null;

        try {
            String p = "\\" + domain + "\\" + root;
            if (path != null)
                p += path;
            DfsReferral dr = trans.getDfsReferrals(auth, p, 0);
            if (dr != null)
                return dr;
        } catch (IOException ioe) {
            if (log.level >= 4)

	dst.Reset()
	added := 0
	for _, e := range elem {
		if added > 0 || e != "" {
			if added > 0 {
				dst.WriteByte(SlashSeparatorChar)
			}
			dst.WriteString(e)
			added += len(e)
		}
	}

	if pathNeedsClean(dst.Bytes()) {
		s := path.Clean(dst.String())
		if trailingSlash {
			return s + SlashSeparator
		}
		return s
	}
	if trailingSlash {
		dst.WriteByte(SlashSeparatorChar)
	}

	v := BatchJobReplicateCredentials{}
	bts, err := v.MarshalMsg(nil)
	if err != nil {
		t.Fatal(err)
	}
	left, err := v.UnmarshalMsg(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after UnmarshalMsg(): %q", len(left), left)
	}

	left, err = msgp.Skip(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {

	// Update storage class
	if fi.TransitionTier != "" {
		objInfo.StorageClass = fi.TransitionTier
	} else if sc, ok := fi.Metadata[xhttp.AmzStorageClass]; ok {
		objInfo.StorageClass = sc
	} else {
		objInfo.StorageClass = globalMinioDefaultStorageClass
	}

	// set restore status for transitioned object
	restoreHdr, ok := fi.Metadata[xhttp.AmzRestore]
	if ok {

func (a ElasticsearchArgs) Validate() error {
	if !a.Enable {
		return nil
	}
	if a.URL.IsEmpty() {
		return errors.New("empty URL")
	}
	if a.Format != "" {
		f := strings.ToLower(a.Format)
		if f != event.NamespaceFormat && f != event.AccessFormat {
			return errors.New("format value unrecognized")
		}
	}
	if a.Index == "" {
		return errors.New("empty index value")
	}

}

// Checks bucket and object name validity, returns nil if both are valid.
func checkBucketAndObjectNames(ctx context.Context, bucket, object string) error {
	// Verify if bucket is valid.
	if !isMinioMetaBucketName(bucket) && s3utils.CheckValidBucketNameStrict(bucket) != nil {
		return BucketNameInvalid{Bucket: bucket}
	}
	// Verify if object is valid.
	if len(object) == 0 {
		return ObjectNameInvalid{Bucket: bucket, Object: object}