// Make sure the request has not expired.
	expiresInt, err := strconv.ParseInt(expires, 10, 64)
	if err != nil {
		return ErrMalformedExpires
	}

	// Check if the presigned URL has expired.
	if expiresInt < UTCNow().Unix() {
		return ErrExpiredPresignRequest
	}

	encodedResource, err = getResource(encodedResource, r.Host, globalDomainNames)
	if err != nil {
		return ErrInvalidRequest
	}

		DataBlocks:   5,
		ParityBlocks: 5,
		BlockSize:    10485760,
		Index:        10,
		Distribution: []int{9, 10, 1, 2, 3, 4, 5, 6, 7, 8},
	}
	xlMeta.Stat = StatInfo{
		Size:    int64(20),
		ModTime: UTCNow(),
	}
	// Set meta data.
	xlMeta.Meta = make(map[string]string)
	xlMeta.Meta["testKey1"] = "val1"
	xlMeta.Meta["testKey2"] = "val2"
	return xlMeta
}

	signedHeaders = append(signedHeaders, "expect")
	// expected header values.
	expectedHost := "play.min.io:9000"
	expectedContentSha256 := "1234abcd"
	expectedTime := UTCNow().Format(iso8601Format)
	expectedTransferEncoding := "gzip"
	expectedExpect := "100-continue"

	r, err := http.NewRequest(http.MethodGet, "http://play.min.io:9000", nil)
	if err != nil {

	if err != nil {
		t.Fatal(err)
	}
	if n != length {
		t.Errorf("erasureCreateFile returned %d, expected %d", n, length)
	}

	// To generate random offset/length.
	r := rand.New(rand.NewSource(UTCNow().UnixNano()))

	buf := &bytes.Buffer{}

	// Verify erasure.Decode() for random offsets and lengths.
	for range iterations {
		offset := r.Int63n(length)
		readLen := r.Int63n(length - offset)

	sqlFnDateDiff    FuncName = "DATE_DIFF"
	sqlFnExtract     FuncName = "EXTRACT"
	sqlFnToString    FuncName = "TO_STRING"
	sqlFnToTimestamp FuncName = "TO_TIMESTAMP"
	sqlFnUTCNow      FuncName = "UTCNOW"

	// String
	sqlFnCharLength      FuncName = "CHAR_LENGTH"
	sqlFnCharacterLength FuncName = "CHARACTER_LENGTH"
	sqlFnLower           FuncName = "LOWER"
	sqlFnSubstring       FuncName = "SUBSTRING"

		isErrBucketNotFound(err) ||
		errors.Is(err, os.ErrDeadlineExceeded) ||
		notInitialized
}

func bootstrapTraceMsg(msg string) {
	info := madmin.TraceInfo{
		TraceType: madmin.TraceBootstrap,
		Time:      UTCNow(),
		NodeName:  globalLocalNodeName,
		FuncName:  "BOOTSTRAP",
		Message:   fmt.Sprintf("%s %s", getSource(2), msg),
	}
	globalBootstrapTracer.Record(info)

	if serverDebugLog {

func (o *ObjectOptions) SetReplicaStatus(st replication.StatusType) {
	o.DeleteReplication.ReplicaStatus = st
	o.DeleteReplication.ReplicaTimeStamp = UTCNow()
}

// DeleteMarkerReplicationStatus - returns replication status of delete marker from DeleteReplication state in ObjectOptions
func (o *ObjectOptions) DeleteMarkerReplicationStatus() replication.StatusType {

			if st, ok := m.TargetsMap[t.Arn]; ok {
				st.LastUpdate = UTCNow()
				st.ResyncStatus = ResyncCanceled
				m.TargetsMap[t.Arn] = st
				m.LastUpdate = UTCNow()
			}
			globalReplicationPool.Get().resyncer.statusMap[bucket] = m
			globalReplicationPool.Get().resyncer.Unlock()
		}
	}

	rs.Status = ResyncCanceled
	rs.LastUpdate = UTCNow()
	if err := saveSiteResyncMetadata(ctx, rs, objAPI); err != nil {

)

const (
	ntpServerEnv = "MINIO_NTP_SERVER"
)

var ntpServer = env.Get(ntpServerEnv, "")

// UTCNowNTP - is similar in functionality to UTCNow()
// but only used when we do not wish to rely on system
// time.
func UTCNowNTP() (time.Time, error) {
	// ntp server is disabled
	if ntpServer == "" {
		return time.Now().UTC(), nil
	}

	}
	if r.Header.Get(xhttp.AmzBucketReplicationStatus) == replication.Replica.String() {
		metadata[ReservedMetadataPrefixLower+ReplicaStatus] = replication.Replica.String()
		metadata[ReservedMetadataPrefixLower+ReplicaTimestamp] = UTCNow().Format(time.RFC3339Nano)
	}
	retPerms := isPutActionAllowed(ctx, getRequestAuthType(r), bucket, object, r, policy.PutObjectRetentionAction)