Update github.com/xenolf/lego to 0.4.1

vendor/github.com/Azure/go-autorest/autorest/date/unixtime.go

@@ -0,0 +1,109 @@
+package date
+
+import (
+	"bytes"
+	"encoding/binary"
+	"encoding/json"
+	"time"
+)
+
+// unixEpoch is the moment in time that should be treated as timestamp 0.
+var unixEpoch = time.Date(1970, time.January, 1, 0, 0, 0, 0, time.UTC)
+
+// UnixTime marshals and unmarshals a time that is represented as the number
+// of seconds (ignoring skip-seconds) since the Unix Epoch.
+type UnixTime time.Time
+
+// Duration returns the time as a Duration since the UnixEpoch.
+func (t UnixTime) Duration() time.Duration {
+	return time.Time(t).Sub(unixEpoch)
+}
+
+// NewUnixTimeFromSeconds creates a UnixTime as a number of seconds from the UnixEpoch.
+func NewUnixTimeFromSeconds(seconds float64) UnixTime {
+	return NewUnixTimeFromDuration(time.Duration(seconds * float64(time.Second)))
+}
+
+// NewUnixTimeFromNanoseconds creates a UnixTime as a number of nanoseconds from the UnixEpoch.
+func NewUnixTimeFromNanoseconds(nanoseconds int64) UnixTime {
+	return NewUnixTimeFromDuration(time.Duration(nanoseconds))
+}
+
+// NewUnixTimeFromDuration creates a UnixTime as a duration of time since the UnixEpoch.
+func NewUnixTimeFromDuration(dur time.Duration) UnixTime {
+	return UnixTime(unixEpoch.Add(dur))
+}
+
+// UnixEpoch retreives the moment considered the Unix Epoch. I.e. The time represented by '0'
+func UnixEpoch() time.Time {
+	return unixEpoch
+}
+
+// MarshalJSON preserves the UnixTime as a JSON number conforming to Unix Timestamp requirements.
+// (i.e. the number of seconds since midnight January 1st, 1970 not considering leap seconds.)
+func (t UnixTime) MarshalJSON() ([]byte, error) {
+	buffer := &bytes.Buffer{}
+	enc := json.NewEncoder(buffer)
+	err := enc.Encode(float64(time.Time(t).UnixNano()) / 1e9)
+	if err != nil {
+		return nil, err
+	}
+	return buffer.Bytes(), nil
+}
+
+// UnmarshalJSON reconstitures a UnixTime saved as a JSON number of the number of seconds since
+// midnight January 1st, 1970.
+func (t *UnixTime) UnmarshalJSON(text []byte) error {
+	dec := json.NewDecoder(bytes.NewReader(text))
+
+	var secondsSinceEpoch float64
+	if err := dec.Decode(&secondsSinceEpoch); err != nil {
+		return err
+	}
+
+	*t = NewUnixTimeFromSeconds(secondsSinceEpoch)
+
+	return nil
+}
+
+// MarshalText stores the number of seconds since the Unix Epoch as a textual floating point number.
+func (t UnixTime) MarshalText() ([]byte, error) {
+	cast := time.Time(t)
+	return cast.MarshalText()
+}
+
+// UnmarshalText populates a UnixTime with a value stored textually as a floating point number of seconds since the Unix Epoch.
+func (t *UnixTime) UnmarshalText(raw []byte) error {
+	var unmarshaled time.Time
+
+	if err := unmarshaled.UnmarshalText(raw); err != nil {
+		return err
+	}
+
+	*t = UnixTime(unmarshaled)
+	return nil
+}
+
+// MarshalBinary converts a UnixTime into a binary.LittleEndian float64 of nanoseconds since the epoch.
+func (t UnixTime) MarshalBinary() ([]byte, error) {
+	buf := &bytes.Buffer{}
+
+	payload := int64(t.Duration())
+
+	if err := binary.Write(buf, binary.LittleEndian, &payload); err != nil {
+		return nil, err
+	}
+
+	return buf.Bytes(), nil
+}
+
+// UnmarshalBinary converts a from a binary.LittleEndian float64 of nanoseconds since the epoch into a UnixTime.
+func (t *UnixTime) UnmarshalBinary(raw []byte) error {
+	var nanosecondsSinceEpoch int64
+
+	if err := binary.Read(bytes.NewReader(raw), binary.LittleEndian, &nanosecondsSinceEpoch); err != nil {
+		return err
+	}
+	*t = NewUnixTimeFromNanoseconds(nanosecondsSinceEpoch)
+	return nil
+}