forked from netsec-ethz/scion
/
validity.go
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/
validity.go
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// Copyright 2019 Anapaya Systems
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package conf
import (
"time"
"github.com/scionproto/scion/go/lib/scrypto"
"github.com/scionproto/scion/go/lib/serrors"
"github.com/scionproto/scion/go/lib/util"
)
// Validity defines a validity period.
type Validity struct {
NotBefore uint32 `toml:"not_before"`
Validity util.DurWrap `toml:"validity"`
}
// Validate checks that the validity is set.
func (v Validity) Validate() error {
if v.Validity.Duration == 0 {
return serrors.New("validity period not set")
}
return nil
}
// Eval returns the validity period. The not before parameter is only used if
// the struct's not before field value is zero.
func (v Validity) Eval(notBefore time.Time) scrypto.Validity {
if v.NotBefore != 0 {
notBefore = util.SecsToTime(v.NotBefore)
}
return scrypto.Validity{
NotBefore: util.UnixTime{Time: notBefore},
NotAfter: util.UnixTime{Time: notBefore.Add(v.Validity.Duration)},
}
}