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// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package x509
import "encoding/json"
// TODO: Automatically generate this file from a CSV
// CertificateType represents whether a certificate is a root, intermediate, or
// leaf.
type CertificateType int
// CertificateType constants. Values should not be considered significant aside
// from CertificateTypeUnknown is the zero value.
const (
CertificateTypeUnknown CertificateType = 0
CertificateTypeLeaf CertificateType = 1
CertificateTypeIntermediate CertificateType = 2
CertificateTypeRoot CertificateType = 3
)
const (
certificateTypeStringLeaf = "leaf"
certificateTypeStringIntermediate = "intermediate"
certificateTypeStringRoot = "root"
certificateTypeStringUnknown = "unknown"
)
// MarshalJSON implements the json.Marshaler interface. Any unknown integer
// value is considered the same as CertificateTypeUnknown.
func (t CertificateType) MarshalJSON() ([]byte, error) {
switch t {
case CertificateTypeLeaf:
return json.Marshal(certificateTypeStringLeaf)
case CertificateTypeIntermediate:
return json.Marshal(certificateTypeStringIntermediate)
case CertificateTypeRoot:
return json.Marshal(certificateTypeStringRoot)
default:
return json.Marshal(certificateTypeStringUnknown)
}
}
// UnmarshalJSON implements the json.Unmarshaler interface. Any unknown string
// is considered the same CertificateTypeUnknown.
func (t *CertificateType) UnmarshalJSON(b []byte) error {
var certificateTypeString string
if err := json.Unmarshal(b, &certificateTypeString); err != nil {
return err
}
switch certificateTypeString {
case certificateTypeStringLeaf:
*t = CertificateTypeLeaf
case certificateTypeStringIntermediate:
*t = CertificateTypeIntermediate
case certificateTypeStringRoot:
*t = CertificateTypeRoot
default:
*t = CertificateTypeUnknown
}
return nil
}
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