/
grant.go
54 lines (49 loc) · 1.41 KB
/
grant.go
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package grant
import (
"fmt"
"github.com/monax/hoard/v3/config/secrets"
"github.com/monax/hoard/v3/reference"
)
// Seal this reference into a Grant as specified by Spec
func Seal(secret secrets.Manager, ref *reference.Ref, spec *Spec) (*Grant, error) {
grt := &Grant{Spec: spec}
switch s := spec.GetValue().(type) {
case *PlaintextSpec:
grt.EncryptedReference = PlaintextGrant(ref)
case *SymmetricSpec:
secret, err := secret.Provider(s.PublicID)
if err != nil {
return nil, err
}
encRef, err := SymmetricGrant(ref, secret)
if err != nil {
return nil, err
}
grt.EncryptedReference = encRef
case *OpenPGPSpec:
encRef, err := OpenPGPGrant(ref, s.PublicKey, secret.OpenPGP)
if err != nil {
return nil, err
}
grt.EncryptedReference = encRef
default:
return nil, fmt.Errorf("grant type %v not recognised", s)
}
return grt, nil
}
// Unseal a Grant exposing its secret reference
func Unseal(secret secrets.Manager, grt *Grant) (*reference.Ref, error) {
switch s := grt.Spec.GetValue().(type) {
case *PlaintextSpec:
return PlaintextReference(grt.EncryptedReference), nil
case *SymmetricSpec:
secret, err := secret.Provider(s.PublicID)
if err != nil {
return nil, err
}
return SymmetricReference(grt.EncryptedReference, secret)
case *OpenPGPSpec:
return OpenPGPReference(grt.EncryptedReference, secret.OpenPGP)
}
return nil, fmt.Errorf("grant type %v not recognised", grt.Spec)
}