You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
58 lines
1.5 KiB
Go
58 lines
1.5 KiB
Go
package azurekms
|
|
|
|
import (
|
|
"context"
|
|
"crypto"
|
|
"encoding/json"
|
|
"time"
|
|
|
|
"github.com/Azure/azure-sdk-for-go/services/keyvault/v7.1/keyvault"
|
|
"github.com/pkg/errors"
|
|
"github.com/smallstep/certificates/kms/uri"
|
|
"go.step.sm/crypto/jose"
|
|
)
|
|
|
|
// defaultContext returns the default context used in requests to azure.
|
|
func defaultContext() (context.Context, context.CancelFunc) {
|
|
return context.WithTimeout(context.Background(), 15*time.Second)
|
|
}
|
|
|
|
// parseKeyName returns the key vault, name and version for urls like
|
|
// azurekms:vault=key-vault;id=key-name?version=key-version. If version is not
|
|
// passed the latest version will be used.
|
|
func parseKeyName(rawURI string) (vault, name, version string, err error) {
|
|
var u *uri.URI
|
|
|
|
u, err = uri.ParseWithScheme("azurekms", rawURI)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
if vault = u.Get("vault"); vault == "" {
|
|
err = errors.Errorf("key uri %s is not valid: vault is missing", rawURI)
|
|
return
|
|
}
|
|
if name = u.Get("id"); name == "" {
|
|
err = errors.Errorf("key uri %s is not valid: id is missing", rawURI)
|
|
return
|
|
}
|
|
version = u.Get("version")
|
|
return
|
|
}
|
|
|
|
func vaultBaseURL(vault string) string {
|
|
return "https://" + vault + ".vault.azure.net/"
|
|
}
|
|
|
|
func convertKey(key *keyvault.JSONWebKey) (crypto.PublicKey, error) {
|
|
b, err := json.Marshal(key)
|
|
if err != nil {
|
|
return nil, errors.Wrap(err, "error marshalling key")
|
|
}
|
|
var jwk jose.JSONWebKey
|
|
if err := jwk.UnmarshalJSON(b); err != nil {
|
|
return nil, errors.Wrap(err, "error unmarshalling key")
|
|
}
|
|
return jwk.Key, nil
|
|
}
|