Initial QSfera import

Server/vendor/github.com/open-policy-agent/opa/bundle/sign.go

@@ -0,0 +1,35 @@
+// Copyright 2020 The OPA Authors.  All rights reserved.
+// Use of this source code is governed by an Apache2
+// license that can be found in the LICENSE file.
+
+// Package bundle provide helpers that assist in the creating a signed bundle
+package bundle
+
+import (
+	v1 "github.com/open-policy-agent/opa/v1/bundle"
+)
+
+// Signer is the interface expected for implementations that generate bundle signatures.
+type Signer v1.Signer
+
+// GenerateSignedToken will retrieve the Signer implementation based on the Plugin specified
+// in SigningConfig, and call its implementation of GenerateSignedToken. The signer generates
+// a signed token given the list of files to be included in the payload and the bundle
+// signing config. The keyID if non-empty, represents the value for the "keyid" claim in the token.
+func GenerateSignedToken(files []FileInfo, sc *SigningConfig, keyID string) (string, error) {
+	return v1.GenerateSignedToken(files, sc, keyID)
+}
+
+// DefaultSigner is the default bundle signing implementation. It signs bundles by generating
+// a JWT and signing it using a locally-accessible private key.
+type DefaultSigner v1.DefaultSigner
+
+// GetSigner returns the Signer registered under the given id
+func GetSigner(id string) (Signer, error) {
+	return v1.GetSigner(id)
+}
+
+// RegisterSigner registers a Signer under the given id
+func RegisterSigner(id string, s Signer) error {
+	return v1.RegisterSigner(id, s)
+}