Function unmarshallResource

pkg/policies/loader.go:243–265

(raw []byte, ref string, digest string, dest proto.Message)

}

func unmarshallResource(raw []byte, ref string, digest string, dest proto.Message) (*PolicyDescriptor, error) {
	jsonContent, err := unmarshal.LoadJSONBytes(raw, filepath.Ext(ref))
	if err != nil {
		return nil, fmt.Errorf("loading resource spec: %w", err)
	}

	if err := protojson.Unmarshal(jsonContent, dest); err != nil {
		return nil, fmt.Errorf("unmarshalling policy spec: %w", err)
	}

	// calculate hash of the raw data
	h, _, err := crv1.SHA256(bytes.NewBuffer(raw))
	if err != nil {
		return nil, fmt.Errorf("calculating hash: %w", err)
	}

	// compare it with the wanted digest if needed
	if digest != "" && h.String() != digest {
		return nil, fmt.Errorf("digest mismatch: got %s, want %s", h.String(), digest)
	}

	return policyReferenceResourceDescriptor("", ref, "", h), nil
}

// IsProviderScheme takes a policy reference and returns whether it's referencing to an external provider or not
func IsProviderScheme(ref string) bool {