going somewhere

files/encrypt_file.go

@@ -3,18 +3,38 @@ package files
 import (
 	"io"
 
+	"github.com/didiercrunch/filou/asymetric"
 	"github.com/didiercrunch/filou/contract"
 	"github.com/didiercrunch/filou/envelop"
+	"github.com/didiercrunch/filou/helper"
 	"github.com/didiercrunch/filou/payload"
 )
 
+func getEncryptorAndSigner(acceptedContract *contract.AcceptedContract) (asymetric.PublicKeyEncryptor, asymetric.Signer, error) {
+	errs := make([]error, 0, 2)
+	signer, err := asymetric.GetSigner(acceptedContract)
+	if err != nil {
+		errs = append(errs, err)
+	}
+
+	encryptor, err := asymetric.GetPublicKeyEncryptor(acceptedContract)
+	if err != nil {
+		errs = append(errs, err)
+	}
+	return encryptor, signer, helper.JoinErrors(errs)
+}
+
 func EncryptFile(reader io.Reader, writer io.Writer, acceptedContract *contract.AcceptedContract) error {
+	encryptor, signer, err := getEncryptorAndSigner(acceptedContract)
+	if err != nil {
+		return err
+	}
+
 	payload_, err := payload.GetPayload(reader, acceptedContract)
 	if err != nil {
 		return err
 	}
 
-	//signer :=
-	envelop := envelop.NewEnveloper(nil, payload_, nil)
+	envelop := envelop.NewEnveloper(encryptor, payload_, signer)
 	return envelop.WriteToWriter(writer)
 }