Add ability to encrypt files

1 files changed, 38 insertions, 0 deletions

diff --git a/cmd/goaes/commands/encrypt.go b/cmd/goaes/commands/encrypt.go
new file mode 100644
index 0000000..0c5d578
--- /dev/null
+++ b/cmd/goaes/commands/encrypt.go
@@ -0,0 +1,38 @@
+package commands
+
+import (
+	"bytes"
+	"context"
+	"encoding/gob"
+	"os"
+
+	"github.com/nerdsec/goaes/internal"
+	"github.com/urfave/cli/v3"
+)
+
+func Encrypt(ctx context.Context, cmd *cli.Command) error {
+	source := cmd.String("source")
+	destination := cmd.String("destination")
+
+	plaintext, err := os.ReadFile(source)
+	if err != nil {
+		return err
+	}
+
+	payload, err := internal.Encrypt(plaintext)
+	if err != nil {
+		return err
+	}
+
+	var dataBuffer bytes.Buffer
+	enc := gob.NewEncoder(&dataBuffer)
+
+	err = enc.Encode(payload)
+	if err != nil {
+		return err
+	}
+
+	os.WriteFile(destination, dataBuffer.Bytes(), 0666)
+
+	return nil
+}