1 files changed, 3 insertions, 77 deletions
diff --git a/enc/enc.go b/enc/enc.go
index 5fb382e..c98875d 100644
--- a/enc/enc.go
+++ b/enc/enc.go
@@ -1,92 +1,18 @@
 package main
 
 import (
-	"crypto/rand"
-	"encoding/binary"
 	"flag"
 	"fmt"
-	"io"
 	"os"
-	"strings"
 
-	"golang.org/x/term"
 	"roseh.moe/cmd/sym/internal/sym"
-	"roseh.moe/pkg/wordlist"
 )
 
-type options struct {
-	generatePassword bool
-	password         string
-	asciiOutput      bool
-	force            bool
-
-	passwordOut io.Writer
-	stdin       io.Reader
-	stdout      io.Writer
-}
-
-func (o *options) enc(args ...string) error {
-	if o.passwordOut == nil {
-		o.passwordOut = os.Stderr
-	}
-	if o.stdin == nil {
-		o.stdin = os.Stdin
-	}
-	if o.stdout == nil {
-		o.stdout = os.Stdout
-	}
-	if o.generatePassword && o.password != "" {
-		return fmt.Errorf("-g and -p cannot be used together")
-	}
-	if len(args) == 0 && !o.generatePassword && o.password == "" {
-		return fmt.Errorf("must use -g or -p when reading from stdin")
-	}
-	var password string
-	if o.password != "" {
-		password = o.password
-	} else if o.generatePassword {
-		const nWords = 10
-		buf := make([]byte, 2*nWords)
-		rand.Read(buf)
-		words := make([]string, nWords)
-		for i := range words {
-			words[i] = wordlist.Words[binary.NativeEndian.Uint16(buf[2*i:])&0x1fff]
-		}
-		password = strings.Join(words, " ")
-		fmt.Fprint(os.Stderr, "Your password: ")
-		fmt.Fprint(o.passwordOut, password)
-		fmt.Fprintln(os.Stderr)
-	} else {
-		fmt.Fprint(os.Stderr, "Enter password: ")
-		pw, err := term.ReadPassword(int(os.Stdin.Fd()))
-		fmt.Fprintln(os.Stderr)
-		if err != nil {
-			return err
-		}
-		password = string(pw)
-	}
-	if len(args) == 0 {
-		if o.asciiOutput {
-			return sym.EncryptBase64(o.stdout, o.stdin, password)
-		}
-		return sym.EncryptBinary(o.stdout, o.stdin, password)
-	}
-	for _, fileName := range args {
-		if err := sym.EncryptFile(fileName, password, sym.WithASCIIOutput(o.asciiOutput), sym.Force(o.force)); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
 func main() {
-	o := new(options)
-	flag.BoolVar(&o.generatePassword, "g", false, "generate a secure password automatically (password will be printed to stderr)")
-	flag.StringVar(&o.password, "p", "", "use the specified password; if not provided, enc will prompt for a password")
-	flag.BoolVar(&o.asciiOutput, "a", false, "output in base64, default is binary output")
-	flag.BoolVar(&o.force, "f", false, "overwrite output files even if they already exist")
+	o := sym.DefaultEncryptOptions
+	o.RegisterFlags(flag.CommandLine)
 	flag.Parse()
-	if err := o.enc(flag.Args()...); err != nil {
+	if err := o.Run(flag.Args()...); err != nil {
 		fmt.Fprintln(os.Stderr, err)
 		os.Exit(1)
 	}