68 lines
1.3 KiB
Go
68 lines
1.3 KiB
Go
package decrypt
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"syscall"
|
|
|
|
"github.com/Kichiyaki/gootp/internal/andotp"
|
|
"golang.org/x/term"
|
|
|
|
"github.com/urfave/cli/v2"
|
|
)
|
|
|
|
func NewCommand() *cli.Command {
|
|
return &cli.Command{
|
|
Name: "decrypt",
|
|
Usage: "decrypt backup file generated by andotp",
|
|
Action: func(c *cli.Context) error {
|
|
var err error
|
|
password := []byte(c.String("password"))
|
|
if len(password) == 0 {
|
|
password, err = getPassword()
|
|
}
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
b, err := os.ReadFile(c.String("path"))
|
|
if err != nil {
|
|
return fmt.Errorf("something went wrong while reading file: %w", err)
|
|
}
|
|
|
|
result, err := andotp.Decrypt(password, b)
|
|
if err != nil {
|
|
return fmt.Errorf("something went wrong while decrypting file: %w", err)
|
|
}
|
|
|
|
fmt.Print("\n")
|
|
fmt.Print(string(result))
|
|
|
|
return nil
|
|
},
|
|
Flags: []cli.Flag{
|
|
&cli.StringFlag{
|
|
Name: "path",
|
|
Usage: "path to backup file",
|
|
Required: true,
|
|
},
|
|
&cli.StringFlag{
|
|
Name: "password",
|
|
Usage: "encryption password",
|
|
Required: false,
|
|
},
|
|
},
|
|
}
|
|
}
|
|
|
|
func getPassword() ([]byte, error) {
|
|
fmt.Print("Password: ")
|
|
|
|
pass, err := term.ReadPassword(syscall.Stdin)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("term.ReadPassword: %w", err)
|
|
}
|
|
|
|
return pass, nil
|
|
}
|