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// Copyright (C) 2018 Alexandre Viau <alexandre@alexandreviau.net>
//
// This file is part of gopass.
//
// gopass is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// gopass is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with gopass. If not, see <http://www.gnu.org/licenses/>.
package cli
import (
"flag"
"fmt"
"io/ioutil"
"strconv"
"github.com/aviau/gopass/internal/pwgen"
gopass_terminal "github.com/aviau/gopass/internal/terminal"
)
// execGenerate runs the "generate" command.
func execGenerate(cfg CommandConfig, args []string) error {
var noSymbols, n bool
var force, f bool
var help, h bool
fs := flag.NewFlagSet("generate", flag.ContinueOnError)
fs.SetOutput(ioutil.Discard)
fs.Usage = func() {
fmt.Fprintln(cfg.WriterOutput(), `Usage: gopass generate [--no-symbols,-n] [--force,-f] pass-name pass-length`)
}
fs.BoolVar(&help, "help", false, "")
fs.BoolVar(&h, "h", false, "")
fs.BoolVar(&noSymbols, "no-symbols", false, "")
fs.BoolVar(&n, "n", false, "")
fs.BoolVar(&force, "force", false, "")
fs.BoolVar(&f, "f", false, "")
if err := fs.Parse(args); err != nil {
return err
}
if help || h {
fs.Usage()
return nil
}
noSymbols = noSymbols || n
force = force || f
passName := fs.Arg(0)
store := cfg.PasswordStore()
if containsPassword, _ := store.ContainsPassword(passName); containsPassword && !force {
if !gopass_terminal.AskYesNo(cfg.WriterOutput(), fmt.Sprintf("Password \"%s\" already exists. Would you like to overwrite? [y/n] ", passName)) {
return nil
}
}
passLength, err := strconv.ParseInt(fs.Arg(1), 0, 64)
if err != nil {
return fmt.Errorf("second argument must be an int, got \"%s\"", fs.Arg(1))
}
runes := append(pwgen.Alpha, pwgen.Num...)
if !noSymbols {
runes = append(runes, pwgen.Symbols...)
}
password := pwgen.RandSeq(int(passLength), runes)
if err := store.InsertPassword(passName, password); err != nil {
return err
}
fmt.Fprintf(cfg.WriterOutput(), "Password \"%s\" added to the store.\n", passName)
return nil
}
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