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46 lines
1.0 KiB
46 lines
1.0 KiB
3 years ago
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package chromium
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import (
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"bytes"
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"crypto/sha1"
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"errors"
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"os/exec"
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"golang.org/x/crypto/pbkdf2"
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)
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var (
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ErrWrongSecurityCommand = errors.New("macOS wrong security command")
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)
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func (c *chromium) GetMasterKey() ([]byte, error) {
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var (
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cmd *exec.Cmd
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stdout, stderr bytes.Buffer
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)
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// $ security find-generic-password -wa 'Chrome'
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cmd = exec.Command("security", "find-generic-password", "-wa", c.storage)
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cmd.Stdout = &stdout
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cmd.Stderr = &stderr
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err := cmd.Run()
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if err != nil {
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return nil, err
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}
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if stderr.Len() > 0 {
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return nil, errors.New(stderr.String())
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}
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temp := stdout.Bytes()
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chromeSecret := temp[:len(temp)-1]
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if chromeSecret == nil {
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return nil, ErrWrongSecurityCommand
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}
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var chromeSalt = []byte("saltysalt")
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// @https://source.chromium.org/chromium/chromium/src/+/master:components/os_crypt/os_crypt_mac.mm;l=157
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key := pbkdf2.Key(chromeSecret, chromeSalt, 1003, 16, sha1.New)
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if key != nil {
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c.browserInfo.masterKey = key
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return key, nil
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}
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return nil, errors.New("macOS wrong security command")
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}
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