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76 lines
1.7 KiB
76 lines
1.7 KiB
//go:build linux
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package chromium
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import (
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"crypto/sha1"
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"fmt"
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"os"
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"github.com/godbus/dbus/v5"
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keyring "github.com/ppacher/go-dbus-keyring"
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"golang.org/x/crypto/pbkdf2"
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"github.com/moond4rk/hackbrowserdata/item"
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"github.com/moond4rk/hackbrowserdata/log"
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)
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func (c *Chromium) GetMasterKey() ([]byte, error) {
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// what is d-bus @https://dbus.freedesktop.org/
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// don't need chromium key file for Linux
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defer os.Remove(item.TempChromiumKey)
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conn, err := dbus.SessionBus()
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if err != nil {
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return nil, err
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}
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svc, err := keyring.GetSecretService(conn)
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if err != nil {
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return nil, err
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}
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session, err := svc.OpenSession()
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if err != nil {
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return nil, err
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}
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defer func() {
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if err := session.Close(); err != nil {
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log.Errorf("close session failed: %v", err)
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}
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}()
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collections, err := svc.GetAllCollections()
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if err != nil {
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return nil, err
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}
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var secret []byte
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for _, col := range collections {
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items, err := col.GetAllItems()
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if err != nil {
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return nil, err
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}
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for _, i := range items {
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label, err := i.GetLabel()
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if err != nil {
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log.Error(err)
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continue
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}
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if label == c.storage {
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se, err := i.GetSecret(session.Path())
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if err != nil {
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return nil, fmt.Errorf("get storage from dbus error: %v" + err.Error())
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}
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secret = se.Value
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}
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}
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}
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if len(secret) == 0 {
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// set default secret @https://source.chromium.org/chromium/chromium/src/+/main:components/os_crypt/os_crypt_linux.cc;l=100
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secret = []byte("peanuts")
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}
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salt := []byte("saltysalt")
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// @https://source.chromium.org/chromium/chromium/src/+/master:components/os_crypt/os_crypt_linux.cc
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key := pbkdf2.Key(secret, salt, 1, 16, sha1.New)
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c.masterKey = key
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log.Infof("%s initialized master key success", c.name)
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return key, nil
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}
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