dev-feat: add chromium browser for macos

pkg/decrypter/decrypt_windows.go

@@ -0,0 +1,70 @@
+package decrypter
+
+import (
+	"crypto/aes"
+	"crypto/cipher"
+	"syscall"
+	"unsafe"
+)
+
+func ChromePass(key, encryptPass []byte) ([]byte, error) {
+	if len(encryptPass) > 15 {
+		// remove Prefix 'v10'
+		return aesGCMDecrypt(encryptPass[15:], key, encryptPass[3:15])
+	} else {
+		return nil, errPasswordIsEmpty
+	}
+}
+
+// chromium > 80 https://source.chromium.org/chromium/chromium/src/+/master:components/os_crypt/os_crypt_win.cc
+func aesGCMDecrypt(crypted, key, nounce []byte) ([]byte, error) {
+	block, err := aes.NewCipher(key)
+	if err != nil {
+		return nil, err
+	}
+	blockMode, err := cipher.NewGCM(block)
+	if err != nil {
+		return nil, err
+	}
+	origData, err := blockMode.Open(nil, nounce, crypted, nil)
+	if err != nil {
+		return nil, err
+	}
+	return origData, nil
+}
+
+type dataBlob struct {
+	cbData uint32
+	pbData *byte
+}
+
+func NewBlob(d []byte) *dataBlob {
+	if len(d) == 0 {
+		return &dataBlob{}
+	}
+	return &dataBlob{
+		pbData: &d[0],
+		cbData: uint32(len(d)),
+	}
+}
+
+func (b *dataBlob) ToByteArray() []byte {
+	d := make([]byte, b.cbData)
+	copy(d, (*[1 << 30]byte)(unsafe.Pointer(b.pbData))[:])
+	return d
+}
+
+// chrome < 80 https://chromium.googlesource.com/chromium/src/+/76f496a7235c3432983421402951d73905c8be96/components/os_crypt/os_crypt_win.cc#82
+func DPApi(data []byte) ([]byte, error) {
+	dllCrypt := syscall.NewLazyDLL("Crypt32.dll")
+	dllKernel := syscall.NewLazyDLL("Kernel32.dll")
+	procDecryptData := dllCrypt.NewProc("CryptUnprotectData")
+	procLocalFree := dllKernel.NewProc("LocalFree")
+	var outBlob dataBlob
+	r, _, err := procDecryptData.Call(uintptr(unsafe.Pointer(NewBlob(data))), 0, 0, 0, 0, 0, uintptr(unsafe.Pointer(&outBlob)))
+	if r == 0 {
+		return nil, err
+	}
+	defer procLocalFree.Call(uintptr(unsafe.Pointer(outBlob.pbData)))
+	return outBlob.ToByteArray(), nil
+}