feat: [safety] string encrypt input.

1.encrypt dbus pwd input

Log: as title
Bug: https://pms.uniontech.com/bug-view-259823.html

src/dfm-base/dialogs/mountpasswddialog/mountaskpassworddialog.cpp

@@ -163,7 +163,7 @@ void MountAskPasswordDialog::handleConnect()
 
     loginObj.insert(kUser, usernameLineEdit->text());
     loginObj.insert(kDomain, domainLineEdit->text());
-    loginObj.insert(kPasswd, passwordLineEdit->text());
+    loginObj.insert(kPasswd, encryptPasswd(passwordLineEdit->text()));
 
     if (passwordCheckBox->isChecked()) {
         loginObj.insert(kPasswdSaveMode, kSavePermanently);
@@ -173,6 +173,14 @@ void MountAskPasswordDialog::handleConnect()
     accept();
 }
 
+QString MountAskPasswordDialog::encryptPasswd(const QString &passwd)
+{
+    //todo use encrypt-plugin
+    QByteArray byteArray = passwd.toUtf8();
+    QByteArray encodedByteArray = byteArray.toBase64();
+    return QString::fromUtf8(encodedByteArray);
+}
+
 void MountAskPasswordDialog::handleButtonClicked(int index, QString text)
 {
     Q_UNUSED(text)

src/dfm-base/dialogs/mountpasswddialog/mountaskpassworddialog.h

@@ -38,6 +38,8 @@ class MountAskPasswordDialog : public DTK_WIDGET_NAMESPACE::DDialog
     void setDomain(const QString &domain);
     void setUser(const QString &user);
 
+    QString encryptPasswd(const QString &passwd);
+
     enum {
         kNeverSave,
         kSaveBeforeLogout,

src/plugins/daemon/daemonplugin-mountcontrol/mounthelpers/cifsmounthelper.cpp

@@ -269,8 +269,9 @@ QString CifsMountHelper::mountRoot()
 
 QString CifsMountHelper::decryptPasswd(const QString &passwd)
 {
-    // TODO(xust): encrypt and decrypt passwd
-    return passwd;
+    QByteArray encodedByteArray = passwd.toUtf8();
+    QByteArray decodedByteArray = QByteArray::fromBase64(encodedByteArray);
+    return QString::fromUtf8(decodedByteArray);
 }
 
 uint CifsMountHelper::invokerUid()