[root dialog] 3 password attempts for root authentication

CHANGELOG.md

@@ -6,6 +6,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [0.7.1] 2019-
 ### Improvements
+- 3 password attempts for root authentication
 - AUR:
     - showing a "user-friendly" popup when there are integrity issues with the source-files of a building package
 ### Fixes

bauh/view/qt/root.py

@@ -13,28 +13,41 @@ def is_root():
     return os.getuid() == 0
 
 
-def ask_root_password(locale_keys: dict):
-
+def ask_root_password(i18n: dict):
     diag = QInputDialog()
     diag.setStyleSheet("""QLineEdit {  border-radius: 5px; font-size: 16px }""")
     diag.setInputMode(QInputDialog.TextInput)
     diag.setTextEchoMode(QLineEdit.Password)
     diag.setWindowIcon(QIcon(resource.get_path('img/lock.png')))
-    diag.setWindowTitle(locale_keys['popup.root.title'])
+    diag.setWindowTitle(i18n['popup.root.title'])
     diag.setLabelText('')
-    diag.setCancelButtonText(locale_keys['popup.button.cancel'])
+    diag.setCancelButtonText(i18n['popup.button.cancel'])
     diag.resize(400, 200)
 
-    ok = diag.exec_()
+    for attempt in range(3):
 
-    if ok:
-        if not validate_password(diag.textValue()):
-            show_message(title=locale_keys['popup.root.bad_password.title'],
-                         body=locale_keys['popup.root.bad_password.body'],
-                         type_=MessageType.ERROR)
-            ok = False
+        ok = diag.exec_()
 
-    return diag.textValue(), ok
+        if ok:
+            if not validate_password(diag.textValue()):
+
+                body = i18n['popup.root.bad_password.body']
+
+                if attempt == 2:
+                    body += '. ' + i18n['popup.root.bad_password.last_try']
+
+                show_message(title=i18n['popup.root.bad_password.title'],
+                             body=body,
+                             type_=MessageType.ERROR)
+                ok = False
+                diag.setTextValue('')
+
+            if ok:
+                return diag.textValue(), ok
+        else:
+            break
+
+    return '', False
 
 
 def validate_password(password: str) -> bool:

bauh/view/resources/locale/en

@@ -38,6 +38,7 @@ manage_window.checkbox.show_details=Show details
 popup.root.title=Requires your password to continue
 popup.root.bad_password.title=Error
 popup.root.bad_password.body=Wrong password
+popup.root.bad_password.last_try=Attempts finished. Action cancelled.
 popup.history.title=History
 popup.history.selected.tooltip=Current version
 popup.button.yes=Yes

bauh/view/resources/locale/es

@@ -39,6 +39,7 @@ manage_window.checkbox.show_details=Mostrar detalles
 popup.root.title=Requiere tu contraseña para continuar
 popup.root.bad_password.title=Error
 popup.root.bad_password.body=Contraseña incorrecta
+popup.root.bad_password.last_try=Intentos finalizados. Acción cancelada.
 popup.history.title=Historia
 popup.history.selected.tooltip=Versión actual
 popup.button.yes=Sí

bauh/view/resources/locale/pt

@@ -39,6 +39,7 @@ manage_window.checkbox.show_details=Mostrar detalhes
 popup.root.title=Requer sua senha para prosseguir
 popup.root.bad_password.title=Erro
 popup.root.bad_password.body=Senha incorreta
+popup.root.bad_password.last_try=Tentativas finalizadas. Ação cancelada.
 popup.history.title=Histórico
 popup.history.selected.tooltip=Versão atual
 popup.button.yes=Sim