PasswordTool: new method analyzePassword

When authentication policy is in used, this method allows for checking
that the provided password can be used for the login referenced by this
password_key

product/ERP5/Tool/PasswordTool.py

@@ -229,6 +229,25 @@ class PasswordTool(BaseTool):
       if date < current_date:
         del password_request_dict[key]
 
+  security.declarePublic('analyzePassword')
+  def analyzePassword(self, password, password_key):
+    """Analyze password validity in the context of the login.
+
+    Returns a list of messages as returned by IEncryptedPassword.analyzePassword
+    """
+    portal = self.getPortalObject()
+    if not portal.portal_preferences.isAuthenticationPolicyEnabled():
+      return []
+    try:
+      register_user_login, expiration_date = self._password_request_dict[
+        password_key]
+    except KeyError:
+      return []
+    user_list = portal.acl_users.erp5_users.getUserByLogin(register_user_login)
+    if user_list:
+      return user_list[0].analyzePassword(password)
+    return []
+
   security.declarePublic('changeUserPassword')
   def changeUserPassword(self, password, password_key, password_confirm=None,
                          user_login=None, REQUEST=None, **kw):