Look for correct hashing to check if password is salted and set random password

extensions/t3o_ldap/Classes/Connectors/Ldap.php

@@ -545,19 +545,17 @@ class Ldap implements \Psr\Log\LoggerAwareInterface
      * @param string $passwordString The password string
      * @return bool
      */
-    private function isSaltedPassword($passwordString)
+    private function isSaltedPassword(string $passwordString): bool
     {
-        $ret = false;
-        if ($passwordString !== '') {
-            $saltedHashingMethods = \TYPO3\CMS\Core\Crypto\PasswordHashing\PasswordHashFactory::getRegisteredSaltedHashingMethods();
-            foreach ($saltedHashingMethods as $saltedHashingMethod) {
-                /** @var \TYPO3\CMS\Core\Crypto\PasswordHashing\PasswordHashInterface $method */
-                $method = GeneralUtility::makeInstance($saltedHashingMethod);
-                if ($method->isAvailable() && $method->isValidSaltedPW($passwordString)) {
-                    return true;
-                }
-            }
+        $isSalted = false;
+        try {
+            GeneralUtility::makeInstance(\TYPO3\CMS\Core\Crypto\PasswordHashing\PasswordHashFactory::class)->get($passwordString, 'FE');
+            $isSalted = true;
+        } catch (\TYPO3\CMS\Core\Crypto\PasswordHashing\InvalidPasswordHashException $e) {
+
         }
+
+        return $isSalted;
     }
 
     /**

extensions/t3omy/Classes/Hooks/FeManagerHooks.php

@@ -173,6 +173,7 @@ class FeManagerHooks
         $plainTextPassword = '';
         if ($user->_isDirty('password') && $user->getPassword() !== '') {
             $plainTextPassword = $user->getPassword();
+            $user->setPassword($this->getRandomPassword());
             \In2code\Femanager\Utility\UserUtility::convertPassword($user, '');
         }
         $this->ldapUserCreateUpdateDelete->updateUser($user, true, $plainTextPassword);
@@ -222,6 +223,7 @@ class FeManagerHooks
             $objectManager = GeneralUtility::makeInstance(ObjectManager::class);
             $userRepository = $objectManager->get(\In2code\Femanager\Domain\Repository\UserRepository::class);
             $plainTextPassword = $user->getPassword();
+            $user->setPassword($this->getRandomPassword());
             \In2code\Femanager\Utility\UserUtility::hashPassword($user, '');
             $userRepository->add($user);
             $this->persistenceManager->persistAll();
@@ -328,6 +330,11 @@ class FeManagerHooks
         return true;
     }
 
+    private function getRandomPassword(): string
+    {
+        return GeneralUtility::makeInstance(\TYPO3\CMS\Core\Crypto\Random::class)->generateRandomHexString(20);
+    }
+
     /**
      * @return string
      */