Update LoginService.php (#271)

* Update LoginService.php

Resolve :  Issue : password create in nextcloud database for OpenId connect users #207

* Update LoginService.php

correction of the comment of the previous modification

* Update LoginService.php

change double quotes by simple quotes (related to the previous commit lint job)

lib/Service/LoginService.php

@@ -134,8 +134,9 @@ public function login(array $profile): array
 
         // Create user if not existing
         if (null === $user) {
-            // Generate random password of 30 characters
-            $password = substr(base64_encode(random_bytes(64)), 0, 30);
+            // Generate random password of 32 characters that meets nextcloud's strictest password policy
+            $randomPassword = substr(base64_encode(random_bytes(64)), 0, 28);
+            $password = 'aA'.$randomPassword.'1$';
 
             // Create user. This will throw if creation is not permitted.
             $user = $this->createUser($uid, $password);