authentication: make logins case-insensitive (force lowercase)

1 files changed, 2 insertions, 2 deletions

diff --git a/plugins/auth_remote/init.php b/plugins/auth_remote/init.php
index 18ec0e1a6..85be67d05 100644
--- a/plugins/auth_remote/init.php
+++ b/plugins/auth_remote/init.php
@@ -58,13 +58,13 @@ class Auth_Remote extends Auth_Base {
 				// LemonLDAP can send user informations via HTTP HEADER
 				if (defined('AUTH_AUTO_CREATE') && AUTH_AUTO_CREATE){
 					// update user name
-					$fullname = $_SERVER['HTTP_USER_NAME'] ? $_SERVER['HTTP_USER_NAME'] : $_SERVER['AUTHENTICATE_CN'];
+					$fullname = isset($_SERVER['HTTP_USER_NAME']) ? $_SERVER['HTTP_USER_NAME'] : ($_SERVER['AUTHENTICATE_CN'] ?? "");
 					if ($fullname){
 						$sth = $this->pdo->prepare("UPDATE ttrss_users SET full_name = ? WHERE id = ?");
 						$sth->execute([$fullname, $user_id]);
 					}
 					// update user mail
-					$email = $_SERVER['HTTP_USER_MAIL'] ? $_SERVER['HTTP_USER_MAIL'] : $_SERVER['AUTHENTICATE_MAIL'];
+					$email = isset($_SERVER['HTTP_USER_MAIL']) ? $_SERVER['HTTP_USER_MAIL'] : ($_SERVER['AUTHENTICATE_MAIL'] ?? "");
 					if ($email){
 						$sth = $this->pdo->prepare("UPDATE ttrss_users SET email = ? WHERE id = ?");
 						$sth->execute([$email, $user_id]);