1 files changed, 7 insertions, 2 deletions
diff --git a/Psso/AuthProvider/ConfigFile.php b/Psso/AuthProvider/ConfigFile.php
index 0d855d0..688c193 100644
--- a/Psso/AuthProvider/ConfigFile.php
+++ b/Psso/AuthProvider/ConfigFile.php
@@ -2,15 +2,20 @@
 namespace Psso\AuthProvider;
 use Psso\{AuthProvider, AuthInterface};
 
-class ConfigFile extends AuthProvider implements AuthInterface\Password {
+class ConfigFile extends AuthProvider
+implements AuthInterface\Password, AuthInterface\UserExists {
     public function validatePassword(
         string $username,
         #[\SensitiveParameter] string $password
     ): bool {
-        $hash = $this->config['users']["$username.password-hash"] ?? null;
+        $hash = $this->config['users'][$username]['password-hash'] ?? null;
         if (!isset($hash)) {
             return false;
         }
         return password_verify($password, $hash);
     }
+
+    public function userExists(string $username): bool {
+        return isset($this->config['users'][$username]);
+    }
 }