Fixed error in Auth::authenticate causing phpCAS::client to be called twice.
[piwik-CASLogin.git] / Auth.php
index e9714d1..c2d9446 100644 (file)
--- a/Auth.php
+++ b/Auth.php
@@ -28,6 +28,7 @@ class Auth implements \Piwik\Auth
 {
        protected $login = null;
        protected $token_auth = null;
+       private static $phpcas_client_called = false;
 
        public function getName()
        {
@@ -50,8 +51,7 @@ class Auth implements \Piwik\Auth
                // The first authenticate() is from the page, and the second is due to an API call.
                // This checks if there was already a phpcas instance already initialized, otherwize
                // phpCAS::client() would fail.
-               global $PHPCAS_CLIENT;
-               if(!is_object($PHPCAS_CLIENT)) {
+               if (!self::$phpcas_client_called) {
                        \phpCAS::client(
                                constant( Config::getInstance()->caslogin['protocol'] ),
                                Config::getInstance()->caslogin['host'],
@@ -59,6 +59,7 @@ class Auth implements \Piwik\Auth
                 '',
                 false
                        );
+                       self::$phpcas_client_called = true;
                }
 
                // no SSL validation for the CAS server