check for blank email when rejecting a dupe

darcs-hash:20081202185343-5ed1f-99c314aac9e59ddbddd59ee403d4111c3639aa98.gz

diff --git a/actions/register.php b/actions/register.php
index 1d7e71dfbc86138fefec984ec6c8af4afb9b53dd..6acbde1bdac7fd16a5cc4cb08622eda5d1dbf5b7 100644 (file)
--- a/actions/register.php
+++ b/actions/register.php
@@ -142,6 +142,9 @@ class RegisterAction extends Action {
 
        function email_exists($email) {
                $email = common_canonical_email($email);
+               if (!$email || strlen($email) == 0) {
+                       return false;
+               }
                $user = User::staticGet('email', $email);
                return ($user !== false);
        }