Make sure hash_hmac() always works even if no secret key

Otherwise a fatal error is possible.

Change-Id: Icda96bac3e75f424be068cdad30ad618b503a8e1

diff --git a/includes/TemplateParser.php b/includes/TemplateParser.php
index 559ffb9..a178fed 100644 (file)
--- a/includes/TemplateParser.php
+++ b/includes/TemplateParser.php
@@ -97,7 +97,7 @@ class TemplateParser {
 
                // Fetch a secret key for building a keyed hash of the PHP code
                $config = ConfigFactory::getDefaultInstance()->makeConfig( 'main' );
-               $secretKey = $config->get( 'SecretKey' );
+               $secretKey = $config->get( 'SecretKey' ) ? : 'key';
 
                // See if the compiled PHP code is stored in cache.
                // CACHE_ACCEL throws an exception if no suitable object cache is present, so fall