add only non-empty url to csp (fix #49)

1 files changed, 3 insertions, 2 deletions

diff --git a/appinfo/app.php b/appinfo/app.php
index 88be2a4..8ded64a 100755
--- a/appinfo/app.php
+++ b/appinfo/app.php
@@ -1,5 +1,5 @@
 <?php
-$url =  \OC::$server->getConfig()->getAppValue('piwik', 'url');
+$url = \OC::$server->getConfig()->getAppValue('piwik', 'url');
 
 if (!empty($url)) {
     OCP\Util::addScript('piwik', 'track');
@@ -11,7 +11,8 @@ if (!empty($url)) {
         $policy->addAllowedScriptDomain('\'self\' ');
         $policy->addAllowedImageDomain('\'self\' ');
 
-        if ($url !== false && array_key_exists('HTTP_HOST', $_SERVER) && $_SERVER['HTTP_HOST'] !== $url) {
+        if ($url !== false && array_key_exists('HTTP_HOST', $_SERVER)
+            && $_SERVER['HTTP_HOST'] !== $url && !empty($url)) {
             $policy->addAllowedScriptDomain($url);
             $policy->addAllowedImageDomain($url);
         }