X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FUtil%2FLDSignature.php;h=9762b837f3bca737269d4ca87f78d95d5f45f855;hb=326a7d22ba59d84cc00f7ccfbcd5a56596cbbc6d;hp=c9fde441fdcfcbcb4e80bdafff36b02cd163cca3;hpb=53e9203d37ee0c1a2afed0faf295e3c622ac2e17;p=friendica.git

diff --git a/src/Util/LDSignature.php b/src/Util/LDSignature.php
index c9fde441fd..9762b837f3 100644
--- a/src/Util/LDSignature.php
+++ b/src/Util/LDSignature.php
@@ -3,9 +3,6 @@
 namespace Friendica\Util;
 
 use Friendica\Core\Logger;
-use Friendica\Util\JsonLD;
-use Friendica\Util\DateTimeFormat;
-use Friendica\Protocol\ActivityPub;
 use Friendica\Model\APContact;
 
 /**
@@ -27,7 +24,7 @@ class LDSignature
 		}
 
 		$actor = JsonLD::fetchElement($data, 'actor', 'id');
-		if (empty($actor)) {
+		if (empty($actor) || !is_string($actor)) {
 			return false;
 		}