X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FUtil%2FLDSignature.php;h=9762b837f3bca737269d4ca87f78d95d5f45f855;hb=256e845c5dd606d6e0f1d401a0859b6f8728fb2d;hp=e53590cf312cc2da5852bfe1bb473415ba3d6261;hpb=bd972151478f40f73585519110700222a1931d44;p=friendica.git

diff --git a/src/Util/LDSignature.php b/src/Util/LDSignature.php
index e53590cf31..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;
 		}
 
@@ -54,7 +51,7 @@ class LDSignature
 	{
 		$options = [
 			'type' => 'RsaSignature2017',
-			'nonce' => random_string(64),
+			'nonce' => Strings::getRandomHex(64),
 			'creator' => $owner['url'] . '#main-key',
 			'created' => DateTimeFormat::utcNow(DateTimeFormat::ATOM)
 		];