From: Michael <heluecht@pirati.ca>
Date: Thu, 26 Apr 2018 20:41:06 +0000 (+0000)
Subject: Avoid PHP warning with a missing key
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=4957ab8fbb80ae5a0550c554de4c5dd61dd41d36;p=friendica.git

Avoid PHP warning with a missing key
---

diff --git a/src/Protocol/Diaspora.php b/src/Protocol/Diaspora.php
index 6f03c0df87..70728a71ba 100644
--- a/src/Protocol/Diaspora.php
+++ b/src/Protocol/Diaspora.php
@@ -832,6 +832,10 @@ class Diaspora
 
 		if (isset($parent_author_signature)) {
 			$key = self::key($msg["author"]);
+			if (empty($key)) {
+				logger("No key found for parent author ".$msg["author"], LOGGER_DEBUG);
+				return false;
+			}
 
 			if (!Crypto::rsaVerify($signed_data, $parent_author_signature, $key, "sha256")) {
 				logger("No valid parent author signature for parent author ".$msg["author"]. " in type ".$type." - signed data: ".$signed_data." - Message: ".$msg["message"]." - Signature ".$parent_author_signature, LOGGER_DEBUG);
@@ -840,6 +844,10 @@ class Diaspora
 		}
 
 		$key = self::key($fields->author);
+		if (empty($key)) {
+			logger("No key found for author ".$fields->author, LOGGER_DEBUG);
+			return false;
+		}
 
 		if (!Crypto::rsaVerify($signed_data, $author_signature, $key, "sha256")) {
 			logger("No valid author signature for author ".$fields->author. " in type ".$type." - signed data: ".$signed_data." - Message: ".$msg["message"]." - Signature ".$author_signature, LOGGER_DEBUG);