backtrace openssl_verify errors so that we can find bad keys - as there is very little relevant context available at this level.

1 files changed, 4 insertions, 3 deletions

diff --git a/Zotlabs/Zot/Receiver.php b/Zotlabs/Zot/Receiver.php
index 238de1332..71d57eb35 100644
--- a/Zotlabs/Zot/Receiver.php
+++ b/Zotlabs/Zot/Receiver.php
@@ -41,9 +41,10 @@ class Receiver {
 		if(! $this->messagetype)
 			$this->error = true;
 
-		$this->sender     = ((array_key_exists('sender',$this->data)) ? $this->data['sender'] : null);
-		$this->recipients = ((array_key_exists('recipients',$this->data)) ? $this->data['recipients'] : null);
-
+		if($this->data) {
+			$this->sender     = ((array_key_exists('sender',$this->data)) ? $this->data['sender'] : null);
+			$this->recipients = ((array_key_exists('recipients',$this->data)) ? $this->data['recipients'] : null);
+		}
 
 		if($this->sender)
 			$this->ValidateSender();