From 01911d9fc65fd2dde4f906d6fd5f547312051bd9 Mon Sep 17 00:00:00 2001
From: Hypolite Petovan <hypolite@mrpetovan.com>
Date: Sat, 11 Jul 2020 09:16:05 -0400
Subject: [PATCH] Add default value for potentially missing keyhash property in
 mod/salmon

---
 mod/salmon.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mod/salmon.php b/mod/salmon.php
index ea5c334c08..bc4410434b 100644
--- a/mod/salmon.php
+++ b/mod/salmon.php
@@ -79,7 +79,7 @@ function salmon_post(App $a, $xml = '') {
 	// stash away some other stuff for later
 
 	$type = $base->data[0]->attributes()->type[0];
-	$keyhash = $base->sig[0]->attributes()->keyhash[0];
+	$keyhash = $base->sig[0]->attributes()->keyhash[0] ?? '';
 	$encoding = $base->encoding;
 	$alg = $base->alg;