From 23330fe04389797dd9f44a71bb345584e250fc46 Mon Sep 17 00:00:00 2001
From: Alexander Sagen <alexander@sagen.me>
Date: Fri, 26 Apr 2024 11:40:49 +0200
Subject: [PATCH] Encoding\DkimTagValue: Allow trailing separator

---
 composer.json                   | 2 +-
 src/encoding/dkim_tag_value.php | 8 +++++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/composer.json b/composer.json
index f05be61..54eca61 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,6 @@
 {
     "name": "alexrsagen/obie",
-    "version": "1.6.6",
+    "version": "1.6.7",
     "type": "framework",
     "description": "Obie is a simple PHP framework. It aims to provide basic services needed for any web app.",
     "keywords": ["framework", "php", "http", "template", "view", "router", "routing", "model", "models", "session", "sessions"],
diff --git a/src/encoding/dkim_tag_value.php b/src/encoding/dkim_tag_value.php
index 22b2933..43a25f1 100644
--- a/src/encoding/dkim_tag_value.php
+++ b/src/encoding/dkim_tag_value.php
@@ -23,7 +23,13 @@ public static function decode(string $input, bool $strict = true, string $versio
 		$output = new TagList();
 
 		$tag_list = explode(';', $input);
-		foreach ($tag_list as $tag_spec) {
+		foreach ($tag_list as $i => $tag_spec) {
+			// allow trailing separator
+			if ($i === count($tag_list) - 1 && strlen($tag_spec) === 0) {
+				break;
+			}
+
+			// extract tag-name and tag-value
 			$tag_name_value = explode('=', $tag_spec, 2);
 			if (count($tag_name_value) !== 2) {
 				Log::warning('DkimTagValue: unexpected tag-spec without tag-value');