From f80fe38e3608ea32eb3da08be30b894510e5b35d Mon Sep 17 00:00:00 2001
From: Alexander Sagen <alexander@sagen.me>
Date: Fri, 26 Apr 2024 19:35:44 +0200
Subject: [PATCH] Ip\Cidr: Set SPF <target-name> to <domain> if not explicitly
 specified

---
 composer.json   |  2 +-
 src/ip/cidr.php | 10 ++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/composer.json b/composer.json
index a447bba..aa02c05 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,6 @@
 {
     "name": "alexrsagen/obie",
-    "version": "1.6.8",
+    "version": "1.6.9",
     "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/ip/cidr.php b/src/ip/cidr.php
index a7c3ecb..c40553f 100644
--- a/src/ip/cidr.php
+++ b/src/ip/cidr.php
@@ -157,6 +157,16 @@ public static function fromSpf1RecordLookup(string $dns_name, int &$max_dns_look
 			$record = Spf1::decode($txt_record['txt']);
 			if (!$record) continue;
 
+			// set <target-name> to <domain> ($dns_name) if not explicitly specified
+			foreach ($record->directives as $directive) {
+				if (strlen($directive->value) === 0 && in_array($directive->mechanism, [
+					Spf1::MECHANISM_A,
+					Spf1::MECHANISM_MX,
+				])) {
+					$directive->value = $dns_name;
+				}
+			}
+
 			return static::fromSpf1Record($record, $max_dns_lookup, $max_dns_mx_host_lookup);
 		}