Add ABSPATH check to all PHP files for security

Added `if ( ! defined( 'ABSPATH' ) ) { exit; }` to the top of all PHP files to prevent direct access and improve security. Updated .gitignore to clean up formatting and ignore .claude. Updated README to reflect compatibility with WordPress 6.9. Added microsub.zip to the repository.

Author: pfefferle

.gitignore

@@ -1,10 +1,11 @@
 # Dependencies
-/vendor/
-/node_modules/
+/vendor
+/node_modules
 
 # IDE
-.idea/
-.vscode/
+.idea
+.vscode
+.claude
 *.sublime-project
 *.sublime-workspace
 

README.md

@@ -4,7 +4,7 @@
 - Donate link: https://notiz.blog/donate/
 - Tags: microsub, indieweb, reader, feeds, rss
 - Requires at least: 6.2
-- Tested up to: 6.7
+- Tested up to: 6.9
 - Stable tag: 1.0.0
 - Requires PHP: 7.4
 - License: GPL-2.0-or-later

includes/adapters/class-activitypub.php

@@ -7,6 +7,10 @@
 
 namespace Microsub\Adapters;
 
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
 use Microsub\Adapter;
 use Activitypub\Collection\Following;
 use Activitypub\Collection\Remote_Actors;

includes/adapters/class-friends.php

@@ -7,6 +7,10 @@
 
 namespace Microsub\Adapters;
 
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
 use Microsub\Adapter;
 
 /**

includes/adapters/class-wordpress.php

@@ -7,6 +7,10 @@
 
 namespace Microsub\Adapters;
 
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
 use Microsub\Adapter;
 
 /**

includes/class-adapter.php

@@ -7,6 +7,10 @@
 
 namespace Microsub;
 
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
 /**
  * Abstract Class Adapter
  *

includes/class-autoloader.php

@@ -7,6 +7,10 @@
 
 namespace Microsub;
 
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
 /**
  * An Autoloader that respects WordPress's filename standards.
  */

includes/class-error.php

@@ -9,6 +9,10 @@
 
 namespace Microsub;
 
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
 /**
  * Class Error
  *

includes/class-microsub.php

@@ -7,6 +7,10 @@
 
 namespace Microsub;
 
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
 /**
  * Microsub Class.
  *

includes/class-rest-controller.php

@@ -7,6 +7,10 @@
 
 namespace Microsub;
 
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
 /**
  * Class Rest_Controller
  *