From a904294db09ccaa93a5b561e7cd177026010e601 Mon Sep 17 00:00:00 2001
From: winter
Date: Wed, 7 May 2025 19:37:08 +0100
Subject: implement extension objects at a basic level

---
 Digitigrade/Policy.php | 23 ++++++++++++++++++++---
 1 file changed, 20 insertions(+), 3 deletions(-)

(limited to 'Digitigrade/Policy.php')

diff --git a/Digitigrade/Policy.php b/Digitigrade/Policy.php
index 973c229..f5ecbfb 100644
--- a/Digitigrade/Policy.php
+++ b/Digitigrade/Policy.php
@@ -2,6 +2,7 @@
 namespace Digitigrade;
 
 use Digitigrade\Model\Actor;
+use Digitigrade\Model\ExtensionObject;
 use Digitigrade\Model\Instance;
 use Digitigrade\Model\Interaction;
 use Digitigrade\Model\Note;
@@ -34,7 +35,14 @@ abstract class Policy {
         return true;
     }
 
-    // TODO: public function checkExtension()
+    /**
+     * Checks if an ExtensionObject is allowed and possibly alters it.
+     * @param ExtensionObject $extension the extension to check (may be modified in-place)
+     * @return bool true if allowed, false if the extension should be dropped
+     */
+    public function checkExtension(ExtensionObject $extension): bool {
+        return true;
+    }
 
     /**
      * Checks if an Actor is allowed to be federated to a certain Instance,
@@ -59,7 +67,7 @@ abstract class Policy {
     }
 
     /**
-     * Checks if an Note is allowed to be federated to a certain Instance,
+     * Checks if a Note is allowed to be federated to a certain Instance,
      * and possibly alters it.
      * @param Note $note the note to check (may be modified in-place)
      * @param ?Instance $instance the instance that is receiving this (may be null if unknown)
@@ -69,5 +77,14 @@ abstract class Policy {
         return true;
     }
 
-    // TODO: public function checkExtensionFederation()
+    /**
+     * Checks if an ExtensionObject is allowed to be federated to a certain Instance,
+     * and possibly alters it.
+     * @param ExtensionObject $extension the extension to check (may be modified in-place)
+     * @param ?Instance $instance the instance that is receiving this (may be null if unknown)
+     * @return bool true if allowed, false if the request should be cancelled
+     */
+    public function checkExtensionFederation(ExtensionObject $extension, ?Instance $instance): bool {
+        return true;
+    }
 }
\ No newline at end of file
-- 
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