From 829a28dc68906ea9311fbeacec0edaa764edf0a8 Mon Sep 17 00:00:00 2001
From: Mojmir Fendek <mfendek@silverstripe.com>
Date: Fri, 20 Sep 2024 14:04:36 +1200
Subject: [PATCH 1/2] FIX: Member form validator fix.

---
 src/Security/Member.php | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/Security/Member.php b/src/Security/Member.php
index 2003e8f05..6d9889989 100644
--- a/src/Security/Member.php
+++ b/src/Security/Member.php
@@ -15,6 +15,7 @@ use SilverStripe\Core\Convert;
 use SilverStripe\Core\Injector\Injector;
 use SilverStripe\Dev\TestMailer;
 use SilverStripe\Forms\CheckboxField;
+use SilverStripe\Forms\CompositeValidator;
 use SilverStripe\Forms\ConfirmedPasswordField;
 use SilverStripe\Forms\DropdownField;
 use SilverStripe\Forms\FieldList;
@@ -696,6 +697,20 @@ class Member extends DataObject
         return $validator;
     }
 
+    public function getCMSCompositeValidator(): CompositeValidator
+    {
+        // Add the member validator before extension point, so it's much easier to customise this
+        // via an extension
+        $this->beforeExtending(
+            'updateCMSCompositeValidator',
+            function (CompositeValidator $compositeValidator): void {
+                $memberValidator = $this->getValidator();
+                $compositeValidator->addValidator($memberValidator);
+            }
+        );
+
+        return parent::getCMSCompositeValidator();
+    }
 
     /**
      * Temporarily act as the specified user, limited to a $callback, but

From 55564814b90c7ea7b99f264eeef5dae3c1f26341 Mon Sep 17 00:00:00 2001
From: Mojmir Fendek <mfendek@silverstripe.com>
Date: Fri, 27 Sep 2024 14:44:29 +1200
Subject: [PATCH 2/2] Add a test.

---
 .../Core/Validation/MemberValidatorTest.php   | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 tests/php/Core/Validation/MemberValidatorTest.php

diff --git a/tests/php/Core/Validation/MemberValidatorTest.php b/tests/php/Core/Validation/MemberValidatorTest.php
new file mode 100644
index 000000000..f5e345061
--- /dev/null
+++ b/tests/php/Core/Validation/MemberValidatorTest.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace SilverStripe\Core\Tests\Validation;
+
+use SilverStripe\Dev\SapphireTest;
+use SilverStripe\Security\Member;
+use SilverStripe\Security\Member_Validator;
+
+class MemberValidatorTest extends SapphireTest
+{
+    protected $usesDatabase = false;
+
+    public function testMemberValidator(): void
+    {
+        $member = new Member();
+        $compositeValidator = $member->getCMSCompositeValidator();
+
+        $memberValidators = $compositeValidator->getValidatorsByType(Member_Validator::class);
+        $this->assertCount(1, $memberValidators, 'We expect exactly one member validator');
+    }
+}