Added pre user registration event

core/classes/Core/Validate.php

@@ -613,6 +613,6 @@ private function getMessage(string $field, string $rule, string $fallback, ?arra
      */
     public function passed(): bool
     {
-        return $this->_passed;
+        return $this->_passed && !count($this->errors());
     }
 }

modules/Core/classes/Events/PreUserRegistrationEvent.php

@@ -0,0 +1,16 @@
+<?php
+
+class PreUserRegistrationEvent extends AbstractEvent {
+
+    use Cancellable;
+
+    public array $data;
+
+    public function __construct(array $data) {
+        $this->data = $data;
+    }
+
+    public static function internal(): bool {
+        return true;
+    }
+}

modules/Core/classes/Misc/CoreApiErrors.php

@@ -44,4 +44,5 @@ class CoreApiErrors {
     public const ERROR_WEBHOOK_URL_INCORRECT_LENGTH = 'core:webhook_url_incorrect_length';
     public const ERROR_WEBHOOK_INVALID_TYPE = 'core:webhook_type_invalid';
     public const ERROR_WEBHOOK_INVALID_EVENT = 'core:webhook_event_invalid';
+    public const ERROR_EVENT_CANCELLED = 'core:event_cancelled';
 }

modules/Core/includes/endpoints/RegisterEndpoint.php

@@ -38,6 +38,13 @@ public function execute(Nameless2API $api): void {
             $api->throwError(CoreApiErrors::ERROR_USERNAME_ALREADY_EXISTS);
         }
 
+        $pre_registration_event = EventHandler::executeEvent(new PreUserRegistrationEvent(
+            $_POST,
+        ));
+        if ($pre_registration_event->isCancelled()) {
+            $api->throwError(CoreApiErrors::ERROR_EVENT_CANCELLED, $pre_registration_event->getCancelledReason());
+        }
+
         // Integrations
         if (isset($_POST['integrations'])) {
             $integrations = Integrations::getInstance();

modules/Core/module.php

@@ -301,6 +301,7 @@ public function __construct(Language $language, Pages $pages, User $user, Naviga
         EventHandler::registerEvent(UserWarnedEvent::class);
 
         // -- Pipelines
+        EventHandler::registerEvent(PreUserRegistrationEvent::class);
         EventHandler::registerEvent(PreCustomPageCreateEvent::class);
         EventHandler::registerEvent(PreCustomPageEditEvent::class);
         EventHandler::registerEvent(RenderContentEvent::class);

modules/Core/pages/authme_connector.php

@@ -109,6 +109,14 @@
                 },
             ]);
 
+            $pre_registration_event = EventHandler::executeEvent(new PreUserRegistrationEvent(
+                $_POST,
+            ));
+
+            if ($pre_registration_event->isCancelled()) {
+                $validation->addCustomError('custom', $pre_registration_event->getCancelledReason());
+            }
+
             if ($validation->passed()) {
                 // Get default language ID before creating user
                 $language_id = DB::getInstance()->get('languages', ['short_code', LANGUAGE]);

modules/Core/pages/register.php

@@ -189,6 +189,14 @@
                 Redirect::to(URL::build('/'));
             }
 
+            $pre_registration_event = EventHandler::executeEvent(new PreUserRegistrationEvent(
+                $_POST,
+            ));
+
+            if ($pre_registration_event->isCancelled()) {
+                $validation->addCustomError('custom', $pre_registration_event->getCancelledReason());
+            }
+
             // Check if any integrations wanna modify the validation
             foreach ($integrations->getEnabledIntegrations() as $integration) {
                 $integration->beforeRegistrationValidation($validation);