Prevented custom homepage being deleted

[bookstack] / app / Repos / EntityRepo.php

diff --git a/app/Repos/EntityRepo.php b/app/Repos/EntityRepo.php
index c2899b136ad341137642f30bb0e85605d5639e91..95ae2ed0e78673c73fbe19856fb923dcadf582cd 100644 (file)
--- a/app/Repos/EntityRepo.php
+++ b/app/Repos/EntityRepo.php
@@ -4,6 +4,7 @@ use BookStack\Book;
 use BookStack\Chapter;
 use BookStack\Entity;
 use BookStack\Exceptions\NotFoundException;
+use BookStack\Exceptions\NotifyException;
 use BookStack\Page;
 use BookStack\PageRevision;
 use BookStack\Services\AttachmentService;
@@ -1073,6 +1074,7 @@ class EntityRepo
     /**
      * Destroy a given page along with its dependencies.
      * @param Page $page
+     * @throws NotifyException
      */
     public function destroyPage(Page $page)
     {
@@ -1084,6 +1086,12 @@ class EntityRepo
         $this->permissionService->deleteJointPermissionsForEntity($page);
         $this->searchService->deleteEntityTerms($page);
 
+        // Check if set as custom homepage
+        $customHome = setting('app-homepage', '0:');
+        if (intval($page->id) === intval(explode(':', $customHome)[0])) {
+            throw new NotifyException(trans('errors.page_custom_home_deletion'), $page->getUrl());
+        }
+
         // Delete Attached Files
         $attachmentService = app(AttachmentService::class);
         foreach ($page->attachments as $attachment) {