feat: Security

toju-app/src/app/infrastructure/persistence/browser-database.service.ts

@@ -6,7 +6,8 @@ import {
   User,
   Room,
   Reaction,
-  BanEntry
+  BanEntry,
+  type MessageRevision
 } from '../../shared-kernel';
 import type { ChatAttachmentMeta, CustomEmoji } from '../../shared-kernel';
 import { getStoredCurrentUserId } from '../../core/storage/current-user-storage';
@@ -25,6 +26,7 @@ const STORE_BANS = 'bans';
 const STORE_META = 'meta';
 const STORE_ATTACHMENTS = 'attachments';
 const STORE_CUSTOM_EMOJIS = 'customEmojis';
+const STORE_MESSAGE_REVISIONS = 'messageRevisions';
 /** All object store names, used when clearing the entire database. */
 const ALL_STORE_NAMES: string[] = [
   STORE_MESSAGES,
@@ -34,6 +36,7 @@ const ALL_STORE_NAMES: string[] = [
   STORE_BANS,
   STORE_ATTACHMENTS,
   STORE_CUSTOM_EMOJIS,
+  STORE_MESSAGE_REVISIONS,
   STORE_META
 ];
 
@@ -67,6 +70,13 @@ export class BrowserDatabaseService {
     await this.put(STORE_MESSAGES, message);
   }
 
+  async saveMessageRevision(revision: MessageRevision): Promise<void> {
+    await this.put(STORE_MESSAGE_REVISIONS, {
+      ...revision,
+      id: `${revision.messageId}:${revision.revision}`
+    });
+  }
+
   /**
     * Retrieve the latest messages for a room, sorted oldest-first for display.
    * @param roomId - Target room.