From 903277c222ded5602b177520b7eed05065390b35 Mon Sep 17 00:00:00 2001
From: Andrew Rumble <andrew.rumble@overleaf.com>
Date: Tue, 24 Jun 2025 12:12:45 +0100
Subject: [PATCH] Handle rangeHashes

GitOrigin-RevId: 9b9a67d8e45f17e948d003aed33cef6128a25744
---
 services/history-v1/storage/lib/backupArchiver.mjs | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/services/history-v1/storage/lib/backupArchiver.mjs b/services/history-v1/storage/lib/backupArchiver.mjs
index a10284070e..c6f0e3755d 100644
--- a/services/history-v1/storage/lib/backupArchiver.mjs
+++ b/services/history-v1/storage/lib/backupArchiver.mjs
@@ -49,10 +49,18 @@ class BackupBlobStore {
    * Required for BlobStore interface - not supported.
    *
    * @template T
+   * @param {string} hash
    * @return {Promise<T>}
    */
-  async getObject() {
-    throw new Error('Not implemented')
+  async getObject(hash) {
+    try {
+      const stream = await this.getStream(hash)
+      const buffer = await streams.readStreamToBuffer(stream)
+      return JSON.parse(buffer.toString())
+    } catch (err) {
+      logger.warn({ err, hash }, 'Failed to fetch chunk blob')
+      throw err
+    }
   }
 
   /**