From c818176ff1ff08a3de46febbdfb47ba8d96f5e45 Mon Sep 17 00:00:00 2001
From: matheusbsilva137 <matheus_barbosa137@hotmail.com>
Date: Mon, 24 Jul 2023 12:19:53 -0300
Subject: [PATCH 1/3] Do not auto close read file stream

---
 apps/meteor/server/ufs/ufs-methods.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/apps/meteor/server/ufs/ufs-methods.ts b/apps/meteor/server/ufs/ufs-methods.ts
index 724c9406165d..411bf0f66748 100644
--- a/apps/meteor/server/ufs/ufs-methods.ts
+++ b/apps/meteor/server/ufs/ufs-methods.ts
@@ -45,7 +45,7 @@ export async function ufsComplete(fileId: string, storeName: string): Promise<IU
 			const rs = fs.createReadStream(tmpFile, {
 				flags: 'r',
 				encoding: undefined,
-				autoClose: true,
+				autoClose: false,
 			});
 
 			// Clean upload if error occurs
@@ -58,6 +58,7 @@ export async function ufsComplete(fileId: string, storeName: string): Promise<IU
 			// Save file in the store
 			await store.write(rs, fileId, function (err, file) {
 				removeTempFile();
+				rs.close();
 
 				if (err) {
 					return reject(err);

From d96ecf2dde7a3e3955728cb18462d74b484c09f1 Mon Sep 17 00:00:00 2001
From: matheusbsilva137 <matheus_barbosa137@hotmail.com>
Date: Wed, 11 Oct 2023 13:23:29 -0300
Subject: [PATCH 2/3] Do not create read stream via fd

---
 apps/meteor/server/lib/dataExport/uploadZipFile.ts | 6 ++----
 apps/meteor/server/ufs/ufs-methods.ts              | 3 +--
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/apps/meteor/server/lib/dataExport/uploadZipFile.ts b/apps/meteor/server/lib/dataExport/uploadZipFile.ts
index e6a76472db7f..c50984ed26bf 100644
--- a/apps/meteor/server/lib/dataExport/uploadZipFile.ts
+++ b/apps/meteor/server/lib/dataExport/uploadZipFile.ts
@@ -1,5 +1,5 @@
 import { createReadStream } from 'fs';
-import { open, stat } from 'fs/promises';
+import { stat } from 'fs/promises';
 
 import type { IUser } from '@rocket.chat/core-typings';
 import { Users } from '@rocket.chat/models';
@@ -28,9 +28,7 @@ export const uploadZipFile = async (filePath: string, userId: IUser['_id'], expo
 		name: newFileName,
 	};
 
-	const { fd } = await open(filePath);
-
-	const stream = createReadStream('', { fd }); // @todo once upgrades to Node.js v16.x, use createReadStream from fs.promises.open
+	const stream = createReadStream(filePath); // @todo once upgrades to Node.js v16.x, use createReadStream from fs.promises.open
 
 	const userDataStore = FileUpload.getStore('UserDataFiles');
 
diff --git a/apps/meteor/server/ufs/ufs-methods.ts b/apps/meteor/server/ufs/ufs-methods.ts
index e111eecbceab..05228e059292 100644
--- a/apps/meteor/server/ufs/ufs-methods.ts
+++ b/apps/meteor/server/ufs/ufs-methods.ts
@@ -45,7 +45,7 @@ export async function ufsComplete(fileId: string, storeName: string): Promise<IU
 			const rs = fs.createReadStream(tmpFile, {
 				flags: 'r',
 				encoding: undefined,
-				autoClose: false,
+				autoClose: true,
 			});
 
 			// Clean upload if error occurs
@@ -58,7 +58,6 @@ export async function ufsComplete(fileId: string, storeName: string): Promise<IU
 			// Save file in the store
 			await store.write(rs, fileId, (err, file) => {
 				removeTempFile();
-				rs.close();
 
 				if (err) {
 					return reject(err);

From 1a22b318e61e818ea4f6c527c459ae27ddf00283 Mon Sep 17 00:00:00 2001
From: Matheus Barbosa Silva
 <36537004+matheusbsilva137@users.noreply.github.com>
Date: Wed, 11 Oct 2023 16:33:00 -0300
Subject: [PATCH 3/3] Create changesets

---
 .changeset/giant-baboons-beam.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .changeset/giant-baboons-beam.md

diff --git a/.changeset/giant-baboons-beam.md b/.changeset/giant-baboons-beam.md
new file mode 100644
index 000000000000..1ba1a8138426
--- /dev/null
+++ b/.changeset/giant-baboons-beam.md
@@ -0,0 +1,5 @@
+---
+"@rocket.chat/meteor": patch
+---
+
+Fixed server side error when exporting rooms messages as file