Fix tenant archive S3 upload

backend/src/utils/tenantFullExport.ts

@@ -1,7 +1,10 @@
 import { FastifyInstance } from "fastify"
 import { GetObjectCommand, PutObjectCommand } from "@aws-sdk/client-s3"
 import archiver from "archiver"
-import { PassThrough } from "stream"
+import { createReadStream, createWriteStream } from "fs"
+import { stat, unlink } from "fs/promises"
+import os from "os"
+import path from "path"
 import { BlobReader, TextWriter, Uint8ArrayWriter, ZipReader } from "@zip.js/zip.js"
 
 import { pool } from "../../db"
@@ -382,23 +385,21 @@ export const createTenantFullExportArchive = async (
     const storagePath = options.storagePath || `tenant-exports/${tenantId}/${Date.now()}-${filename}`
     const fileRows = exportData.tables.files || []
     const archive = archiver("zip", { zlib: { level: 6 } })
-    const output = new PassThrough()
-    let size = 0
-
-    output.on("data", (chunk: Buffer) => {
-        size += chunk.length
+    const tempPath = path.join(os.tmpdir(), `fedeo-tenant-export-${tenantId}-${Date.now()}-${filename}`)
+    const output = createWriteStream(tempPath)
+    const archiveComplete = new Promise<void>((resolve, reject) => {
+        output.on("close", resolve)
+        output.on("error", reject)
+        archive.on("error", reject)
+        archive.on("warning", (err) => {
+            if ((err as NodeJS.ErrnoException).code === "ENOENT") return
+            reject(err)
+        })
     })
-
-    const uploadPromise = s3.send(new PutObjectCommand({
-        Bucket: secrets.S3_BUCKET,
-        Key: storagePath,
-        Body: output,
-        ContentType: "application/zip",
-        ContentDisposition: `attachment; filename="${filename}"`,
-    }))
 
     archive.pipe(output)
 
+    try {
         const tables = Object.entries(exportData.tables)
             .sort(([a], [b]) => a.localeCompare(b))
             .map(([table, rows]) => {
@@ -456,7 +457,17 @@ export const createTenantFullExportArchive = async (
 
         archive.append(jsonBuffer(manifest), { name: "manifest.json" })
         await archive.finalize()
-    await uploadPromise
+        await archiveComplete
+
+        const { size } = await stat(tempPath)
+        await s3.send(new PutObjectCommand({
+            Bucket: secrets.S3_BUCKET,
+            Key: storagePath,
+            Body: createReadStream(tempPath),
+            ContentLength: size,
+            ContentType: "application/zip",
+            ContentDisposition: `attachment; filename="${filename}"`,
+        }))
 
         return {
             filename,
@@ -466,6 +477,9 @@ export const createTenantFullExportArchive = async (
             filesTotal,
             filesDone,
         }
+    } finally {
+        await unlink(tempPath).catch(() => undefined)
+    }
 }
 
 const restoreFiles = async (exportData: TenantFullExport) => {