From e115edd79e964b32748cddbb99cd8d47fc4dda4e Mon Sep 17 00:00:00 2001
From: Fred Boniface <fjla@fredboniface.co.uk>
Date: Wed, 18 Feb 2026 19:39:24 +0000
Subject: [PATCH] Ensure S3 configured to create bucket if not exists

---
 src/sss.ts | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/src/sss.ts b/src/sss.ts
index ac76628..591d5a5 100644
--- a/src/sss.ts
+++ b/src/sss.ts
@@ -1,4 +1,4 @@
-import { S3Client } from "@aws-sdk/client-s3";
+import { S3Client, CreateBucketCommand, HeadBucketCommand, S3ServiceException } from "@aws-sdk/client-s3";
 import { Upload } from "@aws-sdk/lib-storage";
 import { createWriteStream } from "node:fs";
 import { Readable } from "node:stream";
@@ -24,7 +24,8 @@ export async function processAndStore(
             log("DEBUG", "Missing required variables for S3 Support - EXIT CODE 24");
             process.exit(24);
         }
-        log('INFO', `Streaming to S3: ${cfg.S3_BUCKET}/${filename}`);
+
+        log("DEBUG", "Opening connection to S3 Server");
 
         const client = new S3Client({
             endpoint: cfg.S3_ENDPOINT,
@@ -36,6 +37,21 @@ export async function processAndStore(
             forcePathStyle: true,
         });
 
+        // Check bucket exists, and create if needed
+        try {
+            await client.send(new HeadBucketCommand({ Bucket: cfg.S3_BUCKET }));
+        } catch (err) {
+            if (err instanceof S3ServiceException && err.$metadata.httpStatusCode === 404) {
+                log('INFO', `Bucket ${cfg.S3_BUCKET} does not exist, creating...`);
+                await client.send(new CreateBucketCommand({ Bucket: cfg.S3_BUCKET }));
+            } else {
+                log(`ERROR`, `Failed to verify bucket: ${cfg.S3_BUCKET}`);
+                process.exit(21);
+            }
+        }
+
+        log('INFO', `Streaming to S3: ${cfg.S3_BUCKET}/${filename}`);
+
         const upload = new Upload({
             client,
             params: {