From 524e4b59150cb62774332d8da4e2dd4e05457660 Mon Sep 17 00:00:00 2001
From: Val Packett <val@packett.cool>
Date: Sun, 28 Aug 2022 01:54:02 +0300
Subject: [PATCH] Server: return 404 when db file has not been added yet

---
 tiddlypwa-server-sqlite.ts | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/tiddlypwa-server-sqlite.ts b/tiddlypwa-server-sqlite.ts
index dbe06bd..ebee882 100644
--- a/tiddlypwa-server-sqlite.ts
+++ b/tiddlypwa-server-sqlite.ts
@@ -274,6 +274,9 @@ function handleDbFile(pattern: URLPattern, req: Request, query: any, ctype: stri
 		return preflightResp('GET, HEAD, OPTIONS');
 	}
 	let [body, etag] = res[0];
+	if (!body) {
+		return Response.json({}, { status: 404 });
+	}
 	const [supportsBrotli, etagstr] = processEtag(etag, req.headers);
 	// if we decomress and Deno recompresses to something else (gzip) it'll mark the ETag as a weak validator
 	const headers = new Headers({
@@ -283,10 +286,7 @@ function handleDbFile(pattern: URLPattern, req: Request, query: any, ctype: stri
 		'etag': etagstr,
 	});
 	if (req.headers.get('if-none-match') === etagstr) {
-		return new Response(null, {
-			status: 304,
-			headers,
-		});
+		return new Response(null, { status: 304, headers });
 	}
 	if (supportsBrotli) {
 		headers.set('content-encoding', 'br');