From 980e613a7bcf0c1d7e2ab6de4db7f11d52574f3a Mon Sep 17 00:00:00 2001
From: Tom Moor <tom.moor@gmail.com>
Date: Wed, 29 Mar 2023 07:43:40 -0400
Subject: [PATCH] fix: Download as Markdown should use .md extension closes
 #5113

---
 server/routes/api/documents/documents.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/server/routes/api/documents/documents.ts b/server/routes/api/documents/documents.ts
index 1042d2ec0..b8258c3c6 100644
--- a/server/routes/api/documents/documents.ts
+++ b/server/routes/api/documents/documents.ts
@@ -530,12 +530,17 @@ router.post(
     }
 
     if (contentType !== "application/json") {
+      // Override the extension for Markdown as it's incorrect in the mime-types
+      // library until a new release > 2.1.35
+      const extension =
+        contentType === "text/markdown" ? "md" : mime.extension(contentType);
+
       ctx.set("Content-Type", contentType);
       ctx.set(
         "Content-Disposition",
         `attachment; filename="${slugify(
           document.titleWithDefault
-        )}.${mime.extension(contentType)}"`
+        )}.${extension}"`
       );
       ctx.body = content;
       return;