From 61a872937d027d0a91c102e6b625682bbade9b12 Mon Sep 17 00:00:00 2001
From: Sean Trantalis <strantalis@virtru.com>
Date: Sat, 9 Nov 2024 19:55:56 -0500
Subject: [PATCH 1/2] fix: set defatult mimeType in tdf manifest

---
 lib/tdf3/src/tdf.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/tdf3/src/tdf.ts b/lib/tdf3/src/tdf.ts
index 699c2633..3c8cc23b 100644
--- a/lib/tdf3/src/tdf.ts
+++ b/lib/tdf3/src/tdf.ts
@@ -68,6 +68,7 @@ import { SymmetricCipher } from './ciphers/symmetric-cipher-base.js';
 
 // TODO: input validation on manifest JSON
 const DEFAULT_SEGMENT_SIZE = 1024 * 1024;
+const DEFAULT_MIME_TYPE = 'application/octet-stream';
 
 /**
  * Configuration for TDF3
@@ -445,7 +446,7 @@ async function _generateManifest(
     protocol: 'zip',
     isEncrypted: true,
     schemaVersion: '3.0.0',
-    ...(mimeType && { mimeType }),
+    mimeType: mimeType || DEFAULT_MIME_TYPE,
   };
 
   const encryptionInformationStr = await encryptionInformation.write(policy, keyInfo);

From 819241dcb89b31c28dd92e7349d104fb06589b45 Mon Sep 17 00:00:00 2001
From: Sean Trantalis <strantalis@virtru.com>
Date: Sat, 9 Nov 2024 20:33:24 -0500
Subject: [PATCH 2/2] set default param instead

---
 lib/tdf3/src/tdf.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/tdf3/src/tdf.ts b/lib/tdf3/src/tdf.ts
index 3c8cc23b..6654cf72 100644
--- a/lib/tdf3/src/tdf.ts
+++ b/lib/tdf3/src/tdf.ts
@@ -437,7 +437,7 @@ async function _generateManifest(
   keyInfo: KeyInfo,
   encryptionInformation: SplitKey,
   policy: Policy,
-  mimeType: string | undefined
+  mimeType: string = DEFAULT_MIME_TYPE
 ): Promise<Manifest> {
   // (maybe) Fields are quoted to avoid renaming
   const payload = {
@@ -446,7 +446,7 @@ async function _generateManifest(
     protocol: 'zip',
     isEncrypted: true,
     schemaVersion: '3.0.0',
-    mimeType: mimeType || DEFAULT_MIME_TYPE,
+    mimeType: mimeType,
   };
 
   const encryptionInformationStr = await encryptionInformation.write(policy, keyInfo);