From 734b0134d6488699f9fe9a5b4ae80c71b23b0d34 Mon Sep 17 00:00:00 2001
From: Andris Reinman <andris@reinman.eu>
Date: Thu, 10 Aug 2023 13:35:59 +0300
Subject: [PATCH] Include attachment sha256 in the filtering response

---
 lib/filter-handler.js | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/lib/filter-handler.js b/lib/filter-handler.js
index f423b03d..05c29947 100644
--- a/lib/filter-handler.js
+++ b/lib/filter-handler.js
@@ -697,7 +697,6 @@ class FilterHandler {
 
         try {
             let { data } = await this.addMessage(messageOpts);
-
             if (data) {
                 filterResults.push({
                     mailbox: data.mailbox && data.mailbox.toString(),
@@ -711,7 +710,14 @@ class FilterHandler {
                         userData,
                         response: 'Message stored as ' + data.id.toString(),
                         filterResults,
-                        attachments: (maildata && maildata.attachments) || []
+                        attachments: [].concat((maildata && maildata.attachments) || []).map(att => {
+                            let binaryHash = prepared.mimeTree?.attachmentMap?.[att.id];
+                            let resp = Object.assign({}, att); // cheap copy
+                            if (binaryHash) {
+                                resp.encodedSha256 = binaryHash.toString('base64');
+                            }
+                            return resp;
+                        })
                     },
                     prepared:
                         (!isEncrypted && {