From 9ca6ac4cdbec3d57068b490584d53f1755b3cc07 Mon Sep 17 00:00:00 2001
From: Andris Reinman <andris@kreata.ee>
Date: Mon, 5 Jun 2017 16:40:48 +0300
Subject: [PATCH] v1.0.44

---
 lib/message-handler.js | 15 +++++++++------
 package.json           |  2 +-
 2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/lib/message-handler.js b/lib/message-handler.js
index a8e9cea4..457830e7 100644
--- a/lib/message-handler.js
+++ b/lib/message-handler.js
@@ -13,6 +13,10 @@ const counters = require('./counters');
 // how many modifications to cache before writing
 const BULK_BATCH_SIZE = 150;
 const SCHEMA_VERSION = '1.0';
+// how much plaintext to store. this is indexed with a fulltext index
+const MAX_PLAINTEXT_CONTENT = 2 * 1024;
+// how much HTML content to store. not indexed
+const MAX_HTML_CONTENT = 300 * 1024;
 
 // index only the following headers for SEARCH
 const INDEXED_HEADERS = ['to', 'cc', 'subject', 'from', 'sender', 'reply-to', 'message-id', 'thread-index'];
@@ -165,11 +169,10 @@ class MessageHandler {
                             message.ha = false;
                         }
 
-                        let maxTextLength = 300 * 1024;
-
                         if (maildata.text) {
                             message.text = maildata.text.replace(/\r\n/g, '\n').trim();
-                            message.text = message.text.length <= maxTextLength ? message.text : message.text.substr(0, maxTextLength);
+                            // text is indexed with a fulltext index, so only store the beginning of it
+                            message.text = message.text.length <= MAX_PLAINTEXT_CONTENT ? message.text : message.text.substr(0, MAX_PLAINTEXT_CONTENT);
                             message.intro = message.text.replace(/\s+/g, ' ').trim();
                             if (message.intro.length > 128) {
                                 let intro = message.intro.substr(0, 128);
@@ -185,16 +188,16 @@ class MessageHandler {
                             let htmlSize = 0;
                             message.html = maildata.html
                                 .map(html => {
-                                    if (htmlSize >= maxTextLength || !html) {
+                                    if (htmlSize >= MAX_HTML_CONTENT || !html) {
                                         return '';
                                     }
 
-                                    if (htmlSize + Buffer.byteLength(html) <= maxTextLength) {
+                                    if (htmlSize + Buffer.byteLength(html) <= MAX_HTML_CONTENT) {
                                         htmlSize += Buffer.byteLength(html);
                                         return html;
                                     }
 
-                                    html = html.substr(0, htmlSize + Buffer.byteLength(html) - maxTextLength);
+                                    html = html.substr(0, htmlSize + Buffer.byteLength(html) - MAX_HTML_CONTENT);
                                     htmlSize += Buffer.byteLength(html);
                                     return html;
                                 })
diff --git a/package.json b/package.json
index 73a4cfa7..0ba0f8ec 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "wildduck",
-  "version": "1.0.43",
+  "version": "1.0.44",
   "description": "IMAP server built with Node.js and MongoDB",
   "main": "server.js",
   "scripts": {