1 files changed, 18 insertions, 0 deletions

diff --git a/lib/util.js b/lib/util.js
index 58bb4b0..c01d96c 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -165,6 +165,8 @@ u.customError = function (name) {
 u.escapeHTML = function (html) {
   if (!html) return ''
   return html.toString('utf8')
+    .replace(/&/g, '&')
+    .replace(/"/g, '"')
     .replace(/</g, '&lt;')
     .replace(/>/g, '&gt;')
 }
@@ -242,3 +244,19 @@ u.unwrapP = function(html) {
   })
 }
 
+u.estimateMessageSize = function (content) {
+  var draftMsg = {
+    key: '%0000000000000000000000000000000000000000000=.sha256',
+    value: {
+      previous: '%0000000000000000000000000000000000000000000=.sha256',
+      author: '@0000000000000000000000000000000000000000000=.ed25519',
+      sequence: 10000,
+      timestamp: 1000000000000,
+      hash: 'sha256',
+      content: content,
+      signature: '00000000000000000000000000000000000000000000000000000000000000000000000000000000000000==.sig.ed25519'
+    }
+  }
+
+  return JSON.stringify(draftMsg, null, 2).length
+}