Added mail message padding support

src/onionrcommands/daemonlaunch/quotes.py

@@ -18,7 +18,7 @@ QUOTES = [
     "James Bamford"),
     ("Freedom of the press is guaranteed only to those who own one",
     "A. J. Liebling"),
-    ("We kill people based on metadata",
+    ("\"Probably better than nothing\"",
     "")
 ]
 shuffle(QUOTES)

static-data/www/mail/index.html

@@ -160,9 +160,9 @@
                 </div>
                 <div class="column is-2">
                   <div class="field">
-                      <input id="messagePadding" type="checkbox"
+                      <input id="messagePaddingSetting" type="checkbox"
                       class="switch is-rounded is-warning" checked>
-                      <label for="messagePadding"></label>
+                      <label for="messagePaddingSetting"></label>
                   </div>
                 </div>
             </div>

static-data/www/mail/loadsettings.js

@@ -11,4 +11,7 @@ fetch('/config/get/mail', {
     if (mailSettings.default_forward_secrecy === false){
         document.getElementById('forwardSecrecySetting').checked = false
     }
+    if (mailSettings.use_padding === false){
+      document.getElementById('messagePaddingSetting').checked = false  
+    }
   })

static-data/www/mail/mail.js

@@ -88,6 +88,21 @@ function openThread(bHash, sender, date, sigBool, pubkey, subjectLine){
         document.getElementById('fromUser').value = sender || 'Anonymous'
         document.getElementById('fromUser').value = pubkey || ''
         document.getElementById('subjectView').innerText = subjectLine
+
+        resp = resp.split("")
+        let zeroCount = 0
+        for (x = resp.length - 1; x != 0; x--){
+            if (resp[x] == "0"){
+                zeroCount += 1
+            }
+            else{
+                break
+            }
+        }
+        resp.splice(resp.length - zeroCount, zeroCount)
+        resp = resp.join("")
+
+
         messageDisplay.innerText = resp
         var sigEl = document.getElementById('sigValid')
         var sigMsg = 'signature'

static-data/www/mail/sendmail.js

@@ -23,12 +23,35 @@ to = document.getElementById('draftID')
 subject = document.getElementById('draftSubject')
 friendPicker = document.getElementById('friendSelect')
 
-function sendMail(toData, message, subject){
+function utf8Length(s) {
+    var size = encodeURIComponent(s).match(/%[89ABab]/g);
+    return s.length + (size ? size.length : 0);
+  }
 
-    postData = {'message': message, 'to': toData, 'type': 'pm', 'encrypt': true, 'meta': JSON.stringify({'subject': subject})}
+function padString(string_data, round_nearest_byte_exponent = 3){
+    if (utf8Length(string_data) === 0){
+        string_data += '0'
+    }
+    let round_size = 10 ** round_nearest_byte_exponent
+    while (utf8Length(string_data) % round_size > 0){
+        string_data += '0'
+    }
+    return string_data
+}
+
+function sendMail(toData, message, subject){
+    let meta = {'subject': subject}
+
+    if (document.getElementById('messagePaddingSetting').checked){
+        message = padString(message)
+    }
+
+
+    postData = {'message': message, 'to': toData, 'type': 'pm', 'encrypt': true, 'meta': JSON.stringify(meta)}
     postData.forward = document.getElementById('forwardSecrecySetting').checked
     postData = JSON.stringify(postData)
     sendForm.style.display = 'none'
+
     fetch('/insertblock', {
         method: 'POST',
         body: postData,