Save mail password encrypted in configuration file

plugins/dynamix/SmtpSettings.page

@@ -14,6 +14,9 @@ Title="SMTP Settings"
  */
 ?>
 <?
+require_once 'webGui/include/Encryption.php';
+
+$ssmtp['AuthPass'] = base64_decrypt($ssmtp['AuthPass']);
 $incomplete = strlen($ssmtp['root'])==0 || strlen($ssmtp['server'])==0 || strlen($ssmtp['port'])==0 || ((strlen($ssmtp['AuthUser'])==0 || strlen($ssmtp['AuthPass'])==0) && $ssmtp['AuthMethod']!='none');
 ?>
 <script>
@@ -66,6 +69,7 @@ function settings(form, data) {
 <form markdown="1" name="smtp_setup" method="POST" action="/update.php" target="progressFrame" onsubmit="return mailcheck(this)" onchange="disableTest()">
 <input type="hidden" name="#file"  value="dynamix/dynamix.cfg">
 <input type="hidden" name="#section" value="ssmtp">
+<input type="hidden" name="#include" value="/webGui/include/update.ssmtp.php">
 <input type="hidden" name="#command" value="/webGui/scripts/notify">
 <input type="hidden" name="#arg[1]" value="smtp-init">
 Preset service:

plugins/dynamix/include/Encryption.php

@@ -0,0 +1,63 @@
+<?PHP
+// PHP encrypt decrypt using base64
+// v1 (2013-04-14)
+// http://www.geocontext.org/publ/2013/04/base64_encrypt_decrypt/
+// Krystian Pietruszka
+// www.geocontext.org
+// info@geocontext.org
+// Public domain license
+
+// Adapted by Bergware for use in unRAID
+// forced use of hash key
+
+/*
+Example encrypt:
+  base64_encrypt('AuthPass');
+
+Example decrypt:
+  base64_decrypt('AuthPass');
+*/
+
+$abc = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
+$key = 'unraid#hash#key';
+
+function base64_encrypt($pw) {
+  global $abc, $key;
+  $s = '';
+  $a = str_split('+/='.$abc);
+  $b = str_split(mixing_key(strrev('-_='.$abc), $key));
+  $t = str_split(base64_encode(substr(md5($key),0,16).$pw));
+  for ($i=0; $i<count($t); $i++) for ($j=0; $j<count($a); $j++) {
+    if ($t[$i]==$a[$j]) $s .= $b[$j];
+  }
+  return $s;
+}
+
+function base64_decrypt($pw) {
+  global $abc, $key;
+  $s = '';
+  $a = str_split('+/='.$abc);
+  $b = str_split(mixing_key(strrev('-_='.$abc), $key));
+  $t = str_split($pw);
+  for ($i=0; $i<count($t); $i++) for ($j=0; $j<count($b); $j++) {
+    if ($t[$i]==$b[$j]) $s .= $a[$j];
+  }
+  $s = base64_decode($s);
+  // return decrypted or plain password (backward compability)
+  return substr($s,0,16)==substr(md5($key),0,16) ? substr($s,16) : $pw;
+}
+
+function mixing_key($b, $key) {
+  $s = '';
+  $c = $b;
+  $t = str_split($b);
+  $k = str_split(sha1($key));
+  for ($i=0; $i<count($k); $i++) for ($j=0; $j<count($t); $j++) {
+    if ($k[$i]==$t[$j]) {
+      $c = str_replace($t[$j],'',$c);
+      if (!preg_match('/'.$t[$j].'/',$s)) $s .= $t[$j];
+    }
+  }
+  return $c.$s;
+}
+?>

plugins/dynamix/include/update.ssmtp.php

@@ -0,0 +1,17 @@
+<?PHP
+/* Copyright 2005-2016, Lime Technology
+ * Copyright 2012-2016, Bergware International.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2,
+ * as published by the Free Software Foundation.
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ */
+?>
+<?
+require_once 'webGui/include/Encryption.php';
+
+$_POST['AuthPass'] = base64_encrypt($_POST['AuthPass']);
+?>