added length check to local decryption as has been done for local encryption

Author: yahesh

CHANGELOG.md

@@ -1,3 +1,7 @@
+# 0.21b1 (2019-11-08)
+
+* added length check to local decryption as has been done for local encryption
+
 # 0.21b0 (2019-11-07)
 
 * introduced `router.php` for local debugging

index.php

@@ -1,6 +1,6 @@
 <?php
 
-  # Shared-Secrets v0.21b0
+  # Shared-Secrets v0.21b1
   #
   # Copyright (c) 2016-2019, SysEleven GmbH
   # All rights reserved.

pages/read/post.php

@@ -47,7 +47,7 @@
   <link href="/resources/css/read.css?<?= $cache_value ?>" integrity="sha256-wgpxEGDMqG2EJxicZqc40OJMPwN8rBAZTYLdGyagQGw=" rel="stylesheet" type="text/css" />
 
   <script src="/resources/js/lib.js?<?= $cache_value ?>" integrity="sha256-d6lWbau1r7bB+u7utpkOX6tLTXnbOPqD33NmIXHY19A=" type="text/javascript"></script>
-  <script src="/resources/js/read.js?<?= $cache_value ?>" integrity="sha256-BqgJySPsN6oROEdrmoXeZhxiy3cWbYNZVvhFqYi5B5E=" type="text/javascript"></script>
+  <script src="/resources/js/read.js?<?= $cache_value ?>" integrity="sha256-0dlCa+2uL8Tgjq7VlZtajGikqq5BptgpEkQTc0xl1vU=" type="text/javascript"></script>
   <script src="/resources/js/norepost.js?<?= $cache_value ?>" integrity="sha256-SdShL5XtGY7DRT4OatFFRS1b3QdADS22I8eEP1GA/As=" type="text/javascript"></script>
 
 <?php

pages/share/get.php

@@ -39,7 +39,7 @@
   <link href="/resources/css/share.css?<?= $cache_value ?>" integrity="sha256-EYu1Dc10IDi0yUOyV55YWmCKWfVlBj1rTMk/AsbViKE=" rel="stylesheet" type="text/css" />
 
   <script src="/resources/js/lib.js?<?= $cache_value ?>" integrity="sha256-d6lWbau1r7bB+u7utpkOX6tLTXnbOPqD33NmIXHY19A=" type="text/javascript"></script>
-  <script src="/resources/js/share.js?<?= $cache_value ?>" integrity="sha256-jVvsQvz1rwhbs7Ddpihie31jsn/9byFRLI88NnGXzGM=" type="text/javascript"></script>
+  <script src="/resources/js/share.js?<?= $cache_value ?>" integrity="sha256-sNJqhCLJH7s32SPq0o7P9LJAtxTUhvAOT1CBzfZLbac=" type="text/javascript"></script>
 
 <?php
 

resources/js/read.js

@@ -15,8 +15,14 @@
 
   // action happening on local decryption
   async function decrypt() {
-    var result = await decrypt_v00(document.getElementById("secret").innerHTML,
-                                   document.getElementById("password").value);
+    var result = null;
+
+    // check the length of the input
+    if ((0 < document.getElementById("secret").innerHTML.length) &&
+        (0 < document.getElementById("password").value.length)) {
+      result = await decrypt_v00(document.getElementById("secret").innerHTML,
+                                 document.getElementById("password").value);
+    }
 
     if (null != result) {
       document.getElementById("secret").innerHTML = html_entities(result);

resources/js/share.js

@@ -25,7 +25,6 @@
 
   // action happening on local encryption
   async function encrypt() {
-
     var result = null;
 
     // check the length of the input