From 6f07a3b7b416daa77f3b2415abd82bbd1c570177 Mon Sep 17 00:00:00 2001
From: ansuz <ansuz@transitiontech.ca>
Date: Tue, 7 Feb 2017 10:39:42 +0100
Subject: [PATCH] erase lingering sessionStorage values when logging out

---
 www/common/cryptpad-common.js | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/www/common/cryptpad-common.js b/www/common/cryptpad-common.js
index dae4c3e62..759487ec9 100644
--- a/www/common/cryptpad-common.js
+++ b/www/common/cryptpad-common.js
@@ -82,6 +82,19 @@ define([
         if (cb) { cb(); }
     };
 
+    var eraseTempSessionValues = common.eraseTempSessionValues = function () {
+        // delete sessionStorage values that might have been left over
+        // from the main page's /user redirect
+        [
+            'login_user',
+            'login_pass',
+            'login_remember',
+            'register'
+        ].forEach(function (k) {
+            delete sessionStorage[k];
+        });
+    };
+
     var logout = common.logout = function (cb) {
         [
             userNameKey,
@@ -97,6 +110,8 @@ define([
         if (!localStorage[fileHashKey]) {
             localStorage[fileHashKey] = common.createRandomHash();
         }
+        eraseTempSessionValues();
+
         if (cb) { cb(); }
     };