From 7e93f950eb21b5ba7ed073d81b5fa6e4f2cfe892 Mon Sep 17 00:00:00 2001
From: Luke Bratch <l_bratch@yahoo.co.uk>
Date: Sun, 21 Sep 2014 12:42:46 +0100
Subject: Add a sign out function

---
 index.php | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/index.php b/index.php
index b8eadfc..acd7de7 100644
--- a/index.php
+++ b/index.php
@@ -1,6 +1,16 @@
 <?php
 include('config.php');
 
+$signout = '<a href="' . basename($_SERVER['PHP_SELF']) . '?signout">Sign out</a>';
+
+if (isset($_GET['signout'])) {
+  if (isset($_COOKIE['password'])) {
+    unset($_COOKIE['password']);
+    setcookie('password', null, -1, '/', $_SERVER['SERVER_NAME']);
+    header('Location: ' . $url);
+  }
+}
+
 if ($_POST && $pass) {
   if ((hash("sha256", $_POST['password']) == $pass)) {
     if (isset($_POST['rememberme'])) {
@@ -40,6 +50,8 @@ if ($_POST && $pass) {
 <?php
     exit();
   }
+} else {
+  $signout = "";
 }
 
 function size_readable($size, $max = null, $system = 'si', $retstring = '%01.2f %s') {
@@ -284,7 +296,7 @@ if ($headerfile) {
   echo file_get_contents($headerfile);
 }
 ?>
-<pre><img src="/icons/blank.gif" alt="Icon "> <a href="<?php echo $nameurl; ?>">Name</a>                    <a href="<?php echo $modifiedurl; ?>">Last modified</a>      <a href="<?php echo $sizeurl; ?>">Size</a>
+<pre><img src="/icons/blank.gif" alt="Icon "> <a href="<?php echo $nameurl; ?>">Name</a>                    <a href="<?php echo $modifiedurl; ?>">Last modified</a>      <a href="<?php echo $sizeurl; ?>">Size</a>        <?php echo $signout; ?>
 <hr><?php
 for ($i = 0; $i < count($listing); $i++) {
   if (strlen($listing[$i]['filename']) > 23) {
-- 
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