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add logout button #12

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add logout button #12

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29 changes: 28 additions & 1 deletion header.php
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Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,8 @@
$pages = array("Broadcast" => "broadcast.php",
"Hotline" => "hotline_staff.php",
"Call / Text" => "contact.php",
"Log" => "log.php");
"Log" => "log.php",
"Logout" => "javascript:logout();");

?>
<!DOCTYPE html>
Expand All @@ -37,6 +38,32 @@
<!-- Custom styles for this template -->
<link href="dashboard.css" rel="stylesheet">

<script>
// reference: http://stackoverflow.com/questions/233507/how-to-log-out-user-from-web-site-using-basic-authentication
function logout() {
var outcome, u, m = "You should be logged out now."
// IE has a simple solution for it - API:
try { outcome = document.execCommand("ClearAuthenticationCache") }catch(e){}
// Other browsers need a larger solution - AJAX call with special user name - 'logout'.
if (!outcome) {
outcome = (function(x){
if (x) {
x.open("HEAD", location.href, true, "logout", (new Date()).getTime().toString())
x.send("")
return 1
} else {
return
}
})(window.XMLHttpRequest ? new window.XMLHttpRequest() : ( window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP") : u ))
}
if (!outcome) {
m = "Your browser doesn't support log out functionality. Close all windows and restart the browser."
}
alert(m)
window.location = location.href
}
</script>

</head>
<body>

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