Add simple login button & indicator to navbar

www/admin/index.php

@@ -1,10 +1,17 @@
+<?php
+require_once(__DIR__ . '/../../vendor/simplesamlphp/simplesamlphp/lib/_autoload.php');
+$as = new SimpleSAML_Auth_Simple('default-sp');
+$attrs = $as->getAttributes();
+?>
+
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <link rel="stylesheet" href="../css/normalize.css">
 <link rel="stylesheet" href="../css/style.css">
 <link rel="stylesheet" href="../css/events.css">
 <link rel="stylesheet" href="../css/admin.css">
 
-<nav><ul>
+<nav>
+	<ul>
 	<li><a href="../">hjem</a></li>
 	<!--<li><a href="../prosjekt/">prosjekter</a></li>-->
 	<li><a href="../kalender/">kalender</a></li>
@@ -12,6 +19,17 @@
 	<li><a href="../prosjekt/">prosjekter</a></li>
 	<li><a href="../kontakt/">kontakt</a></li>
 	<li><a href="../pvv/">wiki</a></li>
+	</ul>
+
+	<?php
+		$attr = $as->getAttributes();
+		if($attr){
+			$uname = $attr["uid"][0];
+			echo '<p class="login">logget inn som: ' . $uname . '</p>';
+		}else{
+			echo '<a class="login" href="' . $as->getLoginURL() . '">logg inn</a>';
+		}
+	?>
 </nav>
 
 <header class="admin">Stor-&shy;gutt-&shy;leketøy</header>