Add logout page

public_html/modules/logout.php

@@ -0,0 +1,31 @@
+<?php
+/*
+ * ReDonate is more free software. It is licensed under the WTFPL, which
+ * allows you to do pretty much anything with it, without having to
+ * ask permission. Commercial use is allowed, and no attribution is
+ * required. We do politely request that you share your modifications
+ * to benefit other developers, but you are under no enforced
+ * obligation to do so :)
+ * 
+ * Please read the accompanying LICENSE document for the full WTFPL
+ * licensing text.
+ */
+ 
+if(empty($_APP)) { die("Unauthorized."); }
+
+$uLogoutKey = $router->uParameters[1];
+
+if(!empty($_SESSION['logout_key']) && $_SESSION['logout_key'] == $uLogoutKey)
+{
+	unset($_SESSION['user_id']);
+	unset($_SESSION['logout_key']);
+
+	$sPageTitle = "Logged out";
+	$sPageContents = NewTemplater::Render("logout", $locale->strings, array());
+
+	NewTemplater::SetGlobalVariable("logged-in", false);
+}
+else
+{
+	throw new RouterException("No valid logout key specified.");
+}

public_html/rewrite.php

@@ -30,6 +30,7 @@ $router->routes = array(
 								),
 		"^/sign-up$"					=> "modules/signup.php",
 		"^/login$"					=> "modules/login.php",
+		"^/logout/([a-zA-Z0-9]+)$"			=> "modules/logout.php",
 		"^/confirm/(.+)/([a-zA-Z0-9]+)"			=> "modules/confirm.php",
 		"^/dashboard"					=> "modules/dashboard.php",
 		"^/campaign/([a-zA-Z0-9-]+)$"			=> "modules/landing.php",

public_html/templates/logout.tpl

@@ -0,0 +1,5 @@
+<h2>You've been logged out.</h2>
+
+<p>
+	Thanks for using ReDonate!
+</p>