handlers: permisison check for all pages + retrieve user-specific permissions for pages (if any)

handlers/handlerdefault.cpp

@@ -20,7 +20,7 @@ SOFTWARE.
 */
 #include "handlerdefault.h"
 
-Response HandlerDefault::handle(const Request &r)
+Response HandlerDefault::handleRequest(const Request &r)
 {
 	return Response::redirectTemporarily(this->urlProvider->index());
 }
@@ -28,3 +28,8 @@ Response HandlerDefault::handle(const Request &r)
 HandlerDefault::~HandlerDefault()
 {
 }
+
+bool HandlerDefault::canAccess(const Permissions &perms)
+{
+	return true;
+}