filter:register.complete - plugins can redirect the user elsewhere post-registration

src/routes/authentication.js

@@ -109,14 +109,16 @@
 
 					require('../socket.io').emitUserCount();
 
-					if(req.body.referrer) {
-						res.redirect(req.body.referrer);
+					plugins.fireHook('filter:register.complete', uid, req.body.referrer, function(err, uid, destination) {
+						if(destination) {
+							res.redirect(destination);
 						} else {
 							res.redirect(nconf.get('relative_path') + '/');
 						}
 					});
 				});
 			});
+		});
 	}
 
 	Auth.initialize = function(app) {