# Pridaj middleware k ceste

> Zaregistruj middleware cez MIDDLEWARE() a pripoj ho k cestám príznakom #názov.

Framework: total5
Product: Total.js 5 (total5@0.0.19)
Language: sk
Content-SHA256: e68bb873e5cebf79296eda04356bee9aeb2593430f2cf18f5531e9ce2c77ec54
Snapshot: c0700e321579725c5cf4f5ace1ad7d2866d1b4f93c24a63c0b41b6b7998e976c
Sources: total5-installed@total5@0.0.19
Review: not-recorded

Middleware je funkcia, ktorá sa spustí pred handlerom cesty. Zavolaj `next()` a pokračuje sa, alebo odpovedz sám a požiadavku zastavíš. Zaregistruj ho raz cez `MIDDLEWARE(name, fn)` a k ceste ho pripoj cez `#name`.

```js definitions/middleware.js
MIDDLEWARE('apikey', function($, next) {
	if ($.headers['x-api-key'] === 'abc123')
		next();
	else
		$.invalid(401);
});
```

```js controllers/secure.js
exports.install = function() {
	ROUTE('GET /secure/ #apikey', secure);
	ROUTE('GET /open/', open);
};

function secure($) {
	$.json({ ok: true });
}

function open($) {
	$.json({ ok: true });
}
```