Session: emulates session.cache_limiter & session.cache_expire

nette · Oct 31, 2019 · 8b44821 · 8b44821
1 parent b2380e4
commit 8b44821
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Showing 2 changed files with 136 additions and 0 deletions.
diff --git a/src/Http/Session.php b/src/Http/Session.php
@@ -105,6 +105,7 @@ public function start(): void
 		}
 
 		$this->sendCookie();
+		$this->sendCachingCookie();
 
 		$this->initialize();
 	}
@@ -509,4 +510,33 @@ private function sendCookie(): void
 			$tmp[0], $cookie['domain'], $cookie['secure'], $cookie['httponly'], $cookie['samesite'] ?? $tmp[1] ?? null
 		);
 	}
+
+
+	/**
+	 * Sends the cache control HTTP headers.
+	 */
+	private function sendCachingCookie(): void
+	{
+		$expire = 60 * ini_get('session.cache_expire');
+		switch (ini_get('session.cache_limiter')) {
+			case 'public':
+				$this->response->setHeader('Expires', Helpers::formatDate(time() + $expire));
+				$this->response->setHeader('Cache-Control', "public, max-age=$expire");
+				$this->response->setHeader('Last-Modified', Helpers::formatDate(getlastmod()));
+				return;
+			case 'private_no_expire':
+				$this->response->setHeader('Cache-Control', "private, max-age=$expire");
+				$this->response->setHeader('Last-Modified', Helpers::formatDate(getlastmod()));
+				return;
+			case 'private':
+				$this->response->setHeader('Expires', 'Mon, 23 Jan 1978 10:00:00 GMT');
+				$this->response->setHeader('Cache-Control', "private, max-age=$expire");
+				$this->response->setHeader('Last-Modified', Helpers::formatDate(getlastmod()));
+				return;
+			case 'nocache':
+				$this->response->setHeader('Expires', 'Mon, 23 Jan 1978 10:00:00 GMT');
+				$this->response->setHeader('Cache-Control', 'no-store, no-cache, must-revalidate'); // For HTTP/1.1 conforming clients
+				$this->response->setHeader('Pragma', 'no-cache'); // For HTTP/1.0 conforming clients
+		}
+	}
 }
diff --git a/tests/Http/Session.cache.phpt b/tests/Http/Session.cache.phpt
@@ -0,0 +1,106 @@
+<?php
+
+declare(strict_types=1);
+
+use Tester\Assert;
+
+
+require __DIR__ . '/../bootstrap.php';
+
+
+test(function () {
+	$factory = new Nette\Http\RequestFactory;
+	$response = new Nette\Http\Response;
+	$session = new Nette\Http\Session($factory->fromGlobals(), $response);
+
+	$session->setOptions([
+		'cache_limiter' => 'public',
+		'cache_expire' => '180',
+	]);
+	$session->start();
+
+	Assert::same(
+		[
+			'Set-Cookie' => ['PHPSESSID=' . $session->getId() . '; path=/; HttpOnly'],
+			'Expires' => [Nette\Http\Helpers::formatDate(time() + 180 * 60)],
+			'Cache-Control' => ['public, max-age=10800'],
+			'Last-Modified' => [Nette\Http\Helpers::formatDate(getlastmod())],
+		],
+		$response->getHeaders()
+	);
+
+	$session->close();
+});
+
+
+test(function () {
+	$factory = new Nette\Http\RequestFactory;
+	$response = new Nette\Http\Response;
+	$session = new Nette\Http\Session($factory->fromGlobals(), $response);
+
+	$session->setOptions([
+		'cache_limiter' => 'private_no_expire',
+		'cache_expire' => '180',
+	]);
+	$session->start();
+
+	Assert::same(
+		[
+			'Set-Cookie' => ['PHPSESSID=' . $session->getId() . '; path=/; HttpOnly'],
+			'Cache-Control' => ['private, max-age=10800'],
+			'Last-Modified' => [Nette\Http\Helpers::formatDate(getlastmod())],
+		],
+		$response->getHeaders()
+	);
+
+	$session->close();
+});
+
+
+test(function () {
+	$factory = new Nette\Http\RequestFactory;
+	$response = new Nette\Http\Response;
+	$session = new Nette\Http\Session($factory->fromGlobals(), $response);
+
+	$session->setOptions([
+		'cache_limiter' => 'private',
+		'cache_expire' => '180',
+	]);
+	$session->start();
+
+	Assert::same(
+		[
+			'Set-Cookie' => ['PHPSESSID=' . $session->getId() . '; path=/; HttpOnly'],
+			'Expires' => ['Mon, 23 Jan 1978 10:00:00 GMT'],
+			'Cache-Control' => ['private, max-age=10800'],
+			'Last-Modified' => [Nette\Http\Helpers::formatDate(getlastmod())],
+		],
+		$response->getHeaders()
+	);
+
+	$session->close();
+});
+
+
+test(function () {
+	$factory = new Nette\Http\RequestFactory;
+	$response = new Nette\Http\Response;
+	$session = new Nette\Http\Session($factory->fromGlobals(), $response);
+
+	$session->setOptions([
+		'cache_limiter' => 'nocache',
+	]);
+	$session->start();
+
+	Assert::same(
+		[
+			'Set-Cookie' => ['PHPSESSID=' . $session->getId() . '; path=/; HttpOnly'],
+			'Expires' => ['Mon, 23 Jan 1978 10:00:00 GMT'],
+			'Cache-Control' => ['no-store, no-cache, must-revalidate'],
+			'Pragma' => ['no-cache'],
+		],
+		$response->getHeaders()
+	);
+
+	$session->close();
+});