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plugins/simplesaml/lib/vendor/symfony/framework-bundle/HttpCache/HttpCache.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bundle\FrameworkBundle\HttpCache;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpKernel\HttpCache\Esi;
+use Symfony\Component\HttpKernel\HttpCache\HttpCache as BaseHttpCache;
+use Symfony\Component\HttpKernel\HttpCache\Store;
+use Symfony\Component\HttpKernel\HttpCache\StoreInterface;
+use Symfony\Component\HttpKernel\HttpCache\SurrogateInterface;
+use Symfony\Component\HttpKernel\KernelInterface;
+
+/**
+ * Manages HTTP cache objects in a Container.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class HttpCache extends BaseHttpCache
+{
+    protected $cacheDir;
+    protected $kernel;
+
+    private ?StoreInterface $store = null;
+    private ?SurrogateInterface $surrogate;
+    private array $options;
+
+    /**
+     * @param $cache The cache directory (default used if null) or the storage instance
+     */
+    public function __construct(KernelInterface $kernel, string|StoreInterface|null $cache = null, ?SurrogateInterface $surrogate = null, ?array $options = null)
+    {
+        $this->kernel = $kernel;
+        $this->surrogate = $surrogate;
+        $this->options = $options ?? [];
+
+        if ($cache instanceof StoreInterface) {
+            $this->store = $cache;
+        } else {
+            $this->cacheDir = $cache;
+        }
+
+        if (null === $options && $kernel->isDebug()) {
+            $this->options = ['debug' => true];
+        }
+
+        if ($this->options['debug'] ?? false) {
+            $this->options += ['stale_if_error' => 0];
+        }
+
+        parent::__construct($kernel, $this->createStore(), $this->createSurrogate(), array_merge($this->options, $this->getOptions()));
+    }
+
+    protected function forward(Request $request, bool $catch = false, ?Response $entry = null): Response
+    {
+        $this->getKernel()->boot();
+        $this->getKernel()->getContainer()->set('cache', $this);
+
+        return parent::forward($request, $catch, $entry);
+    }
+
+    /**
+     * Returns an array of options to customize the Cache configuration.
+     */
+    protected function getOptions(): array
+    {
+        return [];
+    }
+
+    protected function createSurrogate(): SurrogateInterface
+    {
+        return $this->surrogate ?? new Esi();
+    }
+
+    protected function createStore(): StoreInterface
+    {
+        return $this->store ?? new Store($this->cacheDir ?: $this->kernel->getCacheDir().'/http_cache');
+    }
+}