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vendor/symfony/http-client/CachingHttpClient.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\Component\HttpClient;
+
+use Symfony\Component\HttpClient\Response\MockResponse;
+use Symfony\Component\HttpClient\Response\ResponseStream;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\HttpCache\HttpCache;
+use Symfony\Component\HttpKernel\HttpCache\StoreInterface;
+use Symfony\Component\HttpKernel\HttpClientKernel;
+use Symfony\Contracts\HttpClient\HttpClientInterface;
+use Symfony\Contracts\HttpClient\ResponseInterface;
+use Symfony\Contracts\HttpClient\ResponseStreamInterface;
+use Symfony\Contracts\Service\ResetInterface;
+
+/**
+ * Adds caching on top of an HTTP client.
+ *
+ * The implementation buffers responses in memory and doesn't stream directly from the network.
+ * You can disable/enable this layer by setting option "no_cache" under "extra" to true/false.
+ * By default, caching is enabled unless the "buffer" option is set to false.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class CachingHttpClient implements HttpClientInterface, ResetInterface
+{
+    use HttpClientTrait;
+
+    private $client;
+    private $cache;
+    private $defaultOptions = self::OPTIONS_DEFAULTS;
+
+    public function __construct(HttpClientInterface $client, StoreInterface $store, array $defaultOptions = [])
+    {
+        if (!class_exists(HttpClientKernel::class)) {
+            throw new \LogicException(sprintf('Using "%s" requires that the HttpKernel component version 4.3 or higher is installed, try running "composer require symfony/http-kernel:^5.4".', __CLASS__));
+        }
+
+        $this->client = $client;
+        $kernel = new HttpClientKernel($client);
+        $this->cache = new HttpCache($kernel, $store, null, $defaultOptions);
+
+        unset($defaultOptions['debug']);
+        unset($defaultOptions['default_ttl']);
+        unset($defaultOptions['private_headers']);
+        unset($defaultOptions['allow_reload']);
+        unset($defaultOptions['allow_revalidate']);
+        unset($defaultOptions['stale_while_revalidate']);
+        unset($defaultOptions['stale_if_error']);
+        unset($defaultOptions['trace_level']);
+        unset($defaultOptions['trace_header']);
+
+        if ($defaultOptions) {
+            [, $this->defaultOptions] = self::prepareRequest(null, null, $defaultOptions, $this->defaultOptions);
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function request(string $method, string $url, array $options = []): ResponseInterface
+    {
+        [$url, $options] = $this->prepareRequest($method, $url, $options, $this->defaultOptions, true);
+        $url = implode('', $url);
+
+        if (!empty($options['body']) || !empty($options['extra']['no_cache']) || !\in_array($method, ['GET', 'HEAD', 'OPTIONS'])) {
+            return $this->client->request($method, $url, $options);
+        }
+
+        $request = Request::create($url, $method);
+        $request->attributes->set('http_client_options', $options);
+
+        foreach ($options['normalized_headers'] as $name => $values) {
+            if ('cookie' !== $name) {
+                foreach ($values as $value) {
+                    $request->headers->set($name, substr($value, 2 + \strlen($name)), false);
+                }
+
+                continue;
+            }
+
+            foreach ($values as $cookies) {
+                foreach (explode('; ', substr($cookies, \strlen('Cookie: '))) as $cookie) {
+                    if ('' !== $cookie) {
+                        $cookie = explode('=', $cookie, 2);
+                        $request->cookies->set($cookie[0], $cookie[1] ?? '');
+                    }
+                }
+            }
+        }
+
+        $response = $this->cache->handle($request);
+        $response = new MockResponse($response->getContent(), [
+            'http_code' => $response->getStatusCode(),
+            'response_headers' => $response->headers->allPreserveCase(),
+        ]);
+
+        return MockResponse::fromRequest($method, $url, $options, $response);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function stream($responses, ?float $timeout = null): ResponseStreamInterface
+    {
+        if ($responses instanceof ResponseInterface) {
+            $responses = [$responses];
+        } elseif (!is_iterable($responses)) {
+            throw new \TypeError(sprintf('"%s()" expects parameter 1 to be an iterable of ResponseInterface objects, "%s" given.', __METHOD__, get_debug_type($responses)));
+        }
+
+        $mockResponses = [];
+        $clientResponses = [];
+
+        foreach ($responses as $response) {
+            if ($response instanceof MockResponse) {
+                $mockResponses[] = $response;
+            } else {
+                $clientResponses[] = $response;
+            }
+        }
+
+        if (!$mockResponses) {
+            return $this->client->stream($clientResponses, $timeout);
+        }
+
+        if (!$clientResponses) {
+            return new ResponseStream(MockResponse::stream($mockResponses, $timeout));
+        }
+
+        return new ResponseStream((function () use ($mockResponses, $clientResponses, $timeout) {
+            yield from MockResponse::stream($mockResponses, $timeout);
+            yield $this->client->stream($clientResponses, $timeout);
+        })());
+    }
+
+    public function reset()
+    {
+        if ($this->client instanceof ResetInterface) {
+            $this->client->reset();
+        }
+    }
+}