[HttpKernel] Fix that the Store
would not save responses with the X-Content-Digest header present
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cb7e78c809
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@ -177,19 +177,15 @@ class Store implements StoreInterface
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$key = $this->getCacheKey($request);
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$key = $this->getCacheKey($request);
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$storedEnv = $this->persistRequest($request);
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$storedEnv = $this->persistRequest($request);
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// write the response body to the entity store if this is the original response
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$digest = $this->generateContentDigest($response);
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if (!$response->headers->has('X-Content-Digest')) {
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$response->headers->set('X-Content-Digest', $digest);
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$digest = $this->generateContentDigest($response);
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if (!$this->save($digest, $response->getContent())) {
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if (!$this->save($digest, $response->getContent(), false)) {
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throw new \RuntimeException('Unable to store the entity.');
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throw new \RuntimeException('Unable to store the entity.');
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}
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}
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$response->headers->set('X-Content-Digest', $digest);
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if (!$response->headers->has('Transfer-Encoding')) {
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$response->headers->set('Content-Length', \strlen($response->getContent()));
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if (!$response->headers->has('Transfer-Encoding')) {
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$response->headers->set('Content-Length', \strlen($response->getContent()));
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}
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}
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}
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// read existing cache entries, remove non-varying, and add this one to the list
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// read existing cache entries, remove non-varying, and add this one to the list
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@ -362,15 +358,20 @@ class Store implements StoreInterface
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/**
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/**
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* Save data for the given key.
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* Save data for the given key.
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*
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*
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* @param string $key The store key
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* @param string $key The store key
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* @param string $data The data to store
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* @param string $data The data to store
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* @param bool $overwrite Whether existing data should be overwritten
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*
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*
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* @return bool
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* @return bool
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*/
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*/
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private function save($key, $data)
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private function save($key, $data, $overwrite = true)
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{
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{
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$path = $this->getPath($key);
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$path = $this->getPath($key);
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if (!$overwrite && file_exists($path)) {
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return true;
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}
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if (isset($this->locks[$key])) {
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if (isset($this->locks[$key])) {
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$fp = $this->locks[$key];
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$fp = $this->locks[$key];
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@ftruncate($fp, 0);
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@ftruncate($fp, 0);
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@ -97,6 +97,27 @@ class StoreTest extends TestCase
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$this->assertEquals('en9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08', $res['x-content-digest'][0]);
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$this->assertEquals('en9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08', $res['x-content-digest'][0]);
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}
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}
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public function testDoesNotTrustXContentDigestFromUpstream()
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{
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$response = new Response('test', 200, ['X-Content-Digest' => 'untrusted-from-elsewhere']);
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$cacheKey = $this->store->write($this->request, $response);
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$entries = $this->getStoreMetadata($cacheKey);
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list(, $res) = $entries[0];
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$this->assertEquals('en9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08', $res['x-content-digest'][0]);
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$this->assertEquals('en9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08', $response->headers->get('X-Content-Digest'));
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}
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public function testWritesResponseEvenIfXContentDigestIsPresent()
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{
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// Prime the store
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$this->store->write($this->request, new Response('test', 200, ['X-Content-Digest' => 'untrusted-from-elsewhere']));
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$response = $this->store->lookup($this->request);
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$this->assertNotNull($response);
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}
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public function testFindsAStoredEntryWithLookup()
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public function testFindsAStoredEntryWithLookup()
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{
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{
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$this->storeSimpleEntry();
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$this->storeSimpleEntry();
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