Cache API should reject 206 Partial Responses

third_party/WebKit/Source/modules/cachestorage/Cache.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/cachestorage/Cache.h"
 
 #include "bindings/core/v8/CallbackPromiseAdapter.h"
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
@@ skipping 557 matching lines @@
         if (requests[i]->method() != HTTPNames::GET) {
             barrierCallback->onError("Request method '" + requests[i]->method() + "' is unsupported");
             return promise;
         }
         ASSERT(!requests[i]->hasBody());
 
         if (varyHeaderContainsAsterisk(responses[i])) {
             barrierCallback->onError("Vary header contains *");
             return promise;
         }
-
+        if (responses[i]->status() == 206) {
+            barrierCallback->onError("Partial response (status code 206) is unsupported");
+            return promise;
+        }
         if (responses[i]->isBodyLocked() || responses[i]->bodyUsed()) {
             barrierCallback->onError("Response body is already used");
             return promise;
         }
 
         BodyStreamBuffer* buffer = responses[i]->internalBodyBuffer();
         if (buffer) {
             // If the response has body, read the all data and create
             // the blob handle and dispatch the put batch asynchronously.
             FetchDataLoader* loader = FetchDataLoader::createLoaderAsBlobHandle(responses[i]->internalMIMEType());
@@ skipping 30 matching lines @@
     m_webCache->dispatchKeys(new CacheWithRequestsCallbacks(resolver), 0, toWebQueryParams(options));
     return promise;
 }
 
 WebServiceWorkerCache* Cache::webCache() const
 {
     return m_webCache.get();
 }
 
 } // namespace blink