1/* 2 * Copyright (C) 2012 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25#include "config.h" 26#include "bindings/modules/v8/V8Crypto.h" 27 28#include "bindings/core/v8/ExceptionMessages.h" 29#include "bindings/core/v8/ExceptionState.h" 30#include "bindings/core/v8/V8Binding.h" 31#include "bindings/core/v8/custom/V8ArrayBufferViewCustom.h" 32#include "core/dom/ExceptionCode.h" 33#include "modules/crypto/Crypto.h" 34#include "wtf/ArrayBufferView.h" 35 36namespace blink { 37 38void V8Crypto::getRandomValuesMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info) 39{ 40 ExceptionState exceptionState(ExceptionState::ExecutionContext, "getRandomValues", "Crypto", info.Holder(), info.GetIsolate()); 41 if (info.Length() < 1) { 42 exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length())); 43 exceptionState.throwIfNeeded(); 44 return; 45 } 46 47 v8::Handle<v8::Value> buffer = info[0]; 48 if (!V8ArrayBufferView::hasInstance(buffer, info.GetIsolate())) { 49 exceptionState.throwTypeError("First argument is not an ArrayBufferView"); 50 } else { 51 ArrayBufferView* arrayBufferView = V8ArrayBufferView::toImpl(v8::Handle<v8::Object>::Cast(buffer)); 52 ASSERT(arrayBufferView); 53 54 Crypto* crypto = V8Crypto::toImpl(info.Holder()); 55 crypto->getRandomValues(arrayBufferView, exceptionState); 56 } 57 58 if (exceptionState.throwIfNeeded()) 59 return; 60 61 v8SetReturnValue(info, buffer); 62} 63 64} // namespace blink 65