// Copyright 2017 The Chromium Authors. All rights reserved. // Copyright (C) 2018 Apple Inc. All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include "config.h" #include "ApduResponse.h" #include <wtf/Optional.h> #if ENABLE(WEB_AUTHN) namespace apdu { // static Optional<ApduResponse> ApduResponse::createFromMessage(const Vector<uint8_t>& data) { // Invalid message size, data is appended by status byte. if (data.size() < 2) return WTF::nullopt; uint16_t statusBytes = data[data.size() - 2] << 8; statusBytes |= data[data.size() - 1]; Vector<uint8_t> newData; newData.appendRange(data.begin(), data.end() - 2); return ApduResponse(WTFMove(newData), static_cast<Status>(statusBytes)); } ApduResponse::ApduResponse(Vector<uint8_t>&& data, Status responseStatus) : m_data(WTFMove(data)) , m_responseStatus(responseStatus) { } Vector<uint8_t> ApduResponse::getEncodedResponse() const { Vector<uint8_t> encodedResponse = m_data; encodedResponse.append(static_cast<uint16_t>(m_responseStatus) >> 8 & 0xff); encodedResponse.append(static_cast<uint16_t>(m_responseStatus) & 0xff); return encodedResponse; } } // namespace apdu #endif // ENABLE(WEB_AUTHN)