| // 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. |
| |
| #pragma once |
| |
| #if ENABLE(WEB_AUTHN) |
| |
| #include "FidoConstants.h" |
| #include "FidoHidPacket.h" |
| #include <wtf/Deque.h> |
| |
| namespace fido { |
| |
| // Represents HID message format defined by the specification at |
| // https://fidoalliance.org/specs/fido-v2.0-ps-20170927/fido-client-to-authenticator-protocol-v2.0-ps-20170927.html#message-and-packet-structure |
| class WEBCORE_EXPORT FidoHidMessage { |
| WTF_MAKE_NONCOPYABLE(FidoHidMessage); |
| public: |
| // Static functions to create CTAP/U2F HID commands. |
| static std::optional<FidoHidMessage> create(uint32_t channelId, FidoHidDeviceCommand, const Vector<uint8_t>& data); |
| |
| // Reconstruct a message from serialized message data. |
| static std::optional<FidoHidMessage> createFromSerializedData(const Vector<uint8_t>&); |
| |
| FidoHidMessage(FidoHidMessage&& that) = default; |
| FidoHidMessage& operator=(FidoHidMessage&& other) = default; |
| |
| bool messageComplete() const; |
| Vector<uint8_t> getMessagePayload() const; |
| // Pop front of queue with next packet. |
| Vector<uint8_t> popNextPacket(); |
| // Adds a continuation packet to the packet list, from the serialized |
| // response value. |
| bool addContinuationPacket(const Vector<uint8_t>&); |
| |
| size_t numPackets() const; |
| uint32_t channelId() const { return m_channelId; } |
| FidoHidDeviceCommand cmd() const { return m_cmd; } |
| const Deque<std::unique_ptr<FidoHidPacket>>& getPacketsForTesting() const { return m_packets; } |
| |
| private: |
| FidoHidMessage(uint32_t channelId, FidoHidDeviceCommand, const Vector<uint8_t>& data); |
| FidoHidMessage(std::unique_ptr<FidoHidInitPacket>, size_t remainingSize); |
| |
| uint32_t m_channelId = kHidBroadcastChannel; |
| FidoHidDeviceCommand m_cmd = FidoHidDeviceCommand::kMsg; |
| Deque<std::unique_ptr<FidoHidPacket>> m_packets; |
| size_t m_remainingSize = 0; |
| }; |
| |
| } // namespace fido |
| |
| #endif // ENABLE(WEB_AUTHN) |