Add support for U2fHidDevice interaction

device/u2f/u2f_device.h

 // Copyright 2017 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.
 
 #ifndef DEVICE_U2F_U2F_DEVICE_H_
 #define DEVICE_U2F_U2F_DEVICE_H_
 
 #include <vector>
 
 #include "base/callback.h"
 #include "base/memory/weak_ptr.h"
 #include "u2f_apdu_response.h"
 
 namespace device {
 
 class U2fApduCommand;
 
 // Device abstraction for an individual U2F device. A U2F device defines the
 // standardized Register, Sign, and GetVersion methods.
 class U2fDevice {
  public:
   enum class ProtocolVersion {
     U2F_V2,
     UNKNOWN,
   };
-  enum class ReturnCode { SUCCESS, HW_FAILURE, INVALID_PARAMS };
+  enum class ReturnCode : uint8_t {
+    SUCCESS,
+    FAILURE,
+    INVALID_PARAMS,
+    CONDITIONS_NOT_SATISFIED,
+  };
 
   using MessageCallback =
       base::Callback<void(ReturnCode, std::vector<uint8_t>)>;
   using VersionCallback =
       base::Callback<void(bool success, ProtocolVersion version)>;
   using DeviceCallback =
       base::Callback<void(bool success,
                           scoped_refptr<U2fApduResponse> response)>;
+  using WinkCallback = base::Callback<void()>;
 
   ~U2fDevice();
 
   // Raw messages parameters are defined by the specification at
   // https://fidoalliance.org/specs/fido-u2f-v1.0-nfc-bt-amendment-20150514/fido-u2f-raw-message-formats.html
   void Register(const std::vector<uint8_t>& appid_digest,
-                const ProtocolVersion version,
                 const std::vector<uint8_t>& challenge_digest,
                 const MessageCallback& callback);
   void Version(const VersionCallback& callback);
   void Sign(const std::vector<uint8_t>& appid_digest,
             const std::vector<uint8_t>& challenge_digest,
             const std::vector<uint8_t>& key_handle,
             const MessageCallback& callback);
+  virtual void TryWink(const WinkCallback& callback) = 0;
+  virtual std::string Id() = 0;

[Reilly Grant (use Gerrit), 2017/03/06 20:49:23]

GetId

[Casey Piper, 2017/03/07 00:53:27]

Done.

 
  protected:
+  static constexpr uint8_t kWinkCapability = 0x01;
+  static constexpr uint8_t kLockCapability = 0x02;
+  static constexpr uint32_t kBroadcastChannel = 0xffffffff;
+
   U2fDevice();
 
   // Pure virtual function defined by each device type, implementing
   // the device communication transaction.
   virtual void DeviceTransact(scoped_refptr<U2fApduCommand> command,
                               const DeviceCallback& callback) = 0;
 
+  uint32_t channel_id_;
+  uint8_t capabilities_;
+
  private:
-  // TODO Callback functions for device calls
   void OnRegisterComplete(const MessageCallback& callback,
                           bool success,
                           scoped_refptr<U2fApduResponse> register_response);
   void OnSignComplete(const MessageCallback& callback,
                       bool success,
                       scoped_refptr<U2fApduResponse> sign_response);
   void OnVersionComplete(const VersionCallback& callback,
                          bool success,
                          scoped_refptr<U2fApduResponse> version_response);
   void OnLegacyVersionComplete(
       const VersionCallback& callback,
       bool success,
       scoped_refptr<U2fApduResponse> legacy_version_response);
+  void OnWink(const WinkCallback& callback,
+              bool success,
+              scoped_refptr<U2fApduResponse> response);
 
   base::WeakPtrFactory<U2fDevice> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(U2fDevice);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_U2F_U2F_DEVICE_H_