blob: 52ab16add54e5f39e54fbac97748c9abdc3a3ecc [file] [log] [blame]
// 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.
namespace chromeos {
namespace secure_channel {
class ClientChannel;
} // namespace secure_channel
} // namespace chromeos
namespace proximity_auth {
class MessengerObserver;
// A messenger handling the Easy Unlock protocol, capable of parsing events from
// the remote device and sending events for the local device.
class Messenger {
virtual ~Messenger() {}
// Adds or removes an observer for Messenger events.
virtual void AddObserver(MessengerObserver* observer) = 0;
virtual void RemoveObserver(MessengerObserver* observer) = 0;
// Returns true iff the remote device supports the v3.1 sign-in protocol.
virtual bool SupportsSignIn() const = 0;
// Sends an unlock event message to the remote device.
virtual void DispatchUnlockEvent() = 0;
// Sends a serialized SecureMessage to the remote device to decrypt the
// |challenge|. OnDecryptResponse will be called for each observer when the
// decrypted response is received.
// TODO(isherman): Add params for the RSA private key and crypto delegate.
virtual void RequestDecryption(const std::string& challenge) = 0;
// Sends a simple request to the remote device to unlock the screen.
// OnUnlockResponse is called for each observer when the response is returned.
virtual void RequestUnlock() = 0;
virtual chromeos::secure_channel::ClientChannel* GetChannel() const = 0;
} // namespace proximity_auth