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// 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.
#ifndef COMPONENTS_PROXIMITY_AUTH_WIRE_MESSAGE_H
#define COMPONENTS_PROXIMITY_AUTH_WIRE_MESSAGE_H
#include <string>
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
namespace proximity_auth {
class WireMessage {
public:
// Creates a WireMessage containing |payload|.
explicit WireMessage(const std::string& payload);
// Creates a WireMessage containing |payload| and |permit_id| in the metadata.
WireMessage(const std::string& payload, const std::string& permit_id);
virtual ~WireMessage();
// Returns the deserialized message from |serialized_message|, or NULL if the
// message is malformed. Sets |is_incomplete_message| to true if the message
// does not have enough data to parse the header, or if the message length
// encoded in the message header exceeds the size of the |serialized_message|.
static scoped_ptr<WireMessage> Deserialize(
const std::string& serialized_message,
bool* is_incomplete_message);
// Returns a serialized representation of |this| message.
virtual std::string Serialize() const;
const std::string& payload() const { return payload_; }
const std::string& permit_id() const { return permit_id_; }
private:
// The message payload.
const std::string payload_;
// Identifier of the permit being used. A permit contains the credentials used
// to authenticate a device. For example, when sending a WireMessage to the
// remote device the |permit_id_| indexes a permit possibly containing the
// public key
// of the local device or a symmetric key shared between the devices.
const std::string permit_id_;
DISALLOW_COPY_AND_ASSIGN(WireMessage);
};
} // namespace proximity_auth
#endif // COMPONENTS_PROXIMITY_AUTH_WIRE_MESSAGE_H
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