content/browser/webauth/collected_client_data.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 CONTENT_BROWSER_WEBAUTH_COLLECTED_CLIENT_DATA_H_
#define CONTENT_BROWSER_WEBAUTH_COLLECTED_CLIENT_DATA_H_

#include <stdint.h>
#include <string>

#include "base/containers/span.h"
#include "base/macros.h"
#include "content/common/content_export.h"

namespace content {

namespace client_data {
CONTENT_EXPORT extern const char kCreateType[];
CONTENT_EXPORT extern const char kGetType[];
}  // namespace client_data

// Represents the contextual bindings of both the Relying Party and the
// client platform that is used in authenticator signatures.
// https://www.w3.org/TR/2017/WD-webauthn-20170505/#dictdef-collectedclientdata
class CONTENT_EXPORT CollectedClientData {
 public:
  static CollectedClientData Create(std::string type,
                                    std::string relying_party_id,
                                    base::span<const uint8_t> challenge);

  CollectedClientData();

  CollectedClientData(std::string type_,
                      std::string base64_encoded_challenge_,
                      std::string origin,
                      std::string token_binding_id);

  // Moveable.
  CollectedClientData(CollectedClientData&& other);
  CollectedClientData& operator=(CollectedClientData&& other);

  ~CollectedClientData();

  // Builds a JSON-serialized string per step 13 of
  // https://www.w3.org/TR/2017/WD-webauthn-20170505/#createCredential.
  std::string SerializeToJson() const;

 private:
  std::string type_;
  std::string base64_encoded_challenge_;
  std::string origin_;
  std::string token_binding_id_;
  // TODO(kpaulhamus): Add extensions support. https://crbug/757502.

  DISALLOW_COPY_AND_ASSIGN(CollectedClientData);
};

}  // namespace content

#endif  // CONTENT_BROWSER_WEBAUTH_COLLECTED_CLIENT_DATA_H_