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 <memory>
#include <string>
#include <vector>

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

namespace content {

// 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:
  CollectedClientData(std::string base64_encoded_challenge_,
                      std::string origin,
                      std::string hash_alg,
                      std::string token_binding_id);
  virtual ~CollectedClientData();

  static std::unique_ptr<CollectedClientData> Create(
      std::string relying_party_id,
      std::vector<uint8_t> challenge);

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

 private:
  const std::string base64_encoded_challenge_;
  const std::string origin_;
  const std::string hash_alg_;
  const 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_