dom/webauthn/U2FSoftTokenManager.h
author David Major <dmajor@mozilla.com>
Wed, 20 Dec 2017 09:07:46 -0500
changeset 448763 e9cfe039a796e2963a6d3e7d2a161b02cdbadcac
parent 445998 735e651fcd65f88f4ee61369768550e2bf8fe33a
child 450104 7b0bbd94352de559b0656c2b19e482c679ea34b8
permissions -rw-r--r--
Bug 1425906: Rename LINK to LINKER throughout the build system. r=glandium Windows linkers give special meaning to getenv("LINK"), which makes `export LINK=...` in mozconfigs do unexpected things.

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_dom_U2FSoftTokenManager_h
#define mozilla_dom_U2FSoftTokenManager_h

#include "mozilla/dom/U2FTokenTransport.h"
#include "ScopedNSSTypes.h"
#include "nsNSSShutDown.h"

/*
 * U2FSoftTokenManager is a software implementation of a secure token manager
 * for the U2F and WebAuthn APIs.
 */

namespace mozilla {
namespace dom {

class U2FSoftTokenManager final : public U2FTokenTransport,
                                  public nsNSSShutDownObject
{
public:
  explicit U2FSoftTokenManager(uint32_t aCounter);

  virtual RefPtr<U2FRegisterPromise>
  Register(const nsTArray<WebAuthnScopedCredentialDescriptor>& aDescriptors,
           const WebAuthnAuthenticatorSelection &aAuthenticatorSelection,
           const nsTArray<uint8_t>& aApplication,
           const nsTArray<uint8_t>& aChallenge,
           uint32_t aTimeoutMS) override;

  virtual RefPtr<U2FSignPromise>
  Sign(const nsTArray<WebAuthnScopedCredentialDescriptor>& aDescriptors,
       const nsTArray<uint8_t>& aApplication,
       const nsTArray<uint8_t>& aChallenge,
       uint32_t aTimeoutMS) override;

  virtual void Cancel() override;

  // For nsNSSShutDownObject
  virtual void virtualDestroyNSSReference() override;
  void destructorSafeDestroyNSSReference();

private:
  ~U2FSoftTokenManager();
  nsresult Init();

  nsresult IsRegistered(const nsTArray<uint8_t>& aKeyHandle,
                        const nsTArray<uint8_t>& aAppParam,
                        bool& aResult);

  bool mInitialized;
  mozilla::UniquePK11SymKey mWrappingKey;

  static const nsCString mSecretNickname;

  nsresult GetOrCreateWrappingKey(const mozilla::UniquePK11SlotInfo& aSlot,
                                  const nsNSSShutDownPreventionLock&);
  uint32_t mCounter;
};

} // namespace dom
} // namespace mozilla

#endif // mozilla_dom_U2FSoftTokenManager_h