dom/webauthn/CtapArgs.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef CtapArgs_h
   8 #define CtapArgs_h
   9
  10 #include "mozilla/dom/WebAuthnTransactionChild.h"
  11 #include "mozilla/ipc/BackgroundParent.h"
  12 #include "nsIWebAuthnController.h"
  13
  14 namespace mozilla::dom {
  15
  16 // These classes provide an FFI between C++ and Rust for the getters of IPC
  17 // objects (WebAuthnMakeCredentialInfo and WebAuthnGetAssertionInfo).  They hold
  18 // non-owning references to IPC objects, and must only be used within the
  19 // lifetime of the IPC transaction that created them. There are runtime
  20 // assertions to ensure that these types are created and used on the IPC
  21 // background thread, but that alone does not guarantee safety.
  22
  23 class CtapRegisterArgs final : public nsICtapRegisterArgs {
  24  public:
  25   NS_DECL_ISUPPORTS
  26   NS_DECL_NSICTAPREGISTERARGS
  27
  28   explicit CtapRegisterArgs(const WebAuthnMakeCredentialInfo& aInfo,
  29                             bool aForceNoneAttestation)
  30       : mInfo(aInfo), mForceNoneAttestation(aForceNoneAttestation) {
  31     mozilla::ipc::AssertIsOnBackgroundThread();
  32   }
  33
  34  private:
  35   ~CtapRegisterArgs() = default;
  36
  37   const WebAuthnMakeCredentialInfo& mInfo;
  38   const bool mForceNoneAttestation;
  39 };
  40
  41 class CtapSignArgs final : public nsICtapSignArgs {
  42  public:
  43   NS_DECL_ISUPPORTS
  44   NS_DECL_NSICTAPSIGNARGS
  45
  46   explicit CtapSignArgs(const WebAuthnGetAssertionInfo& aInfo) : mInfo(aInfo) {
  47     mozilla::ipc::AssertIsOnBackgroundThread();
  48   }
  49
  50  private:
  51   ~CtapSignArgs() = default;
  52
  53   const WebAuthnGetAssertionInfo& mInfo;
  54 };
  55
  56 }  // namespace mozilla::dom
  57
  58 #endif  // CtapArgs_h