JSValidatorChild.h

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/* -*- 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_JSValidatorChild

#define mozilla_dom_JSValidatorChild

#include "mozilla/Result.h"

#include "mozilla/ProcInfo.h"

#include "mozilla/dom/PJSValidatorChild.h"

#include "mozilla/dom/JSValidatorUtils.h"

#include "mozilla/net/OpaqueResponseUtils.h"

template <typename T>

using BufferUniquePtr = mozilla::UniquePtr<T, JS::FreePolicy>;

namespace mozilla {

class Decoder;

}  // namespace mozilla

namespace mozilla::dom {

class JSValidatorChild final : public PJSValidatorChild {

 public:

  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(JSValidatorChild, override);

  mozilla::ipc::IPCResult RecvIsOpaqueResponseAllowed(

      IsOpaqueResponseAllowedResolver&& aResolver);

  mozilla::ipc::IPCResult RecvOnDataAvailable(Shmem&& aData);

  mozilla::ipc::IPCResult RecvOnStopRequest(const nsresult& aReason,

                                            const nsACString& aContentCharset,

                                            const nsAString& aHintCharset,

                                            const nsAString& aDocumentCharset);

  void ActorDestroy(ActorDestroyReason aReason) override;

 private:

  virtual ~JSValidatorChild() = default;

  using ValidatorResult = net::OpaqueResponseBlocker::ValidatorResult;

  void Resolve(ValidatorResult aResult);

  ValidatorResult ShouldAllowJS(const mozilla::Span<const char>& aSpan) const;

  mozilla::Result<mozilla::Span<const char>, nsresult> GetUTF8EncodedContent(

      const mozilla::Span<const uint8_t>& aData,

      BufferUniquePtr<Utf8Unit[]>& aBuffer,

      UniquePtr<mozilla::Decoder>& aDecoder);

  nsCString mSourceBytes;

  Maybe<IsOpaqueResponseAllowedResolver> mResolver;

};

}  // namespace mozilla::dom

#endif  // defined(mozilla_dom_JSValidatorChild)