dom/ipc/JSValidatorChild.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=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 mozilla_dom_JSValidatorChild
   8 #define mozilla_dom_JSValidatorChild
   9
  10 #include "mozilla/Result.h"
  11 #include "mozilla/ProcInfo.h"
  12 #include "mozilla/dom/PJSValidatorChild.h"
  13 #include "mozilla/dom/JSValidatorUtils.h"
  14 #include "mozilla/net/OpaqueResponseUtils.h"
  15
  16 template <typename T>
  17 using BufferUniquePtr = mozilla::UniquePtr<T, JS::FreePolicy>;
  18
  19 namespace mozilla {
  20 class Decoder;
  21 }  // namespace mozilla
  22
  23 namespace mozilla::dom {
  24 class JSValidatorChild final : public PJSValidatorChild {
  25  public:
  26   NS_INLINE_DECL_THREADSAFE_REFCOUNTING(JSValidatorChild, override);
  27
  28   mozilla::ipc::IPCResult RecvIsOpaqueResponseAllowed(
  29       IsOpaqueResponseAllowedResolver&& aResolver);
  30
  31   mozilla::ipc::IPCResult RecvOnDataAvailable(Shmem&& aData);
  32
  33   mozilla::ipc::IPCResult RecvOnStopRequest(const nsresult& aReason,
  34                                             const nsACString& aContentCharset,
  35                                             const nsAString& aHintCharset,
  36                                             const nsAString& aDocumentCharset);
  37
  38   void ActorDestroy(ActorDestroyReason aReason) override;
  39
  40  private:
  41   virtual ~JSValidatorChild() = default;
  42
  43   using ValidatorResult = net::OpaqueResponseBlocker::ValidatorResult;
  44   void Resolve(ValidatorResult aResult);
  45   ValidatorResult ShouldAllowJS(const mozilla::Span<const char>& aSpan) const;
  46
  47   mozilla::Result<mozilla::Span<const char>, nsresult> GetUTF8EncodedContent(
  48       const mozilla::Span<const uint8_t>& aData,
  49       BufferUniquePtr<Utf8Unit[]>& aBuffer,
  50       UniquePtr<mozilla::Decoder>& aDecoder);
  51
  52   nsCString mSourceBytes;
  53   Maybe<IsOpaqueResponseAllowedResolver> mResolver;
  54 };
  55 }  // namespace mozilla::dom
  56
  57 #endif  // defined(mozilla_dom_JSValidatorChild)