Quelle DataChannelParent.cpp Sprache: C

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=4 sw=2 sts=2 et 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/. */

#include "nsDataChannel.h"
#include "DataChannelParent.h"
#include "mozilla/Assertions.h"
#include "mozilla/dom/ContentParent.h"
#include "mozilla/net/NeckoParent.h"
#include "nsNetUtil.h"
#include "nsIChannel.h"

#ifdef FUZZING_SNAPSHOT
#  define MOZ_ALWAYS_SUCCEEDS_FUZZING(...) (void)__VA_ARGS__
#else
#  define MOZ_ALWAYS_SUCCEEDS_FUZZING(...) MOZ_ALWAYS_SUCCEEDS(__VA_ARGS__)
#endif

namespace mozilla {
namespace net {

NS_IMPL_ISUPPORTS(DataChannelParent, nsIParentChannel, nsIStreamListener)

NS_IMETHODIMP
DataChannelParent::SetParentListener(ParentChannelListener* aListener) {
  // Nothing to do.
  return NS_OK;
}

NS_IMETHODIMP
DataChannelParent::NotifyClassificationFlags(uint32_t aClassificationFlags,
                                             bool aIsThirdParty) {
  // Nothing to do.
  return NS_OK;
}

NS_IMETHODIMP
DataChannelParent::SetClassifierMatchedInfo(const nsACString& aList,
                                            const nsACString& aProvider,
                                            const nsACString& aFullHash) {
  // nothing to do
  return NS_OK;
}

NS_IMETHODIMP
DataChannelParent::SetClassifierMatchedTrackingInfo(
    const nsACString& aLists, const nsACString& aFullHashes) {
  // nothing to do
  return NS_OK;
}

NS_IMETHODIMP
DataChannelParent::Delete() {
  // Nothing to do.
  return NS_OK;
}

NS_IMETHODIMP
DataChannelParent::GetRemoteType(nsACString& aRemoteType) {
  if (!CanSend()) {
    return NS_ERROR_UNEXPECTED;
  }

  dom::PContentParent* pcp = Manager()->Manager();
  aRemoteType = static_cast<dom::ContentParent*>(pcp)->GetRemoteType();
  return NS_OK;
}

void DataChannelParent::ActorDestroy(ActorDestroyReason why) {}

NS_IMETHODIMP
DataChannelParent::OnStartRequest(nsIRequest* aRequest) {
  // We don't have a way to prevent nsBaseChannel from calling AsyncOpen on
  // the created nsDataChannel. We don't have anywhere to send the data in the
  // parent, so abort the binding.
  return NS_BINDING_ABORTED;
}

NS_IMETHODIMP
DataChannelParent::OnStopRequest(nsIRequest* aRequest, nsresult aStatusCode) {
  // See above.
  MOZ_ASSERT(NS_FAILED(aStatusCode));
  return NS_OK;
}

NS_IMETHODIMP
DataChannelParent::OnDataAvailable(nsIRequest* aRequest,
                                   nsIInputStream* aInputStream,
                                   uint64_t aOffset, uint32_t aCount) {
  // See above.
  MOZ_CRASH("Should never be called");
}

mozilla::ipc::IPCResult DataChannelParent::RecvNotifyListeners(
    const DataChannelInfo& aDataChannelInfo) {
  nsCOMPtr<nsIObserverService> obsService = services::GetObserverService();
  if (!obsService) {
    return IPC_OK();
  }

  nsAutoCString remoteType;
  nsresult rv = GetRemoteType(remoteType);
  if (NS_FAILED(rv)) {
    return IPC_FAIL(this, "Failed to get remote type");
  }

  nsCOMPtr<nsILoadInfo> loadInfo;
  rv = mozilla::ipc::LoadInfoArgsToLoadInfo(
      aDataChannelInfo.loadInfo(), remoteType, getter_AddRefs(loadInfo));
  if (NS_FAILED(rv)) {
    return IPC_FAIL(this, "Failed to deserialize LoadInfo");
  }

  // Re-create a data channel in the parent process to notify
  // data-channel-opened observers.
  RefPtr<nsDataChannel> channel;
  channel = new nsDataChannel(aDataChannelInfo.uri());
  channel->SetLoadFlags(aDataChannelInfo.loadFlags());
  channel->SetLoadInfo(loadInfo);
  channel->SetContentType(aDataChannelInfo.contentType());

  rv = channel->SetChannelId(aDataChannelInfo.channelId());
  if (NS_FAILED(rv)) {
    return IPC_FAIL(this, "Failed to set channel id");
  }

  obsService->NotifyObservers(static_cast<nsIIdentChannel*>(channel),
                              "data-channel-opened", nullptr);
  return IPC_OK();
}

mozilla::ipc::IPCResult DataChannelParent::RecvSetChannelIdForRedirect(
    const uint64_t& aChannelId) {
  nsCOMPtr<nsIChannel> channel;

  MOZ_ALWAYS_SUCCEEDS_FUZZING(
      NS_LinkRedirectChannels(aChannelId, this, getter_AddRefs(channel)));

  return IPC_OK();
}

}  // namespace net
}  // namespace mozilla

quality96%

¤ Dauer der Verarbeitung: 0.5 Sekunden ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.