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/* -*- 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
#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());
obsService->NotifyObservers(static_cast<nsIChannel*>(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