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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "mozilla/ClipboardWriteRequestParent.h"
#include "mozilla/dom/ContentParent.h"
#include "mozilla/net/CookieJarSettings.h"
#include "nsComponentManagerUtils.h"
#include "nsIClipboard.h"
#include "nsITransferable.h"
#include "nsWidgetsCID.h"
static NS_DEFINE_CID(kCClipboardCID, NS_CLIPBOARD_CID);
using mozilla::dom::ContentParent;
using mozilla::ipc::IPCResult;
namespace mozilla {
NS_IMPL_ISUPPORTS(ClipboardWriteRequestParent, nsIAsyncClipboardRequestCallback)
ClipboardWriteRequestParent::ClipboardWriteRequestParent(
ContentParent* aManager)
: mManager(aManager) {}
ClipboardWriteRequestParent::~ClipboardWriteRequestParent() = default;
nsresult ClipboardWriteRequestParent::Init(const int32_t& aClipboardType) {
nsCOMPtr<nsIClipboard> clipboard(do_GetService(kCClipboardCID));
if (!clipboard) {
Unused << PClipboardWriteRequestParent::Send__delete__(this,
NS_ERROR_FAILURE);
return NS_ERROR_FAILURE;
}
nsresult rv = clipboard->AsyncSetData(aClipboardType, this,
getter_AddRefs(mAsyncSetClipboardData));
if (NS_FAILED(rv)) {
Unused << PClipboardWriteRequestParent::Send__delete__(this, rv);
return rv;
}
return NS_OK;
}
NS_IMETHODIMP ClipboardWriteRequestParent::OnComplete(nsresult aResult) {
nsCOMPtr<nsIAsyncSetClipboardData> clipboardData =
std::move(mAsyncSetClipboardData);
if (clipboardData) {
Unused << PClipboardWriteRequestParent::Send__delete__(this, aResult);
}
return NS_OK;
}
IPCResult ClipboardWriteRequestParent::RecvSetData(
const IPCTransferable& aTransferable) {
if (!mManager->ValidatePrincipal(
aTransferable.requestingPrincipal(),
{ContentParent::ValidatePrincipalOptions::AllowNullPtr,
ContentParent::ValidatePrincipalOptions::AllowExpanded,
ContentParent::ValidatePrincipalOptions::AllowSystem})) {
ContentParent::LogAndAssertFailedPrincipalValidationInfo(
aTransferable.requestingPrincipal(), __func__);
}
if (!mAsyncSetClipboardData) {
return IPC_OK();
}
nsresult rv = NS_ERROR_FAILURE;
nsCOMPtr<nsITransferable> trans =
do_CreateInstance("@mozilla.org/widget/transferable;1", &rv);
if (NS_FAILED(rv)) {
mAsyncSetClipboardData->Abort(rv);
return IPC_OK();
}
trans->Init(nullptr);
rv = nsContentUtils::IPCTransferableToTransferable(
aTransferable, true /* aAddDataFlavor */, trans,
true /* aFilterUnknownFlavors */);
if (NS_FAILED(rv)) {
mAsyncSetClipboardData->Abort(rv);
return IPC_OK();
}
mAsyncSetClipboardData->SetData(trans, nullptr);
return IPC_OK();
}
IPCResult ClipboardWriteRequestParent::Recv__delete__(nsresult aReason) {
#ifndef FUZZING_SNAPSHOT
MOZ_DIAGNOSTIC_ASSERT(NS_FAILED(aReason));
#endif
nsCOMPtr<nsIAsyncSetClipboardData> clipboardData =
std::move(mAsyncSetClipboardData);
if (clipboardData) {
clipboardData->Abort(aReason);
}
return IPC_OK();
}
void ClipboardWriteRequestParent::ActorDestroy(ActorDestroyReason aReason) {
nsCOMPtr<nsIAsyncSetClipboardData> clipboardData =
std::move(mAsyncSetClipboardData);
if (clipboardData) {
clipboardData->Abort(NS_ERROR_ABORT);
}
}
} // namespace mozilla
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