forked from mirrors/gecko-dev
96 lines
3.3 KiB
C++
96 lines
3.3 KiB
C++
/* -*- 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/. */
|
|
|
|
#include "DecryptingInputStream.h"
|
|
#include "DecryptingInputStream_impl.h"
|
|
|
|
namespace mozilla::dom::quota {
|
|
|
|
NS_IMPL_ADDREF(DecryptingInputStreamBase);
|
|
NS_IMPL_RELEASE(DecryptingInputStreamBase);
|
|
|
|
NS_INTERFACE_MAP_BEGIN(DecryptingInputStreamBase)
|
|
NS_INTERFACE_MAP_ENTRY(nsIInputStream)
|
|
NS_INTERFACE_MAP_ENTRY(nsISeekableStream)
|
|
NS_INTERFACE_MAP_ENTRY_CONDITIONAL(nsICloneableInputStream,
|
|
mBaseCloneableInputStream || !mBaseStream)
|
|
NS_INTERFACE_MAP_ENTRY_CONDITIONAL(
|
|
nsIIPCSerializableInputStream,
|
|
mBaseIPCSerializableInputStream || !mBaseStream)
|
|
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIInputStream)
|
|
NS_INTERFACE_MAP_END
|
|
|
|
DecryptingInputStreamBase::DecryptingInputStreamBase(
|
|
MovingNotNull<nsCOMPtr<nsIInputStream>> aBaseStream, size_t aBlockSize) {
|
|
Init(std::move(aBaseStream), aBlockSize);
|
|
}
|
|
|
|
void DecryptingInputStreamBase::Init(
|
|
MovingNotNull<nsCOMPtr<nsIInputStream>> aBaseStream, size_t aBlockSize) {
|
|
mBlockSize.init(aBlockSize);
|
|
mBaseStream.init(std::move(aBaseStream));
|
|
|
|
const nsCOMPtr<nsISeekableStream> seekableStream =
|
|
do_QueryInterface(mBaseStream->get());
|
|
MOZ_ASSERT(seekableStream &&
|
|
SameCOMIdentity(mBaseStream->get(), seekableStream));
|
|
mBaseSeekableStream.init(WrapNotNullUnchecked(seekableStream));
|
|
|
|
const nsCOMPtr<nsICloneableInputStream> cloneableInputStream =
|
|
do_QueryInterface(mBaseStream->get());
|
|
if (cloneableInputStream &&
|
|
SameCOMIdentity(mBaseStream->get(), cloneableInputStream)) {
|
|
mBaseCloneableInputStream.init(WrapNotNullUnchecked(cloneableInputStream));
|
|
}
|
|
|
|
const nsCOMPtr<nsIIPCSerializableInputStream> ipcSerializeInputStream =
|
|
do_QueryInterface(mBaseStream->get());
|
|
if (ipcSerializeInputStream &&
|
|
SameCOMIdentity(mBaseStream->get(), ipcSerializeInputStream)) {
|
|
mBaseIPCSerializableInputStream.init(
|
|
WrapNotNullUnchecked(ipcSerializeInputStream));
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP DecryptingInputStreamBase::Read(char* aBuf, uint32_t aCount,
|
|
uint32_t* aBytesReadOut) {
|
|
return ReadSegments(NS_CopySegmentToBuffer, aBuf, aCount, aBytesReadOut);
|
|
}
|
|
|
|
NS_IMETHODIMP DecryptingInputStreamBase::IsNonBlocking(bool* aNonBlockingOut) {
|
|
*aNonBlockingOut = false;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP DecryptingInputStreamBase::SetEOF() {
|
|
// Cannot truncate a read-only stream.
|
|
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP DecryptingInputStreamBase::GetCloneable(bool* aCloneable) {
|
|
*aCloneable = true;
|
|
return NS_OK;
|
|
}
|
|
|
|
void DecryptingInputStreamBase::Serialize(
|
|
mozilla::ipc::InputStreamParams& aParams,
|
|
FileDescriptorArray& aFileDescriptors, bool aDelayedStart,
|
|
uint32_t aMaxSize, uint32_t* aSizeUsed,
|
|
mozilla::ipc::ChildToParentStreamActorManager* aManager) {
|
|
MOZ_CRASH("Not implemented");
|
|
}
|
|
|
|
size_t DecryptingInputStreamBase::PlainLength() const {
|
|
MOZ_ASSERT(mNextByte <= mPlainBytes);
|
|
return mPlainBytes - mNextByte;
|
|
}
|
|
|
|
size_t DecryptingInputStreamBase::EncryptedBufferLength() const {
|
|
return *mBlockSize;
|
|
}
|
|
|
|
} // namespace mozilla::dom::quota
|