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/* 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 "MFContentProtectionManager.h"
#include <hstring.h>
#include <winnt.h>
#include "MFMediaEngineUtils.h"
#include "WMF.h"
namespace mozilla {
using Microsoft::WRL::ComPtr;
#define LOG(msg, ...) \
MOZ_LOG(gMFMediaEngineLog, LogLevel::Debug, \
("MFContentProtectionManager=%p, " msg, this, ##__VA_ARGS__))
class ScopedHString final {
public:
explicit ScopedHString(const WCHAR aCharArray[]) {
WindowsCreateString(aCharArray, wcslen(aCharArray), &mString);
}
~ScopedHString() { WindowsDeleteString(mString); }
const HSTRING& Get() { return mString; }
private:
HSTRING mString;
};
HRESULT MFContentProtectionManager::RuntimeClassInitialize() {
ScopedHString propertyId(
RuntimeClass_Windows_Foundation_Collections_PropertySet);
RETURN_IF_FAILED(RoActivateInstance(propertyId.Get(), &mPMPServerSet));
return S_OK;
}
HRESULT MFContentProtectionManager::BeginEnableContent(
IMFActivate* aEnablerActivate, IMFTopology* aTopology,
IMFAsyncCallback* aCallback, IUnknown* aState) {
LOG("BeginEnableContent");
ComPtr<IUnknown> unknownObject;
ComPtr<IMFAsyncResult> asyncResult;
RETURN_IF_FAILED(
wmf::MFCreateAsyncResult(nullptr, aCallback, aState, &asyncResult));
RETURN_IF_FAILED(
aEnablerActivate->ActivateObject(IID_PPV_ARGS(&unknownObject)));
GUID enablerType = GUID_NULL;
ComPtr<IMFContentEnabler> contentEnabler;
if (SUCCEEDED(unknownObject.As(&contentEnabler))) {
RETURN_IF_FAILED(contentEnabler->GetEnableType(&enablerType));
} else {
ComPtr<ABI::Windows::Media::Protection::IMediaProtectionServiceRequest>
serviceRequest;
RETURN_IF_FAILED(unknownObject.As(&serviceRequest));
RETURN_IF_FAILED(serviceRequest->get_Type(&enablerType));
}
if (enablerType == MFENABLETYPE_MF_RebootRequired) {
LOG("Error - MFENABLETYPE_MF_RebootRequired");
return MF_E_REBOOT_REQUIRED;
} else if (enablerType == MFENABLETYPE_MF_UpdateRevocationInformation) {
LOG("Error - MFENABLETYPE_MF_UpdateRevocationInformation");
return MF_E_GRL_VERSION_TOO_LOW;
} else if (enablerType == MFENABLETYPE_MF_UpdateUntrustedComponent) {
LOG("Error - MFENABLETYPE_MF_UpdateUntrustedComponent");
return HRESULT_FROM_WIN32(ERROR_INVALID_IMAGE_HASH);
}
MOZ_ASSERT(mCDMProxy);
RETURN_IF_FAILED(
mCDMProxy->SetContentEnabler(unknownObject.Get(), asyncResult.Get()));
// TODO : maybe need to notify waiting for key status?
LOG("Finished BeginEnableContent");
return S_OK;
}
HRESULT MFContentProtectionManager::EndEnableContent(
IMFAsyncResult* aAsyncResult) {
HRESULT hr = aAsyncResult->GetStatus();
if (FAILED(hr)) {
// Follow Chromium to not to return failure, which avoid doing additional
// work here.
LOG("Content enabling failed. hr=%lx", hr);
} else {
LOG("Content enabling succeeded");
}
return S_OK;
}
HRESULT MFContentProtectionManager::add_ServiceRequested(
ABI::Windows::Media::Protection::IServiceRequestedEventHandler* aHandler,
EventRegistrationToken* aCookie) {
return E_NOTIMPL;
}
HRESULT MFContentProtectionManager::remove_ServiceRequested(
EventRegistrationToken aCookie) {
return E_NOTIMPL;
}
HRESULT MFContentProtectionManager::add_RebootNeeded(
ABI::Windows::Media::Protection::IRebootNeededEventHandler* aHandler,
EventRegistrationToken* aCookie) {
return E_NOTIMPL;
}
HRESULT MFContentProtectionManager::remove_RebootNeeded(
EventRegistrationToken aCookie) {
return E_NOTIMPL;
}
HRESULT MFContentProtectionManager::add_ComponentLoadFailed(
ABI::Windows::Media::Protection::IComponentLoadFailedEventHandler* aHandler,
EventRegistrationToken* aCookie) {
return E_NOTIMPL;
}
HRESULT MFContentProtectionManager::remove_ComponentLoadFailed(
EventRegistrationToken aCookie) {
return E_NOTIMPL;
}
HRESULT MFContentProtectionManager::get_Properties(
ABI::Windows::Foundation::Collections::IPropertySet** properties) {
if (!mPMPServerSet) {
return E_POINTER;
}
return mPMPServerSet.CopyTo(properties);
}
HRESULT MFContentProtectionManager::SetCDMProxy(MFCDMProxy* aCDMProxy) {
MOZ_ASSERT(aCDMProxy);
mCDMProxy = aCDMProxy;
ComPtr<ABI::Windows::Media::Protection::IMediaProtectionPMPServer> pmpServer;
RETURN_IF_FAILED(mCDMProxy->GetPMPServer(IID_PPV_ARGS(&pmpServer)));
RETURN_IF_FAILED(SetPMPServer(pmpServer.Get()));
return S_OK;
}
HRESULT MFContentProtectionManager::SetPMPServer(
ABI::Windows::Media::Protection::IMediaProtectionPMPServer* aPMPServer) {
MOZ_ASSERT(aPMPServer);
ComPtr<ABI::Windows::Foundation::Collections::IMap<HSTRING, IInspectable*>>
serverMap;
RETURN_IF_FAILED(mPMPServerSet.As(&serverMap));
// MFMediaEngine uses |serverKey| to get the Protected Media Path (PMP)
// server used for playing protected content. This is not currently documented
// in MSDN.
boolean replaced = false;
ScopedHString serverKey{L"Windows.Media.Protection.MediaProtectionPMPServer"};
RETURN_IF_FAILED(serverMap->Insert(serverKey.Get(), aPMPServer, &replaced));
return S_OK;
}
#undef LOG
} // namespace mozilla
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