gecko/media/gmp-clearkey/0.1/ClearKeySession.cpp

71 lines
2.0 KiB
C++

/* 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 "ClearKeyDecryptionManager.h"
#include "ClearKeySession.h"
#include "ClearKeyUtils.h"
#include "ClearKeyStorage.h"
#include "gmp-task-utils.h"
#include "gmp-api/gmp-decryption.h"
#include "mozilla/Endian.h"
using namespace mozilla;
ClearKeySession::ClearKeySession(const std::string& aSessionId,
GMPDecryptorCallback* aCallback,
GMPSessionType aSessionType)
: mSessionId(aSessionId)
, mCallback(aCallback)
, mSessionType(aSessionType)
{
CK_LOGD("ClearKeySession ctor %p", this);
}
ClearKeySession::~ClearKeySession()
{
CK_LOGD("ClearKeySession dtor %p", this);
auto& keyIds = GetKeyIds();
for (auto it = keyIds.begin(); it != keyIds.end(); it++) {
MOZ_ASSERT(ClearKeyDecryptionManager::Get()->HasKeyForKeyId(*it));
ClearKeyDecryptionManager::Get()->ReleaseKeyId(*it);
mCallback->KeyStatusChanged(&mSessionId[0], mSessionId.size(),
&(*it)[0], it->size(),
kGMPUnknown);
}
}
void
ClearKeySession::Init(uint32_t aCreateSessionToken,
uint32_t aPromiseId,
const uint8_t* aInitData, uint32_t aInitDataSize)
{
CK_LOGD("ClearKeySession::Init");
ClearKeyUtils::ParseInitData(aInitData, aInitDataSize, mKeyIds);
if (!mKeyIds.size()) {
const char message[] = "Couldn't parse cenc key init data";
mCallback->RejectPromise(aPromiseId, kGMPAbortError, message, strlen(message));
return;
}
mCallback->SetSessionId(aCreateSessionToken, &mSessionId[0], mSessionId.length());
mCallback->ResolvePromise(aPromiseId);
}
GMPSessionType
ClearKeySession::Type() const
{
return mSessionType;
}
void
ClearKeySession::AddKeyId(const KeyId& aKeyId)
{
mKeyIds.push_back(aKeyId);
}