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85 lines
2.4 KiB
C++
85 lines
2.4 KiB
C++
/*
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* Copyright 2015, Mozilla Foundation and contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "ClearKeyDecryptionManager.h"
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#include "ClearKeySession.h"
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#include "ClearKeyUtils.h"
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#include "ClearKeyStorage.h"
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#include "gmp-task-utils.h"
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#include "gmp-api/gmp-decryption.h"
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#include "Endian.h"
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#include <assert.h>
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#include <string.h>
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using namespace mozilla;
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ClearKeySession::ClearKeySession(const std::string& aSessionId,
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GMPDecryptorCallback* aCallback,
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GMPSessionType aSessionType)
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: mSessionId(aSessionId)
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, mCallback(aCallback)
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, mSessionType(aSessionType)
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{
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CK_LOGD("ClearKeySession ctor %p", this);
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}
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ClearKeySession::~ClearKeySession()
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{
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CK_LOGD("ClearKeySession dtor %p", this);
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auto& keyIds = GetKeyIds();
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for (auto it = keyIds.begin(); it != keyIds.end(); it++) {
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assert(ClearKeyDecryptionManager::Get()->HasKeyForKeyId(*it));
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ClearKeyDecryptionManager::Get()->ReleaseKeyId(*it);
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mCallback->KeyStatusChanged(&mSessionId[0], mSessionId.size(),
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&(*it)[0], it->size(),
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kGMPUnknown);
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}
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}
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void
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ClearKeySession::Init(uint32_t aCreateSessionToken,
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uint32_t aPromiseId,
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const uint8_t* aInitData, uint32_t aInitDataSize)
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{
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CK_LOGD("ClearKeySession::Init");
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ClearKeyUtils::ParseInitData(aInitData, aInitDataSize, mKeyIds);
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if (!mKeyIds.size()) {
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const char message[] = "Couldn't parse cenc key init data";
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mCallback->RejectPromise(aPromiseId, kGMPAbortError, message, strlen(message));
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return;
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}
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mCallback->SetSessionId(aCreateSessionToken, &mSessionId[0], mSessionId.length());
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mCallback->ResolvePromise(aPromiseId);
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}
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GMPSessionType
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ClearKeySession::Type() const
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{
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return mSessionType;
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}
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void
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ClearKeySession::AddKeyId(const KeyId& aKeyId)
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{
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mKeyIds.push_back(aKeyId);
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}
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