You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
65 lines
1.9 KiB
65 lines
1.9 KiB
/*
|
|
* Copyright (C) 2017 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef CLEAR_KEY_FETCHER_H_
|
|
#define CLEAR_KEY_FETCHER_H_
|
|
|
|
#include <vector>
|
|
|
|
#include "protos/license_protos.pb.h"
|
|
|
|
#include <media/stagefright/foundation/ABase.h>
|
|
#include "KeyFetcher.h"
|
|
|
|
namespace android {
|
|
namespace clearkeycas {
|
|
|
|
class LicenseFetcher;
|
|
|
|
class ClearKeyFetcher : public KeyFetcher {
|
|
public:
|
|
// ClearKeyFetcher takes ownership of |license_fetcher|.
|
|
explicit ClearKeyFetcher(
|
|
std::unique_ptr<LicenseFetcher> license_fetcher);
|
|
|
|
virtual ~ClearKeyFetcher();
|
|
|
|
// Initializes the fetcher. Must be called before ObtainKey.
|
|
status_t Init() override;
|
|
|
|
// Obtains the |asset_id| and |keys| from the Ecm contained in |ecm|.
|
|
// Returns
|
|
// - errors returned by EcmContainer::Parse.
|
|
// - errors returned by ClassicLicenseFetcher::FetchLicense.
|
|
// - errors returned by Ecm::Decrypt.
|
|
// |asset_id| and |keys| are owned by the caller and cannot be null.
|
|
// Init() must have been called.
|
|
status_t ObtainKey(const sp<ABuffer>& ecm, uint64_t* asset_id,
|
|
std::vector<KeyInfo>* keys) override;
|
|
|
|
private:
|
|
clearkeycas::Asset asset_;
|
|
bool initialized_;
|
|
std::unique_ptr<LicenseFetcher> license_fetcher_;
|
|
|
|
DISALLOW_EVIL_CONSTRUCTORS(ClearKeyFetcher);
|
|
};
|
|
|
|
} // namespace clearkeycas
|
|
} // namespace android
|
|
|
|
#endif // CLEAR_KEY_FETCHER_H_
|