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50 lines
1.5 KiB
50 lines
1.5 KiB
/*
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* Copyright (C) 2017 The Android Open Source Project
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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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#ifndef LICENSE_FETCHER_H_
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#define LICENSE_FETCHER_H_
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#include "protos/license_protos.pb.h"
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#include <media/stagefright/foundation/ABase.h>
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namespace android {
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namespace clearkeycas {
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// Interface for classes which request a license.
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class LicenseFetcher {
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public:
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LicenseFetcher() {}
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virtual ~LicenseFetcher() {}
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// Initializes resources set in subclass-specific calls. This must be called
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// before threads are started.
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virtual status_t Init(const char *input) = 0;
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// Fetches license based on |asset_id|. On return, |asset| contains the
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// decrypted asset_key needed to decrypt content keys.
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// |asset| must be non-null.
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virtual status_t FetchLicense(
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uint64_t asset_id, clearkeycas::Asset* asset) = 0;
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private:
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DISALLOW_EVIL_CONSTRUCTORS(LicenseFetcher);
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};
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} // namespace clearkeycas
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} // namespace android
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#endif // LICENSE_FETCHER_H_
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