54 lines
1.8 KiB
C++
54 lines
1.8 KiB
C++
/*
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* Copyright 1999-2019 Alibaba Cloud All rights reserved.
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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 CORE_INCLUDE_ALIBABACLOUD_CORE_INSTANCEPROFILECREDENTIALSPROVIDER_H_
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#define CORE_INCLUDE_ALIBABACLOUD_CORE_INSTANCEPROFILECREDENTIALSPROVIDER_H_
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#include "../src/EcsMetadataFetcher.h"
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#include "Credentials.h"
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#include "CredentialsProvider.h"
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#include <chrono>
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#include <memory>
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#include <mutex>
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#include <string>
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namespace AlibabaCloud {
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class ALIBABACLOUD_CORE_EXPORT InstanceProfileCredentialsProvider
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: public CredentialsProvider,
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public EcsMetadataFetcher {
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public:
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InstanceProfileCredentialsProvider(const std::string &roleName,
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int durationSeconds = 3600);
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~InstanceProfileCredentialsProvider();
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std::string roleName() const;
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Credentials getCredentials() override;
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using EcsMetadataFetcher::getMetadata;
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using EcsMetadataFetcher::roleName;
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using EcsMetadataFetcher::setRoleName;
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private:
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void loadCredentials();
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bool checkExpiry() const;
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std::mutex cachedMutex_;
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Credentials cachedCredentials_;
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int durationSeconds_;
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std::chrono::system_clock::time_point expiry_;
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};
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} // namespace AlibabaCloud
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#endif // CORE_INCLUDE_ALIBABACLOUD_CORE_INSTANCEPROFILECREDENTIALSPROVIDER_H_
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