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/*
* Copyright (c) 2017-2019 Cisco and/or its affiliates.
* 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.
*/
#pragma once
#include <hicn/transport/interfaces/callbacks.h>
#include <hicn/transport/interfaces/verification_policy.h>
#include <hicn/transport/protocols/errors.h>
namespace transport {
namespace interface {
class ConsumerSocket;
}
namespace protocol {
using Packet = core::Packet;
using interface::ConsumerSocket;
using interface::VerificationPolicy;
using ContentObjectPtr = std::shared_ptr<core::ContentObject>;
class VerificationManager {
public:
virtual ~VerificationManager() = default;
virtual VerificationPolicy onPacketToVerify(const Packet& packet) = 0;
virtual bool onKeyToVerify() { return false; }
};
class SignatureVerificationManager : public VerificationManager {
public:
SignatureVerificationManager(interface::ConsumerSocket* icn_socket)
: icn_socket_(icn_socket), key_packets_() {}
interface::VerificationPolicy onPacketToVerify(const Packet& packet) override;
bool onKeyToVerify() override;
private:
ConsumerSocket* icn_socket_;
std::queue<ContentObjectPtr> key_packets_;
ContentObjectPtr copyPacket(const Packet& packet) {
std::shared_ptr<utils::MemBuf> packet_copy =
packet.acquireMemBufReference();
ContentObjectPtr content_object_copy =
std::make_shared<core::ContentObject>(std::move(packet_copy));
std::unique_ptr<utils::MemBuf> payload_copy = packet.getPayload();
content_object_copy->appendPayload(std::move(payload_copy));
return content_object_copy;
}
};
} // end namespace protocol
} // end namespace transport
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