request.h

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/*
 * Copyright © 2013 Canonical Ltd.
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version 3,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Authored by: Thomas Voß <thomas.voss@canonical.com>
 */
 
#ifndef CORE_TRUST_REQUEST_H_
#define CORE_TRUST_REQUEST_H_
 
#include <core/trust/tagged_integer.h>
#include <core/trust/visibility.h>
 
#include <cstdint>
 
#include <chrono>
#include <memory>
#include <ostream>
#include <string>
 
namespace core
{
namespace trust
{
// Forward declarations
class Agent;
class Store;

struct CORE_TRUST_DLL_PUBLIC Request
{
    typedef std::chrono::system_clock::duration Duration;
    typedef std::chrono::system_clock::time_point Timestamp;

    static constexpr const unsigned int default_feature = 0;

    enum class Answer : std::int32_t
    {
        denied, 
        granted, 
    };

    std::string from;
    Feature feature;
    Timestamp when;
    Answer answer;
};

CORE_TRUST_DLL_PUBLIC bool operator==(const Request& lhs, const Request& rhs);

CORE_TRUST_DLL_PUBLIC std::ostream& operator<<(std::ostream& out, const Request::Answer& a);

CORE_TRUST_DLL_PUBLIC std::ostream& operator<<(std::ostream& out, const Request& r);

struct CORE_TRUST_DLL_PUBLIC RequestParameters
{
    std::shared_ptr<Agent> agent;
    std::shared_ptr<Store> store;
    core::trust::Uid application_uid;
    core::trust::Pid application_pid;
    std::string application_id;
    Feature feature;
    std::string description;
};

CORE_TRUST_DLL_PUBLIC Request::Answer process_trust_request(const RequestParameters& params);
}
}
 
#endif // CORE_TRUST_REQUEST_H_