GitHubDownloader.hpp

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// SPDX-FileCopyrightText: 2025 Pairinteraction Developers
// SPDX-License-Identifier: LGPL-3.0-or-later
 
#pragma once
 
#include <future>
#include <memory>
#include <string>
 
namespace httplib {
class SSLClient;
}
 
namespace pairinteraction {
 
class GitHubDownloader {
public:
    struct RateLimit {
        int remaining = -1;  // remaining number of requests
        int reset_time = -1; // unix timestamp when the rate limit resets
    };
 
    class Result {
    public:
        int status_code = 400;
        std::string last_modified;
        std::string body;
        RateLimit rate_limit;
    };
 
    GitHubDownloader();
    virtual ~GitHubDownloader();
    virtual std::future<Result> download(const std::string &remote_url,
                                         const std::string &if_modified_since = "",
                                         bool use_octet_stream = false) const;
    RateLimit get_rate_limit() const;
    std::string get_host() const;
 
private:
    const std::string host{"api.github.com"};
    const std::string cert{R"(Comodo AAA Services root
========================
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-----END CERTIFICATE-----)"};
    std::unique_ptr<httplib::SSLClient> client;
};
 
} // namespace pairinteraction