monero/src/wallet/api/utils.cpp

// Copyright (c) 2014-2016, The Monero Project
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//    of conditions and the following disclaimer in the documentation and/or other
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// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers



#include "include_base_utils.h"                     // LOG_PRINT_x
#include "net/http_client.h"                        // epee::net_utils::...
#include <boost/asio.hpp>

using namespace std;

namespace Bitmonero {
namespace Utils {


// copy-pasted from simplewallet.

bool isAddressLocal(const std::string &address)
{
    // extract host
    epee::net_utils::http::url_content u_c;
    if (!epee::net_utils::parse_url(address, u_c))
    {
        LOG_PRINT_L1("Failed to determine whether daemon is local, assuming not");
        return false;
    }
    if (u_c.host.empty())
    {
        LOG_PRINT_L1("Failed to determine whether daemon is local, assuming not");
        return false;
    }
    // resolver::resolve can throw an exception
    try {
        // resolve to IP
        boost::asio::io_service io_service;
        boost::asio::ip::tcp::resolver resolver(io_service);
        boost::asio::ip::tcp::resolver::query query(u_c.host, "", boost::asio::ip::tcp::resolver::query::canonical_name);
        boost::asio::ip::tcp::resolver::iterator i = resolver.resolve(query);
        while (i != boost::asio::ip::tcp::resolver::iterator())
        {
            const boost::asio::ip::tcp::endpoint &ep = *i;
            if (ep.address().is_loopback())
                return true;
            ++i;
        }
    } catch (const boost::system::system_error &e) {
        LOG_ERROR("Failed to resolve " << address << ", :" << e.what());
    }

    return false;
}

}


} // namespace