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clio/src/util/newconfig/ConfigConstraints.cpp
2025-03-11 12:54:22 +00:00

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3.5 KiB
C++

//------------------------------------------------------------------------------
/*
This file is part of clio: https://github.com/XRPLF/clio
Copyright (c) 2024, the clio developers.
Permission to use, copy, modify, and distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
//==============================================================================
#include "util/newconfig/ConfigConstraints.hpp"
#include "util/newconfig/Error.hpp"
#include "util/newconfig/Types.hpp"
#include <boost/asio/ip/address.hpp>
#include <cstdint>
#include <optional>
#include <regex>
#include <stdexcept>
#include <string>
#include <variant>
namespace util::config {
std::optional<Error>
PortConstraint::checkTypeImpl(Value const& port) const
{
if (!(std::holds_alternative<int64_t>(port) || std::holds_alternative<std::string>(port)))
return Error{"Port must be a string or integer"};
return std::nullopt;
}
std::optional<Error>
PortConstraint::checkValueImpl(Value const& port) const
{
uint32_t p = 0;
if (std::holds_alternative<std::string>(port)) {
try {
p = static_cast<uint32_t>(std::stoi(std::get<std::string>(port)));
} catch (std::invalid_argument const& e) {
return Error{"Port string must be an integer."};
}
} else {
p = static_cast<uint32_t>(std::get<int64_t>(port));
}
if (p >= kPORT_MIN && p <= kPORT_MAX)
return std::nullopt;
return Error{"Port does not satisfy the constraint bounds"};
}
std::optional<Error>
ValidIPConstraint::checkTypeImpl(Value const& ip) const
{
if (!std::holds_alternative<std::string>(ip))
return Error{"Ip value must be a string"};
return std::nullopt;
}
std::optional<Error>
ValidIPConstraint::checkValueImpl(Value const& ip) const
{
boost::system::error_code errorCode;
boost::asio::ip::make_address(std::get<std::string>(ip), errorCode);
if (not errorCode.failed())
return std::nullopt;
static std::regex const kHOST{
R"regex(^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])$)regex"
};
if (std::regex_match(std::get<std::string>(ip), kHOST))
return std::nullopt;
return Error{"Ip is not a valid ip address or hostname"};
}
std::optional<Error>
PositiveDouble::checkTypeImpl(Value const& num) const
{
if (!(std::holds_alternative<double>(num) || std::holds_alternative<int64_t>(num)))
return Error{"Double number must be of type int or double"};
return std::nullopt;
}
std::optional<Error>
PositiveDouble::checkValueImpl(Value const& num) const
{
if (std::holds_alternative<int64_t>(num) && std::get<int64_t>(num) >= 0)
return std::nullopt;
if (std::get<double>(num) >= 0)
return std::nullopt;
return Error{"Double number must be greater than or equal to 0"};
}
} // namespace util::config