Files
clio/src/rpc/Factories.cpp
2024-03-01 15:58:18 +00:00

118 lines
4.3 KiB
C++

//------------------------------------------------------------------------------
/*
This file is part of clio: https://github.com/XRPLF/clio
Copyright (c) 2022, 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 "rpc/Factories.hpp"
#include "data/Types.hpp"
#include "rpc/Errors.hpp"
#include "rpc/common/APIVersion.hpp"
#include "rpc/common/Types.hpp"
#include "util/Expected.hpp"
#include "util/Taggable.hpp"
#include "web/Context.hpp"
#include <boost/asio/spawn.hpp>
#include <boost/json/array.hpp>
#include <boost/json/object.hpp>
#include <boost/json/value.hpp>
#include <boost/json/value_to.hpp>
#include <ripple/protocol/ErrorCodes.h>
#include <functional>
#include <memory>
#include <string>
using namespace std;
using namespace util;
namespace rpc {
util::Expected<web::Context, Status>
make_WsContext(
boost::asio::yield_context yc,
boost::json::object const& request,
std::shared_ptr<web::ConnectionBase> const& session,
util::TagDecoratorFactory const& tagFactory,
data::LedgerRange const& range,
std::string const& clientIp,
std::reference_wrapper<APIVersionParser const> apiVersionParser
)
{
boost::json::value commandValue = nullptr;
if (!request.contains("command") && request.contains("method")) {
commandValue = request.at("method");
} else if (request.contains("command") && !request.contains("method")) {
commandValue = request.at("command");
}
if (!commandValue.is_string())
return Error{{ClioError::rpcCOMMAND_IS_MISSING, "Method/Command is not specified or is not a string."}};
auto const apiVersion = apiVersionParser.get().parse(request);
if (!apiVersion)
return Error{{ClioError::rpcINVALID_API_VERSION, apiVersion.error()}};
auto const command = boost::json::value_to<std::string>(commandValue);
return web::Context(yc, command, *apiVersion, request, session, tagFactory, range, clientIp, session->isAdmin());
}
Expected<web::Context, Status>
make_HttpContext(
boost::asio::yield_context yc,
boost::json::object const& request,
util::TagDecoratorFactory const& tagFactory,
data::LedgerRange const& range,
std::string const& clientIp,
std::reference_wrapper<APIVersionParser const> apiVersionParser,
bool const isAdmin
)
{
if (!request.contains("method"))
return Error{{ClioError::rpcCOMMAND_IS_MISSING}};
if (!request.at("method").is_string())
return Error{{ClioError::rpcCOMMAND_NOT_STRING}};
if (request.at("method").as_string().empty())
return Error{{ClioError::rpcCOMMAND_IS_EMPTY}};
auto const command = boost::json::value_to<std::string>(request.at("method"));
if (command == "subscribe" || command == "unsubscribe")
return Error{{RippledError::rpcBAD_SYNTAX, "Subscribe and unsubscribe are only allowed or websocket."}};
if (!request.at("params").is_array())
return Error{{ClioError::rpcPARAMS_UNPARSEABLE, "Missing params array."}};
boost::json::array const& array = request.at("params").as_array();
if (array.size() != 1 || !array.at(0).is_object())
return Error{{ClioError::rpcPARAMS_UNPARSEABLE}};
auto const apiVersion = apiVersionParser.get().parse(request.at("params").as_array().at(0).as_object());
if (!apiVersion)
return Error{{ClioError::rpcINVALID_API_VERSION, apiVersion.error()}};
return web::Context(
yc, command, *apiVersion, array.at(0).as_object(), nullptr, tagFactory, range, clientIp, isAdmin
);
}
} // namespace rpc