250 lines
8.0 KiB
C++
250 lines
8.0 KiB
C++
#include "NetworkUtility.h"
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#include "BoostLog.h"
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#include "root_certificates.hpp"
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#include <boost/beast/core.hpp>
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#include <boost/beast/http/dynamic_body.hpp>
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#include <boost/beast/http/read.hpp>
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#include <boost/beast/http/write.hpp>
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#include <boost/beast/ssl/ssl_stream.hpp>
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#include <boost/beast/version.hpp>
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std::string Https::get(boost::asio::io_context &ioContext, const std::string &host, const std::string &port,
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const std::string &url, boost::system::error_code &error, Http::Version version) {
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Http::Client client(ioContext, Http::SSL, version);
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return client.get(host, port, url, error);
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}
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std::string Https::post(boost::asio::io_context &ioContext, const std::string &host, const std::string &port,
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const std::string &url, const std::string &body, boost::system::error_code &error,
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Http::Version version) {
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Http::Client client(ioContext, Http::SSL, version);
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return client.post(host, port, url, body, error);
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}
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std::string Https::put(boost::asio::io_context &ioContext, const std::string &host, const std::string &port,
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const std::string &url, const std::string &body, boost::system::error_code &error,
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Http::Version version) {
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Http::Client client(ioContext, Http::SSL, version);
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return client.put(host, port, url, body, error);
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}
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uint64_t Network::htonll(uint64_t val) {
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return (static_cast<uint64_t>(htonl(static_cast<uint32_t>(val))) << 32) + htonl(val >> 32);
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}
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uint64_t Network::ntohll(uint64_t val) {
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return (static_cast<uint64_t>(ntohl(static_cast<uint32_t>(val))) << 32) + ntohl(val >> 32);
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}
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bool Network::isConnected(const std::string_view &host, size_t size) {
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std::ostringstream oss;
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#ifdef __linux__
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oss << "ping " << host << " -q -W2 -c" << size;
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#else
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oss << "ping -n " << size << " " << host;
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#endif
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auto ret = std::system(oss.str().data());
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return ret == 0;
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}
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#ifdef WIN32
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#include <winsock.h>
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#endif
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Network::Network(int argc, char *argv[]) {
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#ifdef WIN32
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WORD wVersionRequested = MAKEWORD(2, 2);
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WSADATA wsaData;
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::WSAStartup(wVersionRequested, &wsaData);
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LOG(info) << "WinSock initialized complete.";
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#endif
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}
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Network::~Network() {
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#ifdef WIN32
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::WSACleanup();
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#endif
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}
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namespace Http {
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std::vector<ParseItem> parseFormData(const std::string_view &buffer) {
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std::vector<ParseItem> ret;
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auto pos = buffer.find("\r\n");
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std::string_view m_spliter = buffer.substr(0, pos);
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size_t m_end = buffer.rfind(m_spliter);
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pos = 0;
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while (pos != m_end) {
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pos = buffer.find(m_spliter, pos);
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if (pos == m_end) break;
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ParseItem item;
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auto dataSpliterPos = buffer.find("\r\n\r\n", pos);
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item.begin = dataSpliterPos + 4;
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item.end = buffer.find(m_spliter, pos + 1) - 2;
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auto meta = buffer.substr(pos, dataSpliterPos - pos);
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auto beginPos = meta.find("filename=\"") + 10;
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auto endPos = meta.find("\"", beginPos);
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item.filename = meta.substr(beginPos, endPos - beginPos);
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pos++;
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ret.push_back(item);
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}
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return ret;
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}
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class ClientPrivate {
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public:
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std::unique_ptr<boost::beast::ssl_stream<boost::beast::tcp_stream>> sslStream;
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std::unique_ptr<boost::beast::tcp_stream> tcpStream;
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};
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Client::Client(boost::asio::io_context &ioContext, Type type, Version version)
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: m_d(new ClientPrivate()), m_ioContext(ioContext) {
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m_request.version(static_cast<unsigned>(version));
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using namespace boost::asio;
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using namespace boost::beast;
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m_request.set(http::field::user_agent, BOOST_BEAST_VERSION_STRING);
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if (type == SSL) {
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m_sslContext = std::make_shared<ssl::context>(ssl::context::sslv23_client);
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}
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}
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Client::~Client() {
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boost::system::error_code error;
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shutdown(error);
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if (error) {
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LOG(error) << error.message();
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}
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if (m_d != nullptr) delete m_d;
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}
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void Client::loadRootCertificates(boost::system::error_code &error) {
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if (m_sslContext) {
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load_root_certificates(*m_sslContext, error);
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if (!error) {
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m_certificateLocation = CertificateLocation::Default;
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}
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}
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}
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std::string Client::get(const std::string &host, const std::string &port, const std::string &url,
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boost::system::error_code &error) {
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using namespace boost::beast;
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m_request.method(http::verb::get);
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m_request.target(url);
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m_request.set(http::field::host, host);
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return execute(host, port, m_request, error);
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}
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std::string Client::post(const std::string &host, const std::string &port, const std::string &url,
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const std::string &body, boost::system::error_code &error) {
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using namespace boost::beast;
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m_request.method(http::verb::post);
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m_request.target(url);
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m_request.set(http::field::host, host);
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m_request.body() = body;
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m_request.prepare_payload();
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return execute(host, port, m_request, error);
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}
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std::string Client::put(const std::string &host, const std::string &port, const std::string &url,
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const std::string &body, boost::system::error_code &error) {
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using namespace boost::beast;
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m_request.method(http::verb::put);
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m_request.target(url);
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m_request.set(http::field::host, host);
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m_request.body() = body;
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m_request.prepare_payload();
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return execute(host, port, m_request, error);
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}
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void Client::addRequestField(boost::beast::http::field name, const std::string &value) {
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m_request.set(name, value);
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}
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std::string Client::execute(const std::string &host, const std::string &port, const Request &request,
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boost::system::error_code &error) {
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using namespace boost::beast;
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if ((m_host != host) || (m_port != port) || (!m_d->sslStream && !m_d->tcpStream)) {
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if (m_d->sslStream || m_d->tcpStream) {
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boost::system::error_code errorCode;
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shutdown(errorCode);
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if (errorCode) {
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LOG(error) << errorCode.message();
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}
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}
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connect(host, port, error);
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if (error) {
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return std::string();
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}
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}
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if (m_d->sslStream) {
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http::write(*m_d->sslStream, request, error);
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} else if (m_d->tcpStream) {
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http::write(*m_d->tcpStream, request, error);
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}
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http::response<http::dynamic_body> response;
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if (!error) {
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flat_buffer buffer;
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if (m_d->sslStream) {
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http::read(*m_d->sslStream, buffer, response, error);
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} else if (m_d->tcpStream) {
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http::read(*m_d->tcpStream, buffer, response, error);
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}
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}
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return boost::beast::buffers_to_string(response.body().data());
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}
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void Client::connect(const std::string &host, const std::string &port, boost::system::error_code &error) {
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using namespace boost::asio::ip;
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using namespace boost::beast;
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tcp::resolver resolver(m_ioContext);
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auto const results = resolver.resolve(host, port, error);
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if (error) {
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return;
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}
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if (m_sslContext) {
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if (m_certificateLocation == CertificateLocation::None) {
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m_sslContext->set_default_verify_paths(error);
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if (!error) m_certificateLocation = CertificateLocation::SystemDependent;
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}
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m_d->sslStream = std::make_unique<ssl_stream<tcp_stream>>(m_ioContext, *m_sslContext);
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get_lowest_layer(*m_d->sslStream).connect(results, error);
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if (error) {
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return;
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}
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m_d->sslStream->handshake(ssl::stream_base::client, error);
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} else {
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m_d->tcpStream = std::make_unique<tcp_stream>(m_ioContext);
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m_d->tcpStream->connect(results, error);
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}
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if (error) {
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return;
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}
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m_host = host;
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m_port = port;
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}
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void Client::shutdown(boost::system::error_code &error) {
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using namespace boost::asio::ip;
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if (m_d->sslStream) {
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m_d->sslStream->shutdown(error);
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m_d->sslStream.reset();
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} else if (m_d->tcpStream) {
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m_d->tcpStream->socket().shutdown(tcp::socket::shutdown_both, error);
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m_d->tcpStream.reset();
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}
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}
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} // namespace Http
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