PassengerStatistics/Main/ServiceLogic.cpp

101 lines
4.3 KiB
C++

#include "ServiceLogic.h"
#include "Core/Logger.h"
#include "Core/Singleton.h"
#include "HttpSession.h"
#include "Settings.h"
#include <boost/beast/http/file_body.hpp>
#include <boost/url/url_view.hpp>
#include <filesystem>
#include <sstream>
namespace ServiceLogic {
using namespace boost::beast;
std::string extractToken(const std::string &cookieHeader, const std::string &tokenName = "access_token") {
// 格式示例:"access_token=abc123; Path=/; Expires=Wed, 21 Oct 2023 07:28:00 GMT"
size_t startPos = cookieHeader.find(tokenName + "=");
if (startPos == std::string::npos) {
return "";
}
startPos += tokenName.size() + 1; // 跳过 "token_name="
size_t endPos = cookieHeader.find(';', startPos);
if (endPos == std::string::npos) {
endPos = cookieHeader.size();
}
std::string token = cookieHeader.substr(startPos, endPos - startPos);
// 移除可能的引号和空格
token.erase(std::remove(token.begin(), token.end(), '"'), token.end());
token.erase(std::remove(token.begin(), token.end(), ' '), token.end());
return token;
}
boost::beast::http::response<boost::beast::http::string_body>
serverError(const boost::beast::http::request<boost::beast::http::string_body> &request,
std::string_view errorMessage) {
using namespace boost::beast;
http::response<http::string_body> res{http::status::internal_server_error, request.version()};
res.set(http::field::server, BOOST_BEAST_VERSION_STRING);
res.set(http::field::content_type, "text/html");
res.keep_alive(request.keep_alive());
std::ostringstream oss;
oss << "An error occurred: '" << errorMessage << "'";
res.body() = oss.str();
res.prepare_payload();
return res;
}
http::response<http::string_body> badRequest(const http::request<http::string_body> &request, std::string_view why) {
http::response<http::string_body> res{http::status::bad_request, request.version()};
res.set(http::field::server, BOOST_BEAST_VERSION_STRING);
res.set(http::field::content_type, "text/html");
res.keep_alive(request.keep_alive());
res.body() = std::string(why);
res.prepare_payload();
return res;
}
void staticFilesDeploy() {
using namespace Core;
using namespace boost::urls;
auto application = Singleton<Danki::Application>::instance();
// clang-format off
application->insertUrl("/{path*}", [](Danki::HttpSession &session, const Danki::Application::Request &request, const matches &matches) {
using namespace boost::beast;
url_view view(request.target());
auto target = view.path();
LOG(info) << target;
if (target.find("..") != boost::beast::string_view::npos) {
session.reply(ServiceLogic::badRequest(request, "Illegal request-target"));
return;
}
auto settings = Singleton<Danki::Settings>::instance();
std::string path = ResponseUtility::pathCat(settings->documentRoot(), target);
if (target.back() == '/') path.append("index.html");
if (std::filesystem::is_directory(path)) path.append("/index.html");
boost::beast::error_code ec;
http::file_body::value_type body;
body.open(path.c_str(), boost::beast::file_mode::scan, ec);
if (ec == boost::beast::errc::no_such_file_or_directory) {
std::ostringstream oss;
oss << "The resource '" << target << "' was not found.";
LOG(error) << oss.str();
session.errorReply(request, http::status::not_found, oss.str());
return;
} else if (ec) {
session.reply(ServiceLogic::serverError(request, ec.message()));
return;
}
auto const size = body.size();
http::response<http::file_body> res{std::piecewise_construct, std::make_tuple(std::move(body)),
std::make_tuple(http::status::ok, request.version())};
res.set(http::field::server, BOOST_BEAST_VERSION_STRING);
res.set(http::field::content_type, ResponseUtility::mimeType(path));
res.content_length(size);
res.keep_alive(request.keep_alive());
session.reply(std::move(res));
});
// clang-format on
}
} // namespace ServiceLogic