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135 lines
3.8 KiB
135 lines
3.8 KiB
// this file is derived from a boost::beast sample
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#include <boost/beast/core.hpp>
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#include <boost/beast/http.hpp>
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#include <boost/beast/version.hpp>
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#include <boost/asio/ip/tcp.hpp>
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#include <boost/config.hpp>
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#include <cstdlib>
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#include <iostream>
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#include <memory>
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#include <string>
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#include <thread>
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namespace beast = boost::beast; // from <boost/beast.hpp>
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namespace http = beast::http; // from <boost/beast/http.hpp>
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namespace net = boost::asio; // from <boost/asio.hpp>
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using tcp = boost::asio::ip::tcp; // from <boost/asio/ip/tcp.hpp>
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#include "webserver.hh"
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namespace pEp {
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Webserver::Webserver(net::ip::address addr, unsigned short port, std::string doc_root)
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: _ioc(1), _acceptor(_ioc, {addr, port}), _doc_root(doc_root), _running(false) { }
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static beast::string_view mime_type(beast::string_view path)
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{
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using beast::iequals;
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auto const ext = [&path]
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{
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auto const pos = path.rfind(".");
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if(pos == beast::string_view::npos)
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return beast::string_view{};
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return path.substr(pos);
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}();
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if(iequals(ext, ".htm")) return "text/html";
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if(iequals(ext, ".html")) return "text/html";
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if(iequals(ext, ".css")) return "text/css";
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if(iequals(ext, ".txt")) return "text/plain";
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if(iequals(ext, ".js")) return "application/javascript";
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if(iequals(ext, ".json")) return "application/json";
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if(iequals(ext, ".xml")) return "application/xml";
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if(iequals(ext, ".png")) return "image/png";
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if(iequals(ext, ".jpeg")) return "image/jpeg";
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if(iequals(ext, ".jpg")) return "image/jpeg";
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if(iequals(ext, ".gif")) return "image/gif";
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if(iequals(ext, ".ico")) return "image/vnd.microsoft.icon";
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if(iequals(ext, ".tiff")) return "image/tiff";
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if(iequals(ext, ".tif")) return "image/tiff";
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if(iequals(ext, ".svg")) return "image/svg+xml";
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if(iequals(ext, ".svgz")) return "image/svg+xml";
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return "application/octet-stream";
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}
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static void fail(beast::error_code ec, char const* what)
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{
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std::cerr << what << ": " << ec.message() << "\n";
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;}
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void Webserver::add_url_handler(std::string url_regex, handler_t handler)
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{
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std::lock_guard< std::mutex > lock(_mtx);
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_urls.emplace(std::pair< std::string, Handling >(url_regex, {boost::regex(url_regex), handler}));
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}
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void Webserver::remove_url_handler(std::string url_regex) {
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std::lock_guard< std::mutex > lock(_mtx);
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_urls.erase(url_regex);
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}
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void Webserver::deliver_file(boost::string_view target)
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{
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}
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Webserver::handler_t Webserver::find_handler(request& r, boost::cmatch& m)
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{
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for (auto it=_urls.begin(); it!=_urls.end(); ++it) {
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if (boost::regex_match(r.target().data(), m, it->second.regex))
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return it->second.handler;
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}
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return nullptr;
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}
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void Webserver::do_session(tcp::socket *socket)
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{
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beast::error_code ec;
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beast::flat_buffer buffer;
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while (_running)
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{
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http::request<http::string_body> req;
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http::read(*socket, buffer, req, ec);
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if (ec == http::error::end_of_stream)
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break;
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if (ec)
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return fail(ec, "reading from stream");
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boost::cmatch m;
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Webserver::response *resp = nullptr;
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Webserver::handler_t handler = find_handler(req, m);
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if (handler) {
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resp = handler(m, req);
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}
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else {
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deliver_file(req.target());
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}
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delete resp;
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}
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socket->shutdown(tcp::socket::shutdown_send, ec);
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delete socket;
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}
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void Webserver::run()
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{
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_running = true;
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while (_running)
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{
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tcp::socket* socket = new tcp::socket{_ioc};
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_acceptor.accept(*socket);
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std::function< void() > tf = [&](){do_session(socket);};
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std::thread{tf}.detach();
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}
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}
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void Webserver::shutdown()
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{
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_running = false;
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}
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};
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