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Diffstat (limited to 'src/lib/util/server_wss.hpp')
-rw-r--r-- | src/lib/util/server_wss.hpp | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/src/lib/util/server_wss.hpp b/src/lib/util/server_wss.hpp new file mode 100644 index 00000000000..000c00bf83d --- /dev/null +++ b/src/lib/util/server_wss.hpp @@ -0,0 +1,77 @@ +// license:MIT +// copyright-holders:Ole Christian Eidheim, Miodrag Milanovic +#ifndef SERVER_WSS_HPP +#define SERVER_WSS_HPP + +#include "server_ws.hpp" +#include "asio/ssl.hpp" +#include <openssl/ssl.h> +#include <algorithm> + +namespace webpp { + using WSS = asio::ssl::stream<asio::ip::tcp::socket>; + + template<> + class SocketServer<WSS> : public SocketServerBase<WSS> { + std::string session_id_context; + bool set_session_id_context = false; + public: + SocketServer(const std::string& cert_file, const std::string& private_key_file, + const std::string& verify_file=std::string()) : SocketServerBase<WSS>(443), context(asio::ssl::context::tlsv12) { + + context.use_certificate_chain_file(cert_file); + context.use_private_key_file(private_key_file, asio::ssl::context::pem); + + if (verify_file.size() > 0) { + context.load_verify_file(verify_file); + context.set_verify_mode(asio::ssl::verify_peer | asio::ssl::verify_fail_if_no_peer_cert | + asio::ssl::verify_client_once); + set_session_id_context=true; + } + } + + void start() override { + if(set_session_id_context) { + // Creating session_id_context from address:port but reversed due to small SSL_MAX_SSL_SESSION_ID_LENGTH + session_id_context=std::to_string(config.port)+':'; + session_id_context.append(config.address.rbegin(), config.address.rend()); + SSL_CTX_set_session_id_context(context.native_handle(), reinterpret_cast<const unsigned char*>(session_id_context.data()), + std::min<size_t>(session_id_context.size(), SSL_MAX_SSL_SESSION_ID_LENGTH)); + } + SocketServerBase::start(); + } + protected: + asio::ssl::context context; + + void accept() override { + //Create new socket for this connection (stored in Connection::socket) + //Shared_ptr is used to pass temporary objects to the asynchronous functions + std::shared_ptr<Connection> connection(new Connection(new WSS(*io_context, context))); + + acceptor->async_accept(connection->socket->lowest_layer(), [this, connection](const std::error_code& ec) { + //Immediately start accepting a new connection (if io_context hasn't been stopped) + if (ec != asio::error::operation_aborted) + accept(); + + if(!ec) { + asio::ip::tcp::no_delay option(true); + connection->socket->lowest_layer().set_option(option); + + //Set timeout on the following asio::ssl::stream::async_handshake + auto timer = get_timeout_timer(connection, config.timeout_request); + connection->socket->async_handshake(asio::ssl::stream_base::server, + [this, connection, timer](const std::error_code& ec) { + if(timer) + timer->cancel(); + if(!ec) + read_handshake(connection); + }); + } + }); + } + }; +} + + +#endif /* SERVER_WSS_HPP */ + |