mirror of
https://github.com/WarmUpTill/SceneSwitcher.git
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deps: Add websocketpp as vendored code
Make it easier to apply patches as official releases are not openssl4 compatible, yet.
This commit is contained in:
WarmUpTill
154
deps/websocketpp/examples/echo_server_tls/echo_server_tls.cpp
vendored
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154
deps/websocketpp/examples/echo_server_tls/echo_server_tls.cpp
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/*
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* Copyright (c) 2015, Peter Thorson. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the WebSocket++ Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/**
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* NOTES
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*
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* This example uses a number of standard classes through the websocketpp::lib
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* namespace. This is to allow easy switching between Boost, the C++11 STL, and
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* the standalone Asio library. Your program need not use these namespaces if
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* you do not need this sort of flexibility.
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*/
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#include <websocketpp/config/asio.hpp>
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#include <websocketpp/server.hpp>
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#include <iostream>
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typedef websocketpp::server<websocketpp::config::asio_tls> server;
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using websocketpp::lib::placeholders::_1;
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using websocketpp::lib::placeholders::_2;
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using websocketpp::lib::bind;
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// pull out the type of messages sent by our config
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typedef websocketpp::config::asio::message_type::ptr message_ptr;
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typedef websocketpp::lib::shared_ptr<websocketpp::lib::asio::ssl::context> context_ptr;
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void on_message(server* s, websocketpp::connection_hdl hdl, message_ptr msg) {
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std::cout << "on_message called with hdl: " << hdl.lock().get()
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<< " and message: " << msg->get_payload()
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<< std::endl;
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try {
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s->send(hdl, msg->get_payload(), msg->get_opcode());
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} catch (websocketpp::exception const & e) {
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std::cout << "Echo failed because: "
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<< "(" << e.what() << ")" << std::endl;
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}
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}
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void on_http(server* s, websocketpp::connection_hdl hdl) {
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server::connection_ptr con = s->get_con_from_hdl(hdl);
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con->set_body("Hello World!");
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con->set_status(websocketpp::http::status_code::ok);
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}
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std::string get_password() {
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return "test";
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}
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// See https://wiki.mozilla.org/Security/Server_Side_TLS for more details about
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// the TLS modes. The code below demonstrates how to implement both the modern
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enum tls_mode {
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MOZILLA_INTERMEDIATE = 1,
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MOZILLA_MODERN = 2
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};
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context_ptr on_tls_init(tls_mode mode, websocketpp::connection_hdl hdl) {
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namespace asio = websocketpp::lib::asio;
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std::cout << "on_tls_init called with hdl: " << hdl.lock().get() << std::endl;
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std::cout << "using TLS mode: " << (mode == MOZILLA_MODERN ? "Mozilla Modern" : "Mozilla Intermediate") << std::endl;
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context_ptr ctx = websocketpp::lib::make_shared<asio::ssl::context>(asio::ssl::context::sslv23);
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try {
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if (mode == MOZILLA_MODERN) {
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// Modern disables TLSv1
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ctx->set_options(asio::ssl::context::default_workarounds |
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asio::ssl::context::no_sslv2 |
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asio::ssl::context::no_sslv3 |
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asio::ssl::context::no_tlsv1 |
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asio::ssl::context::single_dh_use);
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} else {
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ctx->set_options(asio::ssl::context::default_workarounds |
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asio::ssl::context::no_sslv2 |
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asio::ssl::context::no_sslv3 |
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asio::ssl::context::single_dh_use);
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}
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ctx->set_password_callback(bind(&get_password));
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ctx->use_certificate_chain_file("server.pem");
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ctx->use_private_key_file("server.pem", asio::ssl::context::pem);
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// Example method of generating this file:
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// `openssl dhparam -out dh.pem 2048`
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// Mozilla Intermediate suggests 1024 as the minimum size to use
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// Mozilla Modern suggests 2048 as the minimum size to use.
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ctx->use_tmp_dh_file("dh.pem");
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std::string ciphers;
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if (mode == MOZILLA_MODERN) {
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ciphers = "ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!3DES:!MD5:!PSK";
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} else {
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ciphers = "ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA";
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}
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if (SSL_CTX_set_cipher_list(ctx->native_handle() , ciphers.c_str()) != 1) {
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std::cout << "Error setting cipher list" << std::endl;
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}
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} catch (std::exception& e) {
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std::cout << "Exception: " << e.what() << std::endl;
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}
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return ctx;
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}
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int main() {
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// Create a server endpoint
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server echo_server;
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// Initialize ASIO
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echo_server.init_asio();
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// Register our message handler
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echo_server.set_message_handler(bind(&on_message,&echo_server,::_1,::_2));
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echo_server.set_http_handler(bind(&on_http,&echo_server,::_1));
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echo_server.set_tls_init_handler(bind(&on_tls_init,MOZILLA_INTERMEDIATE,::_1));
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// Listen on port 9002
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echo_server.listen(9002);
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// Start the server accept loop
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echo_server.start_accept();
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// Start the ASIO io_service run loop
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echo_server.run();
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}
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