From d747193e76baf689211d9f1e42335360288d43c0 Mon Sep 17 00:00:00 2001
From: Roland Reichwein <mail@reichwein.it>
Date: Mon, 9 Jan 2023 10:38:29 +0100
Subject: First websockets test via https

---
 tests/test-webserver.cpp | 85 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)

(limited to 'tests')

diff --git a/tests/test-webserver.cpp b/tests/test-webserver.cpp
index ef3b15f..7059bc6 100644
--- a/tests/test-webserver.cpp
+++ b/tests/test-webserver.cpp
@@ -15,10 +15,14 @@
 #include <boost/algorithm/string.hpp>
 #include <boost/beast/core.hpp>
 #include <boost/beast/http.hpp>
+#include <boost/beast/websocket.hpp>
+#include <boost/beast/websocket/ssl.hpp>
 #ifdef BOOST_LATEST
 #include <boost/beast/ssl.hpp>
 #endif
 #include <boost/beast/version.hpp>
+#include <boost/asio/buffer.hpp>
+#include <boost/asio/buffers_iterator.hpp>
 #include <boost/asio/connect.hpp>
 #include <boost/asio/ip/tcp.hpp>
 #include <boost/asio/ssl/error.hpp>
@@ -441,3 +445,84 @@ BOOST_DATA_TEST_CASE_F(Fixture, http_get_file_not_found, data::make({false, true
  BOOST_REQUIRE_EQUAL(response.second, method == boost::beast::http::verb::head ? "" : "404 Not found: /webserver.confSUFFIX");
 }
 
+BOOST_FIXTURE_TEST_CASE(websocket, Fixture)
+{
+ WebserverProcess serverProcess;
+ BOOST_REQUIRE(serverProcess.isRunning());
+
+
+        std::string host = "::1";
+        auto const  port = "8081" ;
+        auto const  text = "request1";
+
+        // The io_context is required for all I/O
+        boost::asio::io_context ioc;
+
+        // The SSL context is required, and holds certificates
+        boost::asio::ssl::context ctx{boost::asio::ssl::context::tlsv13_client};
+
+        // This holds the root certificate used for verification
+        load_root_certificates(ctx);
+
+        // These objects perform our I/O
+        boost::asio::ip::tcp::resolver resolver{ioc};
+        boost::beast::websocket::stream<boost::beast::ssl_stream<boost::asio::ip::tcp::socket>> ws{ioc, ctx};
+
+        // Look up the domain name
+        auto const results = resolver.resolve(host, port);
+
+        // Make the connection on the IP address we get from a lookup
+        auto ep = boost::asio::connect(get_lowest_layer(ws), results);
+
+        // Set SNI Hostname (many hosts need this to handshake successfully)
+        if(! SSL_set_tlsext_host_name(ws.next_layer().native_handle(), host.c_str()))
+            throw boost::beast::system_error(
+                boost::beast::error_code(
+                    static_cast<int>(::ERR_get_error()),
+                    boost::asio::error::get_ssl_category()),
+                "Failed to set SNI Hostname");
+
+        // Update the host_ string. This will provide the value of the
+        // Host HTTP header during the WebSocket handshake.
+        // See https://tools.ietf.org/html/rfc7230#section-5.4
+        host += ':' + std::to_string(ep.port());
+
+        // Perform the SSL handshake
+        ws.next_layer().handshake(boost::asio::ssl::stream_base::client);
+
+        // Set a decorator to change the User-Agent of the handshake
+        ws.set_option(boost::beast::websocket::stream_base::decorator(
+            [](boost::beast::websocket::request_type& req)
+            {
+                req.set(boost::beast::http::field::user_agent,
+                    std::string(BOOST_BEAST_VERSION_STRING) +
+                        " websocket-client-coro");
+            }));
+
+        // Perform the websocket handshake
+        ws.handshake(host, "/");
+
+        // Send the message
+        ws.write(boost::asio::buffer(std::string(text)));
+
+        // This buffer will hold the incoming message
+        boost::beast::flat_buffer buffer;
+
+        // Read a message into our buffer
+        ws.read(buffer);
+        std::string data(boost::asio::buffers_begin(buffer.data()), boost::asio::buffers_end(buffer.data()));
+        BOOST_CHECK_EQUAL(data, "request1: 0");
+
+        buffer.consume(buffer.size());
+
+        ws.write(boost::asio::buffer(std::string(text)));
+        ws.read(buffer);
+        data = std::string(boost::asio::buffers_begin(buffer.data()), boost::asio::buffers_end(buffer.data()));
+        BOOST_CHECK_EQUAL(data, "request1: 1");
+
+        // Close the WebSocket connection
+        ws.close(boost::beast::websocket::close_code::normal);
+
+ BOOST_REQUIRE(serverProcess.isRunning());
+}
+
-- 
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