Reorganize SSL examples

2017-07-20 08:15:27 -07:00
parent 8f627b0748
commit 8b5f5c6feb
11 changed files with 37 additions and 34 deletions
@@ -0,0 +1,91 @@
+//
+// Copyright (c) 2013-2017 Vinnie Falco (vinnie dot falco at gmail dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <beast/core.hpp>
+#include <beast/http.hpp>
+#include <boost/asio.hpp>
+#include <boost/asio/ssl.hpp>
+#include <boost/lexical_cast.hpp>
+#include <iostream>
+#include <string>
+
+int main()
+{
+    // A helper for reporting errors
+    auto const fail =
+        [](std::string what, beast::error_code ec)
+        {
+            std::cerr << what << ": " << ec.message() << std::endl;
+            std::cerr.flush();
+            return EXIT_FAILURE;
+        };
+
+    boost::system::error_code ec;
+
+    // Normal boost::asio setup
+    boost::asio::io_service ios;
+    boost::asio::ip::tcp::resolver r{ios};
+    boost::asio::ip::tcp::socket sock{ios};
+
+    // Look up the domain name
+    std::string const host = "www.example.com";
+    auto const lookup = r.resolve(boost::asio::ip::tcp::resolver::query{host, "https"}, ec);
+    if(ec)
+        return fail("resolve", ec);
+
+    // Make the connection on the IP address we get from a lookup
+    boost::asio::connect(sock, lookup, ec);
+    if(ec)
+        return fail("connect", ec);
+
+    // Wrap the now-connected socket in an SSL stream
+    boost::asio::ssl::context ctx{boost::asio::ssl::context::sslv23};
+    boost::asio::ssl::stream<boost::asio::ip::tcp::socket&> stream{sock, ctx};
+    stream.set_verify_mode(boost::asio::ssl::verify_none);
+
+    // Perform SSL handshaking
+    stream.handshake(boost::asio::ssl::stream_base::client, ec);
+    if(ec)
+        return fail("handshake", ec);
+
+    // Set up an HTTP GET request message
+    beast::http::request<beast::http::string_body> req;
+    req.method(beast::http::verb::get);
+    req.target("/");
+    req.version = 11;
+    req.set(beast::http::field::host, host + ":" +
+        boost::lexical_cast<std::string>(sock.remote_endpoint().port()));
+    req.set(beast::http::field::user_agent, "Beast");
+    req.prepare();
+
+    // Write the HTTP request to the remote host
+    beast::http::write(stream, req, ec);
+    if(ec)
+        return fail("write", ec);
+
+    // This buffer is used for reading and must be persisted
+    beast::flat_buffer b;
+
+    // Declare a container to hold the response
+    beast::http::response<beast::http::dynamic_body> res;
+
+    // Read the response
+    beast::http::read(stream, b, res, ec);
+    if(ec)
+        return fail("read", ec);
+
+    // Write the message to standard out
+    std::cout << res << std::endl;
+
+    // Shut down SSL on the stream
+    stream.shutdown(ec);
+    if(ec && ec != boost::asio::error::eof)
+        fail("ssl shutdown ", ec);
+
+    // If we get here then the connection is closed gracefully
+    return EXIT_SUCCESS;
+}