1 files changed, 62 insertions, 0 deletions

diff --git a/server/src/http_client.cppm b/server/src/http_client.cppm
new file mode 100644
index 0000000..d5316d6
--- /dev/null
+++ b/server/src/http_client.cppm
@@ -0,0 +1,62 @@
+module;
+
+#include <boost/asio/connect.hpp>
+#include <boost/asio/ip/tcp.hpp>
+#include <boost/asio/ssl.hpp>
+#include <boost/beast/core.hpp>
+#include <boost/beast/http.hpp>
+
+export module routemon:http.client;
+
+export import :http.common;
+
+namespace net = boost::asio;
+namespace ssl = net::ssl;
+using tcp = net::ip::tcp;
+
+namespace routemon::http {
+
+  export class client {
+    net::io_context& ioc_;
+    ssl::context sslc_{ssl::context::tlsv12_client};
+    tcp::resolver resolver_;
+
+  public:
+    explicit client(net::io_context& ioc)
+      : ioc_{ioc}, resolver_{ioc}
+    {
+      sslc_.set_default_verify_paths();
+      sslc_.set_verify_mode(net::ssl::verify_peer | net::ssl::verify_fail_if_no_peer_cert);
+    }
+
+    template<class ReqBody>
+    auto do_request(bhttp::request<ReqBody>& req) -> bhttp::response<bhttp::dynamic_body> {
+      auto stream = ssl::stream<beast::tcp_stream>{ioc_, sslc_};
+
+      auto host = std::string{req.at(bhttp::field::host)};
+      if (!SSL_set_tlsext_host_name(stream.native_handle(), host.c_str())) {
+        throw beast::system_error(static_cast<int>(::ERR_get_error()),
+                                  net::error::get_ssl_category());
+      }
+      stream.set_verify_callback(ssl::host_name_verification(host));
+      auto const results = resolver_.resolve(host, "443");
+      beast::get_lowest_layer(stream).connect(results);
+      stream.handshake(ssl::stream_base::client);
+
+      req.set(bhttp::field::user_agent, "routemon/1.0");
+      bhttp::write(stream, req);
+
+      auto buffer = beast::flat_buffer{};
+      auto res = bhttp::response<bhttp::dynamic_body>{};
+      bhttp::read(stream, buffer, res);
+
+      auto ec = beast::error_code{};
+      stream.shutdown(ec);
+      if (ec != net::ssl::error::stream_truncated)
+        throw beast::system_error{ec};
+
+      return res;
+    }
+  };
+
+} // namespace routemon::http