wallet2_api: implement runtime proxy configuration

src/net/http.cpp

@@ -0,0 +1,70 @@
+// Copyright (c) 2020, The Monero Project
+//
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+//
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+//
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "http.h"
+
+#include "parse.h"
+#include "socks_connect.h"
+
+namespace net
+{
+namespace http
+{
+
+bool client::set_proxy(const std::string &address)
+{
+  if (address.empty())
+  {
+    set_connector(epee::net_utils::direct_connect{});
+  }
+  else
+  {
+    const auto endpoint = get_tcp_endpoint(address);
+    if (!endpoint)
+    {
+      auto always_fail = net::socks::connector{boost::asio::ip::tcp::endpoint()};
+      set_connector(always_fail);
+    }
+    else
+    {
+      set_connector(net::socks::connector{*endpoint});
+    }
+  }
+
+  disconnect();
+
+  return true;
+}
+
+std::unique_ptr<epee::net_utils::http::abstract_http_client> client_factory::create()
+{
+  return std::unique_ptr<epee::net_utils::http::abstract_http_client>(new client());
+}
+
+} // namespace http
+} // namespace net