ssh proxy: added support for https requests too

lib/httpx/plugins/proxy/ssh.rb

@@ -6,10 +6,10 @@ module HTTPX
   module Plugins
     module Proxy
       module SSH
-      	def self.load_dependencies(klass, *)
+        def self.load_dependencies(_klass, *)
           # klass.plugin(:proxy)
           require "net/ssh/gateway"
-      	end
+        end
 
         module InstanceMethods
           def with_proxy(*args)
@@ -31,13 +31,33 @@ module HTTPX
             @_gateway = Net::SSH::Gateway.new(ssh_uri.host, ssh_username, ssh_options)
             begin
               @_gateway.open(request_uri.host, request_uri.port) do |local_port|
-                io = TCPSocket.open("localhost", local_port)
+                io = build_gateway_socket(local_port, request_uri)
                 super(*requests, **options.merge(io: io))
               end
             ensure
               @_gateway.shutdown!
             end
           end
+
+          def build_gateway_socket(port, request_uri)
+            case request_uri.scheme
+            when "https"
+              ctx = OpenSSL::SSL::SSLContext.new
+              ctx_options = SSL::TLS_OPTIONS.merge(@options.ssl)
+              ctx.set_params(ctx_options) unless ctx_options.empty?
+              sock = TCPSocket.open("localhost", port)
+              io = OpenSSL::SSL::SSLSocket.new(sock, ctx)
+              io.hostname = request_uri.host
+              io.sync_close = true
+              io.connect
+              io.post_connection_check(request_uri.host) if ctx.verify_mode != OpenSSL::SSL::VERIFY_NONE
+              io
+            when "http"
+              TCPSocket.open("localhost", port)
+            else
+              raise Error, "unexpected scheme: #{request_uri.scheme}"
+            end
+          end
         end
 
         module OptionsMethods