support unix socket request

lib/roda/proxy.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
-require 'faraday'
 require 'roda/proxy/version'
+require 'net_http_unix'
   
 # :nodoc:
 class Roda
@@ -35,8 +35,11 @@ class Roda
         # rewritten to be the destination host. The response headers, body and
         # status are returned to the client.
         def proxy
-          method = Faraday.method(env['REQUEST_METHOD'].downcase.to_sym)
-          f_response = method.call(_proxy_url) { |req| _proxy_request(req) }
+          client = NetX::HTTPUnix.new(_sock_url)
+          request_class = Net::HTTP.const_get(:"#{env['REQUEST_METHOD'].to_s.downcase.capitalize}")
+          req = request_class.new(_proxy_url.to_s, _proxy_headers)
+          
+          f_response = client.request(req)
 #           p f_response
           _respond(f_response)
         end
@@ -63,12 +66,13 @@ class Roda
         
         private
         
-        
+        def _sock_url
+          roda_class.opts[:proxy_to]
+        end
         def _proxy_url
-          @_proxy_url ||= URI(roda_class.opts[:proxy_to])
-                          .then { |uri| uri.path = roda_class.opts[:proxy_path]; uri } # prefix
-                          .then { |uri| uri.path += env['PATH_INFO'][1..-1]; uri } # path
-                          .then { |uri| uri.query = env['QUERY_STRING']; uri }
+          uri = URI("#{roda_class.opts[:proxy_path]}#{env['PATH_INFO'][1..-1]}")
+          uri.query = env['QUERY_STRING']
+          uri
         end
         
         def _proxy_headers
@@ -82,15 +86,11 @@ class Roda
                .join('-')
             end
             .merge({ 
-                     'Host' => "#{_proxy_url.host}:#{_proxy_url.port}",
+                     'Host' => "localhost",
                      'Via' => _via_header_string
                    })
         end
         
-        def _proxy_request(req)
-          req.headers = _proxy_headers
-        end
-        
         def _respond(proxied_response)
           response.status = proxied_response.status
           proxied_response

roda-proxy.gemspec

@@ -12,7 +12,7 @@ Gem::Specification.new do |spec|
   spec.description   = 'A very simple reverse proxy for Roda'
   spec.homepage      = 'https://github.com/BillyRuffian/roda-proxy'
   spec.license       = 'MIT'
-  spec.required_ruby_version = Gem::Requirement.new('>= 2.3.0')
+  spec.required_ruby_version = Gem::Requirement.new('>= 2.1.0')
 
   spec.metadata['allowed_push_host'] = 'https://rubygems.org'
 
@@ -29,7 +29,6 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ['lib']
   
-  spec.add_dependency 'faraday', '~> 1.0'
   spec.add_dependency 'roda', '~> 3.0'
   
   spec.add_development_dependency 'rerun', '~> 0.13'