test mode request redirect to callback_url

lib/omniauth/strategy.rb

@@ -274,7 +274,8 @@ module OmniAuth
       elsif env['HTTP_REFERER'] && !env['HTTP_REFERER'].match(/#{request_path}$/)
         @env['rack.session']['omniauth.origin'] = env['HTTP_REFERER']
       end
-      redirect(script_name + callback_path + query_string)
+
+      redirect(callback_url)
     end
 
     def mock_callback_call
@@ -411,11 +412,15 @@ module OmniAuth
       when Proc
         OmniAuth.config.full_host.call(env)
       else
+        # in Rack 1.3.x, request.url explodes if scheme is nil
+        if request.scheme && request.url.match(URI::ABS_URI)
           uri = URI.parse(request.url.gsub(/\?.*$/,''))
           uri.path = ''
           #sometimes the url is actually showing http inside rails because the other layers (like nginx) have handled the ssl termination.
           uri.scheme = 'https' if ssl?
           uri.to_s
+        else ""
+        end
       end
     end
 

spec/omniauth/strategy_spec.rb

@@ -547,6 +547,11 @@ describe OmniAuth::Strategy do
         expect(strategy.call(make_env('/AUTH/TeSt/CaLlBAck')).first).to eq(strategy.call(make_env('/auth/test/callback')).first)
       end
 
+      it "maintains host and port" do
+        response = strategy.call(make_env('/auth/test', 'rack.url_scheme' => "http", 'HTTP_HOST' => 'example.org', 'SERVER_PORT' => 3000))
+        expect(response[1]['Location']).to eq('http://example.org:3000/auth/test/callback')
+      end
+
       it "maintains query string parameters" do
         response = strategy.call(make_env('/auth/test', 'QUERY_STRING' => 'cheese=stilton'))
         expect(response[1]['Location']).to eq('/auth/test/callback?cheese=stilton')
@@ -662,6 +667,7 @@ describe OmniAuth::Strategy do
       end
 
       after do
+        OmniAuth.config.full_host = nil
         OmniAuth.config.test_mode = false
       end
     end