Modules: Resolve many Rubocop violations

modules/host/get_internal_ip_java/module.rb

@@ -4,16 +4,15 @@
 # See the file 'doc/COPYING' for copying permission
 #
 class Get_internal_ip_java < BeEF::Core::Command
-
   def pre_send
     BeEF::Core::NetworkStack::Handlers::AssetHandler.instance.bind('/modules/host/get_internal_ip_java/get_internal_ip.class', '/get_internal_ip', 'class')
   end
 
-  #def self.options
+  # def self.options
   #  return [
   #      { 'name' => 'applet_name', 'description' => 'Applet Name', 'ui_label'=>'Number', 'value' =>'5551234','width' => '200px' },
   #  ]
-  #end
+  # end
 
   def post_execute
     content = {}
@@ -22,20 +21,17 @@ class Get_internal_ip_java < BeEF::Core::Command
     BeEF::Core::NetworkStack::Handlers::AssetHandler.instance.unbind('/get_internal_ip.class')
 
     configuration = BeEF::Core::Configuration.instance
-    if configuration.get("beef.extension.network.enable") == true
+    return unless configuration.get('beef.extension.network.enable') == true
 
-      session_id = @datastore['beefhook']
+    session_id = @datastore['beefhook']
 
-      # save the network host
-      if @datastore['results'] =~ /^([\d\.]+)$/
-        ip = $1
-        if BeEF::Filters.is_valid_ip?(ip)
-          print_debug("Hooked browser has network interface #{ip}")
-          BeEF::Core::Models::NetworkHost.create(:hooked_browser_id => session_id, :ip => ip)
-        end
-      end
+    # save the network host
+    return unless @datastore['results'] =~ /^([\d.]+)$/
+
+    ip = Regexp.last_match(1)
+    if BeEF::Filters.is_valid_ip?(ip)
+      print_debug("Hooked browser has network interface #{ip}")
+      BeEF::Core::Models::NetworkHost.create(hooked_browser_id: session_id, ip: ip)
     end
-
   end
-
 end