Update options to use OptEnum for HTTP_METHOD

Author: jjarmoc

modules/exploits/multi/http/rails_json_yaml_code_exec.rb

@@ -55,8 +55,7 @@ def initialize(info = {})
 			[
 				Opt::RPORT(80),
 				OptString.new('TARGETURI', [ true, 'The path to a vulnerable Ruby on Rails application', "/"]),
-				OptString.new('HTTP_METHOD', [ true, 'The HTTP request method (GET, POST, PUT typically work)', "POST"])
-
+				OptEnum.new('HTTP_METHOD', [true, 'HTTP Method', 'POST', ['GET', 'POST', 'PUT'] ])
 			], self.class)
 
 	end

modules/exploits/multi/http/rails_xml_yaml_code_exec.rb

@@ -53,8 +53,7 @@ def initialize(info = {})
 			[
 				Opt::RPORT(80),
 				OptString.new('URIPATH', [ true, 'The path to a vulnerable Ruby on Rails application', "/"]),
-				OptString.new('HTTP_METHOD', [ true, 'The HTTP request method (GET, POST, PUT typically work)', "POST"])
-
+				OptEnum.new('HTTP_METHOD', [true, 'HTTP Method', 'POST', ['GET', 'POST', 'PUT'] ])
 			], self.class)
 
 		register_evasion_options(