wordlist validators

added custom fielpath vaidator and
added validations to the wordlist class

app/validators/metasploit.rb

@@ -0,0 +1 @@
+require 'metasploit/framework/file_path_validator'

app/validators/metasploit/framework/file_path_validator.rb

@@ -0,0 +1,16 @@
+module Metasploit
+  module Framework
+    # This is a ActiveModel custom validator that assumes the attribute
+    # is supposed to be the path to a regular file. It checks whether the
+    # file exists and whether or not it is a regular file.
+    class FilePathValidator < ActiveModel::EachValidator
+
+      def validate_each(record, attribute, value)
+        unless ::File.file? value
+          record.errors[attribute] << (options[:message] || "is not a valid path to a regular file")
+        end
+      end
+    end
+  end
+end
+

lib/metasploit/framework/jtr/wordlist.rb

@@ -1,3 +1,4 @@
+require 'metasploit/framework/jtr/invalid_wordlist'
 
 module Metasploit
   module Framework
@@ -48,6 +49,8 @@ module Metasploit
         #   @return [FalseClass] if you do not want to seed the wordlist with existing hostnames from the database
         attr_accessor :use_hostnames
 
+        validates :custom_wordlist, :'Metasploit::Framework::File_path' => true
+
         validates :mutate,
                   inclusion: { in: [true, false] }