Move prepare_params method to v1.0 RpcCommand

The method was created to support RPC v1.0 (v10) processing and should
not be necessary for future RPC versions.

lib/msf/core/rpc/json/rpc_command.rb

@@ -40,7 +40,6 @@ module Msf::RPC::JSON
       end
 
       ::Timeout.timeout(@execute_timeout) do
-        params = prepare_params(params)
         if params.nil?
           return @methods[method].call()
         elsif params.is_a?(Array)
@@ -50,35 +49,5 @@ module Msf::RPC::JSON
         end
       end
     end
-
-    private
-
-    # Prepare params for use by RPC methods by converting all hashes
-    # to use strings for their names (keys).
-    # @param params [Array, Hash] parameters for the RPC call
-    # @returns [Array, Hash] modified parameters
-    def prepare_params(params)
-      clean_params = params
-      if params.is_a?(Array)
-        clean_params = params.map do |p|
-          if p.is_a?(Hash)
-            stringify_names(p)
-          else
-            p
-          end
-        end
-      elsif params.is_a?(Hash)
-        clean_params = stringify_names(params)
-      end
-
-      clean_params
-    end
-
-    # Stringify the names (keys) in hash.
-    # @param hash [Hash] input hash
-    # @returns [Hash] a new hash with strings for the keys.
-    def stringify_names(hash)
-      JSON.parse(JSON.dump(hash), symbolize_names: false)
-    end
   end
 end

lib/msf/core/rpc/json/v1_0/rpc_command.rb

@@ -106,6 +106,34 @@ module Msf::RPC::JSON
         handler
       end
 
+      # Prepare params for use by RPC methods by converting all hashes
+      # to use strings for their names (keys).
+      # @param params [Array, Hash] parameters for the RPC call
+      # @returns [Array, Hash] modified parameters
+      def prepare_params(params)
+        clean_params = params
+        if params.is_a?(Array)
+          clean_params = params.map do |p|
+            if p.is_a?(Hash)
+              stringify_names(p)
+            else
+              p
+            end
+          end
+        # elsif params.is_a?(Hash)
+        #   clean_params = stringify_names(params)
+        end
+
+        clean_params
+      end
+
+      # Stringify the names (keys) in hash.
+      # @param hash [Hash] input hash
+      # @returns [Hash] a new hash with strings for the keys.
+      def stringify_names(hash)
+        JSON.parse(JSON.dump(hash), symbolize_names: false)
+      end
+
       # Perform custom post processing of the execute result data.
       # @param result [Object] the method's return value
       # @param method [String] the RPC method name