Use rugged in web editor for base64 encoding

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/services/files/create_service.rb

@@ -33,23 +33,20 @@ module Files
         end
       end
 
+      content =
         if params[:encoding] == 'base64'
-        new_file_action = Gitlab::Satellite::NewFileAction.new(current_user, project, ref, file_path)
-        created_successfully = new_file_action.commit!(
-          params[:content],
-          params[:commit_message],
-          params[:encoding],
-          params[:new_branch]
-        )
+          Base64.decode64(params[:content])
         else
+          params[:content]
+        end
+
       created_successfully = repository.commit_file(
         current_user,
         file_path,
-          params[:content],
+        content,
         params[:commit_message],
         params[:new_branch] || ref
       )
-      end
 
 
       if created_successfully

app/services/files/update_service.rb

@@ -19,23 +19,20 @@ module Files
         return error("You can only edit text files")
       end
 
+      content =
         if params[:encoding] == 'base64'
-        edit_file_action = Gitlab::Satellite::EditFileAction.new(current_user, project, ref, path)
-        edit_file_action.commit!(
-          params[:content],
-          params[:commit_message],
-          params[:encoding],
-          params[:new_branch]
-        )
+          Base64.decode64(params[:content])
         else
+          params[:content]
+        end
+
       repository.commit_file(
         current_user,
         path,
-          params[:content],
+        content,
         params[:commit_message],
         params[:new_branch] || ref
       )
-      end
 
       success
     rescue Gitlab::Satellite::CheckoutFailed => ex