PR Comments

README.md

@@ -17,7 +17,6 @@ https://github.com/thoughtbot/paperclip/releases
 <!-- START doctoc generated TOC please keep comment here to allow auto update -->
 <!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
 
-
 - [Requirements](#requirements)
   - [Ruby and Rails](#ruby-and-rails)
   - [Image Processor](#image-processor)
@@ -43,6 +42,7 @@ https://github.com/thoughtbot/paperclip/releases
   - [Vintage Syntax](#vintage-syntax)
 - [Storage](#storage)
   - [Understanding Storage](#understanding-storage)
+- [IO Adapters](#io-adapters)
 - [Post Processing](#post-processing)
 - [Custom Attachment Processors](#custom-attachment-processors)
 - [Events](#events)
@@ -608,6 +608,28 @@ variables.
 
 ---
 
+IO Adapters
+-----------
+
+When a file is uploaded or attached, it an be in one of a few different input
+forms, from Rails' UploadedFile object to a StringIO to a Tempfile or even a
+simple String that is a URL that points to an image.
+
+Paperclip will accept, by default, many of these sources. It also is capable of
+handling even more with a little configuration. The IO Adapters that handle
+images from non-local sources are not enabled by default. They can be enabled by
+adding a line similar to the following into `config/initializers/paperclip.rb`:
+
+```ruby
+Paperclip::DataUriAdapter.regsiter
+```
+
+It's best to only enable a remote-loading adapter if you need it. Otherwise
+there's a chance that someone can gain insight into your internal network
+structure using it as a vector.
+
+---
+
 Post Processing
 ---------------
 

features/step_definitions/rails_steps.rb

@@ -60,7 +60,7 @@
 end
 
 Given /^I comment out lines that contain "([^"]+)" in "([^"]+)"$/ do |contains, glob|
-  cd (".") do
+  cd(".") do
     Dir.glob(glob).each do |file|
       transform_file(file) do |content|
         content.gsub(/^(.*?#{contains}.*?)$/) { |line| "# #{line}" }