thoughtbot/paperclip — pull request #1283 by marcoow (2013-07-18 16:04:19+00:00)
Title: added handler for Base64-encoded data URIs

This allows assigning Base64-encoded data URIs like

data:image/png;base64,iVBORw0KGgoAAAANSU...

to Paperclip attachments. This is particularly helpful if you build JS apps with e.g. Ember.js