Contents

require 'securerandom'

# This handler can be used for fast, client-side upload of images (or canvas) directly to storage.
# When client is taking snapshot of image or canvas, we don't need to use PhantomJS.
module Shutterbug
  module Handlers
    class DirectUploadHandler

      def self.regex
        /#{Configuration.instance.path_prefix}\/img_upload_url/
      end

      # Returns put_url and get_url for a new file that should be uploaded by the client.
      # Of course get_url will work after file is uploaded.
      def handle(helper, req, env)
        format = req.GET()['format'] || 'png'

        object_name = "img-#{SecureRandom.uuid}.#{format}"
        storage = Configuration.instance.storage
        unless storage.respond_to? :put_url
          return helper.response('direct upload not available', 'text/plain', 400)
        end
        helper.response({
          put_url: storage.put_url(object_name),
          get_url: storage.get_url(object_name),
        }.to_json, 'application/json')
      end
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
shutterbug-0.5.0	lib/shutterbug/handlers/direct_upload_handler.rb
shutterbug-0.4.3	lib/shutterbug/handlers/direct_upload_handler.rb