module Fog module Storage def self.[](provider) self.new(:provider => provider) end def self.new(attributes) attributes = attributes.dup # prevent delete from having side effects case provider = attributes.delete(:provider).to_s.downcase.to_sym when :aws require 'fog/aws/storage' Fog::Storage::AWS.new(attributes) when :google require 'fog/google/storage' Fog::Storage::Google.new(attributes) when :hp require 'fog/hp/storage' Fog::Storage::HP.new(attributes) when :local require 'fog/local/storage' Fog::Storage::Local.new(attributes) when :ninefold require 'fog/ninefold/storage' Fog::Storage::Ninefold.new(attributes) when :rackspace require 'fog/rackspace/storage' Fog::Storage::Rackspace.new(attributes) else raise ArgumentError.new("#{provider} is not a recognized storage provider") end end def self.directories directories = [] for provider in self.providers begin directories.concat(self[provider].directories) rescue # ignore any missing credentials/etc end end directories end def self.get_body_size(body) if body.respond_to?(:force_encoding) body.force_encoding('BINARY') end if body.respond_to?(:bytesize) body.bytesize elsif body.respond_to?(:size) body.size elsif body.respond_to?(:stat) body.stat.size else 0 end end def self.parse_data(data) metadata = { :body => nil, :headers => {} } metadata[:body] = data metadata[:headers]['Content-Length'] = get_body_size(data) if data.respond_to?(:path) and !data.path.nil? filename = ::File.basename(data.path) unless (mime_types = MIME::Types.of(filename)).empty? metadata[:headers]['Content-Type'] = mime_types.first.content_type end end # metadata[:headers]['Content-MD5'] = Base64.encode64(Digest::MD5.digest(metadata[:body])).strip metadata end def self.providers Fog.services[:storage] end end end