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fog--fog/lib/fog/storage.rb
2013-01-31 15:16:49 -05:00

97 lines
2.6 KiB
Ruby

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 :atmos
require 'fog/atmos/storage'
Fog::Storage::Atmos.new(attributes)
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 :ibm
require 'fog/ibm/storage'
Fog::Storage::IBM.new(attributes)
when :internetarchive
require 'fog/internet_archive/storage'
Fog::Storage::InternetArchive.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)
when :openstack
require 'fog/openstack/storage'
Fog::Storage::OpenStack.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.get_content_type(data)
if data.respond_to?(:path) and !data.path.nil?
filename = ::File.basename(data.path)
unless (mime_types = MIME::Types.of(filename)).empty?
mime_types.first.content_type
end
end
end
def self.parse_data(data)
{
:body => data,
:headers => {
'Content-Length' => get_body_size(data),
'Content-Type' => get_content_type(data)
#'Content-MD5' => Base64.encode64(Digest::MD5.digest(metadata[:body])).strip
}
}
end
def self.providers
Fog.services[:storage]
end
end
end