Module: Fog::Storage

Defined in:
lib/fog/storage.rb

Class Method Summary collapse

Class Method Details

.[](provider) ⇒ Object 



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# File 'lib/fog/storage.rb', line 5

def self.[](provider)
  new(:provider => provider)
end

.directories ⇒ Object 



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# File 'lib/fog/storage.rb', line 32

def self.directories
  directories = []
  providers.each do |provider|
    begin
      directories.concat(self[provider].directories)
    rescue # ignore any missing credentials/etc
    end
  end
  directories
end

.get_body_size(body) ⇒ Object 



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# File 'lib/fog/storage.rb', line 43

def self.get_body_size(body)
  if body.respond_to?(:encoding)
    original_encoding = body.encoding
    body.force_encoding('BINARY')
  end

  size = 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

  if body.respond_to?(:encoding)
    body.force_encoding(original_encoding)
  end

  size
end

.get_content_type(data) ⇒ Object 



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# File 'lib/fog/storage.rb', line 66

def self.get_content_type(data)
  if data.respond_to?(:path) && !data.path.nil?
    filename = ::File.basename(data.path)
    unless (mime_types = MIME::Types.of(filename)).empty?
      mime_types.first.content_type
    end
  end
end

.new(attributes) ⇒ Object 



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# File 'lib/fog/storage.rb', line 9

def self.new(attributes)
  attributes = attributes.dup # prevent delete from having side effects
  case provider = attributes.delete(:provider).to_s.downcase.to_sym
  when :internetarchive
    require "fog/internet_archive/storage"
    Fog::Storage::InternetArchive.new(attributes)
  when :stormondemand
    require "fog/storage/storm_on_demand"
    Fog::Storage::StormOnDemand.new(attributes)
  else
    if providers.include?(provider)
      require "fog/#{provider}/storage"
      begin
        Fog::Storage.const_get(Fog.providers[provider])
      rescue
        Fog.const_get(Fog.providers[provider])::Storage
      end.new(attributes)
    else
      raise ArgumentError, "#{provider} is not a recognized storage provider"
    end
  end
end

.parse_data(data) ⇒ Object 



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# File 'lib/fog/storage.rb', line 75

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

.providers ⇒ Object 



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# File 'lib/fog/storage.rb', line 86

def self.providers
  Fog.services[:storage]
end