class ActiveStorage::Service::DiskService

Attributes

root[R]

Public Class Methods

new(root:) click to toggle source
# File lib/active_storage/service/disk_service.rb, line 8
def initialize(root:)
  @root = root
end

Public Instance Methods

delete(key) click to toggle source
# File lib/active_storage/service/disk_service.rb, line 34
def delete(key)
  File.delete path_for(key) rescue Errno::ENOENT # Ignore files already deleted
end
download(key) { |data| ... } click to toggle source
# File lib/active_storage/service/disk_service.rb, line 22
def download(key)
  if block_given?
    File.open(path_for(key)) do |file|
      while data = file.read(64.kilobytes)
        yield data
      end
    end
  else
    File.open path_for(key), &:read
  end
end
exist?(key) click to toggle source
# File lib/active_storage/service/disk_service.rb, line 38
def exist?(key)
  File.exist? path_for(key)
end
upload(key, io, checksum: nil) click to toggle source
# File lib/active_storage/service/disk_service.rb, line 12
def upload(key, io, checksum: nil)
  File.open(make_path_for(key), "wb") do |file|
    while chunk = io.read(64.kilobytes)
      file.write(chunk)
    end
  end

  ensure_integrity_of(key, checksum) if checksum
end
url(key, expires_in:, disposition:, filename:) click to toggle source
# File lib/active_storage/service/disk_service.rb, line 42
def url(key, expires_in:, disposition:, filename:)
  verified_key_with_expiration = ActiveStorage::VerifiedKeyWithExpiration.encode(key, expires_in: expires_in)

  if defined?(Rails) && defined?(Rails.application)
    Rails.application.routes.url_helpers.rails_disk_blob_path(verified_key_with_expiration, disposition: disposition)
  else
    "/rails/blobs/#{verified_key_with_expiration}?disposition=#{disposition}"
  end
end

Private Instance Methods

ensure_integrity_of(key, checksum) click to toggle source
# File lib/active_storage/service/disk_service.rb, line 65
def ensure_integrity_of(key, checksum)
  unless Digest::MD5.file(path_for(key)).base64digest == checksum
    raise ActiveStorage::IntegrityError
  end
end
folder_for(key) click to toggle source
# File lib/active_storage/service/disk_service.rb, line 57
def folder_for(key)
  [ key[0..1], key[2..3] ].join("/")
end
make_path_for(key) click to toggle source
# File lib/active_storage/service/disk_service.rb, line 61
def make_path_for(key)
  path_for(key).tap { |path| FileUtils.mkdir_p File.dirname(path) }
end
path_for(key) click to toggle source
# File lib/active_storage/service/disk_service.rb, line 53
def path_for(key)
  File.join root, folder_for(key), key
end