Module: PorkyLib::FileServiceHelper

Extended by:
Gem::Deprecate
Included in:
FileService, Unencrypted::FileService
Defined in:
lib/porky_lib/file_service_helper.rb

Defined Under Namespace

Classes: FileServiceError

Instance Method Summary collapse

Instance Method Details

#data_size_invalid?(data) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/porky_lib/file_service_helper.rb', line 10

def data_size_invalid?(data)
  data.bytesize > max_size
end

#file?(file_or_content) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/porky_lib/file_service_helper.rb', line 14

def file?(file_or_content)
  a_file?(file_or_content) || a_path?(file_or_content)
end

#generate_file_key(options) ⇒ Object 



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# File 'lib/porky_lib/file_service_helper.rb', line 65

def generate_file_key(options)
  options.key?(:directory) ? "#{options[:directory]}/#{SecureRandom.uuid}" : SecureRandom.uuid
end

#max_file_size ⇒ Object 



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# File 'lib/porky_lib/file_service_helper.rb', line 56

def max_file_size
  {
    B: 1024,
    KB: 1024 * 1024,
    MB: 1024 * 1024 * 1024,
    GB: 1024 * 1024 * 1024 * 1024
  }.each_pair { |symbol, bytes| return "#{(max_size.to_f / (bytes / 1024)).round(2)}#{symbol}" if max_size < bytes }
end

#max_size ⇒ Object 



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# File 'lib/porky_lib/file_service_helper.rb', line 52

def max_size
  PorkyLib::Config.config[:max_file_size]
end

#perform_upload(bucket_name, file_key, tempfile, options) ⇒ Object 



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# File 'lib/porky_lib/file_service_helper.rb', line 37

def perform_upload(bucket_name, file_key, tempfile, options)
  obj = s3.bucket(bucket_name).object(file_key)

  upload_options = {
    metadata: (options[:metadata] if options.key?(:metadata)),
    storage_class: (options[:storage_class] if options.key?(:storage_class))
  }.compact

  obj.upload_file(tempfile.path, upload_options)
end

#read_file(file) ⇒ Object 



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# File 'lib/porky_lib/file_service_helper.rb', line 27

def read_file(file)
  raise FileServiceError, 'file cannot be nil' if file.nil?
  return file if !a_file?(file) && contain_null_byte?(file)
  raise FileServiceError, 'The specified file does not exist' unless File.file?(file)

  File.read(file)
rescue Errno::EACCES
  raise FileServiceError, 'The specified file cannot be read, no permissions'
end

#s3 ⇒ Object 



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# File 'lib/porky_lib/file_service_helper.rb', line 48

def s3
  @s3 ||= Aws::S3::Resource.new
end

#write_tempfile(file_contents, file_key) ⇒ Object 



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# File 'lib/porky_lib/file_service_helper.rb', line 19

def write_tempfile(file_contents, file_key)
  tempfile = Tempfile.new(file_key)
  tempfile << file_contents
  tempfile.close

  tempfile
end