Contents

require "pathname"
require "net/ftp"

module Paperclip
  module Storage
    module Ftp
      class Server

        @@connections = {}

        def self.clear_connections
          @@connections.clear
        end

        attr_accessor :host, :user, :password
        attr_writer   :port

        def initialize(options = {})
          options.each do |k,v|
            send("#{k}=", v)
          end
        end

        def file_exists?(path)
          pathname = Pathname.new(path)
          connection.nlst(pathname.dirname.to_s).map { |f| File.basename f }.include?(pathname.basename.to_s)
        end

        def get_file(remote_file_path, local_file_path)
          connection.getbinaryfile(remote_file_path, local_file_path)
        end

        def put_file(local_file_path, remote_file_path)
          pathname = Pathname.new(remote_file_path)
          mkdir_p(pathname.dirname.to_s)
          connection.putbinaryfile(local_file_path, remote_file_path)
        end

        def delete_file(remote_file_path)
          connection.delete(remote_file_path)
        end

        def connection
          connection = @@connections["#{host}:#{port}"] ||= build_connection
          connection.close
          connection.connect(host, port)
          connection.login(user, password)
          connection
        end

        def build_connection
          connection = Net::FTP.new
          connection.connect(host, port)
          connection
        end

        def port
          @port || Net::FTP::FTP_PORT
        end

        def mkdir_p(dirname)
          pathname = Pathname.new(dirname)
          pathname.descend do |p|
            begin
              connection.mkdir(p.to_s)
            rescue Net::FTPPermError
              # This error can be caused by an existing directory.
              # Ignore, and keep on trying to create child directories.
            end
          end
        end
      end
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
paperclip-storage-ftp-1.0.2	lib/paperclip/storage/ftp/server.rb
paperclip-storage-ftp-1.0.1	lib/paperclip/storage/ftp/server.rb