Class: URI::FTP
Instance Method Summary collapse
Methods included from OpenURI::OpenRead
Instance Method Details
#buffer_open(buf, proxy, options) ⇒ Object
:nodoc:
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# File 'lib/open-uri.rb', line 782 def buffer_open(buf, proxy, ) # :nodoc: if proxy OpenURI.open_http(buf, self, proxy, ) return end require 'net/ftp' path = self.path path = path.sub(%r{\A/}, '%2F') # re-encode the beginning slash because uri library decodes it. directories = path.split(%r{/}, -1) directories.each {|d| d.gsub!(/%([0-9A-Fa-f][0-9A-Fa-f])/) { [$1].pack("H2") } } unless filename = directories.pop raise ArgumentError, "no filename: #{self.inspect}" end directories.each {|d| if /[\r\n]/ =~ d raise ArgumentError, "invalid directory: #{d.inspect}" end } if /[\r\n]/ =~ filename raise ArgumentError, "invalid filename: #{filename.inspect}" end typecode = self.typecode if typecode && /\A[aid]\z/ !~ typecode raise ArgumentError, "invalid typecode: #{typecode.inspect}" end # The access sequence is defined by RFC 1738 ftp = Net::FTP.new ftp.connect(self.hostname, self.port) ftp.passive = true if ![:ftp_active_mode] # todo: extract user/passwd from .netrc. user = 'anonymous' passwd = nil user, passwd = self.userinfo.split(/:/) if self.userinfo ftp.login(user, passwd) directories.each {|cwd| ftp.voidcmd("CWD #{cwd}") } if typecode # xxx: typecode D is not handled. ftp.voidcmd("TYPE #{typecode.upcase}") end if [:content_length_proc] [:content_length_proc].call(ftp.size(filename)) end ftp.retrbinary("RETR #{filename}", 4096) { |str| buf << str [:progress_proc].call(buf.size) if [:progress_proc] } ftp.close buf.io.rewind end |