diff options
Diffstat (limited to 'lib/net/ftp.rb')
| -rw-r--r-- | lib/net/ftp.rb | 671 |
1 files changed, 0 insertions, 671 deletions
diff --git a/lib/net/ftp.rb b/lib/net/ftp.rb deleted file mode 100644 index 88361b9ddb..0000000000 --- a/lib/net/ftp.rb +++ /dev/null @@ -1,671 +0,0 @@ -=begin - -= net/ftp.rb - -written by Shugo Maeda <shugo@ruby-lang.org> - -This library is distributed under the terms of the Ruby license. -You can freely distribute/modify this library. - -=end - -require "socket" -require "monitor" - -module Net - - class FTPError < StandardError; end - class FTPReplyError < FTPError; end - class FTPTempError < FTPError; end - class FTPPermError < FTPError; end - class FTPProtoError < FTPError; end - - class FTP - include MonitorMixin - - FTP_PORT = 21 - CRLF = "\r\n" - - DEFAULT_BLOCKSIZE = 4096 - - attr_accessor :passive, :return_code, :debug_mode, :resume - attr_reader :welcome, :lastresp - - def FTP.open(host, user = nil, passwd = nil, acct = nil) - new(host, user, passwd, acct) - end - - def initialize(host = nil, user = nil, passwd = nil, acct = nil) - super() - @passive = false - @return_code = "\n" - @debug_mode = false - @resume = false - if host - connect(host) - if user - login(user, passwd, acct) - end - end - end - - def open_socket(host, port) - if defined? SOCKSsocket and ENV["SOCKS_SERVER"] - @passive = true - return SOCKSsocket.open(host, port) - else - return TCPsocket.open(host, port) - end - end - private :open_socket - - def connect(host, port = FTP_PORT) - if @debug_mode - print "connect: ", host, ", ", port, "\n" - end - synchronize do - @sock = open_socket(host, port) - voidresp - end - end - - def sanitize(s) - if s =~ /^PASS /i - return s[0, 5] + "*" * (s.length - 5) - else - return s - end - end - private :sanitize - - def putline(line) - if @debug_mode - print "put: ", sanitize(line), "\n" - end - line = line + CRLF - @sock.write(line) - end - private :putline - - def getline - line = @sock.readline # if get EOF, raise EOFError - if line[-2, 2] == CRLF - line = line[0 .. -3] - elsif line[-1] == ?\r or - line[-1] == ?\n - line = line[0 .. -2] - end - if @debug_mode - print "get: ", sanitize(line), "\n" - end - return line - end - private :getline - - def getmultiline - line = getline - buff = line - if line[3] == ?- - code = line[0, 3] - begin - line = getline - buff << "\n" << line - end until line[0, 3] == code and line[3] != ?- - end - return buff << "\n" - end - private :getmultiline - - def getresp - resp = getmultiline - @lastresp = resp[0, 3] - c = resp[0] - case c - when ?1, ?2, ?3 - return resp - when ?4 - raise FTPTempError, resp - when ?5 - raise FTPPermError, resp - else - raise FTPProtoError, resp - end - end - private :getresp - - def voidresp - resp = getresp - if resp[0] != ?2 - raise FTPReplyError, resp - end - end - private :voidresp - - def sendcmd(cmd) - synchronize do - putline(cmd) - return getresp - end - end - - def voidcmd(cmd) - synchronize do - putline(cmd) - voidresp - end - end - - def sendport(host, port) - af = (@sock.peeraddr)[0] - if af == "AF_INET" - hbytes = host.split(".") - pbytes = [port / 256, port % 256] - bytes = hbytes + pbytes - cmd = "PORT " + bytes.join(",") - elsif af == "AF_INET6" - cmd = "EPRT |2|" + host + "|" + sprintf("%d", port) + "|" - else - raise FTPProtoError, host - end - voidcmd(cmd) - end - private :sendport - - def makeport - sock = TCPserver.open(@sock.addr[3], 0) - port = sock.addr[1] - host = sock.addr[3] - resp = sendport(host, port) - return sock - end - private :makeport - - def makepasv - if @sock.peeraddr[0] == "AF_INET" - host, port = parse227(sendcmd("PASV")) - else - host, port = parse229(sendcmd("EPSV")) - # host, port = parse228(sendcmd("LPSV")) - end - return host, port - end - private :makepasv - - def transfercmd(cmd, rest_offset = nil) - if @passive - host, port = makepasv - conn = open_socket(host, port) - if @resume and rest_offset - resp = sendcmd("REST " + rest_offset.to_s) - if resp[0] != ?3 - raise FTPReplyError, resp - end - end - resp = sendcmd(cmd) - if resp[0] != ?1 - raise FTPReplyError, resp - end - else - sock = makeport - if @resume and rest_offset - resp = sendcmd("REST " + rest_offset.to_s) - if resp[0] != ?3 - raise FTPReplyError, resp - end - end - resp = sendcmd(cmd) - if resp[0] != ?1 - raise FTPReplyError, resp - end - conn = sock.accept - sock.close - end - return conn - end - private :transfercmd - - def getaddress - thishost = Socket.gethostname - if not thishost.index(".") - thishost = Socket.gethostbyname(thishost)[0] - end - if ENV.has_key?("LOGNAME") - realuser = ENV["LOGNAME"] - elsif ENV.has_key?("USER") - realuser = ENV["USER"] - else - realuser = "anonymous" - end - return realuser + "@" + thishost - end - private :getaddress - - def login(user = "anonymous", passwd = nil, acct = nil) - if user == "anonymous" and passwd == nil - passwd = getaddress - end - - resp = "" - synchronize do - resp = sendcmd('USER ' + user) - if resp[0] == ?3 - resp = sendcmd('PASS ' + passwd) - end - if resp[0] == ?3 - resp = sendcmd('ACCT ' + acct) - end - end - if resp[0] != ?2 - raise FTPReplyError, resp - end - @welcome = resp - end - - def retrbinary(cmd, blocksize, rest_offset = nil, callback = Proc.new) - synchronize do - voidcmd("TYPE I") - conn = transfercmd(cmd, rest_offset) - loop do - data = conn.read(blocksize) - break if data == nil - callback.call(data) - end - conn.close - voidresp - end - end - - def retrlines(cmd, callback = nil) - if block_given? - callback = Proc.new - elsif not callback.is_a?(Proc) - callback = Proc.new {|line| print line, "\n"} - end - synchronize do - voidcmd("TYPE A") - conn = transfercmd(cmd) - loop do - line = conn.gets - break if line == nil - if line[-2, 2] == CRLF - line = line[0 .. -3] - elsif line[-1] == ?\n - line = line[0 .. -2] - end - callback.call(line) - end - conn.close - voidresp - end - end - - def storbinary(cmd, file, blocksize, rest_offset = nil, callback = nil) - if block_given? - callback = Proc.new - end - use_callback = callback.is_a?(Proc) - synchronize do - voidcmd("TYPE I") - conn = transfercmd(cmd, rest_offset) - loop do - buf = file.read(blocksize) - break if buf == nil - conn.write(buf) - callback.call(buf) if use_callback - end - conn.close - voidresp - end - end - - def storlines(cmd, file, callback = nil) - if block_given? - callback = Proc.new - end - use_callback = callback.is_a?(Proc) - synchronize do - voidcmd("TYPE A") - conn = transfercmd(cmd) - loop do - buf = file.gets - break if buf == nil - if buf[-2, 2] != CRLF - buf = buf.chomp + CRLF - end - conn.write(buf) - callback.call(buf) if use_callback - end - conn.close - voidresp - end - end - - def getbinaryfile(remotefile, localfile, - blocksize = DEFAULT_BLOCKSIZE, callback = nil) - if block_given? - callback = Proc.new - end - use_callback = callback.is_a?(Proc) - if @resume - rest_offset = File.size?(localfile) - f = open(localfile, "a") - else - rest_offset = nil - f = open(localfile, "w") - end - begin - f.binmode - retrbinary("RETR " + remotefile, blocksize, rest_offset) do |data| - f.write(data) - callback.call(data) if use_callback - end - ensure - f.close - end - end - - def gettextfile(remotefile, localfile, callback = nil) - if block_given? - callback = Proc.new - end - use_callback = callback.is_a?(Proc) - f = open(localfile, "w") - begin - retrlines("RETR " + remotefile) do |line| - line = line + @return_code - f.write(line) - callback.call(line) if use_callback - end - ensure - f.close - end - end - - def putbinaryfile(localfile, remotefile, - blocksize = DEFAULT_BLOCKSIZE, callback = nil) - if block_given? - callback = Proc.new - end - use_callback = callback.is_a?(Proc) - if @resume - rest_offset = size(remotefile) - else - rest_offset = nil - end - f = open(localfile) - begin - f.binmode - storbinary("STOR " + remotefile, f, blocksize, rest_offset) do |data| - callback.call(data) if use_callback - end - ensure - f.close - end - end - - def puttextfile(localfile, remotefile, callback = nil) - if block_given? - callback = Proc.new - end - use_callback = callback.is_a?(Proc) - f = open(localfile) - begin - storlines("STOR " + remotefile, f) do |line| - callback.call(line) if use_callback - end - ensure - f.close - end - end - - def acct(account) - cmd = "ACCT " + account - voidcmd(cmd) - end - - def nlst(dir = nil) - cmd = "NLST" - if dir - cmd = cmd + " " + dir - end - files = [] - retrlines(cmd) do |line| - files.push(line) - end - return files - end - - def list(*args, &block) - cmd = "LIST" - args.each do |arg| - cmd = cmd + " " + arg - end - if block - retrlines(cmd, &block) - else - lines = [] - retrlines(cmd) do |line| - lines << line - end - return lines - end - end - alias ls list - alias dir list - - def rename(fromname, toname) - resp = sendcmd("RNFR " + fromname) - if resp[0] != ?3 - raise FTPReplyError, resp - end - voidcmd("RNTO " + toname) - end - - def delete(filename) - resp = sendcmd("DELE " + filename) - if resp[0, 3] == "250" - return - elsif resp[0] == ?5 - raise FTPPermError, resp - else - raise FTPReplyError, resp - end - end - - def chdir(dirname) - if dirname == ".." - begin - voidcmd("CDUP") - return - rescue FTPPermError - if $![0, 3] != "500" - raise FTPPermError, $! - end - end - end - cmd = "CWD " + dirname - voidcmd(cmd) - end - - def size(filename) - voidcmd("TYPE I") - resp = sendcmd("SIZE " + filename) - if resp[0, 3] != "213" - raise FTPReplyError, resp - end - return resp[3..-1].strip.to_i - end - - MDTM_REGEXP = /^(\d\d\d\d)(\d\d)(\d\d)(\d\d)(\d\d)(\d\d)$/ - - def mtime(filename, local = false) - str = mdtm(filename) - ary = str.scan(MDTM_REGEXP)[0].collect {|i| i.to_i} - return local ? Time.local(*ary) : Time.gm(*ary) - end - - def mkdir(dirname) - resp = sendcmd("MKD " + dirname) - return parse257(resp) - end - - def rmdir(dirname) - voidcmd("RMD " + dirname) - end - - def pwd - resp = sendcmd("PWD") - return parse257(resp) - end - alias getdir pwd - - def system - resp = sendcmd("SYST") - if resp[0, 3] != "215" - raise FTPReplyError, resp - end - return resp[4 .. -1] - end - - def abort - line = "ABOR" + CRLF - print "put: ABOR\n" if @debug_mode - @sock.send(line, Socket::MSG_OOB) - resp = getmultiline - unless ["426", "226", "225"].include?(resp[0, 3]) - raise FTPProtoError, resp - end - return resp - end - - def status - line = "STAT" + CRLF - print "put: STAT\n" if @debug_mode - @sock.send(line, Socket::MSG_OOB) - return getresp - end - - def mdtm(filename) - resp = sendcmd("MDTM " + filename) - if resp[0, 3] == "213" - return resp[3 .. -1].strip - end - end - - def help(arg = nil) - cmd = "HELP" - if arg - cmd = cmd + " " + arg - end - sendcmd(cmd) - end - - def quit - voidcmd("QUIT") - end - - def close - @sock.close if @sock and not @sock.closed? - end - - def closed? - @sock == nil or @sock.closed? - end - - def parse227(resp) - if resp[0, 3] != "227" - raise FTPReplyError, resp - end - left = resp.index("(") - right = resp.index(")") - if left == nil or right == nil - raise FTPProtoError, resp - end - numbers = resp[left + 1 .. right - 1].split(",") - if numbers.length != 6 - raise FTPProtoError, resp - end - host = numbers[0, 4].join(".") - port = (numbers[4].to_i << 8) + numbers[5].to_i - return host, port - end - private :parse227 - - def parse228(resp) - if resp[0, 3] != "228" - raise FTPReplyError, resp - end - left = resp.index("(") - right = resp.index(")") - if left == nil or right == nil - raise FTPProtoError, resp - end - numbers = resp[left + 1 .. right - 1].split(",") - if numbers[0] == "4" - if numbers.length != 9 || numbers[1] != "4" || numbers[2 + 4] != "2" - raise FTPProtoError, resp - end - host = numbers[2, 4].join(".") - port = (numbers[7].to_i << 8) + numbers[8].to_i - elsif numbers[0] == "6" - if numbers.length != 21 || numbers[1] != "16" || numbers[2 + 16] != "2" - raise FTPProtoError, resp - end - v6 = ["", "", "", "", "", "", "", ""] - for i in 0 .. 7 - v6[i] = sprintf("%02x%02x", numbers[(i * 2) + 2].to_i, - numbers[(i * 2) + 3].to_i) - end - host = v6[0, 8].join(":") - port = (numbers[19].to_i << 8) + numbers[20].to_i - end - return host, port - end - private :parse228 - - def parse229(resp) - if resp[0, 3] != "229" - raise FTPReplyError, resp - end - left = resp.index("(") - right = resp.index(")") - if left == nil or right == nil - raise FTPProtoError, resp - end - numbers = resp[left + 1 .. right - 1].split(resp[left + 1, 1]) - if numbers.length != 4 - raise FTPProtoError, resp - end - port = numbers[3].to_i - host = (@sock.peeraddr())[3] - return host, port - end - private :parse229 - - def parse257(resp) - if resp[0, 3] != "257" - raise FTPReplyError, resp - end - if resp[3, 2] != ' "' - return "" - end - dirname = "" - i = 5 - n = resp.length - while i < n - c = resp[i, 1] - i = i + 1 - if c == '"' - if i > n or resp[i, 1] != '"' - break - end - i = i + 1 - end - dirname = dirname + c - end - return dirname - end - private :parse257 - end - -end |
