779 lines
24 KiB
Python
779 lines
24 KiB
Python
"""Test script for ftplib module."""
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# Modified by Giampaolo Rodola' to test FTP class, IPv6 and TLS
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# environment
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import ftplib
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import asyncore
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import asynchat
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import socket
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import StringIO
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import errno
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import os
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try:
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import ssl
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except ImportError:
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ssl = None
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from unittest import TestCase
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from test import test_support
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from test.test_support import HOST
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threading = test_support.import_module('threading')
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# the dummy data returned by server over the data channel when
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# RETR, LIST and NLST commands are issued
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RETR_DATA = 'abcde12345\r\n' * 1000
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LIST_DATA = 'foo\r\nbar\r\n'
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NLST_DATA = 'foo\r\nbar\r\n'
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class DummyDTPHandler(asynchat.async_chat):
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dtp_conn_closed = False
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def __init__(self, conn, baseclass):
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asynchat.async_chat.__init__(self, conn)
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self.baseclass = baseclass
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self.baseclass.last_received_data = ''
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def handle_read(self):
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self.baseclass.last_received_data += self.recv(1024)
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def handle_close(self):
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# XXX: this method can be called many times in a row for a single
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# connection, including in clear-text (non-TLS) mode.
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# (behaviour witnessed with test_data_connection)
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if not self.dtp_conn_closed:
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self.baseclass.push('226 transfer complete')
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self.close()
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self.dtp_conn_closed = True
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def handle_error(self):
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raise
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class DummyFTPHandler(asynchat.async_chat):
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dtp_handler = DummyDTPHandler
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def __init__(self, conn):
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asynchat.async_chat.__init__(self, conn)
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self.set_terminator("\r\n")
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self.in_buffer = []
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self.dtp = None
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self.last_received_cmd = None
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self.last_received_data = ''
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self.next_response = ''
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self.rest = None
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self.push('220 welcome')
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def collect_incoming_data(self, data):
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self.in_buffer.append(data)
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def found_terminator(self):
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line = ''.join(self.in_buffer)
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self.in_buffer = []
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if self.next_response:
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self.push(self.next_response)
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self.next_response = ''
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cmd = line.split(' ')[0].lower()
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self.last_received_cmd = cmd
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space = line.find(' ')
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if space != -1:
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arg = line[space + 1:]
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else:
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arg = ""
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if hasattr(self, 'cmd_' + cmd):
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method = getattr(self, 'cmd_' + cmd)
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method(arg)
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else:
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self.push('550 command "%s" not understood.' %cmd)
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def handle_error(self):
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raise
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def push(self, data):
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asynchat.async_chat.push(self, data + '\r\n')
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def cmd_port(self, arg):
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addr = map(int, arg.split(','))
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ip = '%d.%d.%d.%d' %tuple(addr[:4])
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port = (addr[4] * 256) + addr[5]
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s = socket.create_connection((ip, port), timeout=2)
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self.dtp = self.dtp_handler(s, baseclass=self)
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self.push('200 active data connection established')
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def cmd_pasv(self, arg):
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sock = socket.socket()
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sock.bind((self.socket.getsockname()[0], 0))
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sock.listen(5)
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sock.settimeout(2)
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ip, port = sock.getsockname()[:2]
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ip = ip.replace('.', ',')
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p1, p2 = divmod(port, 256)
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self.push('227 entering passive mode (%s,%d,%d)' %(ip, p1, p2))
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conn, addr = sock.accept()
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self.dtp = self.dtp_handler(conn, baseclass=self)
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def cmd_eprt(self, arg):
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af, ip, port = arg.split(arg[0])[1:-1]
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port = int(port)
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s = socket.create_connection((ip, port), timeout=2)
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self.dtp = self.dtp_handler(s, baseclass=self)
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self.push('200 active data connection established')
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def cmd_epsv(self, arg):
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sock = socket.socket(socket.AF_INET6)
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sock.bind((self.socket.getsockname()[0], 0))
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sock.listen(5)
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sock.settimeout(2)
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port = sock.getsockname()[1]
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self.push('229 entering extended passive mode (|||%d|)' %port)
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conn, addr = sock.accept()
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self.dtp = self.dtp_handler(conn, baseclass=self)
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def cmd_echo(self, arg):
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# sends back the received string (used by the test suite)
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self.push(arg)
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def cmd_user(self, arg):
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self.push('331 username ok')
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def cmd_pass(self, arg):
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self.push('230 password ok')
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def cmd_acct(self, arg):
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self.push('230 acct ok')
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def cmd_rnfr(self, arg):
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self.push('350 rnfr ok')
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def cmd_rnto(self, arg):
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self.push('250 rnto ok')
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def cmd_dele(self, arg):
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self.push('250 dele ok')
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def cmd_cwd(self, arg):
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self.push('250 cwd ok')
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def cmd_size(self, arg):
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self.push('250 1000')
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def cmd_mkd(self, arg):
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self.push('257 "%s"' %arg)
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def cmd_rmd(self, arg):
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self.push('250 rmd ok')
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def cmd_pwd(self, arg):
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self.push('257 "pwd ok"')
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def cmd_type(self, arg):
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self.push('200 type ok')
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def cmd_quit(self, arg):
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self.push('221 quit ok')
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self.close()
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def cmd_stor(self, arg):
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self.push('125 stor ok')
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def cmd_rest(self, arg):
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self.rest = arg
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self.push('350 rest ok')
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def cmd_retr(self, arg):
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self.push('125 retr ok')
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if self.rest is not None:
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offset = int(self.rest)
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else:
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offset = 0
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self.dtp.push(RETR_DATA[offset:])
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self.dtp.close_when_done()
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self.rest = None
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def cmd_list(self, arg):
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self.push('125 list ok')
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self.dtp.push(LIST_DATA)
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self.dtp.close_when_done()
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def cmd_nlst(self, arg):
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self.push('125 nlst ok')
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self.dtp.push(NLST_DATA)
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self.dtp.close_when_done()
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class DummyFTPServer(asyncore.dispatcher, threading.Thread):
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handler = DummyFTPHandler
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def __init__(self, address, af=socket.AF_INET):
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threading.Thread.__init__(self)
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asyncore.dispatcher.__init__(self)
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self.create_socket(af, socket.SOCK_STREAM)
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self.bind(address)
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self.listen(5)
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self.active = False
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self.active_lock = threading.Lock()
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self.host, self.port = self.socket.getsockname()[:2]
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def start(self):
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assert not self.active
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self.__flag = threading.Event()
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threading.Thread.start(self)
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self.__flag.wait()
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def run(self):
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self.active = True
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self.__flag.set()
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while self.active and asyncore.socket_map:
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self.active_lock.acquire()
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asyncore.loop(timeout=0.1, count=1)
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self.active_lock.release()
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asyncore.close_all(ignore_all=True)
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def stop(self):
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assert self.active
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self.active = False
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self.join()
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def handle_accept(self):
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conn, addr = self.accept()
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self.handler = self.handler(conn)
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self.close()
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def handle_connect(self):
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self.close()
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handle_read = handle_connect
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def writable(self):
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return 0
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def handle_error(self):
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raise
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if ssl is not None:
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CERTFILE = os.path.join(os.path.dirname(__file__), "keycert.pem")
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class SSLConnection(object, asyncore.dispatcher):
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"""An asyncore.dispatcher subclass supporting TLS/SSL."""
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_ssl_accepting = False
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_ssl_closing = False
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def secure_connection(self):
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self.socket = ssl.wrap_socket(self.socket, suppress_ragged_eofs=False,
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certfile=CERTFILE, server_side=True,
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do_handshake_on_connect=False,
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ssl_version=ssl.PROTOCOL_SSLv23)
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self._ssl_accepting = True
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def _do_ssl_handshake(self):
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try:
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self.socket.do_handshake()
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except ssl.SSLError, err:
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if err.args[0] in (ssl.SSL_ERROR_WANT_READ,
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ssl.SSL_ERROR_WANT_WRITE):
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return
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elif err.args[0] == ssl.SSL_ERROR_EOF:
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return self.handle_close()
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raise
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except socket.error, err:
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if err.args[0] == errno.ECONNABORTED:
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return self.handle_close()
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else:
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self._ssl_accepting = False
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def _do_ssl_shutdown(self):
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self._ssl_closing = True
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try:
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self.socket = self.socket.unwrap()
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except ssl.SSLError, err:
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if err.args[0] in (ssl.SSL_ERROR_WANT_READ,
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ssl.SSL_ERROR_WANT_WRITE):
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return
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except socket.error, err:
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# Any "socket error" corresponds to a SSL_ERROR_SYSCALL return
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# from OpenSSL's SSL_shutdown(), corresponding to a
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# closed socket condition. See also:
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# http://www.mail-archive.com/openssl-users@openssl.org/msg60710.html
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pass
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self._ssl_closing = False
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super(SSLConnection, self).close()
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def handle_read_event(self):
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if self._ssl_accepting:
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self._do_ssl_handshake()
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elif self._ssl_closing:
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self._do_ssl_shutdown()
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else:
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super(SSLConnection, self).handle_read_event()
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def handle_write_event(self):
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if self._ssl_accepting:
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self._do_ssl_handshake()
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elif self._ssl_closing:
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self._do_ssl_shutdown()
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else:
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super(SSLConnection, self).handle_write_event()
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def send(self, data):
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try:
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return super(SSLConnection, self).send(data)
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except ssl.SSLError, err:
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if err.args[0] in (ssl.SSL_ERROR_EOF, ssl.SSL_ERROR_ZERO_RETURN,
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ssl.SSL_ERROR_WANT_READ,
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ssl.SSL_ERROR_WANT_WRITE):
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return 0
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raise
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def recv(self, buffer_size):
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try:
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return super(SSLConnection, self).recv(buffer_size)
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except ssl.SSLError, err:
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if err.args[0] in (ssl.SSL_ERROR_WANT_READ,
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ssl.SSL_ERROR_WANT_WRITE):
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return ''
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if err.args[0] in (ssl.SSL_ERROR_EOF, ssl.SSL_ERROR_ZERO_RETURN):
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self.handle_close()
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return ''
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raise
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def handle_error(self):
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raise
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def close(self):
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if (isinstance(self.socket, ssl.SSLSocket) and
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self.socket._sslobj is not None):
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self._do_ssl_shutdown()
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class DummyTLS_DTPHandler(SSLConnection, DummyDTPHandler):
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"""A DummyDTPHandler subclass supporting TLS/SSL."""
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def __init__(self, conn, baseclass):
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DummyDTPHandler.__init__(self, conn, baseclass)
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if self.baseclass.secure_data_channel:
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self.secure_connection()
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class DummyTLS_FTPHandler(SSLConnection, DummyFTPHandler):
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"""A DummyFTPHandler subclass supporting TLS/SSL."""
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dtp_handler = DummyTLS_DTPHandler
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def __init__(self, conn):
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DummyFTPHandler.__init__(self, conn)
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self.secure_data_channel = False
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def cmd_auth(self, line):
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"""Set up secure control channel."""
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self.push('234 AUTH TLS successful')
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self.secure_connection()
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def cmd_pbsz(self, line):
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"""Negotiate size of buffer for secure data transfer.
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For TLS/SSL the only valid value for the parameter is '0'.
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Any other value is accepted but ignored.
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"""
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self.push('200 PBSZ=0 successful.')
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def cmd_prot(self, line):
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"""Setup un/secure data channel."""
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arg = line.upper()
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if arg == 'C':
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self.push('200 Protection set to Clear')
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self.secure_data_channel = False
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elif arg == 'P':
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self.push('200 Protection set to Private')
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self.secure_data_channel = True
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else:
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self.push("502 Unrecognized PROT type (use C or P).")
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class DummyTLS_FTPServer(DummyFTPServer):
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handler = DummyTLS_FTPHandler
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class TestFTPClass(TestCase):
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def setUp(self):
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self.server = DummyFTPServer((HOST, 0))
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self.server.start()
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self.client = ftplib.FTP(timeout=2)
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self.client.connect(self.server.host, self.server.port)
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def tearDown(self):
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self.client.close()
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self.server.stop()
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def test_getwelcome(self):
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self.assertEqual(self.client.getwelcome(), '220 welcome')
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def test_sanitize(self):
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self.assertEqual(self.client.sanitize('foo'), repr('foo'))
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self.assertEqual(self.client.sanitize('pass 12345'), repr('pass *****'))
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self.assertEqual(self.client.sanitize('PASS 12345'), repr('PASS *****'))
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def test_exceptions(self):
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self.assertRaises(ftplib.error_temp, self.client.sendcmd, 'echo 400')
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self.assertRaises(ftplib.error_temp, self.client.sendcmd, 'echo 499')
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self.assertRaises(ftplib.error_perm, self.client.sendcmd, 'echo 500')
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self.assertRaises(ftplib.error_perm, self.client.sendcmd, 'echo 599')
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self.assertRaises(ftplib.error_proto, self.client.sendcmd, 'echo 999')
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def test_all_errors(self):
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exceptions = (ftplib.error_reply, ftplib.error_temp, ftplib.error_perm,
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ftplib.error_proto, ftplib.Error, IOError, EOFError)
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for x in exceptions:
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try:
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raise x('exception not included in all_errors set')
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except ftplib.all_errors:
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pass
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def test_set_pasv(self):
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# passive mode is supposed to be enabled by default
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self.assertTrue(self.client.passiveserver)
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self.client.set_pasv(True)
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self.assertTrue(self.client.passiveserver)
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self.client.set_pasv(False)
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self.assertFalse(self.client.passiveserver)
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def test_voidcmd(self):
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self.client.voidcmd('echo 200')
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self.client.voidcmd('echo 299')
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self.assertRaises(ftplib.error_reply, self.client.voidcmd, 'echo 199')
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self.assertRaises(ftplib.error_reply, self.client.voidcmd, 'echo 300')
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def test_login(self):
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self.client.login()
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def test_acct(self):
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self.client.acct('passwd')
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def test_rename(self):
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self.client.rename('a', 'b')
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self.server.handler.next_response = '200'
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self.assertRaises(ftplib.error_reply, self.client.rename, 'a', 'b')
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def test_delete(self):
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self.client.delete('foo')
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self.server.handler.next_response = '199'
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self.assertRaises(ftplib.error_reply, self.client.delete, 'foo')
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def test_size(self):
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self.client.size('foo')
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def test_mkd(self):
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dir = self.client.mkd('/foo')
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self.assertEqual(dir, '/foo')
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def test_rmd(self):
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self.client.rmd('foo')
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def test_pwd(self):
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dir = self.client.pwd()
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self.assertEqual(dir, 'pwd ok')
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def test_quit(self):
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self.assertEqual(self.client.quit(), '221 quit ok')
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# Ensure the connection gets closed; sock attribute should be None
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self.assertEqual(self.client.sock, None)
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def test_retrbinary(self):
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received = []
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self.client.retrbinary('retr', received.append)
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self.assertEqual(''.join(received), RETR_DATA)
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def test_retrbinary_rest(self):
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for rest in (0, 10, 20):
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received = []
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self.client.retrbinary('retr', received.append, rest=rest)
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self.assertEqual(''.join(received), RETR_DATA[rest:],
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msg='rest test case %d %d %d' % (rest,
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len(''.join(received)),
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len(RETR_DATA[rest:])))
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def test_retrlines(self):
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received = []
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self.client.retrlines('retr', received.append)
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self.assertEqual(''.join(received), RETR_DATA.replace('\r\n', ''))
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def test_storbinary(self):
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f = StringIO.StringIO(RETR_DATA)
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self.client.storbinary('stor', f)
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self.assertEqual(self.server.handler.last_received_data, RETR_DATA)
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# test new callback arg
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flag = []
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f.seek(0)
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self.client.storbinary('stor', f, callback=lambda x: flag.append(None))
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self.assertTrue(flag)
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def test_storbinary_rest(self):
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f = StringIO.StringIO(RETR_DATA)
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for r in (30, '30'):
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f.seek(0)
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self.client.storbinary('stor', f, rest=r)
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self.assertEqual(self.server.handler.rest, str(r))
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|
def test_storlines(self):
|
|
f = StringIO.StringIO(RETR_DATA.replace('\r\n', '\n'))
|
|
self.client.storlines('stor', f)
|
|
self.assertEqual(self.server.handler.last_received_data, RETR_DATA)
|
|
# test new callback arg
|
|
flag = []
|
|
f.seek(0)
|
|
self.client.storlines('stor foo', f, callback=lambda x: flag.append(None))
|
|
self.assertTrue(flag)
|
|
|
|
def test_nlst(self):
|
|
self.client.nlst()
|
|
self.assertEqual(self.client.nlst(), NLST_DATA.split('\r\n')[:-1])
|
|
|
|
def test_dir(self):
|
|
l = []
|
|
self.client.dir(lambda x: l.append(x))
|
|
self.assertEqual(''.join(l), LIST_DATA.replace('\r\n', ''))
|
|
|
|
def test_makeport(self):
|
|
self.client.makeport()
|
|
# IPv4 is in use, just make sure send_eprt has not been used
|
|
self.assertEqual(self.server.handler.last_received_cmd, 'port')
|
|
|
|
def test_makepasv(self):
|
|
host, port = self.client.makepasv()
|
|
conn = socket.create_connection((host, port), 2)
|
|
conn.close()
|
|
# IPv4 is in use, just make sure send_epsv has not been used
|
|
self.assertEqual(self.server.handler.last_received_cmd, 'pasv')
|
|
|
|
|
|
class TestIPv6Environment(TestCase):
|
|
|
|
def setUp(self):
|
|
self.server = DummyFTPServer((HOST, 0), af=socket.AF_INET6)
|
|
self.server.start()
|
|
self.client = ftplib.FTP()
|
|
self.client.connect(self.server.host, self.server.port)
|
|
|
|
def tearDown(self):
|
|
self.client.close()
|
|
self.server.stop()
|
|
|
|
def test_af(self):
|
|
self.assertEqual(self.client.af, socket.AF_INET6)
|
|
|
|
def test_makeport(self):
|
|
self.client.makeport()
|
|
self.assertEqual(self.server.handler.last_received_cmd, 'eprt')
|
|
|
|
def test_makepasv(self):
|
|
host, port = self.client.makepasv()
|
|
conn = socket.create_connection((host, port), 2)
|
|
conn.close()
|
|
self.assertEqual(self.server.handler.last_received_cmd, 'epsv')
|
|
|
|
def test_transfer(self):
|
|
def retr():
|
|
received = []
|
|
self.client.retrbinary('retr', received.append)
|
|
self.assertEqual(''.join(received), RETR_DATA)
|
|
self.client.set_pasv(True)
|
|
retr()
|
|
self.client.set_pasv(False)
|
|
retr()
|
|
|
|
|
|
class TestTLS_FTPClassMixin(TestFTPClass):
|
|
"""Repeat TestFTPClass tests starting the TLS layer for both control
|
|
and data connections first.
|
|
"""
|
|
|
|
def setUp(self):
|
|
self.server = DummyTLS_FTPServer((HOST, 0))
|
|
self.server.start()
|
|
self.client = ftplib.FTP_TLS(timeout=2)
|
|
self.client.connect(self.server.host, self.server.port)
|
|
# enable TLS
|
|
self.client.auth()
|
|
self.client.prot_p()
|
|
|
|
|
|
class TestTLS_FTPClass(TestCase):
|
|
"""Specific TLS_FTP class tests."""
|
|
|
|
def setUp(self):
|
|
self.server = DummyTLS_FTPServer((HOST, 0))
|
|
self.server.start()
|
|
self.client = ftplib.FTP_TLS(timeout=2)
|
|
self.client.connect(self.server.host, self.server.port)
|
|
|
|
def tearDown(self):
|
|
self.client.close()
|
|
self.server.stop()
|
|
|
|
def test_control_connection(self):
|
|
self.assertNotIsInstance(self.client.sock, ssl.SSLSocket)
|
|
self.client.auth()
|
|
self.assertIsInstance(self.client.sock, ssl.SSLSocket)
|
|
|
|
def test_data_connection(self):
|
|
# clear text
|
|
sock = self.client.transfercmd('list')
|
|
self.assertNotIsInstance(sock, ssl.SSLSocket)
|
|
sock.close()
|
|
self.assertEqual(self.client.voidresp(), "226 transfer complete")
|
|
|
|
# secured, after PROT P
|
|
self.client.prot_p()
|
|
sock = self.client.transfercmd('list')
|
|
self.assertIsInstance(sock, ssl.SSLSocket)
|
|
sock.close()
|
|
self.assertEqual(self.client.voidresp(), "226 transfer complete")
|
|
|
|
# PROT C is issued, the connection must be in cleartext again
|
|
self.client.prot_c()
|
|
sock = self.client.transfercmd('list')
|
|
self.assertNotIsInstance(sock, ssl.SSLSocket)
|
|
sock.close()
|
|
self.assertEqual(self.client.voidresp(), "226 transfer complete")
|
|
|
|
def test_login(self):
|
|
# login() is supposed to implicitly secure the control connection
|
|
self.assertNotIsInstance(self.client.sock, ssl.SSLSocket)
|
|
self.client.login()
|
|
self.assertIsInstance(self.client.sock, ssl.SSLSocket)
|
|
# make sure that AUTH TLS doesn't get issued again
|
|
self.client.login()
|
|
|
|
def test_auth_issued_twice(self):
|
|
self.client.auth()
|
|
self.assertRaises(ValueError, self.client.auth)
|
|
|
|
def test_auth_ssl(self):
|
|
try:
|
|
self.client.ssl_version = ssl.PROTOCOL_SSLv3
|
|
self.client.auth()
|
|
self.assertRaises(ValueError, self.client.auth)
|
|
finally:
|
|
self.client.ssl_version = ssl.PROTOCOL_TLSv1
|
|
|
|
|
|
class TestTimeouts(TestCase):
|
|
|
|
def setUp(self):
|
|
self.evt = threading.Event()
|
|
self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
|
|
self.sock.settimeout(3)
|
|
self.port = test_support.bind_port(self.sock)
|
|
threading.Thread(target=self.server, args=(self.evt,self.sock)).start()
|
|
# Wait for the server to be ready.
|
|
self.evt.wait()
|
|
self.evt.clear()
|
|
ftplib.FTP.port = self.port
|
|
|
|
def tearDown(self):
|
|
self.evt.wait()
|
|
|
|
def server(self, evt, serv):
|
|
# This method sets the evt 3 times:
|
|
# 1) when the connection is ready to be accepted.
|
|
# 2) when it is safe for the caller to close the connection
|
|
# 3) when we have closed the socket
|
|
serv.listen(5)
|
|
# (1) Signal the caller that we are ready to accept the connection.
|
|
evt.set()
|
|
try:
|
|
conn, addr = serv.accept()
|
|
except socket.timeout:
|
|
pass
|
|
else:
|
|
conn.send("1 Hola mundo\n")
|
|
# (2) Signal the caller that it is safe to close the socket.
|
|
evt.set()
|
|
conn.close()
|
|
finally:
|
|
serv.close()
|
|
# (3) Signal the caller that we are done.
|
|
evt.set()
|
|
|
|
def testTimeoutDefault(self):
|
|
# default -- use global socket timeout
|
|
self.assertTrue(socket.getdefaulttimeout() is None)
|
|
socket.setdefaulttimeout(30)
|
|
try:
|
|
ftp = ftplib.FTP("localhost")
|
|
finally:
|
|
socket.setdefaulttimeout(None)
|
|
self.assertEqual(ftp.sock.gettimeout(), 30)
|
|
self.evt.wait()
|
|
ftp.close()
|
|
|
|
def testTimeoutNone(self):
|
|
# no timeout -- do not use global socket timeout
|
|
self.assertTrue(socket.getdefaulttimeout() is None)
|
|
socket.setdefaulttimeout(30)
|
|
try:
|
|
ftp = ftplib.FTP("localhost", timeout=None)
|
|
finally:
|
|
socket.setdefaulttimeout(None)
|
|
self.assertTrue(ftp.sock.gettimeout() is None)
|
|
self.evt.wait()
|
|
ftp.close()
|
|
|
|
def testTimeoutValue(self):
|
|
# a value
|
|
ftp = ftplib.FTP(HOST, timeout=30)
|
|
self.assertEqual(ftp.sock.gettimeout(), 30)
|
|
self.evt.wait()
|
|
ftp.close()
|
|
|
|
def testTimeoutConnect(self):
|
|
ftp = ftplib.FTP()
|
|
ftp.connect(HOST, timeout=30)
|
|
self.assertEqual(ftp.sock.gettimeout(), 30)
|
|
self.evt.wait()
|
|
ftp.close()
|
|
|
|
def testTimeoutDifferentOrder(self):
|
|
ftp = ftplib.FTP(timeout=30)
|
|
ftp.connect(HOST)
|
|
self.assertEqual(ftp.sock.gettimeout(), 30)
|
|
self.evt.wait()
|
|
ftp.close()
|
|
|
|
def testTimeoutDirectAccess(self):
|
|
ftp = ftplib.FTP()
|
|
ftp.timeout = 30
|
|
ftp.connect(HOST)
|
|
self.assertEqual(ftp.sock.gettimeout(), 30)
|
|
self.evt.wait()
|
|
ftp.close()
|
|
|
|
|
|
def test_main():
|
|
tests = [TestFTPClass, TestTimeouts]
|
|
if socket.has_ipv6:
|
|
try:
|
|
DummyFTPServer((HOST, 0), af=socket.AF_INET6)
|
|
except socket.error:
|
|
pass
|
|
else:
|
|
tests.append(TestIPv6Environment)
|
|
|
|
if ssl is not None:
|
|
tests.extend([TestTLS_FTPClassMixin, TestTLS_FTPClass])
|
|
|
|
thread_info = test_support.threading_setup()
|
|
try:
|
|
test_support.run_unittest(*tests)
|
|
finally:
|
|
test_support.threading_cleanup(*thread_info)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
test_main()
|