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Start of work pulling code out of imaplib.py

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This commit is contained in:
John Goerzen
2007-07-04 18:36:33 +01:00
parent 1e90e0fd78
commit 96fd233355
1 changed files with 198 additions and 0 deletions
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offlineimap/imaplibutil.py Normal file
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# imaplib
# Copyright (C) 2002-2007 John Goerzen
# <jgoerzen@complete.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import re, string, types, binascii, socket, time, random, subprocess, sys, os
from offlineimap.ui import UIBase
class IMAP4_Tunnel(imaplib.IMAP4):
"""IMAP4 client class over a tunnel
Instantiate with: IMAP4_Tunnel(tunnelcmd)
tunnelcmd -- shell command to generate the tunnel.
The result will be in PREAUTH stage."""
def __init__(self, tunnelcmd):
imaplib.IMAP4.__init__(self, tunnelcmd)
def open(self, host, port):
"""The tunnelcmd comes in on host!"""
self.process = subprocess.Popen(host, shell=True, close_fds=True,
stdin=subprocess.PIPE, stdout=subprocess.PIPE)
(self.outfd, self.infd) = (self.process.stdin, self.process.stdout)
def read(self, size):
retval = ''
while len(retval) < size:
retval += self.infd.read(size - len(retval))
return retval
def readline(self):
return self.infd.readline()
def send(self, data):
self.outfd.write(data)
def shutdown(self):
self.infd.close()
self.outfd.close()
self.process.wait()
# FIXME: need to use this in SSL instances
class sslwrapper:
def __init__(self, sslsock):
self.sslsock = sslsock
self.readbuf = ''
def write(self, s):
return self.sslsock.write(s)
def _read(self, n):
return self.sslsock.read(n)
def read(self, n):
if len(self.readbuf):
# Return the stuff in readbuf, even if less than n.
# It might contain the rest of the line, and if we try to
# read more, might block waiting for data that is not
# coming to arrive.
bytesfrombuf = min(n, len(self.readbuf))
retval = self.readbuf[:bytesfrombuf]
self.readbuf = self.readbuf[bytesfrombuf:]
return retval
retval = self._read(n)
if len(retval) > n:
self.readbuf = retval[n:]
return retval[:n]
return retval
def readline(self):
retval = ''
while 1:
linebuf = self.read(1024)
nlindex = linebuf.find("\n")
if nlindex != -1:
retval += linebuf[:nlindex + 1]
self.readbuf = linebuf[nlindex + 1:] + self.readbuf
return retval
else:
retval += linebuf
# FIXME: need to override this in IMAP instances
def new_mesg(self, s, secs=None):
if secs is None:
secs = time.time()
tm = time.strftime('%M:%S', time.localtime(secs))
UIBase.getglobalui().debug('imap', ' %s.%02d %s' % (tm, (secs*100)%100, s))
# FIXME: use this
def new_open(self, host = '', port = imaplib.IMAP4_PORT):
"""Setup connection to remote server on "host:port"
(default: localhost:standard IMAP4 port).
This connection will be used by the routines:
read, readline, send, shutdown.
"""
self.host = host
self.port = port
res = socket.getaddrinfo(host, port, socket.AF_UNSPEC,
socket.SOCK_STREAM)
self.sock = socket.socket(af, socktype, proto)
# Try each address returned by getaddrinfo in turn until we
# manage to connect to one.
# Try all the addresses in turn until we connect()
last_error = 0
for remote in res:
af, socktype, proto, canonname, sa = remote
self.sock = socket.socket(af, socktype, proto)
last_error = self.sock.connect_ex(sa)
if last_error == 0:
break
else:
self.sock.close()
if last_error != 0:
# FIXME
raise socket.error(last_error)
self.file = self.sock.makefile('rb')
def new_open_ssl(self, host = '', port = IMAP4_SSL_PORT):
"""Setup connection to remote server on "host:port".
(default: localhost:standard IMAP4 SSL port).
This connection will be used by the routines:
read, readline, send, shutdown.
"""
self.host = host
self.port = port
#This connects to the first ip found ipv4/ipv6
#Added by Adriaan Peeters <apeeters@lashout.net> based on a socket
#example from the python documentation:
#http://www.python.org/doc/lib/socket-example.html
res = socket.getaddrinfo(host, port, socket.AF_UNSPEC,
socket.SOCK_STREAM)
# Try all the addresses in turn until we connect()
last_error = 0
for remote in res:
af, socktype, proto, canonname, sa = remote
self.sock = socket.socket(af, socktype, proto)
last_error = self.sock.connect_ex(sa)
if last_error == 0:
break
else:
self.sock.close()
if last_error != 0:
# FIXME
raise socket.error(last_error)
if sys.version_info[0] <= 2 and sys.version_info[1] <= 2:
self.sslobj = socket.ssl(self.sock, self.keyfile, self.certfile)
else:
self.sslobj = socket.ssl(self.sock._sock, self.keyfile, self.certfile)
self.sslobj = sslwrapper(self.sslobj)
mustquote = re.compile(r"[^\w!#$%&'+,.:;<=>?^`|~-]")
def Internaldate2epoch(resp):
"""Convert IMAP4 INTERNALDATE to UT.
Returns seconds since the epoch.
"""
mo = InternalDate.match(resp)
if not mo:
return None
mon = Mon2num[mo.group('mon')]
zonen = mo.group('zonen')
day = int(mo.group('day'))
year = int(mo.group('year'))
hour = int(mo.group('hour'))
min = int(mo.group('min'))
sec = int(mo.group('sec'))
zoneh = int(mo.group('zoneh'))
zonem = int(mo.group('zonem'))
# INTERNALDATE timezone must be subtracted to get UT
zone = (zoneh*60 + zonem)*60
if zonen == '-':
zone = -zone
tt = (year, mon, day, hour, min, sec, -1, -1, -1)
return time.mktime(tt)