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