2007-07-04 19:53:48 +02:00
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# imaplib utilities
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2016-06-04 00:49:57 +02:00
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# Copyright (C) 2002-2016 John Goerzen & contributors
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2007-07-04 19:36:33 +02:00
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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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2011-04-13 10:52:18 +02:00
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import os
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import fcntl
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2011-03-11 22:13:21 +01:00
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import time
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import subprocess
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Update to match semantics of new imaplib2
The biggest change here is that imapobj.untagged_responses is no
longer a dictionary, but a list. To access it, I use the semi-private
_get_untagged_response method.
* offlineimap/folder/IMAP.py (IMAPFolder.quickchanged,
IMAPFolder.cachemessagelist): imaplib2 now explicitly removes its
EXISTS response on select(), so instead we use the return values from
select() to get the number of messages.
* offlineimap/imapserver.py (UsefulIMAPMixIn.select): imaplib2 now
stores untagged_responses for different mailboxes, which confuses us
because it seems like our mailboxes are "still" in read-only mode when
we just re-opened them. Additionally, we have to return the value
from imaplib2's select() so that the above thing works.
* offlineimap/imapserver.py (UsefulIMAPMixIn._mesg): imaplib2 now
calls _mesg with the name of a thread, so we display this
information in debug output. This requires a corresponding change to
imaplibutil.new_mesg.
* offlineimap/imaplibutil.py: We override IMAP4_SSL.open, whose
default arguments have changed, so update the default arguments. We
also subclass imaplib.IMAP4 in a few different places, which now
relies on having a read_fd file descriptor to poll on.
Signed-off-by: Ethan Glasser-Camp <ethan@betacantrips.com>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
2011-03-10 21:36:20 +01:00
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import threading
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2015-02-15 15:16:20 +01:00
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import socket
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2015-02-17 10:33:56 +01:00
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import errno
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2016-06-04 00:49:57 +02:00
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import zlib
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2016-06-29 03:42:57 +02:00
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from sys import exc_info
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2018-05-14 00:20:37 +02:00
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from hashlib import sha512, sha384, sha256, sha224, sha1
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2011-09-12 09:50:41 +02:00
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2016-07-25 03:20:53 +02:00
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import six
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2011-05-07 18:39:13 +02:00
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from offlineimap import OfflineImapError
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2016-06-29 03:42:57 +02:00
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from offlineimap.ui import getglobalui
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2016-06-04 00:49:57 +02:00
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from offlineimap.virtual_imaplib2 import IMAP4, IMAP4_SSL, InternalDate, Mon2num
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2016-05-17 19:56:52 +02:00
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2007-07-04 20:17:27 +02:00
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2011-11-02 08:40:03 +01:00
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class UsefulIMAPMixIn(object):
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2014-03-16 13:27:35 +01:00
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def __getselectedfolder(self):
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2011-07-06 23:15:33 +02:00
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if self.state == 'SELECTED':
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return self.mailbox
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2011-03-22 15:51:43 +01:00
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return None
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2015-01-01 21:41:11 +01:00
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def select(self, mailbox='INBOX', readonly=False, force=False):
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2011-05-07 18:39:13 +02:00
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"""Selects a mailbox on the IMAP server
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:returns: 'OK' on success, nothing if the folder was already
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2015-01-01 21:41:11 +01:00
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selected or raises an :exc:`OfflineImapError`."""
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2015-01-14 22:58:25 +01:00
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if self.__getselectedfolder() == mailbox and \
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self.is_readonly == readonly and \
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not force:
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2011-03-22 15:51:43 +01:00
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# No change; return.
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return
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2011-09-01 11:00:59 +02:00
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try:
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2011-11-02 08:40:03 +01:00
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result = super(UsefulIMAPMixIn, self).select(mailbox, readonly)
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2012-08-05 20:40:52 +02:00
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except self.readonly as e:
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# pass self.readonly to our callers
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raise
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2012-02-05 10:14:23 +01:00
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except self.abort as e:
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2011-09-01 11:00:59 +02:00
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# self.abort is raised when we are supposed to retry
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errstr = "Server '%s' closed connection, error on SELECT '%s'. Ser"\
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"ver said: %s" % (self.host, mailbox, e.args[0])
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severity = OfflineImapError.ERROR.FOLDER_RETRY
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2016-06-29 03:42:57 +02:00
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six.reraise(OfflineImapError,
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OfflineImapError(errstr, severity),
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exc_info()[2])
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2011-03-22 15:51:43 +01:00
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if result[0] != 'OK':
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2011-05-07 18:39:13 +02:00
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#in case of error, bail out with OfflineImapError
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errstr = "Error SELECTing mailbox '%s', server reply:\n%s" %\
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(mailbox, result)
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severity = OfflineImapError.ERROR.FOLDER
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2011-11-02 08:40:03 +01:00
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raise OfflineImapError(errstr, severity)
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2011-03-22 15:51:43 +01:00
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return result
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2014-03-16 13:27:35 +01:00
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# Overrides private function from IMAP4 (@imaplib2)
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2011-03-22 15:51:43 +01:00
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def _mesg(self, s, tn=None, secs=None):
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new_mesg(self, s, tn, secs)
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2015-02-15 15:16:20 +01:00
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# Overrides private function from IMAP4 (@imaplib2)
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def open_socket(self):
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"""open_socket()
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Open socket choosing first address family available."""
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msg = (-1, 'could not open socket')
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2016-02-23 01:45:18 +01:00
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for res in socket.getaddrinfo(self.host, self.port, self.af, socket.SOCK_STREAM):
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2015-02-15 15:16:20 +01:00
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af, socktype, proto, canonname, sa = res
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try:
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# use socket of our own, possiblly socksified socket.
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s = self.socket(af, socktype, proto)
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2016-05-08 15:10:57 +02:00
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except socket.error as msg:
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2015-02-15 15:16:20 +01:00
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continue
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try:
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for i in (0, 1):
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try:
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s.connect(sa)
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break
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2016-05-08 15:10:57 +02:00
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except socket.error as msg:
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2015-02-15 15:16:20 +01:00
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if len(msg.args) < 2 or msg.args[0] != errno.EINTR:
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raise
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else:
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raise socket.error(msg)
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2016-05-08 15:10:57 +02:00
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except socket.error as msg:
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2015-02-15 15:16:20 +01:00
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s.close()
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continue
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break
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else:
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raise socket.error(msg)
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return s
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2015-01-01 21:41:11 +01:00
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2011-03-22 15:51:44 +01:00
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class IMAP4_Tunnel(UsefulIMAPMixIn, IMAP4):
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2007-07-04 19:36:33 +02:00
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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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2011-04-13 10:52:18 +02:00
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def __init__(self, tunnelcmd, **kwargs):
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2015-02-15 15:16:20 +01:00
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if "use_socket" in kwargs:
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self.socket = kwargs['use_socket']
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del kwargs['use_socket']
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2011-04-13 10:52:18 +02:00
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IMAP4.__init__(self, tunnelcmd, **kwargs)
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2007-07-04 19:36:33 +02:00
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def open(self, host, port):
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"""The tunnelcmd comes in on host!"""
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2015-01-01 21:41:11 +01:00
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2011-04-13 10:52:18 +02:00
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self.host = host
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2007-07-04 19:36:33 +02:00
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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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Update to match semantics of new imaplib2
The biggest change here is that imapobj.untagged_responses is no
longer a dictionary, but a list. To access it, I use the semi-private
_get_untagged_response method.
* offlineimap/folder/IMAP.py (IMAPFolder.quickchanged,
IMAPFolder.cachemessagelist): imaplib2 now explicitly removes its
EXISTS response on select(), so instead we use the return values from
select() to get the number of messages.
* offlineimap/imapserver.py (UsefulIMAPMixIn.select): imaplib2 now
stores untagged_responses for different mailboxes, which confuses us
because it seems like our mailboxes are "still" in read-only mode when
we just re-opened them. Additionally, we have to return the value
from imaplib2's select() so that the above thing works.
* offlineimap/imapserver.py (UsefulIMAPMixIn._mesg): imaplib2 now
calls _mesg with the name of a thread, so we display this
information in debug output. This requires a corresponding change to
imaplibutil.new_mesg.
* offlineimap/imaplibutil.py: We override IMAP4_SSL.open, whose
default arguments have changed, so update the default arguments. We
also subclass imaplib.IMAP4 in a few different places, which now
relies on having a read_fd file descriptor to poll on.
Signed-off-by: Ethan Glasser-Camp <ethan@betacantrips.com>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
2011-03-10 21:36:20 +01:00
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# imaplib2 polls on this fd
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self.read_fd = self.infd.fileno()
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2007-07-04 19:36:33 +02:00
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2011-04-13 10:52:18 +02:00
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self.set_nonblocking(self.read_fd)
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def set_nonblocking(self, fd):
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2015-01-01 21:41:11 +01:00
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"""Mark fd as nonblocking"""
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2011-04-13 10:52:18 +02:00
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# get the file's current flag settings
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fl = fcntl.fcntl(fd, fcntl.F_GETFL)
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# clear non-blocking mode from flags
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fl = fl & ~os.O_NONBLOCK
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fcntl.fcntl(fd, fcntl.F_SETFL, fl)
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2007-07-04 19:36:33 +02:00
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def read(self, size):
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2011-04-13 10:52:18 +02:00
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"""data = read(size)
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Read at most 'size' bytes from remote."""
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2007-07-04 19:36:33 +02:00
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2011-04-13 10:52:18 +02:00
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if self.decompressor is None:
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return os.read(self.read_fd, size)
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if self.decompressor.unconsumed_tail:
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data = self.decompressor.unconsumed_tail
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else:
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data = os.read(self.read_fd, 8192)
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return self.decompressor.decompress(data, size)
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2007-07-04 19:36:33 +02:00
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def send(self, data):
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2011-04-13 10:52:18 +02:00
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if self.compressor is not None:
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data = self.compressor.compress(data)
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data += self.compressor.flush(zlib.Z_SYNC_FLUSH)
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2007-07-04 19:36:33 +02:00
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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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Update to match semantics of new imaplib2
The biggest change here is that imapobj.untagged_responses is no
longer a dictionary, but a list. To access it, I use the semi-private
_get_untagged_response method.
* offlineimap/folder/IMAP.py (IMAPFolder.quickchanged,
IMAPFolder.cachemessagelist): imaplib2 now explicitly removes its
EXISTS response on select(), so instead we use the return values from
select() to get the number of messages.
* offlineimap/imapserver.py (UsefulIMAPMixIn.select): imaplib2 now
stores untagged_responses for different mailboxes, which confuses us
because it seems like our mailboxes are "still" in read-only mode when
we just re-opened them. Additionally, we have to return the value
from imaplib2's select() so that the above thing works.
* offlineimap/imapserver.py (UsefulIMAPMixIn._mesg): imaplib2 now
calls _mesg with the name of a thread, so we display this
information in debug output. This requires a corresponding change to
imaplibutil.new_mesg.
* offlineimap/imaplibutil.py: We override IMAP4_SSL.open, whose
default arguments have changed, so update the default arguments. We
also subclass imaplib.IMAP4 in a few different places, which now
relies on having a read_fd file descriptor to poll on.
Signed-off-by: Ethan Glasser-Camp <ethan@betacantrips.com>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
2011-03-10 21:36:20 +01:00
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def new_mesg(self, s, tn=None, secs=None):
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2007-07-04 19:36:33 +02:00
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if secs is None:
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secs = time.time()
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Update to match semantics of new imaplib2
The biggest change here is that imapobj.untagged_responses is no
longer a dictionary, but a list. To access it, I use the semi-private
_get_untagged_response method.
* offlineimap/folder/IMAP.py (IMAPFolder.quickchanged,
IMAPFolder.cachemessagelist): imaplib2 now explicitly removes its
EXISTS response on select(), so instead we use the return values from
select() to get the number of messages.
* offlineimap/imapserver.py (UsefulIMAPMixIn.select): imaplib2 now
stores untagged_responses for different mailboxes, which confuses us
because it seems like our mailboxes are "still" in read-only mode when
we just re-opened them. Additionally, we have to return the value
from imaplib2's select() so that the above thing works.
* offlineimap/imapserver.py (UsefulIMAPMixIn._mesg): imaplib2 now
calls _mesg with the name of a thread, so we display this
information in debug output. This requires a corresponding change to
imaplibutil.new_mesg.
* offlineimap/imaplibutil.py: We override IMAP4_SSL.open, whose
default arguments have changed, so update the default arguments. We
also subclass imaplib.IMAP4 in a few different places, which now
relies on having a read_fd file descriptor to poll on.
Signed-off-by: Ethan Glasser-Camp <ethan@betacantrips.com>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
2011-03-10 21:36:20 +01:00
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if tn is None:
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tn = threading.currentThread().getName()
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2007-07-04 19:36:33 +02:00
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tm = time.strftime('%M:%S', time.localtime(secs))
|
Update to match semantics of new imaplib2
The biggest change here is that imapobj.untagged_responses is no
longer a dictionary, but a list. To access it, I use the semi-private
_get_untagged_response method.
* offlineimap/folder/IMAP.py (IMAPFolder.quickchanged,
IMAPFolder.cachemessagelist): imaplib2 now explicitly removes its
EXISTS response on select(), so instead we use the return values from
select() to get the number of messages.
* offlineimap/imapserver.py (UsefulIMAPMixIn.select): imaplib2 now
stores untagged_responses for different mailboxes, which confuses us
because it seems like our mailboxes are "still" in read-only mode when
we just re-opened them. Additionally, we have to return the value
from imaplib2's select() so that the above thing works.
* offlineimap/imapserver.py (UsefulIMAPMixIn._mesg): imaplib2 now
calls _mesg with the name of a thread, so we display this
information in debug output. This requires a corresponding change to
imaplibutil.new_mesg.
* offlineimap/imaplibutil.py: We override IMAP4_SSL.open, whose
default arguments have changed, so update the default arguments. We
also subclass imaplib.IMAP4 in a few different places, which now
relies on having a read_fd file descriptor to poll on.
Signed-off-by: Ethan Glasser-Camp <ethan@betacantrips.com>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
2011-03-10 21:36:20 +01:00
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getglobalui().debug('imap', ' %s.%02d %s %s' % (tm, (secs*100)%100, tn, s))
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2007-07-04 19:36:33 +02:00
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2011-08-15 11:55:42 +02:00
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2011-03-22 15:51:44 +01:00
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class WrappedIMAP4_SSL(UsefulIMAPMixIn, IMAP4_SSL):
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2015-01-01 21:41:11 +01:00
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"""Improved version of imaplib.IMAP4_SSL overriding select()."""
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2011-09-12 09:50:41 +02:00
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def __init__(self, *args, **kwargs):
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2016-02-23 01:45:18 +01:00
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if "af" in kwargs:
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self.af = kwargs['af']
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del kwargs['af']
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2015-02-15 15:16:20 +01:00
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if "use_socket" in kwargs:
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self.socket = kwargs['use_socket']
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del kwargs['use_socket']
|
2011-09-12 09:50:41 +02:00
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self._fingerprint = kwargs.get('fingerprint', None)
|
2014-05-06 23:22:29 +02:00
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if type(self._fingerprint) != type([]):
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self._fingerprint = [self._fingerprint]
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2012-02-05 13:40:06 +01:00
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if 'fingerprint' in kwargs:
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2011-09-12 09:50:41 +02:00
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del kwargs['fingerprint']
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super(WrappedIMAP4_SSL, self).__init__(*args, **kwargs)
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def open(self, host=None, port=None):
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2014-05-06 23:22:29 +02:00
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if not self.ca_certs and not self._fingerprint:
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2015-01-01 21:41:11 +01:00
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raise OfflineImapError("No CA certificates "
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"and no server fingerprints configured. "
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"You must configure at least something, otherwise "
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2014-05-06 23:22:29 +02:00
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"having SSL helps nothing.", OfflineImapError.ERROR.REPO)
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2011-09-12 09:50:41 +02:00
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super(WrappedIMAP4_SSL, self).open(host, port)
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2014-05-06 23:22:29 +02:00
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if self._fingerprint:
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2018-05-14 00:20:37 +02:00
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server_cert = self.sock.getpeercert(True)
|
|
|
|
hashes = sha512, sha384, sha256, sha224, sha1
|
|
|
|
server_fingerprints = [hash(server_cert).hexdigest() for hash in hashes]
|
2011-09-12 09:50:41 +02:00
|
|
|
# compare fingerprints
|
2018-05-14 00:20:37 +02:00
|
|
|
matches = [(server_fingerprint in self._fingerprint) for server_fingerprint in server_fingerprints]
|
|
|
|
if not any(matches):
|
2015-01-01 21:41:11 +01:00
|
|
|
raise OfflineImapError("Server SSL fingerprint '%s' "
|
|
|
|
"for hostname '%s' "
|
|
|
|
"does not match configured fingerprint(s) %s. "
|
|
|
|
"Please verify and set 'cert_fingerprint' accordingly "
|
|
|
|
"if not set yet."%
|
2018-05-14 00:20:37 +02:00
|
|
|
(server_fingerprints, host, self._fingerprint),
|
2015-01-01 21:41:11 +01:00
|
|
|
OfflineImapError.ERROR.REPO)
|
2010-12-16 13:43:47 +01:00
|
|
|
|
|
|
|
|
2011-03-22 15:51:44 +01:00
|
|
|
class WrappedIMAP4(UsefulIMAPMixIn, IMAP4):
|
2015-01-01 21:41:11 +01:00
|
|
|
"""Improved version of imaplib.IMAP4 overriding select()."""
|
|
|
|
|
2015-02-15 15:16:20 +01:00
|
|
|
def __init__(self, *args, **kwargs):
|
2016-02-23 01:45:18 +01:00
|
|
|
if "af" in kwargs:
|
|
|
|
self.af = kwargs['af']
|
|
|
|
del kwargs['af']
|
2015-02-15 15:16:20 +01:00
|
|
|
if "use_socket" in kwargs:
|
|
|
|
self.socket = kwargs['use_socket']
|
|
|
|
del kwargs['use_socket']
|
|
|
|
IMAP4.__init__(self, *args, **kwargs)
|
2010-12-16 13:43:46 +01:00
|
|
|
|
Update to match semantics of new imaplib2
The biggest change here is that imapobj.untagged_responses is no
longer a dictionary, but a list. To access it, I use the semi-private
_get_untagged_response method.
* offlineimap/folder/IMAP.py (IMAPFolder.quickchanged,
IMAPFolder.cachemessagelist): imaplib2 now explicitly removes its
EXISTS response on select(), so instead we use the return values from
select() to get the number of messages.
* offlineimap/imapserver.py (UsefulIMAPMixIn.select): imaplib2 now
stores untagged_responses for different mailboxes, which confuses us
because it seems like our mailboxes are "still" in read-only mode when
we just re-opened them. Additionally, we have to return the value
from imaplib2's select() so that the above thing works.
* offlineimap/imapserver.py (UsefulIMAPMixIn._mesg): imaplib2 now
calls _mesg with the name of a thread, so we display this
information in debug output. This requires a corresponding change to
imaplibutil.new_mesg.
* offlineimap/imaplibutil.py: We override IMAP4_SSL.open, whose
default arguments have changed, so update the default arguments. We
also subclass imaplib.IMAP4 in a few different places, which now
relies on having a read_fd file descriptor to poll on.
Signed-off-by: Ethan Glasser-Camp <ethan@betacantrips.com>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
2011-03-10 21:36:20 +01:00
|
|
|
|
2007-07-04 19:36:33 +02:00
|
|
|
def Internaldate2epoch(resp):
|
|
|
|
"""Convert IMAP4 INTERNALDATE to UT.
|
|
|
|
|
2015-01-01 21:41:11 +01:00
|
|
|
Returns seconds since the epoch."""
|
2007-07-04 19:36:33 +02:00
|
|
|
|
2015-03-21 07:15:25 +01:00
|
|
|
from calendar import timegm
|
|
|
|
|
2007-07-04 19:36:33 +02:00
|
|
|
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)
|
|
|
|
|
2015-03-21 07:15:25 +01:00
|
|
|
return timegm(tt) - zone
|