362 lines
13 KiB
Python
362 lines
13 KiB
Python
# IMAP repository support
|
|
# Copyright (C) 2002-2011 John Goerzen & contributors
|
|
#
|
|
# 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
|
|
|
|
from offlineimap.repository.Base import BaseRepository
|
|
from offlineimap import folder, imaputil, imapserver, OfflineImapError
|
|
from offlineimap.folder.UIDMaps import MappedIMAPFolder
|
|
from offlineimap.threadutil import ExitNotifyThread
|
|
from threading import Event
|
|
import os
|
|
from sys import exc_info
|
|
import netrc
|
|
import errno
|
|
|
|
class IMAPRepository(BaseRepository):
|
|
def __init__(self, reposname, account):
|
|
"""Initialize an IMAPRepository object."""
|
|
BaseRepository.__init__(self, reposname, account)
|
|
# self.ui is being set by the BaseRepository
|
|
self._host = None
|
|
self.imapserver = imapserver.IMAPServer(self)
|
|
self.folders = None
|
|
if self.getconf('sep', None):
|
|
self.ui.info("The 'sep' setting is being ignored for IMAP "
|
|
"repository '%s' (it's autodetected)" % self)
|
|
|
|
def startkeepalive(self):
|
|
keepalivetime = self.getkeepalive()
|
|
if not keepalivetime: return
|
|
self.kaevent = Event()
|
|
self.kathread = ExitNotifyThread(target = self.imapserver.keepalive,
|
|
name = "Keep alive " + self.getname(),
|
|
args = (keepalivetime, self.kaevent))
|
|
self.kathread.setDaemon(1)
|
|
self.kathread.start()
|
|
|
|
def stopkeepalive(self):
|
|
if not hasattr(self, 'kaevent'):
|
|
# Keepalive is not active.
|
|
return
|
|
|
|
self.kaevent.set()
|
|
del self.kathread
|
|
del self.kaevent
|
|
|
|
def holdordropconnections(self):
|
|
if not self.getholdconnectionopen():
|
|
self.dropconnections()
|
|
|
|
def dropconnections(self):
|
|
self.imapserver.close()
|
|
|
|
def getholdconnectionopen(self):
|
|
if self.getidlefolders():
|
|
return 1
|
|
return self.getconfboolean("holdconnectionopen", 0)
|
|
|
|
def getkeepalive(self):
|
|
num = self.getconfint("keepalive", 0)
|
|
if num == 0 and self.getidlefolders():
|
|
return 29*60
|
|
else:
|
|
return num
|
|
|
|
def getsep(self):
|
|
"""Return the folder separator for the IMAP repository
|
|
|
|
This requires that self.imapserver has been initialized with an
|
|
acquireconnection() or it will still be `None`"""
|
|
assert self.imapserver.delim != None, "'%s' " \
|
|
"repository called getsep() before the folder separator was " \
|
|
"queried from the server" % self
|
|
return self.imapserver.delim
|
|
|
|
def gethost(self):
|
|
"""Return the configured hostname to connect to
|
|
|
|
:returns: hostname as string or throws Exception"""
|
|
if self._host: # use cached value if possible
|
|
return self._host
|
|
|
|
# 1) check for remotehosteval setting
|
|
if self.config.has_option(self.getsection(), 'remotehosteval'):
|
|
host = self.getconf('remotehosteval')
|
|
try:
|
|
host = self.localeval.eval(host)
|
|
except Exception as e:
|
|
raise OfflineImapError("remotehosteval option for repository "\
|
|
"'%s' failed:\n%s" % (self, e),
|
|
OfflineImapError.ERROR.REPO)
|
|
if host:
|
|
self._host = host
|
|
return self._host
|
|
# 2) check for plain remotehost setting
|
|
host = self.getconf('remotehost', None)
|
|
if host != None:
|
|
self._host = host
|
|
return self._host
|
|
|
|
# no success
|
|
raise OfflineImapError("No remote host for repository "\
|
|
"'%s' specified." % self,
|
|
OfflineImapError.ERROR.REPO)
|
|
|
|
def getuser(self):
|
|
user = None
|
|
localeval = self.localeval
|
|
|
|
if self.config.has_option(self.getsection(), 'remoteusereval'):
|
|
user = self.getconf('remoteusereval')
|
|
if user != None:
|
|
return localeval.eval(user)
|
|
|
|
user = self.getconf('remoteuser')
|
|
if user != None:
|
|
return user
|
|
|
|
try:
|
|
netrcentry = netrc.netrc().authenticators(self.gethost())
|
|
except IOError as inst:
|
|
if inst.errno != errno.ENOENT:
|
|
raise
|
|
else:
|
|
if netrcentry:
|
|
return netrcentry[0]
|
|
|
|
try:
|
|
netrcentry = netrc.netrc('/etc/netrc').authenticators(self.gethost())
|
|
except IOError as inst:
|
|
if inst.errno not in (errno.ENOENT, errno.EACCES):
|
|
raise
|
|
else:
|
|
if netrcentry:
|
|
return netrcentry[0]
|
|
|
|
|
|
def getport(self):
|
|
return self.getconfint('remoteport', None)
|
|
|
|
def getssl(self):
|
|
return self.getconfboolean('ssl', 0)
|
|
|
|
def getsslclientcert(self):
|
|
return self.getconf('sslclientcert', None)
|
|
|
|
def getsslclientkey(self):
|
|
return self.getconf('sslclientkey', None)
|
|
|
|
def getsslcacertfile(self):
|
|
"""Return the absolute path of the CA certfile to use, if any"""
|
|
cacertfile = self.getconf('sslcacertfile', None)
|
|
if cacertfile is None:
|
|
return None
|
|
cacertfile = os.path.expanduser(cacertfile)
|
|
cacertfile = os.path.abspath(cacertfile)
|
|
if not os.path.isfile(cacertfile):
|
|
raise SyntaxWarning("CA certfile for repository '%s' could "
|
|
"not be found. No such file: '%s'" \
|
|
% (self.name, cacertfile))
|
|
return cacertfile
|
|
|
|
def getsslversion(self):
|
|
return self.getconf('ssl_version', None)
|
|
|
|
def get_ssl_fingerprint(self):
|
|
return self.getconf('cert_fingerprint', None)
|
|
|
|
def getpreauthtunnel(self):
|
|
return self.getconf('preauthtunnel', None)
|
|
|
|
def getreference(self):
|
|
return self.getconf('reference', '')
|
|
|
|
def getidlefolders(self):
|
|
localeval = self.localeval
|
|
return localeval.eval(self.getconf('idlefolders', '[]'))
|
|
|
|
def getmaxconnections(self):
|
|
num1 = len(self.getidlefolders())
|
|
num2 = self.getconfint('maxconnections', 1)
|
|
return max(num1, num2)
|
|
|
|
def getexpunge(self):
|
|
return self.getconfboolean('expunge', 1)
|
|
|
|
def getpassword(self):
|
|
"""Return the IMAP password for this repository.
|
|
|
|
It tries to get passwords in the following order:
|
|
|
|
1. evaluate Repository 'remotepasseval'
|
|
2. read password from Repository 'remotepass'
|
|
3. read password from file specified in Repository 'remotepassfile'
|
|
4. read password from ~/.netrc
|
|
5. read password from /etc/netrc
|
|
|
|
On success we return the password.
|
|
If all strategies fail we return None.
|
|
"""
|
|
# 1. evaluate Repository 'remotepasseval'
|
|
passwd = self.getconf('remotepasseval', None)
|
|
if passwd != None:
|
|
return self.localeval.eval(passwd)
|
|
# 2. read password from Repository 'remotepass'
|
|
password = self.getconf('remotepass', None)
|
|
if password != None:
|
|
return password
|
|
# 3. read password from file specified in Repository 'remotepassfile'
|
|
passfile = self.getconf('remotepassfile', None)
|
|
if passfile != None:
|
|
fd = open(os.path.expanduser(passfile))
|
|
password = fd.readline().strip()
|
|
fd.close()
|
|
return password
|
|
# 4. read password from ~/.netrc
|
|
try:
|
|
netrcentry = netrc.netrc().authenticators(self.gethost())
|
|
except IOError as inst:
|
|
if inst.errno != errno.ENOENT:
|
|
raise
|
|
else:
|
|
if netrcentry:
|
|
user = self.getconf('remoteuser')
|
|
if user == None or user == netrcentry[0]:
|
|
return netrcentry[2]
|
|
# 5. read password from /etc/netrc
|
|
try:
|
|
netrcentry = netrc.netrc('/etc/netrc').authenticators(self.gethost())
|
|
except IOError as inst:
|
|
if inst.errno not in (errno.ENOENT, errno.EACCES):
|
|
raise
|
|
else:
|
|
if netrcentry:
|
|
user = self.getconf('remoteuser')
|
|
if user == None or user == netrcentry[0]:
|
|
return netrcentry[2]
|
|
# no strategy yielded a password!
|
|
return None
|
|
|
|
|
|
def getfolder(self, foldername):
|
|
return self.getfoldertype()(self.imapserver, foldername, self)
|
|
|
|
def getfoldertype(self):
|
|
return folder.IMAP.IMAPFolder
|
|
|
|
def connect(self):
|
|
imapobj = self.imapserver.acquireconnection()
|
|
self.imapserver.releaseconnection(imapobj)
|
|
|
|
def forgetfolders(self):
|
|
self.folders = None
|
|
|
|
def getfolders(self):
|
|
if self.folders != None:
|
|
return self.folders
|
|
retval = []
|
|
imapobj = self.imapserver.acquireconnection()
|
|
# check whether to list all folders, or subscribed only
|
|
listfunction = imapobj.list
|
|
if self.getconfboolean('subscribedonly', False):
|
|
listfunction = imapobj.lsub
|
|
try:
|
|
listresult = listfunction(directory = self.imapserver.reference)[1]
|
|
finally:
|
|
self.imapserver.releaseconnection(imapobj)
|
|
for string in listresult:
|
|
if string == None or \
|
|
(isinstance(string, basestring) and string == ''):
|
|
# Bug in imaplib: empty strings in results from
|
|
# literals. TODO: still relevant?
|
|
continue
|
|
flags, delim, name = imaputil.imapsplit(string)
|
|
flaglist = [x.lower() for x in imaputil.flagsplit(flags)]
|
|
if '\\noselect' in flaglist:
|
|
continue
|
|
foldername = imaputil.dequote(name)
|
|
retval.append(self.getfoldertype()(self.imapserver, foldername,
|
|
self))
|
|
# Add all folderincludes
|
|
if len(self.folderincludes):
|
|
imapobj = self.imapserver.acquireconnection()
|
|
try:
|
|
for foldername in self.folderincludes:
|
|
try:
|
|
imapobj.select(foldername, readonly = True)
|
|
except OfflineImapError as e:
|
|
# couldn't select this folderinclude, so ignore folder.
|
|
if e.severity > OfflineImapError.ERROR.FOLDER:
|
|
raise
|
|
self.ui.error(e, exc_info()[2],
|
|
'Invalid folderinclude:')
|
|
continue
|
|
retval.append(self.getfoldertype()(self.imapserver,
|
|
foldername,
|
|
self))
|
|
finally:
|
|
self.imapserver.releaseconnection(imapobj)
|
|
|
|
if self.foldersort is None:
|
|
# default sorting by case insensitive transposed name
|
|
retval.sort(key=lambda x: str.lower(x.getvisiblename()))
|
|
else:
|
|
# do foldersort in a python3-compatible way
|
|
# http://bytes.com/topic/python/answers/844614-python-3-sorting-comparison-function
|
|
def cmp2key(mycmp):
|
|
"""Converts a cmp= function into a key= function
|
|
We need to keep cmp functions for backward compatibility"""
|
|
class K:
|
|
def __init__(self, obj, *args):
|
|
self.obj = obj
|
|
def __cmp__(self, other):
|
|
return mycmp(self.obj, other.obj)
|
|
return K
|
|
retval.sort(key=cmp2key(self.foldersort))
|
|
|
|
self.folders = retval
|
|
return self.folders
|
|
|
|
def makefolder(self, foldername):
|
|
"""Create a folder on the IMAP server
|
|
|
|
This will not update the list cached in :meth:`getfolders`. You
|
|
will need to invoke :meth:`forgetfolders` to force new caching
|
|
when you are done creating folders yourself.
|
|
|
|
:param foldername: Full path of the folder to be created."""
|
|
if self.getreference():
|
|
foldername = self.getreference() + self.getsep() + foldername
|
|
if not foldername: # Create top level folder as folder separator
|
|
foldername = self.getsep()
|
|
self.ui.makefolder(self, foldername)
|
|
if self.account.dryrun:
|
|
return
|
|
imapobj = self.imapserver.acquireconnection()
|
|
try:
|
|
result = imapobj.create(foldername)
|
|
if result[0] != 'OK':
|
|
raise OfflineImapError("Folder '%s'[%s] could not be created. "
|
|
"Server responded: %s" % \
|
|
(foldername, self, str(result)),
|
|
OfflineImapError.ERROR.FOLDER)
|
|
finally:
|
|
self.imapserver.releaseconnection(imapobj)
|
|
|
|
class MappedIMAPRepository(IMAPRepository):
|
|
def getfoldertype(self):
|
|
return MappedIMAPFolder
|