/usr/lib/python2.7/dist-packages/Mailnag/common/accounts.py is in mailnag 1.2.1-1.
This file is owned by root:root, with mode 0o644.
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# -*- coding: utf-8 -*-
#
# accounts.py
#
# Copyright 2011 - 2016 Patrick Ulbrich <zulu99@gmx.net>
# Copyright 2016 Thomas Haider <t.haider@deprecate.de>
# Copyright 2011 Ralf Hersel <ralf.hersel@gmx.net>
#
# 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 Street, Fifth Floor, Boston,
# MA 02110-1301, USA.
#
import poplib
import logging
import Mailnag.common.imaplib2 as imaplib
from Mailnag.common.utils import splitstr
account_defaults = {
'enabled' : '0',
'name' : '',
'user' : '',
'password' : '',
'server' : '',
'port' : '',
'ssl' : '1',
'imap' : '1',
'idle' : '1',
'folder' : ''
}
CREDENTIAL_KEY = 'Mailnag password for %s://%s@%s'
#
# Account class
#
class Account:
def __init__(self, enabled = False, name = '', user = '', \
password = '', oauth2string = '', server = '', port = '', ssl = True, imap = True, idle = True, folders = []):
self.enabled = enabled # bool
self.name = name
self.user = user
self.password = password
self.oauth2string = oauth2string
self.server = server
self.port = port
self.ssl = ssl # bool
self.imap = imap # bool
self.idle = idle # bool
self.folders = folders
self._conn = None
def get_connection(self, use_existing = False): # get email server connection
if self.imap:
return self._get_IMAP_connection(use_existing)
else:
return self._get_POP3_connection(use_existing)
# Indicates whether the account
# holds an active existing connection.
# Note: this method only indicates if the
# account *holds* (caches) an existing connection.
# There may be further, but no longer
# associated connections if get_connection()
# was called multiple times (with use_existing
# set to False).
def has_connection(self):
if self.imap:
return self._has_IMAP_connection()
else:
return self._has_POP3_connection()
# Requests folder names (list) from a server.
# Relevant for IMAP accounts only.
# Returns an empty list when used on POP3 accounts.
def request_server_folders(self):
lst = []
if not self.imap:
return lst
# Always create a new connection as an existing one may
# be used for IMAP IDLE.
conn = self._get_IMAP_connection(use_existing = False)
try:
status, data = conn.list('', '*')
finally:
# conn.close() # allowed in SELECTED state only
conn.logout()
separators = [ ' "/" ', ' "." ' ]
for d in data:
folder = ''
for s in separators:
if s in d:
folder = d.split(s)[-1]
break
if len(folder) == 0:
logging.warning("Folder format not supported.")
break
if (folder[0] == '"') and (folder[-1] == '"'):
folder = folder[1:-1]
lst.append(folder)
return lst
def get_id(self):
# TODO : this id is not really unique...
return str(hash(self.user + self.server + ', '.join(self.folders)))
def _has_IMAP_connection(self):
return (self._conn != None) and \
(self._conn.state != imaplib.LOGOUT) and \
(not self._conn.Terminate)
def _get_IMAP_connection(self, use_existing):
# try to reuse existing connection
if use_existing and self._has_IMAP_connection():
return self._conn
self._conn = conn = None
try:
if self.ssl:
if self.port == '':
conn = imaplib.IMAP4_SSL(self.server)
else:
conn = imaplib.IMAP4_SSL(self.server, int(self.port))
else:
if self.port == '':
conn = imaplib.IMAP4(self.server)
else:
conn = imaplib.IMAP4(self.server, int(self.port))
if 'STARTTLS' in conn.capabilities:
conn.starttls()
else:
logging.warning("Using unencrypted connection for account '%s'" % self.name)
if self.oauth2string != '':
conn.authenticate('XOAUTH2', lambda x: self.oauth2string)
else:
conn.login(self.user, self.password)
self._conn = conn
except:
try:
if conn != None:
# conn.close() # allowed in SELECTED state only
conn.logout()
except: pass
raise # re-throw exception
return self._conn
def _has_POP3_connection(self):
return (self._conn != None) and \
('sock' in self._conn.__dict__)
def _get_POP3_connection(self, use_existing):
# try to reuse existing connection
if use_existing and self._has_POP3_connection():
return self._conn
self._conn = conn = None
try:
if self.ssl:
if self.port == '':
conn = poplib.POP3_SSL(self.server)
else:
conn = poplib.POP3_SSL(self.server, int(self.port))
else:
if self.port == '':
conn = poplib.POP3(self.server)
else:
conn = poplib.POP3(self.server, int(self.port))
# TODO : Use STARTTLS when Mailnag has been migrated to python 3
# (analogous to get_IMAP_connection).
logging.warning("Using unencrypted connection for account '%s'" % self.name)
conn.getwelcome()
conn.user(self.user)
conn.pass_(self.password)
self._conn = conn
except:
try:
if conn != None:
conn.quit()
except: pass
raise # re-throw exception
return self._conn
#
# AccountManager class
#
class AccountManager:
def __init__(self, credentialstore = None):
self._accounts = []
self._removed = []
self._credentialstore = credentialstore
def __len__(self):
return len(self._accounts)
def __iter__(self):
for acc in self._accounts:
yield acc
def __contains__(self, item):
return (item in self._accounts)
def add(self, account):
self._accounts.append(account)
def remove(self, account):
self._accounts.remove(account)
self._removed.append(account)
def clear(self):
for acc in self._accounts:
self._removed.append(acc)
del self._accounts[:]
def to_list(self):
# Don't pass a ref to the internal accounts list.
# (Accounts must be removed via the remove() method only.)
return self._accounts[:]
def load_from_cfg(self, cfg, enabled_only = False):
del self._accounts[:]
del self._removed[:]
i = 1
section_name = "account" + str(i)
while cfg.has_section(section_name):
enabled = bool(int( self._get_account_cfg(cfg, section_name, 'enabled') ))
if (not enabled_only) or (enabled_only and enabled):
name = self._get_account_cfg(cfg, section_name, 'name')
user = self._get_account_cfg(cfg, section_name, 'user')
password = self._get_account_cfg(cfg, section_name, 'password')
server = self._get_account_cfg(cfg, section_name, 'server')
port = self._get_account_cfg(cfg, section_name, 'port')
ssl = bool(int( self._get_account_cfg(cfg, section_name, 'ssl') ))
imap = bool(int( self._get_account_cfg(cfg, section_name, 'imap') ))
idle = bool(int( self._get_account_cfg(cfg, section_name, 'idle') ))
folders = splitstr(self._get_account_cfg(cfg, section_name, 'folder'), ',')
if self._credentialstore != None:
protocol = 'imap' if imap else 'pop'
password = self._credentialstore.get(CREDENTIAL_KEY % (protocol, user, server))
acc = Account(enabled, name, user, password, '', server, port, ssl, imap, idle, folders)
self._accounts.append(acc)
i = i + 1
section_name = "account" + str(i)
def save_to_cfg(self, cfg):
# Remove all accounts from cfg
i = 1
section_name = "account" + str(i)
while cfg.has_section(section_name):
cfg.remove_section(section_name)
i = i + 1
section_name = "account" + str(i)
# Delete secrets of removed accounts from the credential store
# (it's important to do this before adding accounts,
# in case multiple accounts with the same credential key exist).
if self._credentialstore != None:
for acc in self._removed:
protocol = 'imap' if acc.imap else 'pop'
# Note: CredentialStore implementations must check if the key acutally exists!
self._credentialstore.remove(CREDENTIAL_KEY % (protocol, acc.user, acc.server))
del self._removed[:]
# Add accounts
i = 1
for acc in self._accounts:
if acc.oauth2string != '':
logging.warning("Saving of OAuth2 based accounts is not supported. Account '%s' skipped." % acc.name)
continue
section_name = "account" + str(i)
cfg.add_section(section_name)
cfg.set(section_name, 'enabled', int(acc.enabled))
cfg.set(section_name, 'name', acc.name)
cfg.set(section_name, 'user', acc.user)
cfg.set(section_name, 'password', '')
cfg.set(section_name, 'server', acc.server)
cfg.set(section_name, 'port', acc.port)
cfg.set(section_name, 'ssl', int(acc.ssl))
cfg.set(section_name, 'imap', int(acc.imap))
cfg.set(section_name, 'idle', int(acc.idle))
cfg.set(section_name, 'folder', ', '.join(acc.folders))
if self._credentialstore != None:
protocol = 'imap' if acc.imap else 'pop'
self._credentialstore.set(CREDENTIAL_KEY % (protocol, acc.user, acc.server), acc.password)
else:
cfg.set(section_name, 'password', acc.password)
i = i + 1
def _get_account_cfg(self, cfg, section_name, option_name):
if cfg.has_option(section_name, option_name):
return cfg.get(section_name, option_name)
else:
return account_defaults[option_name]
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