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authorKali Kaneko <kali@leap.se>2013-11-12 10:43:54 -0200
committerKali Kaneko <kali@leap.se>2013-11-12 23:25:37 -0200
commit76ca78e7f5a5e7b24ceadc10569d49955c58dc05 (patch)
treec2a486768fd225eec25c7cbe9ea5affd042b0035 /src/leap/mail
parentdddc6ff461ffa85749900b6a85a3296d6e609d60 (diff)
check username on imap authentication
Diffstat (limited to 'src/leap/mail')
-rw-r--r--src/leap/mail/imap/service/imap.py50
1 files changed, 39 insertions, 11 deletions
diff --git a/src/leap/mail/imap/service/imap.py b/src/leap/mail/imap/service/imap.py
index 984ad04..feb2593 100644
--- a/src/leap/mail/imap/service/imap.py
+++ b/src/leap/mail/imap/service/imap.py
@@ -25,6 +25,7 @@ from twisted.internet.protocol import ServerFactory
from twisted.internet.error import CannotListenError
from twisted.mail import imap4
from twisted.python import log
+from twisted import cred
logger = logging.getLogger(__name__)
@@ -54,10 +55,13 @@ class LeapIMAPServer(imap4.IMAP4Server):
def __init__(self, *args, **kwargs):
# pop extraneous arguments
soledad = kwargs.pop('soledad', None)
- user = kwargs.pop('user', None)
+ uuid = kwargs.pop('uuid', None)
+ userid = kwargs.pop('userid', None)
leap_assert(soledad, "need a soledad instance")
leap_assert_type(soledad, Soledad)
- leap_assert(user, "need a user in the initialization")
+ leap_assert(uuid, "need a user in the initialization")
+
+ self._userid = userid
# initialize imap server!
imap4.IMAP4Server.__init__(self, *args, **kwargs)
@@ -77,6 +81,12 @@ class LeapIMAPServer(imap4.IMAP4Server):
#self.theAccount = theAccount
def lineReceived(self, line):
+ """
+ Attempt to parse a single line from the server.
+
+ :param line: the line from the server, without the line delimiter.
+ :type line: str
+ """
if "login" in line.lower():
# avoid to log the pass, even though we are using a dummy auth
# by now.
@@ -87,7 +97,21 @@ class LeapIMAPServer(imap4.IMAP4Server):
imap4.IMAP4Server.lineReceived(self, line)
def authenticateLogin(self, username, password):
- # all is allowed so far. use realm instead
+ """
+ Lookup the account with the given parameters, and deny
+ the improper combinations.
+
+ :param username: the username that is attempting authentication.
+ :type username: str
+ :param password: the password to authenticate with.
+ :type password: str
+ """
+ # XXX this should use portal:
+ # return portal.login(cred.credentials.UsernamePassword(user, pass)
+ if username != self._userid:
+ # bad username, reject.
+ raise cred.error.UnauthorizedLogin()
+ # any dummy password is allowed so far. use realm instead!
leap_events.signal(IMAP_CLIENT_LOGIN, "1")
return imap4.IAccount, self.theAccount, lambda: None
@@ -108,28 +132,32 @@ class LeapIMAPFactory(ServerFactory):
capabilities.
"""
- def __init__(self, user, soledad):
+ def __init__(self, uuid, userid, soledad):
"""
Initializes the server factory.
- :param user: user ID. **right now it's uuid**
- this might change!
- :type user: str
+ :param uuid: user uuid
+ :type uuid: str
+
+ :param userid: user id (user@provider.org)
+ :type userid: str
:param soledad: soledad instance
:type soledad: Soledad
"""
- self._user = user
+ self._uuid = uuid
+ self._userid = userid
self._soledad = soledad
theAccount = SoledadBackedAccount(
- user, soledad=soledad)
+ uuid, soledad=soledad)
self.theAccount = theAccount
def buildProtocol(self, addr):
"Return a protocol suitable for the job."
imapProtocol = LeapIMAPServer(
- user=self._user,
+ uuid=self._uuid,
+ userid=self._userid,
soledad=self._soledad)
imapProtocol.theAccount = self.theAccount
imapProtocol.factory = self
@@ -156,7 +184,7 @@ def run_service(*args, **kwargs):
leap_check(userid is not None, "need an user id")
uuid = soledad._get_uuid()
- factory = LeapIMAPFactory(uuid, soledad)
+ factory = LeapIMAPFactory(uuid, userid, soledad)
from twisted.internet import reactor