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-rw-r--r--src/leap/mail/imap/service/imap.py125
1 files changed, 125 insertions, 0 deletions
diff --git a/src/leap/mail/imap/service/imap.py b/src/leap/mail/imap/service/imap.py
index 8350988..8b95f75 100644
--- a/src/leap/mail/imap/service/imap.py
+++ b/src/leap/mail/imap/service/imap.py
@@ -18,6 +18,7 @@
Imap service initialization
"""
import logging
+import os
from twisted.internet.protocol import ServerFactory
from twisted.internet.error import CannotListenError
@@ -64,6 +65,8 @@ except Exception:
######################################################
+DO_MANHOLE = os.environ.get("LEAP_MAIL_MANHOLE", None)
+
class IMAPAuthRealm(object):
"""
@@ -118,6 +121,118 @@ class LeapIMAPFactory(ServerFactory):
return imapProtocol
+MANHOLE_PORT = 2222
+
+
+def getManholeFactory(namespace, user, secret):
+ """
+ Get an administrative manhole into the application.
+
+ :param namespace: the namespace to show in the manhole
+ :type namespace: dict
+ :param user: the user to authenticate into the administrative shell.
+ :type user: str
+ :param secret: pass for this manhole
+ :type secret: str
+ """
+ import string
+
+ from twisted.cred.portal import Portal
+ from twisted.conch import manhole, manhole_ssh
+ from twisted.conch.insults import insults
+ from twisted.cred.checkers import (
+ InMemoryUsernamePasswordDatabaseDontUse as MemoryDB)
+
+ from rlcompleter import Completer
+
+ class EnhancedColoredManhole(manhole.ColoredManhole):
+ """
+ A Manhole with some primitive autocomplete support.
+ """
+ # TODO use introspection to make life easier
+
+ def find_common(self, l):
+ """
+ find common parts in thelist items
+ ex: 'ab' for ['abcd','abce','abf']
+ requires an ordered list
+ """
+ if len(l) == 1:
+ return l[0]
+
+ init = l[0]
+ for item in l[1:]:
+ for i, (x, y) in enumerate(zip(init, item)):
+ if x != y:
+ init = "".join(init[:i])
+ break
+
+ if not init:
+ return None
+ return init
+
+ def handle_TAB(self):
+ """
+ Trap the TAB keystroke
+ """
+ necessarypart = "".join(self.lineBuffer).split(' ')[-1]
+ completer = Completer(globals())
+ if completer.complete(necessarypart, 0):
+ matches = list(set(completer.matches)) # has multiples
+
+ if len(matches) == 1:
+ length = len(necessarypart)
+ self.lineBuffer = self.lineBuffer[:-length]
+ self.lineBuffer.extend(matches[0])
+ self.lineBufferIndex = len(self.lineBuffer)
+ else:
+ matches.sort()
+ commons = self.find_common(matches)
+ if commons:
+ length = len(necessarypart)
+ self.lineBuffer = self.lineBuffer[:-length]
+ self.lineBuffer.extend(commons)
+ self.lineBufferIndex = len(self.lineBuffer)
+
+ self.terminal.nextLine()
+ while matches:
+ matches, part = matches[4:], matches[:4]
+ for item in part:
+ self.terminal.write('%s' % item.ljust(30))
+ self.terminal.write('\n')
+ self.terminal.nextLine()
+
+ self.terminal.eraseLine()
+ self.terminal.cursorBackward(self.lineBufferIndex + 5)
+ self.terminal.write("%s %s" % (
+ self.ps[self.pn], "".join(self.lineBuffer)))
+
+ def keystrokeReceived(self, keyID, modifier):
+ """
+ Act upon any keystroke received.
+ """
+ self.keyHandlers.update({'\b': self.handle_BACKSPACE})
+ m = self.keyHandlers.get(keyID)
+ if m is not None:
+ m()
+ elif keyID in string.printable:
+ self.characterReceived(keyID, False)
+
+ sshRealm = manhole_ssh.TerminalRealm()
+
+ def chainedProtocolFactory():
+ return insults.ServerProtocol(EnhancedColoredManhole, namespace)
+
+ sshRealm = manhole_ssh.TerminalRealm()
+ sshRealm.chainedProtocolFactory = chainedProtocolFactory
+
+ portal = Portal(
+ sshRealm, [MemoryDB(**{user: secret})])
+
+ f = manhole_ssh.ConchFactory(portal)
+ return f
+
+
def run_service(*args, **kwargs):
"""
Main entry point to run the service from the client.
@@ -163,6 +278,16 @@ def run_service(*args, **kwargs):
else:
# all good.
# (the caller has still to call fetcher.start_loop)
+
+ if DO_MANHOLE:
+ # TODO get pass from env var.too.
+ manhole_factory = getManholeFactory(
+ {'f': factory,
+ 'a': factory.theAccount,
+ 'gm': factory.theAccount.getMailbox},
+ "boss", "leap")
+ reactor.listenTCP(MANHOLE_PORT, manhole_factory,
+ interface="127.0.0.1")
logger.debug("IMAP4 Server is RUNNING in port %s" % (port,))
leap_events.signal(IMAP_SERVICE_STARTED, str(port))
return fetcher, tport, factory