diff options
| -rw-r--r-- | mail/src/leap/mail/imap/service/imap.py | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/mail/src/leap/mail/imap/service/imap.py b/mail/src/leap/mail/imap/service/imap.py index 8350988..8b95f75 100644 --- a/mail/src/leap/mail/imap/service/imap.py +++ b/mail/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 |