8 files changed, 0 insertions, 681 deletions
diff --git a/src/leap/email/smtp/README b/src/leap/email/smtp/README
deleted file mode 100644
index 2b2a1180..00000000
--- a/src/leap/email/smtp/README
+++ /dev/null
@@ -1,43 +0,0 @@
-Leap SMTP Relay
-===============
-
-Outgoing mail workflow:
-
-    * LEAP client runs a thin SMTP proxy on the user's device, bound to
-      localhost.
-    * User's MUA is configured outgoing SMTP to localhost
-    * When SMTP proxy receives an email from MUA
-        * SMTP proxy queries Key Manager for the user's private key and public
-          keys of all recipients
-        * Message is signed by sender and encrypted to recipients.
-        * If recipient's key is missing, email goes out in cleartext (unless
-          user has configured option to send only encrypted email)
-        * Finally, message is relayed to provider's SMTP relay
-
-
-Dependencies
-------------
-
-Leap SMTP Relay depends on the following python libraries:
-
-  * Twisted 12.3.0 [1]
-  * zope.interface 4.0.3 [2]
-
-[1] http://pypi.python.org/pypi/Twisted/12.3.0
-[2] http://pypi.python.org/pypi/zope.interface/4.0.3
-
-
-How to run
-----------
-
-To launch the SMTP relay, run the following command:
-
-  twistd -y smtprelay.tac
-
-
-Running tests
--------------
-
-Tests are run using Twisted's Trial API, like this:
-
-  trial leap.email.smtp.tests
diff --git a/src/leap/email/smtp/__init__.py b/src/leap/email/smtp/__init__.py
deleted file mode 100644
index e69de29b..00000000
--- a/src/leap/email/smtp/__init__.py
+++ /dev/null
diff --git a/src/leap/email/smtp/smtprelay.py b/src/leap/email/smtp/smtprelay.py
deleted file mode 100644
index 7a647717..00000000
--- a/src/leap/email/smtp/smtprelay.py
+++ /dev/null
@@ -1,207 +0,0 @@
-import re
-import gnupg
-from zope.interface import implements
-from StringIO import StringIO
-from twisted.mail import smtp
-from twisted.internet.protocol import ServerFactory
-from twisted.internet import reactor
-from twisted.internet import defer
-from twisted.application import internet, service
-from twisted.python import log
-from email.Header import Header
-
-
-class SMTPFactory(ServerFactory):
-    """
-    Factory for an SMTP server with encrypted relaying capabilities.
-    """
-
-    def __init__(self, gpg=None):
-        self._gpg = gpg
-
-    def buildProtocol(self, addr):
-        "Return a protocol suitable for the job."
-        # TODO: use ESMTP here.
-        smtpProtocol = smtp.SMTP(SMTPDelivery(self._gpg))
-        smtpProtocol.factory = self
-        return smtpProtocol
-
-
-class SMTPDelivery(object):
-    """
-    Validate email addresses and handle message delivery.
-    """
-
-    implements(smtp.IMessageDelivery)
-
-    def __init__(self, gpg=None):
-        if gpg:
-            self._gpg = gpg
-        else:
-            self._gpg = GPGWrapper()
-
-    def receivedHeader(self, helo, origin, recipients):
-        myHostname, clientIP = helo
-        headerValue = "by %s from %s with ESMTP ; %s" % (
-            myHostname, clientIP, smtp.rfc822date())
-        # email.Header.Header used for automatic wrapping of long lines
-        return "Received: %s" % Header(headerValue)
-
-    def validateTo(self, user):
-        """Assert existence of and trust on recipient's GPG public key."""
-        # try to find recipient's public key
-        try:
-            # this will raise an exception if key is not found
-            trust = self._gpg.find_key(user.dest.addrstr)['trust']
-            # if key is not ultimatelly trusted, then the message will not
-            # be encrypted. So, we check for this below
-            #if trust != 'u':
-            #    raise smtp.SMTPBadRcpt(user)
-            log.msg("Accepting mail for %s..." % user.dest)
-            return lambda: EncryptedMessage(user, gpg=self._gpg)
-        except LookupError:
-            raise smtp.SMTPBadRcpt(user)
-
-    def validateFrom(self, helo, originAddress):
-        # accept mail from anywhere. To reject an address, raise
-        # smtp.SMTPBadSender here.
-        return originAddress
-
-
-class EncryptedMessage():
-    """
-    Receive plaintext from client, encrypt it and send message to a
-    recipient.
-    """
-    implements(smtp.IMessage)
-
-    SMTP_HOSTNAME = "mail.riseup.net"
-    SMTP_PORT = 25
-
-    def __init__(self, user, gpg=None):
-        self.user = user
-        self.getSMTPInfo()
-        self.lines = []
-        if gpg:
-            self._gpg = gpg
-        else:
-            self._gpg = GPGWrapper()
-
-    def lineReceived(self, line):
-        """Store email DATA lines as they arrive."""
-        self.lines.append(line)
-
-    def eomReceived(self):
-        """Encrypt and send message."""
-        log.msg("Message data complete.")
-        self.lines.append('')  # add a trailing newline
-        self.parseMessage()
-        try:
-            self.encrypt()
-            return self.sendMessage()
-        except LookupError:
-            return None
-
-    def parseMessage(self):
-        """Separate message headers from body."""
-        sep = self.lines.index('')
-        self.headers = self.lines[:sep]
-        self.body = self.lines[sep+1:]
-
-    def connectionLost(self):
-        log.msg("Connection lost unexpectedly!")
-        log.err()
-        # unexpected loss of connection; don't save
-        self.lines = []
-
-    def sendSuccess(self, r):
-        log.msg(r)
-
-    def sendError(self, e):
-        log.msg(e)
-        log.err()
-
-    def prepareHeader(self):
-        self.headers.insert(1, "From: %s" % self.user.orig.addrstr)
-        self.headers.insert(2, "To: %s" % self.user.dest.addrstr)
-        self.headers.append('')
-
-    def sendMessage(self):
-        self.prepareHeader()
-        msg = '\n'.join(self.headers+[self.cyphertext])
-        d = defer.Deferred()
-        factory = smtp.ESMTPSenderFactory(self.smtp_username,
-                                          self.smtp_password,
-                                          self.smtp_username,
-                                          self.user.dest.addrstr,
-                                          StringIO(msg),
-                                          d)
-        # the next call is TSL-powered!
-        reactor.connectTCP(self.SMTP_HOSTNAME, self.SMTP_PORT, factory)
-        d.addCallback(self.sendSuccess)
-        d.addErrback(self.sendError)
-        return d
-
-    def encrypt(self, always_trust=True):
-        # TODO: do not "always trust" here.
-        fp = self._gpg.find_key(self.user.dest.addrstr)['fingerprint']
-        log.msg("Encrypting to %s" % fp)
-        self.cyphertext = str(self._gpg.encrypt('\n'.join(self.body), [fp],
-                                                always_trust=always_trust))
-
-    # this will be replaced by some other mechanism of obtaining credentials
-    # for SMTP server.
-    def getSMTPInfo(self):
-        #f = open('/media/smtp-info.txt', 'r')
-        #self.smtp_host = f.readline().rstrip()
-        #self.smtp_port = f.readline().rstrip()
-        #self.smtp_username = f.readline().rstrip()
-        #self.smtp_password = f.readline().rstrip()
-        #f.close()
-        self.smtp_host = ''
-        self.smtp_port = ''
-        self.smtp_username = ''
-        self.smtp_password = ''
-
-
-class GPGWrapper():
-    """
-    This is a temporary class for handling GPG requests, and should be
-    replaced by a more general class used throughout the project.
-    """
-
-    GNUPG_HOME = "~/.config/leap/gnupg"
-    GNUPG_BINARY = "/usr/bin/gpg"  # TODO: change this based on OS
-
-    def __init__(self, gpghome=GNUPG_HOME, gpgbinary=GNUPG_BINARY):
-        self.gpg = gnupg.GPG(gnupghome=gpghome, gpgbinary=gpgbinary)
-
-    def find_key(self, email):
-        """
-        Find user's key based on their email.
-        """
-        for key in self.gpg.list_keys():
-            for uid in key['uids']:
-                if re.search(email, uid):
-                    return key
-        raise LookupError("GnuPG public key for %s not found!" % email)
-
-    def encrypt(self, data, recipient, always_trust=True):
-        # TODO: do not 'always_trust'.
-        return self.gpg.encrypt(data, recipient, always_trust=always_trust)
-
-    def decrypt(self, data):
-        return self.gpg.decrypt(data)
-
-    def import_keys(self, data):
-        return self.gpg.import_keys(data)
-
-
-# service configuration
-port = 25
-factory = SMTPFactory()
-
-# these enable the use of this service with twistd
-application = service.Application("LEAP SMTP Relay")
-service = internet.TCPServer(port, factory)
-service.setServiceParent(application)
diff --git a/src/leap/email/smtp/tests/185CA770.key b/src/leap/email/smtp/tests/185CA770.key
deleted file mode 100644
index 587b4164..00000000
--- a/src/leap/email/smtp/tests/185CA770.key
+++ /dev/null
@@ -1,79 +0,0 @@
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-Version: GnuPG v1.4.10 (GNU/Linux)
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diff --git a/src/leap/email/smtp/tests/185CA770.pub b/src/leap/email/smtp/tests/185CA770.pub
deleted file mode 100644
index 38af19f8..00000000
--- a/src/leap/email/smtp/tests/185CA770.pub
+++ /dev/null
@@ -1,52 +0,0 @@
------BEGIN PGP PUBLIC KEY BLOCK-----
-Version: GnuPG v1.4.10 (GNU/Linux)
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-q3iu
-=RChS
------END PGP PUBLIC KEY BLOCK-----
diff --git a/src/leap/email/smtp/tests/__init__.py b/src/leap/email/smtp/tests/__init__.py
deleted file mode 100644
index 022968e1..00000000
--- a/src/leap/email/smtp/tests/__init__.py
+++ /dev/null
@@ -1,215 +0,0 @@
-import os
-import shutil
-import tempfile
-from leap.email.smtp.smtprelay import GPGWrapper
-from twisted.trial import unittest
-from leap.testing.basetest import BaseLeapTest
-
-
-class OpenPGPTestCase(unittest.TestCase, BaseLeapTest):
-
-    def setUp(self):
-        # mimic LeapBaseTest.setUpClass behaviour, because this is deprecated
-        # in Twisted: http://twistedmatrix.com/trac/ticket/1870
-        self.old_path = os.environ['PATH']
-        self.old_home = os.environ['HOME']
-        self.tempdir = tempfile.mkdtemp(prefix="leap_tests-")
-        self.home = self.tempdir
-        bin_tdir = os.path.join(
-            self.tempdir,
-            'bin')
-        os.environ["PATH"] = bin_tdir
-        os.environ["HOME"] = self.tempdir
-        # setup our own stuff
-        self.gnupg_home = self.tempdir + '/gnupg'
-        os.mkdir(self.gnupg_home)
-        self.email = 'leap@leap.se'
-        self._gpg = GPGWrapper(gpghome=self.gnupg_home)
-
-        self.assertEqual(self._gpg.import_keys(PUBLIC_KEY).summary(),
-                         '1 imported', "error importing public key")
-        self.assertEqual(self._gpg.import_keys(PRIVATE_KEY).summary(),
-                         # note that gnupg does not return a successful import
-                         # for private keys. Bug?
-                         '0 imported', "error importing private key")
-
-    def tearDown(self):
-        # mimic LeapBaseTest.tearDownClass behaviour
-        os.environ["PATH"] = self.old_path
-        os.environ["HOME"] = self.old_home
-        # safety check
-        assert self.tempdir.startswith('/tmp/leap_tests-')
-        shutil.rmtree(self.tempdir)
-
-    def test_openpgp_encrypt_decrypt(self):
-        text = "simple raw text"
-        encrypted = str(self._gpg.encrypt(text, KEY_FINGERPRINT,
-                                          # TODO: handle always trust issue
-                                          always_trust=True))
-        self.assertNotEqual(text, encrypted, "failed encrypting text")
-        decrypted = str(self._gpg.decrypt(encrypted))
-        self.assertEqual(text, decrypted, "failed decrypting text")
-
-
-# Key material for testing
-KEY_FINGERPRINT = "E36E738D69173C13D709E44F2F455E2824D18DDF"
-PUBLIC_KEY = """
------BEGIN PGP PUBLIC KEY BLOCK-----
-Version: GnuPG v1.4.10 (GNU/Linux)
-
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-ZtQ/VymwFL3XdUWV6B/hU4PVAFvO3qlOtdJ6TpE+nEWgcWjCv5g7RjXX
-=MuOY
------END PGP PUBLIC KEY BLOCK-----
-"""
-PRIVATE_KEY = """
------BEGIN PGP PRIVATE KEY BLOCK-----
-Version: GnuPG v1.4.10 (GNU/Linux)
-
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-KXpIgdinM/wUzHJ5pZyF2U/qejsRj8Kw8KH/tfX4JCLhiaP/mgeTuWGDHeZQERAT
-xPmRFHaLP9/ZhvGNh6okIYtrKjWTLGoXvKLHcrKNisBLSq+P2WeFrlme1vjvJMo/
-jPwLT5o9CADQmcbKZ+QQ1ZM9v99iDZol7SAMZX43JC019sx6GK0u6xouJBcLfeB4
-OXacTgmSYdTa9RM9fbfVpti01tJ84LV2SyL/VJq/enJF4XQPSynT/tFTn1PAor6o
-tEAAd8fjKdJ6LnD5wb92SPHfQfXqI84rFEO8rUNIE/1ErT6DYifDzVCbfD2KZdoF
-cOSp7TpD77sY1bs74ocBX5ejKtd+aH99D78bJSMM4pSDZsIEwnomkBHTziubPwJb
-OwnATy0LmSMAWOw5rKbsh5nfwCiUTM20xp0t5JeXd+wPVWbpWqI2EnkCEN+RJr9i
-7dp/ymDQ+Yt5wrsN3NwoyiexPOG91WQVCADdErHsnglVZZq9Z8Wx7KwecGCUurJ2
-H6lKudv5YOxPnAzqZS5HbpZd/nRTMZh2rdXCr5m2YOuewyYjvM757AkmUpM09zJX
-MQ1S67/UX2y8/74TcRF97Ncx9HeELs92innBRXoFitnNguvcO6Esx4BTe1OdU6qR
-ER3zAmVf22Le9ciXbu24DN4mleOH+OmBx7X2PqJSYW9GAMTsRB081R6EWKH7romQ
-waxFrZ4DJzZ9ltyosEJn5F32StyLrFxpcrdLUoEaclZCv2qka7sZvi0EvovDVEBU
-e10jOx9AOwf8Gj2ufhquQ6qgVYCzbP+YrodtkFrXRS3IsljIchj1M2ffB/0bfoUs
-rtER9pLvYzCjBPg8IfGLw0o754Qbhh/ReplCRTusP/fQMybvCvfxreS3oyEriu/G
-GufRomjewZ8EMHDIgUsLcYo2UHZsfF7tcazgxMGmMvazp4r8vpgrvW/8fIN/6Adu
-tF+WjWDTvJLFJCe6O+BFJOWrssNrrra1zGtLC1s8s+Wfpe+bGPL5zpHeebGTwH1U
-22eqgJArlEKxrfarz7W5+uHZJHSjF/K9ZvunLGD0n9GOPMpji3UO3zeM8IYoWn7E
-/EWK1XbjnssNemeeTZ+sDh+qrD7BOi+vCX1IyBxbfqnQfJZvmcPWpruy1UsO+aIC
-0GY8Jr3OL69dDQ21jueJAh8EGAEIAAkFAlC9+dkCGwwACgkQL0VeKCTRjd9HCw/+
-LQSVgLLF4ulYlPCjWIIuQwrPbJfWUVVr2dPUFVM85DCv8gBzk5c121snXh9Swovm
-laBbw6ate3BmbXLh64jVE9Za5sbTWi7PCcbO/bpRy4d6oLmitmNw6cq0vjTLxUYy
-bwuiJxWREkfxuU85EKdouN062YDevH+/YResmlJrcCE7LRlJFeRlKsrrwBU3BqYd
-GgFJjKjQC1peeQ9fj62Y7xfwE9+PXbkiWO5u/Bk8hb1VZH1SoIRU98NHVcp6BVvp
-VK0jLAXuSauSczULmpRjbyt1lhaAqivDTWEEZXiNNbRyp17c3nVdPWOcgBr42hdQ
-z25CgZgyLCsvu82wuXLKJblrIPJX3Yf+si6KqEWBsmwdOWybsjygaF5HvzgFqAAD
-U0goPWoQ71PorP2XOUNp5ZLkBQp5etvtkksjVNMIhnHn8PGMuoxO39EUGlWj2B5l
-Cu8tSosAzB1pS8NcLZzoNoI9dOHrmgJmP+GrOUkcf5GhNZbMoj4GNfGBRYX0SZlQ
-GuDrwNKYj73C4MWyNnnUFyq8nDHJ/G1NpaF2hiof9RBL4PUU/f92JkceXPBXA8gL
-Mz2ig1OButwPPLFGQhWqxXAGrsS3Ny+BhTJfnfIbbkaLLphBpDZm1D9XKbAUvdd1
-RZXoH+FTg9UAW87eqU610npOkT6cRaBxaMK/mDtGNdc=
-=JTFu
------END PGP PRIVATE KEY BLOCK-----
-"""
diff --git a/src/leap/email/smtp/tests/mail.txt b/src/leap/email/smtp/tests/mail.txt
deleted file mode 100644
index 95420470..00000000
--- a/src/leap/email/smtp/tests/mail.txt
+++ /dev/null
@@ -1,10 +0,0 @@
-HELO drebs@riseup.net
-MAIL FROM: drebs@riseup.net
-RCPT TO: drebs@riseup.net
-RCPT TO: drebs@leap.se
-DATA
-Subject: leap test
-
-Hello world!
-.
-QUIT
diff --git a/src/leap/email/smtp/tests/test_smtprelay.py b/src/leap/email/smtp/tests/test_smtprelay.py
deleted file mode 100644
index 109e253b..00000000
--- a/src/leap/email/smtp/tests/test_smtprelay.py
+++ /dev/null
@@ -1,75 +0,0 @@
-from datetime import datetime
-import re
-from leap.email.smtp.smtprelay import (
-    SMTPFactory,
-    #SMTPDelivery, # an object
-    EncryptedMessage,
-)
-from leap.email.smtp import tests
-from twisted.test import proto_helpers
-from twisted.mail.smtp import User
-
-
-# some regexps
-IP_REGEX = "(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}" + \
-    "([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])"
-HOSTNAME_REGEX = "(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*" + \
-    "([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])"
-IP_OR_HOST_REGEX = '(' + IP_REGEX + '|' + HOSTNAME_REGEX + ')'
-
-
-class TestSmtpRelay(tests.OpenPGPTestCase):
-
-    EMAIL_DATA = ['HELO relay.leap.se',
-                  'MAIL FROM: <user@leap.se>',
-                  'RCPT TO: <leap@leap.se>',
-                  'DATA',
-                  'From: User <user@leap.se>',
-                  'To: Leap <leap@leap.se>',
-                  'Date: ' + datetime.now().strftime('%c'),
-                  'Subject: test message',
-                  '',
-                  'This is a secret message.',
-                  'Yours,',
-                  'A.',
-                  '',
-                  '.',
-                  'QUIT']
-
-    def assertMatch(self, string, pattern, msg=None):
-        if not re.match(pattern, string):
-            msg = self._formatMessage(msg, '"%s" does not match pattern "%s".'
-                                           % (string, pattern))
-            raise self.failureException(msg)
-
-    def test_relay_accepts_valid_email(self):
-        """
-        Test if SMTP server responds correctly for valid interaction.
-        """
-
-        SMTP_ANSWERS = ['220 ' + IP_OR_HOST_REGEX +
-                        ' NO UCE NO UBE NO RELAY PROBES',
-                        '250 ' + IP_OR_HOST_REGEX + ' Hello ' +
-                        IP_OR_HOST_REGEX + ', nice to meet you',
-                        '250 Sender address accepted',
-                        '250 Recipient address accepted',
-                        '354 Continue']
-        proto = SMTPFactory(self._gpg).buildProtocol(('127.0.0.1', 0))
-        transport = proto_helpers.StringTransport()
-        proto.makeConnection(transport)
-        for i, line in enumerate(self.EMAIL_DATA):
-            proto.lineReceived(line + '\r\n')
-            self.assertMatch(transport.value(),
-                             '\r\n'.join(SMTP_ANSWERS[0:i+1]))
-        proto.setTimeout(None)
-
-    def test_message_encrypt(self):
-        proto = SMTPFactory(self._gpg).buildProtocol(('127.0.0.1', 0))
-        user = User('leap@leap.se', 'relay.leap.se', proto, 'leap@leap.se')
-        m = EncryptedMessage(user, self._gpg)
-        for line in self.EMAIL_DATA[4:12]:
-            m.lineReceived(line)
-        m.parseMessage()
-        m.encrypt()
-        decrypted = str(self._gpg.decrypt(m.cyphertext))
-        self.assertEqual('\n'.join(self.EMAIL_DATA[9:12]), decrypted)