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Name	Size	Permission
__pycache__	[ DIR ]	drwxr-xr-x
scripts	[ DIR ]	drwxr-xr-x
test	[ DIR ]	drwxr-xr-x
__init__.py	458 B	-rw-r--r--
_cred.py	2.72 KB	-rw-r--r--
_except.py	8.56 KB	-rw-r--r--
imap4.py	206.31 KB	-rw-r--r--
interfaces.py	31.4 KB	-rw-r--r--
pop3.py	53.66 KB	-rw-r--r--
pop3client.py	45.61 KB	-rw-r--r--
protocols.py	12.35 KB	-rw-r--r--
relay.py	5.24 KB	-rw-r--r--
smtp.py	69.93 KB	-rw-r--r--

Code Editor : _cred.py

# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.

"""
Credential managers for L{twisted.mail}.
"""

from __future__ import absolute_import, division

import hmac

from zope.interface import implementer

from twisted.cred import credentials
from twisted.python.compat import nativeString
from twisted.mail._except import IllegalClientResponse
from twisted.mail.interfaces import IClientAuthentication, IChallengeResponse

@implementer(IClientAuthentication)
class CramMD5ClientAuthenticator:
    def __init__(self, user):
        self.user = user

def getName(self):
        return b"CRAM-MD5"

def challengeResponse(self, secret, chal):
        response = hmac.HMAC(secret, chal).hexdigest().encode('ascii')
        return self.user + b' ' + response

@implementer(IClientAuthentication)
class LOGINAuthenticator:
    def __init__(self, user):
        self.user = user
        self.challengeResponse = self.challengeUsername

def getName(self):
        return b"LOGIN"

def challengeUsername(self, secret, chal):
        # Respond to something like "Username:"
        self.challengeResponse = self.challengeSecret
        return self.user

def challengeSecret(self, secret, chal):
        # Respond to something like "Password:"
        return secret

@implementer(IClientAuthentication)
class PLAINAuthenticator:
    def __init__(self, user):
        self.user = user

def getName(self):
        return b"PLAIN"

def challengeResponse(self, secret, chal):
        return b'\0' + self.user + b'\0' + secret

@implementer(IChallengeResponse)
class LOGINCredentials(credentials.UsernamePassword):
    def __init__(self):
        self.challenges = [b'Password\0', b'User Name\0']
        self.responses = [b'password', b'username']
        credentials.UsernamePassword.__init__(self, None, None)

def getChallenge(self):
        return self.challenges.pop()

def setResponse(self, response):
        setattr(self, nativeString(self.responses.pop()), response)

def moreChallenges(self):
        return bool(self.challenges)

@implementer(IChallengeResponse)
class PLAINCredentials(credentials.UsernamePassword):
    def __init__(self):
        credentials.UsernamePassword.__init__(self, None, None)

def getChallenge(self):
        return b''

def setResponse(self, response):
        parts = response.split(b'\0')
        if len(parts) != 3:
            raise IllegalClientResponse(
                "Malformed Response - wrong number of parts")
        useless, self.username, self.password = parts

def moreChallenges(self):
        return False

__all__ = [
    "CramMD5ClientAuthenticator",
    "LOGINCredentials", "LOGINAuthenticator",
    "PLAINCredentials", "PLAINAuthenticator",
]

${this.title}

Code Editor : _cred.py