Ausgabe der neuen DB Einträge

venv/lib/python3.9/site-packages/twisted/mail/_cred.py

@@ -0,0 +1,122 @@
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+
+"""
+Credential managers for L{twisted.mail}.
+"""
+
+from __future__ import absolute_import, division
+
+import hmac
+import hashlib
+
+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, digestmod=hashlib.md5).hexdigest()
+        return self.user + b' ' + response.encode('ascii')
+
+
+
+@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",
+]