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Viewing changes to Epsilon/epsilon/iepsilon.py

  • Committer: Jean-Paul Calderone
  • Date: 2014-06-29 20:33:04 UTC
  • mfrom: (2749.1.1 remove-epsilon-1325289)
  • Revision ID: exarkun@twistedmatrix.com-20140629203304-gdkmbwl1suei4m97
merge lp:~exarkun/divmod.org/remove-epsilon-1325289

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Epsilon/epsilon/iepsilon.py
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# Copyright (c) 2008 Divmod.  See LICENSE for details.
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"""
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Epsilon interfaces.
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"""
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from zope.interface import Attribute
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from twisted.cred.credentials import ICredentials
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class IOneTimePad(ICredentials):
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    """
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    A type of opaque credential for authenticating users, which can be used
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    only a single time.
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    This interface should also be responsible for authenticating.  See #2784.
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    """
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    padValue = Attribute(
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        """
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        C{str} giving the value of the one-time pad.  The value will be
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        compared by a L{twisted.cred.checkers.ICredentialsChecker} (e.g.
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        L{epsilon.ampauth.OneTimePadChecker}) against all valid one-time pads.
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        If there is a match, login will be successful and the pad will be
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        invalidated (further attempts to use it will fail).
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        """)