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CustomMemoryPasswordDB.py
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CustomMemoryPasswordDB.py
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from zope.interface import implements, Interface, Attribute
from twisted.internet import defer
from twisted.python import failure, log
from twisted.cred import error, credentials
class ICredentialsChecker(Interface):
"""
An object that can check sub-interfaces of ICredentials.
"""
credentialInterfaces = Attribute(
'A list of sub-interfaces of ICredentials which specifies which I may check.')
def requestAvatarId(credentials):
"""
@param credentials: something which implements one of the interfaces in
self.credentialInterfaces.
@return: a Deferred which will fire a string which identifies an
avatar, an empty tuple to specify an authenticated anonymous user
(provided as checkers.ANONYMOUS) or fire a Failure(UnauthorizedLogin).
Alternatively, return the result itself.
@see: L{twisted.cred.credentials}
"""
class CustomMemoryPwDB:
implements(ICredentialsChecker)
credentialInterfaces = (credentials.IUsernamePassword,
credentials.IUsernameHashedPassword)
passwords=[]
def __init__(self, **users):
self.users = users
def addPW(self,pw):
self.passwords.append(pw)
def addUser(self, username, password):
self.users[username] = password
def requestAvatarId(self, credentials):
print credentials.password
if credentials.username in self.users and credentials.password in self.passwords:
return True
else:
return defer.fail(error.UnauthorizedLogin())