OwlCyberSecurity - MANAGER

Edit File: basic.py

# -*- test-case-name: txweb2.test.test_httpauth -*-
##
# Copyright (c) 2006-2009 Twisted Matrix Laboratories.
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# furnished to do so, subject to the following conditions:
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# The above copyright notice and this permission notice shall be included in all
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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##

from twisted.cred import credentials, error
from twisted.internet.defer import succeed, fail
from txweb2.auth.interfaces import ICredentialFactory

from zope.interface import implements

class BasicCredentialFactory(object):
    """
    Credential Factory for HTTP Basic Authentication
    """

implements(ICredentialFactory)

scheme = 'basic'

def __init__(self, realm):
        self.realm = realm

def getChallenge(self, peer):
        """
        @see L{ICredentialFactory.getChallenge}
        """
        return succeed({'realm': self.realm})

def decode(self, response, request):
        """
        Decode the credentials for basic auth.

@see L{ICredentialFactory.decode}
        """
        try:
            creds = (response + '===').decode('base64')
        except:
            raise error.LoginFailed('Invalid credentials')

creds = creds.split(':', 1)
        if len(creds) == 2:
            return succeed(credentials.UsernamePassword(*creds))
        else:
            return fail(error.LoginFailed('Invalid credentials'))