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Viewing changes to vendor/Twisted-10.0.0/doc/web/examples/webguard.py

  • Committer: Jesse Andrews
  • Date: 2010-05-28 06:05:26 UTC
  • Revision ID: git-v1:bf6e6e718cdc7488e2da87b21e258ccc065fe499
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vendor/Twisted-10.0.0/doc/web/examples/webguard.py
 
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# Copyright (c) 2008 Twisted Matrix Laboratories.
 
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# See LICENSE for details.
 
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import sys
 
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from zope.interface import implements
 
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from twisted.python import log
 
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from twisted.internet import reactor
 
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from twisted.web import server, resource, guard
 
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from twisted.cred.portal import IRealm, Portal
 
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from twisted.cred.checkers import InMemoryUsernamePasswordDatabaseDontUse
 
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class GuardedResource(resource.Resource):
 
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    """
 
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    A resource which is protected by guard and requires authentication in order
 
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    to access.
 
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    """
 
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    def getChild(self, path, request):
 
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        return self
 
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    def render(self, request):
 
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        return "Authorized!"
 
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class SimpleRealm(object):
 
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    """
 
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    A realm which gives out L{GuardedResource} instances for authenticated
 
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    users.
 
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    """
 
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    implements(IRealm)
 
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    def requestAvatar(self, avatarId, mind, *interfaces):
 
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        if resource.IResource in interfaces:
 
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            return resource.IResource, GuardedResource(), lambda: None
 
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        raise NotImplementedError()
 
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def main():
 
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    log.startLogging(sys.stdout)
 
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    checkers = [InMemoryUsernamePasswordDatabaseDontUse(joe='blow')]
 
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    wrapper = guard.HTTPAuthSessionWrapper(
 
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        Portal(SimpleRealm(), checkers),
 
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        [guard.DigestCredentialFactory('md5', 'example.com')])
 
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    reactor.listenTCP(8889, server.Site(
 
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          resource = wrapper))
 
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    reactor.run()
 
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if __name__ == '__main__':
 
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    main()