# Copyright (c) Twisted Matrix Laboratories. # See LICENSE for details. """ This example shows how to make simple web authentication. To run the example: $ python webguard.py When you visit http://127.0.0.1:8889/, the page will ask for an username & password. See the code in main() to get the correct username & password! """ import sys from zope.interface import implementer from twisted.python import log from twisted.internet import reactor from twisted.web import server, resource, guard from twisted.cred.portal import IRealm, Portal from twisted.cred.checkers import InMemoryUsernamePasswordDatabaseDontUse class GuardedResource(resource.Resource): """ A resource which is protected by guard and requires authentication in order to access. """ def getChild(self, path, request): return self def render(self, request): return "Authorized!" @implementer(IRealm) class SimpleRealm(object): """ A realm which gives out L{GuardedResource} instances for authenticated users. """ def requestAvatar(self, avatarId, mind, *interfaces): if resource.IResource in interfaces: return resource.IResource, GuardedResource(), lambda: None raise NotImplementedError() def main(): log.startLogging(sys.stdout) checkers = [InMemoryUsernamePasswordDatabaseDontUse(joe='blow')] wrapper = guard.HTTPAuthSessionWrapper( Portal(SimpleRealm(), checkers), [guard.DigestCredentialFactory('md5', 'example.com')]) reactor.listenTCP(8889, server.Site( resource = wrapper)) reactor.run() if __name__ == '__main__': main()