def __nonzero__(self):
nz = bool(self.data)
if not nz:
# maybe higher-level utility's annotations will be non-zero
next = queryNextUtility(self, IPrincipalAnnotationUtility)
if next is not None:
annotations = next.getAnnotationsById(self.principalId)
return bool(next)
return nz
def __getitem__(self, key):
try:
return self.data[key]
except KeyError:
# We failed locally: delegate to a higher-level utility.
next = queryNextUtility(self, IPrincipalAnnotationUtility)
if next is not None:
annotations = next.getAnnotationsById(self.principalId)
return annotations[key]
raise
def getPrincipal(self, id):
if not id.startswith(self.prefix):
next = queryNextUtility(self, IAuthentication)
if next is None:
raise PrincipalLookupError(id)
return next.getPrincipal(id)
id = id[len(self.prefix):]
for name, authplugin in self.getAuthenticatorPlugins():
info = authplugin.principalInfo(id)
if info is None:
continue
info.credentialsPlugin = None
info.authenticatorPlugin = authplugin
principal = interfaces.IFoundPrincipalFactory(info)(self)
principal.id = self.prefix + info.id
return principal
next = queryNextUtility(self, IAuthentication)
if next is not None:
return next.getPrincipal(self.prefix + id)
raise PrincipalLookupError(id)
def logout(self, request):
challengeProtocol = None
for name, credplugin in self.getCredentialsPlugins():
protocol = getattr(credplugin, 'challengeProtocol', None)
if challengeProtocol is None or protocol == challengeProtocol:
if credplugin.logout(request):
if protocol is None:
return
elif challengeProtocol is None:
challengeProtocol = protocol
if challengeProtocol is None:
next = queryNextUtility(self, IAuthentication)
if next is not None:
next.logout(request)