def authenticate(self, handler, data):
username = data['username']
password = data['password']
self.log.debug("Server address:", self.server_address)
self.log.debug("Service address:", self.service_address)
# No empty passwords!
if password is None or password.strip() == '':
self.log.warn('username:%s Login denied for blank password',
username)
return None
try:
caslib.login_to_cas_service(self.server_address, username,
password, self.service_address)
return username
except Exception as e:
return None
def get_user_data(self, username=None, email=None, global_id=None, database_id=None):
'''Try to retrieve user profile information for a user'''
scheme, host, path, params, query, fragment = urlparse(self.url)
if username:
query = urlencode([('userByAccountNameEquals', username)], True)
elif email:
query = urlencode([('userByEmailAddressEquals', email)], True)
elif global_id:
query = urlencode([('userByGlobalId', global_id)], True)
elif database_id:
query = urlencode([('userById', database_id)], True)
else:
raise TypeError('%s.get_user_data requires a username or database_id keyword argument' % type(self).__name__)
url = urlunparse((scheme, host, path, params, query, fragment))
_log.info('Retrieving user profile for: %s', username or '#%s' % database_id)
try:
user_data = self._get_user_data(url)
except TryAuthenticating, e:
# TryAuthenticating may be a good idea, better tell an adult!
if not e.login_url or not self.username:
_log.exception(e)
raise
# This may raise a URLError or CASLoginError. There's nothing much
# to be done about it though, so I'm not handling it.
_log.info('Failed: %s', e)
# FIXME: It would be good to check that we haven't been redirected
# someplace strange before we send off our credentials. Hopefully
# certificate validation will lessen this possibility.
login_to_cas_service(e.login_url, self.username, self.password, opener=self.opener)
# If that worked, then give it another go
user_data = self._get_user_data(url)
def cas_renew(self):
"""Renew CAS login.
Returns :
file_obj - a file handle with the result
url_obj: urllib2 opener with cookiejar
"""
self._file_obj, self._url_obj = caslib.login_to_cas_service(
self.get_login_url(renew=True),
self._username,
self._password)
# add handler for POST requests (used by cmd_create_file)
self._url_obj.add_handler(MultipartPostHandler.MultipartPostHandler())
# with renew the ticket changed, update it
self._set_ticket()
def cas_login(self):
"""Login to CAS using the supplied username/password.
Returns :
file_obj - a file handle with the result
url_obj: urllib2 opener with cookiejar
"""
self._file_obj, self._url_obj = caslib.login_to_cas_service(
self.get_login_url(),
self._username,
self._password)
# add handler for POST requests (used by cmd_create_file)
self._url_obj.add_handler(MultipartPostHandler.MultipartPostHandler())
# set the cas ticket for quick access
self._set_ticket()
