def log_in_with_lti(self, user=None, password=None, lti_params=None):
"""Log a user in with fake LTI data."""
if user is None:
user = self.user
if lti_params is None:
lti_params = self.LTI_PARAMS.copy()
lti_params['lis_person_sourcedid'] = user.username
lti_params['lis_person_contact_email_primary'] = user.email
lti_params['custom_assignment_id'] = unicode(self.assignment.pk)
lti_params['custom_question_id'] = unicode(self.question.pk)
LtiUserData.store_lti_parameters(user, LTIView.authentication_manager, lti_params)
self.client.login(username=user.username, password=password or 'test')
def log_in_with_lti(self, user=None, password=None, lti_params=None):
"""Log a user in with fake LTI data."""
if user is None:
user = self.user
if lti_params is None:
lti_params = self.LTI_PARAMS.copy()
lti_params['lis_person_sourcedid'] = user.username
lti_params['lis_person_contact_email_primary'] = user.email
lti_params['custom_assignment_id'] = unicode(self.assignment.pk)
lti_params['custom_question_id'] = unicode(self.question.pk)
LtiUserData.store_lti_parameters(user, LTIView.authentication_manager,
lti_params)
self.client.login(username=user.username, password=password or 'test')
2. This is OpenID redirect from edx if actual LTI request was send anonymously - already validated
LTI parameters and stored them in session - take them from session
When lti parameters are ready (either taken from session or parsed and validated from request) store them
in DB for later
"""
if cls.SESSION_KEY in request.session and not cls._is_new_lti_request(
request):
lti_parameters = request.session[cls.SESSION_KEY]
del request.session[cls.SESSION_KEY]
else:
try:
lti_parameters = cls._get_lti_parameters_from_request(request)
except oauth2.Error, e:
_logger.exception(u"Invalid LTI Request")
return HttpResponseBadRequest(u"Invalid LTI Request: " +
e.message)
lti_data = LtiUserData.store_lti_parameters(
request.user, cls.authentication_manager,
cls.lti_param_filter(lti_parameters))
Signals.LTI.received.send(cls, user=request.user, lti_data=lti_data)
return HttpResponseRedirect(
cls.authentication_manager.authenticated_redirect_to(
request, lti_parameters))
@classmethod
def _is_new_lti_request(cls, request):
return 'lis_result_sourcedid' in request.POST
def process_authenticated_lti(cls, request):
"""
There are two options:
1. This is actual LTI request made with cookies already set - need parsing and validating LTI parameters
2. This is OpenID redirect from edx if actual LTI request was send anonymously - already validated
LTI parameters and stored them in session - take them from session
When lti parameters are ready (either taken from session or parsed and validated from request) store them
in DB for later
"""
if cls.SESSION_KEY in request.session and not cls._is_new_lti_request(request):
lti_parameters = request.session[cls.SESSION_KEY]
del request.session[cls.SESSION_KEY]
else:
try:
lti_parameters = cls._get_lti_parameters_from_request(request)
except oauth2.Error, e:
_logger.exception(u"Invalid LTI Request")
return HttpResponseBadRequest(u"Invalid LTI Request: " + e.message)
lti_data = LtiUserData.store_lti_parameters(
request.user, cls.authentication_manager, cls.lti_param_filter(lti_parameters)
)
Signals.LTI.received.send(cls, user=request.user, lti_data=lti_data)
return HttpResponseRedirect(cls.authentication_manager.authenticated_redirect_to(request, lti_parameters))
@classmethod
def _is_new_lti_request(cls, request):
return 'lis_result_sourcedid' in request.POST