def lti_wrapper(*args, **kwargs):
"""
Pass LTI reference to function or return error.
"""
try:
the_lti = LTI(lti_args, lti_kwargs)
the_lti.verify()
kwargs['lti'] = the_lti
old_user = g.user
g.user = User.from_lti("canvas",
session["pylti_user_id"],
session.get("lis_person_contact_email_primary", ""),
session.get("lis_person_name_given", "Canvas"),
session.get("lis_person_name_family", "User"))
g.roles = session["roles"].split(",") if "roles" in session else []
g.course = Course.from_lti("canvas",
session["context_id"],
session.get("context_title", ""),
g.user.id)
session['lti_course'] = g.course.id
g.user.update_roles(g.roles, g.course.id)
if old_user != g.user:
flask_security.utils.logout_user()
flask_security.utils.login_user(g.user, remember = True)
if not old_user:
flask_security.utils.login_user(g.user, remember = True)
except LTIException as lti_exception:
kwargs['lti'] = None
kwargs['lti_exception'] = dict()
kwargs['lti_exception']['exception'] = lti_exception
kwargs['lti_exception']['kwargs'] = kwargs
kwargs['lti_exception']['args'] = args
flash("LTI Error: "+str(lti_exception)+".\nTry reloading!")
return function(*args, **kwargs)
def lti_wrapper(*args, **kwargs):
"""
Pass LTI reference to function or return error.
"""
try:
the_lti = LTI(lti_args, lti_kwargs)
the_lti.verify()
kwargs['lti'] = the_lti
old_user = g.user
g.user = User.from_lti("canvas",
session["pylti_user_id"],
session.get("lis_person_contact_email_primary", ""),
session.get("lis_person_name_given", "Canvas"),
session.get("lis_person_name_family", "User"))
g.roles = session["roles"].split(",") if "roles" in session else []
g.course = Course.from_lti("canvas",
session["context_id"],
session.get("context_title", ""),
g.user.id)
session['lti_course'] = g.course.id
g.user.update_roles(g.roles, g.course.id)
if old_user != g.user:
flask_security.utils.logout_user()
flask_security.utils.login_user(g.user, remember = True)
if not old_user:
flask_security.utils.login_user(g.user, remember = True)
except LTIException as lti_exception:
kwargs['lti'] = None
kwargs['lti_exception'] = dict()
kwargs['lti_exception']['exception'] = lti_exception
kwargs['lti_exception']['kwargs'] = kwargs
kwargs['lti_exception']['args'] = args
flash("LTI Error: "+str(lti_exception)+".\nTry reloading!")
return function(*args, **kwargs)
def ensure_canvas_arguments():
'''
Translates the current session data into a valid user
'''
user = User.from_lti("canvas", session["pylti_user_id"],
session.get("lis_person_contact_email_primary", ""),
session.get("lis_person_name_given", "Canvas"),
session.get("lis_person_name_family", "User"))
if "roles" in session:
roles = session["roles"].split(",")
else:
roles = []
course = Course.from_lti("canvas", session["context_id"],
session.get("context_title", ""), user.id)
return user, roles, course
def ensure_canvas_arguments():
'''
Translates the current session data into a valid user
'''
user = User.from_lti("canvas",
session["pylti_user_id"],
session.get("lis_person_contact_email_primary", ""),
session.get("lis_person_name_given", "Canvas"),
session.get("lis_person_name_family", "User"))
if "roles" in session:
roles = session["roles"].split(",")
else:
roles = []
course = Course.from_lti("canvas",
session["context_id"],
session.get("context_title", ""),
user.id)
return user, roles, course
