def wrapper(self, *args, **kwargs):
""" Verifies the existence and validity of an access token before calling the decorated
handler
Parameters:
:param args: the arguments for the decorated function
:param kwargs: the keyword arguments for the decorated function
Returns:
:return: the decorated function result if the access token was valid; otherwise it
send an error response and returns None
"""
if self.request.method in ["GET", "DELETE"]:
access_token = self.request.get("accessToken")
else:
try:
access_token = loads(self.request.body).get("accessToken")
except ValueError:
access_token = None
if access_token is None or len(access_token) is 0:
self.write_error(401, "No access token provided")
return None
try:
application = get_application_key(access_token)
except (TypeError, ValueError):
self.write_error(401, "Invalid access token")
return None
if application is not None:
return handler_method(self, *args, **kwargs)
else:
self.write_error(401, "Invalid access token")
return None
def __get_application(self):
""" Gets the application that made the current request
Returns:
:return: the application if the access token is valid; None otherwise
"""
if self.request.method in ['GET', 'DELETE']:
access_token = self.request.get('accessToken')
else:
try:
access_token = loads(self.request.body).get('accessToken')
except ValueError:
access_token = None
if access_token is None:
return None
application_key = get_application_key(access_token)
if not application_key:
return None
return Application.get_by_id(application_key)
def __get_application(self):
""" Gets the application that made the current request
Returns:
:return: the application if the access token is valid; None otherwise
"""
if self.request.method in ['GET', 'DELETE']:
access_token = self.request.get('accessToken')
else:
try:
access_token = loads(self.request.body).get('accessToken')
except ValueError:
access_token = None
if access_token is None:
return None
application_key = get_application_key(access_token)
if not application_key:
return None
return Application.get_by_id(application_key)
