def test_launch():
consumer_key = 'key1'
consumer_secret = 'secret1'
launch_url = 'http://localhost:8000/hub/lti/launch'
headers = {}
oauth_timestamp = time.time()
oauth_nonce = str(time.time())
extra_args = {'arg1': 'value1'}
args = make_args(consumer_key, consumer_secret, launch_url,
oauth_timestamp, oauth_nonce, extra_args)
validator = LTILaunchValidator({consumer_key: consumer_secret})
assert validator.validate_launch_request(launch_url, headers, args)
def test_wrong_secret():
consumer_key = 'key1'
consumer_secret = 'secret1'
launch_url = 'http://localhost:8000/hub/lti/launch'
headers = {}
oauth_timestamp = time.time()
oauth_nonce = str(time.time())
extra_args = {'arg1': 'value1'}
args = make_args(consumer_key, consumer_secret, launch_url,
oauth_timestamp, oauth_nonce, extra_args)
validator = LTILaunchValidator({consumer_key: 'wrongsecret'})
with pytest.raises(web.HTTPError):
validator.validate_launch_request(launch_url, headers, args)
def test_dubious_extra_args():
consumer_key = 'key1'
consumer_secret = 'secret1'
launch_url = 'http://localhost:8000/hub/lti/launch'
headers = {}
oauth_timestamp = time.time()
oauth_nonce = str(time.time())
extra_args = {'arg1': 'value1'}
args = make_args(consumer_key, consumer_secret, launch_url,
oauth_timestamp, oauth_nonce, extra_args)
validator = LTILaunchValidator({consumer_key: consumer_secret})
assert validator.validate_launch_request(launch_url, headers, args)
args['extra_credential'] = 'i have admin powers'
with pytest.raises(web.HTTPError):
validator.validate_launch_request(launch_url, headers, args)
def test_partial_replay_timestamp():
consumer_key = 'key1'
consumer_secret = 'secret1'
launch_url = 'http://localhost:8000/hub/lti/launch'
headers = {}
oauth_timestamp = time.time()
oauth_nonce = str(time.time())
extra_args = {'arg1': 'value1'}
args = make_args(consumer_key, consumer_secret, launch_url,
oauth_timestamp, oauth_nonce, extra_args)
validator = LTILaunchValidator({consumer_key: consumer_secret})
assert validator.validate_launch_request(launch_url, headers, args)
args['oauth_timestamp'] = str(int(float(args['oauth_timestamp'])) - 1)
with pytest.raises(web.HTTPError):
validator.validate_launch_request(launch_url, headers, args)