def lti_launch(self, lti_consumer, lti_resource_link_id,
assignment_uuid=None, query_assignment_uuid=None,
nonce=None, timestamp=None, follow_redirects=True,
invalid_launch=False, **kwargs):
launch_url = "http://localhost/api/lti/auth"
oauth_signature = kwargs.pop('oauth_signature', None)
launch_params = kwargs.copy()
launch_params['resource_link_id'] = lti_resource_link_id
if assignment_uuid:
launch_params['custom_assignment'] = assignment_uuid
if query_assignment_uuid:
launch_url = launch_url+"?assignment="+query_assignment_uuid
# add basic required launch parameters
if not 'lti_version' in launch_params:
launch_params['lti_version'] = "LTI-1p0"
if not 'lti_message_type' in launch_params:
launch_params['lti_message_type'] = "basic-lti-launch-request"
if 'roles' in launch_params and launch_params.get('roles') == None:
launch_params.pop('roles')
tool_consumer = ToolConsumer(
lti_consumer.oauth_consumer_key,
lti_consumer.oauth_consumer_secret,
params=launch_params,
launch_url=launch_url
)
# overwrite lti_version and lti_message_type if needed (set by lti.LaunchParams)
if 'lti_version' in launch_params and launch_params.get('lti_version') == None:
tool_consumer.launch_params._params.pop('lti_version')
if 'lti_message_type' in launch_params and launch_params.get('lti_message_type') == None:
tool_consumer.launch_params._params.pop('lti_message_type')
if invalid_launch:
with mock.patch.object(ToolConsumer, 'has_required_params', return_value=True):
launch_request = tool_consumer.generate_launch_request(nonce=nonce, timestamp=timestamp)
else:
launch_request = tool_consumer.generate_launch_request(nonce=nonce, timestamp=timestamp)
launch_data = parse_qs(launch_request.body.decode('utf-8'))
# overwrite oauth_signature for tests
if invalid_launch and oauth_signature:
launch_data['oauth_signature'] = oauth_signature
rv = self.client.post('/api/lti/auth', data=launch_data, follow_redirects=follow_redirects)
yield rv
rv.close()
def test_launch_request_with_qs(self):
"""
test that qs params in launch url are ok
"""
launch_params = {
'lti_version': 'abc',
'lti_message_type': 'def',
'resource_link_id': '123'
}
tc = ToolConsumer('client_key',
'client_secret',
launch_url='http://example.edu/foo?bar=1',
params=launch_params)
launch_req = tc.generate_launch_request(nonce='wxyz7890',
timestamp='2345678901')
got = parse_qs(unquote(launch_req.body))
correct = launch_params.copy()
correct.update({
'oauth_nonce': 'wxyz7890',
'oauth_timestamp': '2345678901',
'oauth_version': '1.0',
'oauth_signature_method': 'HMAC-SHA1',
'oauth_consumer_key': 'client_key',
'oauth_signature': 'UH2l86Wq/g5Mu64GpCRcec6tEYY=',
})
self.assertEqual(got, correct)
def test_generate_launch_request(self):
launch_params = {
'lti_version': 'foo',
'lti_message_type': 'bar',
'resource_link_id': 'baz'
}
tc = ToolConsumer('client_key',
'client_secret',
launch_url='http://example.edu/',
params=launch_params)
launch_req = tc.generate_launch_request(nonce='abcd1234',
timestamp='1234567890')
self.assertIsInstance(launch_req, PreparedRequest)
got = parse_qs(unquote(launch_req.body))
correct = launch_params.copy()
correct.update({
'oauth_nonce': 'abcd1234',
'oauth_timestamp': '1234567890',
'oauth_version': '1.0',
'oauth_signature_method': 'HMAC-SHA1',
'oauth_consumer_key': 'client_key',
'oauth_signature': 'u2xlj 1gF4y 6gKHNeiL9cN3tOI=',
})
self.assertEqual(got, correct)
def test_launch_request_with_qs(self):
"""
test that qs params in launch url are ok
"""
launch_params = {
'lti_version': 'abc',
'lti_message_type': 'def',
'resource_link_id': '123'
}
tc = ToolConsumer('client_key', 'client_secret',
launch_url='http://example.edu/foo?bar=1',
params=launch_params)
launch_req = tc.generate_launch_request(nonce='wxyz7890',
timestamp='2345678901')
got = parse_qs(unquote(launch_req.body))
correct = launch_params.copy()
correct.update({
'oauth_nonce': 'wxyz7890',
'oauth_timestamp': '2345678901',
'oauth_version': '1.0',
'oauth_signature_method': 'HMAC-SHA1',
'oauth_consumer_key': 'client_key',
'oauth_signature': 'UH2l86Wq/g5Mu64GpCRcec6tEYY=',
})
self.assertEqual(got, correct)
def test_generate_launch_request(self):
launch_params = {
'lti_version': 'foo',
'lti_message_type': 'bar',
'resource_link_id': 'baz'
}
tc = ToolConsumer('client_key', 'client_secret',
launch_url='http://example.edu/',
params=launch_params)
launch_req = tc.generate_launch_request(nonce='abcd1234',
timestamp='1234567890')
self.assertIsInstance(launch_req, PreparedRequest)
got = parse_qs(unquote(launch_req.body))
correct = launch_params.copy()
correct.update({
'oauth_nonce': 'abcd1234',
'oauth_timestamp': '1234567890',
'oauth_version': '1.0',
'oauth_signature_method': 'HMAC-SHA1',
'oauth_consumer_key': 'client_key',
'oauth_signature': 'u2xlj 1gF4y 6gKHNeiL9cN3tOI=',
})
self.assertEqual(got, correct)
def lti_launch(self,
lti_consumer,
lti_resource_link_id,
assignment_uuid=None,
query_assignment_uuid=None,
custom_puid=None,
nonce=None,
timestamp=None,
follow_redirects=True,
**kwargs):
launch_url = "http://localhost/api/lti/auth"
launch_params = kwargs.copy()
launch_params['resource_link_id'] = lti_resource_link_id
if assignment_uuid:
launch_params['custom_assignment'] = assignment_uuid
if custom_puid:
launch_params['custom_puid'] = custom_puid
if query_assignment_uuid:
launch_url = launch_url + "?assignment=" + query_assignment_uuid
tool_consumer = ToolConsumer(lti_consumer.oauth_consumer_key,
lti_consumer.oauth_consumer_secret,
params=launch_params,
launch_url=launch_url)
launch_request = tool_consumer.generate_launch_request(
nonce=nonce, timestamp=timestamp)
launch_data = parse_qs(launch_request.body.decode('utf-8'))
rv = self.client.post('/api/lti/auth',
data=launch_data,
follow_redirects=follow_redirects)
yield rv
rv.close()
def lti_launch(self, lti_consumer, lti_resource_link_id,
assignment_uuid=None, nonce=None, timestamp=None, follow_redirects=True,
**kwargs):
launch_params = kwargs.copy()
launch_params['resource_link_id'] = lti_resource_link_id
if assignment_uuid:
launch_params['custom_assignment'] = assignment_uuid
tool_consumer = ToolConsumer(
lti_consumer.oauth_consumer_key,
lti_consumer.oauth_consumer_secret,
params=launch_params,
#launch_url not actually used. Just needed for validation
launch_url='http://localhost/api/lti/auth'
)
launch_request = tool_consumer.generate_launch_request(nonce=nonce, timestamp=timestamp)
launch_data = parse_qs(launch_request.body.decode('utf-8'))
rv = self.client.post('/api/lti/auth', data=launch_data, follow_redirects=follow_redirects)
yield rv
rv.close()
def lti_launch(self,
lti_consumer,
lti_resource_link_id,
assignment_uuid=None,
query_assignment_uuid=None,
nonce=None,
timestamp=None,
follow_redirects=True,
invalid_launch=False,
**kwargs):
launch_url = "http://localhost/api/lti/auth"
oauth_signature = kwargs.pop('oauth_signature', None)
launch_params = kwargs.copy()
launch_params['resource_link_id'] = lti_resource_link_id
if assignment_uuid:
launch_params['custom_assignment'] = assignment_uuid
if query_assignment_uuid:
launch_url = launch_url + "?assignment=" + query_assignment_uuid
# add basic required launch parameters
if not 'lti_version' in launch_params:
launch_params['lti_version'] = "LTI-1p0"
if not 'lti_message_type' in launch_params:
launch_params['lti_message_type'] = "basic-lti-launch-request"
if 'roles' in launch_params and launch_params.get('roles') == None:
launch_params.pop('roles')
tool_consumer = ToolConsumer(lti_consumer.oauth_consumer_key,
lti_consumer.oauth_consumer_secret,
params=launch_params,
launch_url=launch_url)
# overwrite lti_version and lti_message_type if needed (set by lti.LaunchParams)
if 'lti_version' in launch_params and launch_params.get(
'lti_version') == None:
tool_consumer.launch_params._params.pop('lti_version')
if 'lti_message_type' in launch_params and launch_params.get(
'lti_message_type') == None:
tool_consumer.launch_params._params.pop('lti_message_type')
if invalid_launch:
with mock.patch.object(ToolConsumer,
'has_required_params',
return_value=True):
launch_request = tool_consumer.generate_launch_request(
nonce=nonce, timestamp=timestamp)
else:
launch_request = tool_consumer.generate_launch_request(
nonce=nonce, timestamp=timestamp)
launch_data = parse_qs(launch_request.body.decode('utf-8'))
# overwrite oauth_signature for tests
if invalid_launch and oauth_signature:
launch_data['oauth_signature'] = oauth_signature
rv = self.client.post('/api/lti/auth',
data=launch_data,
follow_redirects=follow_redirects)
yield rv
rv.close()
