def get_tool_consumer(self, extra_params=None):
params = dict(
lti_message_type="basic-lti-launch-request",
lti_version="1.1",
resource_link_id=self.pk,
)
if extra_params:
params.update(extra_params)
return lti.ToolConsumer(
consumer_key=self.cached_externaltool.client_id,
consumer_secret=self.cached_externaltool.client_secret,
launch_url=self.launch_url,
params=params)
def consume(args):
launch_params = {
'context_id': args.context_id,
'context_title': 'A test class',
'lis_person_contact_email_primary': args.email,
'lis_person_name_family': args.last,
'lis_person_name_given': args.first,
'resource_link_id': args.resource_link_id,
'resource_link_title': 'A test assignment',
'roles': args.role,
'tool_consumer_info_product_family_code': 'ra-test',
'tool_consumer_info_version': '0.01',
'tool_consumer_instance_description': 'RA test consumer',
'tool_consumer_instance_guid': 'www.revisionassistant.com',
'user_id': args.user_id,
}
if args.ext_grader_id:
launch_params['ext_grader_id'] = args.ext_grader_id
if args.env == 'staging':
launch_url = 'https://staging.tiiscoringengine.com/lti/1p0/launch'
elif args.env == 'production':
launch_url = 'https://api.tiiscoringengine.com/lti/1p0/launch'
else:
launch_url = 'https://{}.getlightbox.com/lti/1p0/launch'.format(
args.env)
tool_consumer = lti.ToolConsumer(args.key,
args.secret,
params=launch_params,
launch_url=launch_url)
launch_request = tool_consumer.generate_launch_request()
if args.verbose:
print("HEADERS:")
for header_name in sorted(launch_request.headers):
header_value = launch_request.headers[header_name]
print(" {}: {}".format(header_name,
header_value.decode('utf-8')))
print("BODY:\n{}\n\n".format(launch_request.body.decode('utf-8')))
response = requests.post(launch_request.url,
headers=launch_request.headers,
data=launch_request.body,
allow_redirects=False,
verify=False)
print(f"Status: {response.status_code}")
if 'entered a valid consumer key and secret' in response.text:
print("FAIL: Invalid consumer key/secret")
elif response.status_code == 302:
for header in sorted(response.headers):
print(" {}: {}".format(header, response.headers[header]))
if 'Location' in response.headers:
print(response.headers['Location'])
else:
pat = re.compile('href="([^"]+)"')
matches = pat.search(response.text)
if matches:
print(matches.group(1))
else:
print("Failed to find link in body\n{}".format(response.text))
else:
# RA will generate an HTML page with a link in it; we'll pull that link out
# and display it so you can copy-and-paste
pat = re.compile('action="([^"]+)"')
matches = pat.search(response.text)
if matches:
print(matches.group(1))
else:
print(
"Failed to find link in response text! Status: {}\n{}".format(
response.status_code, response.text))
def consume():
parser = argparse.ArgumentParser()
parser.add_argument('--context_id',
help='Context (class) identifier, arbitrary',
required=True)
parser.add_argument('--email', help='User email')
parser.add_argument('--env', help='Environment', default='staging')
parser.add_argument('--first', help='User first name', required=True)
parser.add_argument('--key', help='Consumer key', required=True)
parser.add_argument('--last', help='User last name', required=True)
parser.add_argument(
'--resource_link_id',
help='Resource link (assignment) identifier, arbitrary',
required=True)
parser.add_argument('--role',
help='Role, either "Learner" or "Instructor"',
default='Instructor')
parser.add_argument('--secret', help='Consumer secret', required=True)
parser.add_argument('--user_id', help='User ID, arbitrary', required=True)
args = parser.parse_args()
launch_params = {
'context_id': args.context_id,
'context_title': 'A test class',
'lis_person_contact_email_primary': args.email,
'lis_person_name_family': args.last,
'lis_person_name_given': args.first,
'resource_link_id': args.resource_link_id,
'resource_link_title': 'A test assignment',
'roles': args.role,
'tool_consumer_info_product_family_code': 'ra-test',
'tool_consumer_info_version': '0.01',
'tool_consumer_instance_description': 'RA test consumer',
'tool_consumer_instance_guid': 'www.revisionassistant.com',
'user_id': args.user_id,
}
if args.env == 'staging':
launch_url = 'https://staging.tiiscoringengine.com/lti/1p0/launch'
elif args.env == 'production':
launch_url = 'https://api.tiiscoringengine.com/lti/1p0/launch'
else:
launch_url = 'https://{}.getlightbox.com/lti/1p0/launch'.format(
args.env)
tool_consumer = lti.ToolConsumer(args.key,
args.secret,
params=launch_params,
launch_url=launch_url)
launch_request = tool_consumer.generate_launch_request()
response = requests.post(launch_request.url,
headers=launch_request.headers,
data=launch_request.body,
allow_redirects=False,
verify=False)
print("Status: {}".format(response.status_code))
if response.status_code == 302:
for header in sorted(response.headers):
print(" {}: {}".format(header, response.headers[header]))
if 'Location' in response.headers:
print(response.headers['Location'])
else:
pat = re.compile('href="([^"]+)"')
matches = pat.search(response.text)
if matches:
print(matches.group(1))
else:
print("Failed to find link in body\n{}".format(response.text))
else:
# RA will generate an HTML page with a link in it; we'll pull that link out
# and display it so you can copy-and-paste
pat = re.compile('action="([^"]+)"')
matches = pat.search(response.text)
if matches:
print(matches.group(1))
else:
print(
"Failed to find link in response text! Status: {}\n{}".format(
response.status_code, response.text))