feat: send custom_url param to LTI tool

edx_exams/apps/lti/tests/test_views.py

@@ -642,6 +642,7 @@ def test_lti_launch(self, mock_create_launch_url):
                 context_id=self.exam.course_id,
                 custom_parameters={
                     'roster_url': 'http://test.exams:18740/lti/exam/1/instructor_tool/roster',
+                    'custom_url': 'https://test.learning:2000/exam',
                 }
             )
         )

edx_exams/apps/lti/views.py

@@ -369,6 +369,10 @@ def launch_instructor_tool(request, exam_id):
         }
     )
 
+    # temporary addition for testing with Proctorio in stage
+    if settings.LTI_CUSTOM_URL_CLAIM:  # pragma: no cover
+        launch_data.custom_parameters['custom_url'] = settings.LTI_CUSTOM_URL_CLAIM
+
     # user is authenticated via JWT so use that to create a
     # session with this service's authentication backend
     request.user.backend = EDX_OAUTH_BACKEND

edx_exams/settings/base.py

@@ -280,6 +280,8 @@ def root(*path_fragments):
 
 EXAMS_DASHBOARD_MFE_URL = None
 
+LTI_CUSTOM_URL_CLAIM = None
+
 # Event Bus Settings
 EXAM_ATTEMPT_EVENTS_KAFKA_TOPIC_NAME = 'learning-exam-attempt-lifecycle'
 

edx_exams/settings/local.py

@@ -121,6 +121,7 @@
 LTI_API_BASE = 'http://localhost:18740'
 LMS_ROOT_URL = 'http://localhost:18000'
 LEARNING_MICROFRONTEND_URL = 'http://localhost:2000'
+LTI_CUSTOM_URL_CLAIM = 'http://localhost:2000'
 EXAMS_DASHBOARD_MFE_URL = 'http://localhost:2020'
 
 CORS_ORIGIN_WHITELIST = (

edx_exams/settings/test.py

@@ -26,6 +26,7 @@
 LTI_API_BASE = 'http://test.exams:18740'
 LMS_ROOT_URL = 'http://test.lms:18000'
 LEARNING_MICROFRONTEND_URL = 'http://test.learning:2000'
+LTI_CUSTOM_URL_CLAIM = 'https://test.learning:2000/exam'
 
 TOKEN_SIGNING.update({
     'JWT_PRIVATE_SIGNING_JWK': '''{