enforce staff only access on attempt collection endpoint

edx_proctoring/tests/test_views.py

@@ -814,6 +814,35 @@ class TestStudentProctoredExamAttempt(LoggedInTestCase):
         response_data = json.loads(response.content)
         self.assertEqual(len(response_data['proctored_exam_attempts']), 1)
 
+    def test_exam_attempts_not_staff(self):
+        """
+        Test to get the exam attempts in a course.
+        """
+        # Create an exam.
+        proctored_exam = ProctoredExam.objects.create(
+            course_id='a/b/c',
+            content_id='test_content',
+            exam_name='Test Exam',
+            external_id='123aXqe3',
+            time_limit_mins=90
+        )
+        attempt_data = {
+            'exam_id': proctored_exam.id,
+            'user_id': self.student_taking_exam.id,
+            'external_id': proctored_exam.external_id
+        }
+        response = self.client.post(
+            reverse('edx_proctoring.proctored_exam.attempt.collection'),
+            attempt_data
+        )
+        url = reverse('edx_proctoring.proctored_exam.attempt', kwargs={'course_id': proctored_exam.course_id})
+
+        self.user.is_staff = False
+        self.user.save()
+
+        response = self.client.get(url)
+        self.assertEqual(response.status_code, 403)
+
     def test_get_filtered_exam_attempts(self):
         """
         Test to get the exam attempts in a course.

edx_proctoring/views.py

@@ -443,6 +443,15 @@ class StudentProctoredExamAttemptCollection(AuthenticatedAPIView):
         HTTP GET Handler. Returns the status of the exam attempt.
         """
         if course_id is not None:
+            #
+            # This code path is only for authenticated global staff users
+            #
+            if not request.user.is_staff:
+                return Response(
+                    status=status.HTTP_403_FORBIDDEN,
+                    data={"detail": "Must be a Staff User to Perform this request."}
+                )
+
             if search_by is not None:
                 exam_attempts = get_filtered_exam_attempts(course_id, search_by)
                 attempt_url = reverse('edx_proctoring.proctored_exam.attempt.search', args=[course_id, search_by])