Add the option of use only SSO login and register

lms/djangoapps/student_account/views.py

@@ -102,12 +102,24 @@ def login_and_registration_form(request, initial_mode="login"):
         except (KeyError, ValueError, IndexError):
             pass
 
+    third_party_auth = _third_party_auth_context(request, redirect_to)
+    if not third_party_auth['currentProvider'] and settings.APPSEMBLER_FEATURES.get('ENABLE_EXCLUSIVE_SSO_LOGISTRATION'):
+        urls_dict = configuration_helpers.get_value(
+            'EXCLUSIVE_SSO_LOGISTRATION_URL_MAP',
+            settings.EXCLUSIVE_SSO_LOGISTRATION_URL_MAP)
+        if initial_mode == 'register':
+            if 'register' in urls_dict:
+                return redirect(urls_dict['register'])
+        elif initial_mode == 'login':
+            if 'login' in urls_dict:
+                return redirect(urls_dict['login'])
+
     # Otherwise, render the combined login/registration page
     context = {
         'data': {
             'login_redirect_url': redirect_to,
             'initial_mode': initial_mode,
-            'third_party_auth': _third_party_auth_context(request, redirect_to),
+            'third_party_auth': third_party_auth,
             'third_party_auth_hint': third_party_auth_hint or '',
             'platform_name': configuration_helpers.get_value('PLATFORM_NAME', settings.PLATFORM_NAME),
 

lms/envs/aws_appsembler.py

@@ -114,3 +114,5 @@
     CORS_REPLACE_HTTPS_REFERER = True
 
 CUSTOM_SSO_FIELDS_SYNC = ENV_TOKENS.get('CUSTOM_SSO_FIELDS_SYNC', {})
+
+EXCLUSIVE_SSO_LOGISTRATION_URL_MAP = ENV_TOKENS.get('EXCLUSIVE_SSO_LOGISTRATION_URL_MAP', {})

lms/envs/devstack_appsembler.py

@@ -106,3 +106,5 @@
 SP_SAML_RESTRICT_MODE = False
 
 CUSTOM_SSO_FIELDS_SYNC = ENV_TOKENS.get('CUSTOM_SSO_FIELDS_SYNC', {})
+
+EXCLUSIVE_SSO_LOGISTRATION_URL_MAP = ENV_TOKENS.get('EXCLUSIVE_SSO_LOGISTRATION_URL_MAP', {})