Merge pull request #19031 from edx/arch/login-service-migration

Login service user creation - data migration

lms/envs/common.py

@@ -3163,6 +3163,7 @@ JWT_AUTH = {
     'JWT_COOKIE_EXPIRATION': 60 * 60,
 
     'JWT_LOGIN_CLIENT_ID': 'login-service-client-id',
+    'JWT_LOGIN_SERVICE_USERNAME': 'login_service_user',
 
     'JWT_SUPPORTED_VERSION': '1.1.0',
 

openedx/core/djangoapps/user_authn/migrations/0001_data__add_login_service.py

@@ -0,0 +1,49 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.conf import settings
+from django.db import migrations
+
+
+def add_login_service(apps, schema_editor):
+    """
+    Adds a user and DOT application for the login service.
+    """
+    login_service_name = 'Login Service for JWT Cookies'
+    login_service_client_id = settings.JWT_AUTH['JWT_LOGIN_CLIENT_ID']
+    login_service_username = settings.JWT_AUTH['JWT_LOGIN_SERVICE_USERNAME']
+    login_service_email = login_service_username + '@fake.email'
+
+    Application = apps.get_model(settings.OAUTH2_PROVIDER_APPLICATION_MODEL)
+    if Application.objects.filter(client_id=login_service_client_id).exists():
+        return
+
+    # Get the User model using the AUTH_USER_MODEL settings since that is
+    # what the Application model expects at this time in the migration phase.
+    User = apps.get_model(settings.AUTH_USER_MODEL)
+    login_service_user, created = User.objects.get_or_create(
+        username=login_service_username,
+        email=login_service_email,
+    )
+    if created:
+        # Make sure the login service user's password is unusable.
+        # The set_unusable_password method is available on the other User model.
+        from django.contrib.auth.models import User
+        user = User.objects.get(username=login_service_username)
+        user.set_unusable_password()
+        user.save()
+
+    login_service_app = Application.objects.create(
+        name=login_service_name,
+        client_id=login_service_client_id,
+        user=login_service_user,
+        client_type='public',
+        authorization_grant_type='password',
+        redirect_uris='',
+    )
+
+
+class Migration(migrations.Migration):
+    operations = [
+        migrations.RunPython(add_login_service, reverse_code=migrations.RunPython.noop),
+    ]