Return OpenID Connect user name from user profile.

lms/djangoapps/oauth2_handler/handlers.py

@@ -3,6 +3,7 @@
 import branding
 from courseware.access import has_access
 from student.models import anonymous_id_for_user
+from student.models import UserProfile
 from user_api.models import UserPreference
 from lang_pref import LANGUAGE_KEY
 
@@ -33,8 +34,14 @@ class ProfileHandler(object):
     """ Basic OpenID Connect `profile` scope handler with `locale` claim. """
 
     def scope_profile(self, _data):
-        """ Add the locale claim. """
-        return ['locale']
+        """ Add specialized claims. """
+        return ['name', 'locale']
+
+    def claim_name(self, data):
+        """ User displayable full name. """
+        user = data['user']
+        profile = UserProfile.objects.get(user=user)
+        return profile.name
 
     def claim_locale(self, data):
         """

lms/djangoapps/oauth2_handler/tests.py

@@ -6,6 +6,7 @@ from courseware.tests.tests import TEST_DATA_MIXED_MODULESTORE
 from lang_pref import LANGUAGE_KEY
 from opaque_keys.edx.locations import SlashSeparatedCourseKey
 from student.models import anonymous_id_for_user
+from student.models import UserProfile
 from student.roles import CourseStaffRole, CourseInstructorRole
 from student.tests.factories import UserFactory, UserProfileFactory
 from user_api.models import UserPreference
@@ -42,6 +43,15 @@ class IDTokenTest(BaseTestMixin, IDTokenTestCase):
         expected_sub = anonymous_id_for_user(self.user, None)
         self.assertEqual(sub, expected_sub)
 
+    def test_user_name_claim(self):
+        _scopes, claims = self.get_new_id_token_values('openid profile')
+        claim_name = claims['name']
+
+        user_profile = UserProfile.objects.get(user=self.user)
+        user_name = user_profile.name
+
+        self.assertEqual(claim_name, user_name)
+
     def test_user_without_locale_claim(self):
         scopes, claims = self.get_new_id_token_values('openid profile')
         self.assertIn('profile', scopes)