[34078525] Added OPENID_PROVIDER_TRUSTED_ROOTS django setting

Added OPENID_PROVIDER_TRUSTED_ROOTS django setting. It should be a
list of glob matching patterns: ['*.cs50.net', '*.other.net']

Also did some minor refactoring and cleanup.

lms/envs/common.py

@@ -120,6 +120,10 @@ node_paths = [COMMON_ROOT / "static/js/vendor",
               ]
 NODE_PATH = ':'.join(node_paths)
 
+
+############################ OpenID Provider  ##################################
+OPENID_PROVIDER_TRUSTED_ROOTS = ['cs50.net', '*.cs50.net'] 
+
 ################################## MITXWEB #####################################
 # This is where we stick our compiled template files. Most of the app uses Mako
 # templates

lms/envs/dev.py

@@ -17,7 +17,6 @@ MITX_FEATURES['DISABLE_START_DATES'] = True
 MITX_FEATURES['ENABLE_SQL_TRACKING_LOGS'] = True
 MITX_FEATURES['SUBDOMAIN_COURSE_LISTINGS'] = False  # Enable to test subdomains--otherwise, want all courses to show up
 MITX_FEATURES['SUBDOMAIN_BRANDING'] = True
-MITX_FEATURES['AUTH_USE_OPENID_PROVIDER'] = True
 
 WIKI_ENABLED = True
 
@@ -106,6 +105,7 @@ LMS_MIGRATION_ALLOWED_IPS = ['127.0.0.1']
 
 ################################ OpenID Auth #################################
 MITX_FEATURES['AUTH_USE_OPENID'] = True
+MITX_FEATURES['AUTH_USE_OPENID_PROVIDER'] = True
 MITX_FEATURES['BYPASS_ACTIVATION_EMAIL_FOR_EXTAUTH'] = True
 
 INSTALLED_APPS += ('external_auth',)
@@ -116,6 +116,8 @@ OPENID_UPDATE_DETAILS_FROM_SREG = True
 OPENID_SSO_SERVER_URL = 'https://www.google.com/accounts/o8/id'	# TODO: accept more endpoints
 OPENID_USE_AS_ADMIN_LOGIN = False
 
+OPENID_PROVIDER_TRUSTED_ROOTS = ['*'] 
+
 ################################ MIT Certificates SSL Auth #################################
 MITX_FEATURES['AUTH_USE_MIT_CERTIFICATES'] = True