Fix oauth with services such as discovery

See https://discuss.overhang.io/t/problem-occured-during-checkout-please-contact-support/491/31

CHANGELOG.md

@@ -4,6 +4,7 @@ Note: Breaking changes between versions are indicated by "💥".
 
 ## Unreleased
 
+- [Bugfix] Fix oauth2 authentication with 3rd-party services, such as discovery
 - [Bugfix] Upgrade scorm xblock to solve caching issue
 
 ## v3.12.1 (2020-04-27)

tutor/templates/apps/openedx/config/cms.env.json

@@ -3,7 +3,7 @@
   "BOOK_URL": "",
   "LOG_DIR": "/openedx/data/logs",
   "LOGGING_ENV": "sandbox",
-  "OAUTH_OIDC_ISSUER": "http://localhost:8000/oauth2",
+  "OAUTH_OIDC_ISSUER": "{{ JWT_COMMON_ISSUER }}",
   "PLATFORM_NAME": "{{ PLATFORM_NAME }}",
   "FEATURES": {
     {{ patch("common-env-features", separator=",\n", suffix=",")|indent(4) }}

tutor/templates/apps/openedx/config/lms.env.json

@@ -3,7 +3,7 @@
   "BOOK_URL": "",
   "LOG_DIR": "/openedx/data/logs",
   "LOGGING_ENV": "sandbox",
-  "OAUTH_OIDC_ISSUER": "http://localhost:8000/oauth2",
+  "OAUTH_OIDC_ISSUER": "{{ JWT_COMMON_ISSUER }}",
   "PLATFORM_NAME": "{{ PLATFORM_NAME }}",
   "FEATURES": {
     {{ patch("common-env-features", separator=",\n", suffix=",")|indent(4) }}

tutor/templates/apps/openedx/settings/lms/development.py

@@ -4,8 +4,6 @@ from lms.envs.devstack import *
 
 {% include "apps/openedx/settings/partials/common_lms.py" %}
 
-OAUTH_OIDC_ISSUER = "{{ JWT_COMMON_ISSUER }}"
-
 # Setup correct webpack configuration file for development
 WEBPACK_CONFIG_PATH = "webpack.dev.config.js"