edx-platform/lms/envs/production.py

"""
This is the default template for our main set of AWS servers.

Common traits:
* Use memcached, and cache-backed sessions
* Use a MySQL 5.1 database
"""

# We intentionally define lots of variables that aren't used, and
# want to import all variables from base settings files
# pylint: disable=wildcard-import, unused-wildcard-import

# Pylint gets confused by path.py instances, which report themselves as class
# objects. As a result, pylint applies the wrong regex in validating names,
# and throws spurious errors. Therefore, we disable invalid-name checking.
# pylint: disable=invalid-name


import codecs
import copy
import datetime
import os

import yaml
from corsheaders.defaults import default_headers as corsheaders_default_headers
from django.core.exceptions import ImproperlyConfigured
from edx_django_utils.plugins import add_plugins
from path import Path as path

from openedx.core.djangoapps.plugins.constants import ProjectType, SettingsType
from openedx.core.lib.derived import derive_settings
from openedx.core.lib.logsettings import get_logger_config
from xmodule.modulestore.modulestore_settings import convert_module_store_setting_if_needed

from .common import *


def get_env_setting(setting):
    """ Get the environment setting or return exception """
    try:
        return os.environ[setting]
    except KeyError:
        error_msg = "Set the %s env variable" % setting
        raise ImproperlyConfigured(error_msg)  # lint-amnesty, pylint: disable=raise-missing-from

################################ ALWAYS THE SAME ##############################

DEBUG = False
DEFAULT_TEMPLATE_ENGINE['OPTIONS']['debug'] = False

SESSION_ENGINE = 'django.contrib.sessions.backends.cache'

# IMPORTANT: With this enabled, the server must always be behind a proxy that
# strips the header HTTP_X_FORWARDED_PROTO from client requests. Otherwise,
# a user can fool our server into thinking it was an https connection.
# See
# https://docs.djangoproject.com/en/dev/ref/settings/#secure-proxy-ssl-header
# for other warnings.
SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')
################################ END ALWAYS THE SAME ##############################

# A file path to a YAML file from which to load all the configuration for the edx platform
CONFIG_FILE = get_env_setting('LMS_CFG')

with codecs.open(CONFIG_FILE, encoding='utf-8') as f:
    __config__ = yaml.safe_load(f)

    # ENV_TOKENS and AUTH_TOKENS are included for reverse compatibility.
    # Removing them may break plugins that rely on them.
    ENV_TOKENS = __config__
    AUTH_TOKENS = __config__

    # Add the key/values from config into the global namespace of this module.
    # But don't override the FEATURES dict because we do that in an additive way.
    __config_copy__ = copy.deepcopy(__config__)

    KEYS_WITH_MERGED_VALUES = [
        'FEATURES',
        'TRACKING_BACKENDS',
        'EVENT_TRACKING_BACKENDS',
        'JWT_AUTH',
        'CELERY_QUEUES',
        'MKTG_URL_LINK_MAP',
        'MKTG_URL_OVERRIDES',
    ]
    for key in KEYS_WITH_MERGED_VALUES:
        if key in __config_copy__:
            del __config_copy__[key]

    vars().update(__config_copy__)


try:
    # A file path to a YAML file from which to load all the code revisions currently deployed
    REVISION_CONFIG_FILE = get_env_setting('REVISION_CFG')

    with codecs.open(REVISION_CONFIG_FILE, encoding='utf-8') as f:
        REVISION_CONFIG = yaml.safe_load(f)
except Exception:  # pylint: disable=broad-except
    REVISION_CONFIG = {}

# Do NOT calculate this dynamically at startup with git because it's *slow*.
EDX_PLATFORM_REVISION = REVISION_CONFIG.get('EDX_PLATFORM_REVISION', EDX_PLATFORM_REVISION)

###################################### CELERY  ################################

# Don't use a connection pool, since connections are dropped by ELB.
BROKER_POOL_LIMIT = 0
BROKER_CONNECTION_TIMEOUT = 1

# For the Result Store, use the django cache named 'celery'
CELERY_RESULT_BACKEND = 'django-cache'

# When the broker is behind an ELB, use a heartbeat to refresh the
# connection and to detect if it has been dropped.
BROKER_HEARTBEAT = ENV_TOKENS.get('BROKER_HEARTBEAT', 60.0)
BROKER_HEARTBEAT_CHECKRATE = ENV_TOKENS.get('BROKER_HEARTBEAT_CHECKRATE', 2)

# Each worker should only fetch one message at a time
CELERYD_PREFETCH_MULTIPLIER = 1

# STATIC_ROOT specifies the directory where static files are
# collected
STATIC_ROOT_BASE = ENV_TOKENS.get('STATIC_ROOT_BASE', None)
if STATIC_ROOT_BASE:
    STATIC_ROOT = path(STATIC_ROOT_BASE)
    WEBPACK_LOADER['DEFAULT']['STATS_FILE'] = STATIC_ROOT / "webpack-stats.json"
    WEBPACK_LOADER['WORKERS']['STATS_FILE'] = STATIC_ROOT / "webpack-worker-stats.json"


# STATIC_URL_BASE specifies the base url to use for static files
STATIC_URL_BASE = ENV_TOKENS.get('STATIC_URL_BASE', None)
if STATIC_URL_BASE:
    STATIC_URL = STATIC_URL_BASE
    if not STATIC_URL.endswith("/"):
        STATIC_URL += "/"

# Allow overriding build profile used by RequireJS with one
# contained on a custom theme
REQUIRE_BUILD_PROFILE = ENV_TOKENS.get('REQUIRE_BUILD_PROFILE', REQUIRE_BUILD_PROFILE)

# The following variables use (or) instead of the default value inside (get). This is to enforce using the Lazy Text
# values when the varibale is an empty string. Therefore, setting these variable as empty text in related
# json files will make the system reads thier values from django translation files
PLATFORM_NAME = ENV_TOKENS.get('PLATFORM_NAME') or PLATFORM_NAME
PLATFORM_DESCRIPTION = ENV_TOKENS.get('PLATFORM_DESCRIPTION') or PLATFORM_DESCRIPTION

CC_MERCHANT_NAME = ENV_TOKENS.get('CC_MERCHANT_NAME', PLATFORM_NAME)
EMAIL_FILE_PATH = ENV_TOKENS.get('EMAIL_FILE_PATH', None)
EMAIL_HOST = ENV_TOKENS.get('EMAIL_HOST', 'localhost')  # django default is localhost
EMAIL_PORT = ENV_TOKENS.get('EMAIL_PORT', 25)  # django default is 25
EMAIL_USE_TLS = ENV_TOKENS.get('EMAIL_USE_TLS', False)  # django default is False
SITE_NAME = ENV_TOKENS['SITE_NAME']
SESSION_COOKIE_DOMAIN = ENV_TOKENS.get('SESSION_COOKIE_DOMAIN')
SESSION_COOKIE_HTTPONLY = ENV_TOKENS.get('SESSION_COOKIE_HTTPONLY', True)

DCS_SESSION_COOKIE_SAMESITE = ENV_TOKENS.get('DCS_SESSION_COOKIE_SAMESITE', DCS_SESSION_COOKIE_SAMESITE)
DCS_SESSION_COOKIE_SAMESITE_FORCE_ALL = ENV_TOKENS.get('DCS_SESSION_COOKIE_SAMESITE_FORCE_ALL', DCS_SESSION_COOKIE_SAMESITE_FORCE_ALL)  # lint-amnesty, pylint: disable=line-too-long

# As django-cookies-samesite package is set to be removed from base requirements when we upgrade to Django 3.2,
# we should follow the settings name provided by Django.
# https://docs.djangoproject.com/en/3.2/ref/settings/#session-cookie-samesite
SESSION_COOKIE_SAMESITE = DCS_SESSION_COOKIE_SAMESITE

AWS_SES_REGION_NAME = ENV_TOKENS.get('AWS_SES_REGION_NAME', 'us-east-1')
AWS_SES_REGION_ENDPOINT = ENV_TOKENS.get('AWS_SES_REGION_ENDPOINT', 'email.us-east-1.amazonaws.com')

REGISTRATION_EMAIL_PATTERNS_ALLOWED = ENV_TOKENS.get('REGISTRATION_EMAIL_PATTERNS_ALLOWED')

LMS_ROOT_URL = ENV_TOKENS.get('LMS_ROOT_URL')
LMS_INTERNAL_ROOT_URL = ENV_TOKENS.get('LMS_INTERNAL_ROOT_URL', LMS_ROOT_URL)

# List of logout URIs for each IDA that the learner should be logged out of when they logout of the LMS. Only applies to
# IDA for which the social auth flow uses DOT (Django OAuth Toolkit).
IDA_LOGOUT_URI_LIST = ENV_TOKENS.get('IDA_LOGOUT_URI_LIST', [])

ENV_FEATURES = ENV_TOKENS.get('FEATURES', {})
for feature, value in ENV_FEATURES.items():
    FEATURES[feature] = value

CMS_BASE = ENV_TOKENS.get('CMS_BASE', 'studio.edx.org')

ALLOWED_HOSTS = [
    # TODO: bbeggs remove this before prod, temp fix to get load testing running
    "*",
    ENV_TOKENS.get('LMS_BASE'),
    FEATURES['PREVIEW_LMS_BASE'],
]

# Sometimes, OAuth2 clients want the user to redirect back to their site after logout. But to determine if the given
# redirect URL/path is safe for redirection, the following variable is used by edX.
LOGIN_REDIRECT_WHITELIST = ENV_TOKENS.get(
    'LOGIN_REDIRECT_WHITELIST',
    LOGIN_REDIRECT_WHITELIST
)

# allow for environments to specify what cookie name our login subsystem should use
# this is to fix a bug regarding simultaneous logins between edx.org and edge.edx.org which can
# happen with some browsers (e.g. Firefox)
if ENV_TOKENS.get('SESSION_COOKIE_NAME', None):
    # NOTE, there's a bug in Django (http://bugs.python.org/issue18012) which necessitates this being a str()
    SESSION_COOKIE_NAME = str(ENV_TOKENS.get('SESSION_COOKIE_NAME'))

# This is the domain that is used to set shared cookies between various sub-domains.
# By default, it's set to the same thing as the SESSION_COOKIE_DOMAIN, but we want to make it overrideable.
SHARED_COOKIE_DOMAIN = ENV_TOKENS.get('SHARED_COOKIE_DOMAIN', SESSION_COOKIE_DOMAIN)

CACHES = ENV_TOKENS['CACHES']
# Cache used for location mapping -- called many times with the same key/value
# in a given request.
if 'loc_cache' not in CACHES:
    CACHES['loc_cache'] = {
        'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
        'LOCATION': 'edx_location_mem_cache',
    }

if 'staticfiles' in CACHES:
    CACHES['staticfiles']['KEY_PREFIX'] = EDX_PLATFORM_REVISION

# In order to transition from local disk asset storage to S3 backed asset storage,
# we need to run asset collection twice, once for local disk and once for S3.
# Once we have migrated to service assets off S3, then we can convert this back to
# managed by the yaml file contents
STATICFILES_STORAGE = os.environ.get('STATICFILES_STORAGE', ENV_TOKENS.get('STATICFILES_STORAGE', STATICFILES_STORAGE))

# Load all AWS_ prefixed variables to allow an S3Boto3Storage to be configured
_locals = locals()
for key, value in ENV_TOKENS.items():
    if key.startswith('AWS_'):
        _locals[key] = value

# Currency
PAID_COURSE_REGISTRATION_CURRENCY = ENV_TOKENS.get('PAID_COURSE_REGISTRATION_CURRENCY',
                                                   PAID_COURSE_REGISTRATION_CURRENCY)

# We want Bulk Email running on the high-priority queue, so we define the
# routing key that points to it. At the moment, the name is the same.
# We have to reset the value here, since we have changed the value of the queue name.
BULK_EMAIL_ROUTING_KEY = ENV_TOKENS.get('BULK_EMAIL_ROUTING_KEY', HIGH_PRIORITY_QUEUE)

# We can run smaller jobs on the low priority queue. See note above for why
# we have to reset the value here.
BULK_EMAIL_ROUTING_KEY_SMALL_JOBS = ENV_TOKENS.get('BULK_EMAIL_ROUTING_KEY_SMALL_JOBS', DEFAULT_PRIORITY_QUEUE)

# Queue to use for expiring old entitlements
ENTITLEMENTS_EXPIRATION_ROUTING_KEY = ENV_TOKENS.get('ENTITLEMENTS_EXPIRATION_ROUTING_KEY', DEFAULT_PRIORITY_QUEUE)

# Message expiry time in seconds
CELERY_EVENT_QUEUE_TTL = ENV_TOKENS.get('CELERY_EVENT_QUEUE_TTL', None)

# Allow CELERY_QUEUES to be overwritten by ENV_TOKENS,
ENV_CELERY_QUEUES = ENV_TOKENS.get('CELERY_QUEUES', None)
if ENV_CELERY_QUEUES:
    CELERY_QUEUES = {queue: {} for queue in ENV_CELERY_QUEUES}

# Then add alternate environment queues
ALTERNATE_QUEUE_ENVS = ENV_TOKENS.get('ALTERNATE_WORKER_QUEUES', '').split()
ALTERNATE_QUEUES = [
    DEFAULT_PRIORITY_QUEUE.replace(QUEUE_VARIANT, alternate + '.')
    for alternate in ALTERNATE_QUEUE_ENVS
]
CELERY_QUEUES.update(
    {
        alternate: {}
        for alternate in ALTERNATE_QUEUES
        if alternate not in list(CELERY_QUEUES.keys())
    }
)

# following setting is for backward compatibility
if ENV_TOKENS.get('COMPREHENSIVE_THEME_DIR', None):
    COMPREHENSIVE_THEME_DIR = ENV_TOKENS.get('COMPREHENSIVE_THEME_DIR')


# COMPREHENSIVE_THEME_LOCALE_PATHS contain the paths to themes locale directories e.g.
# "COMPREHENSIVE_THEME_LOCALE_PATHS" : [
#        "/edx/src/edx-themes/conf/locale"
#    ],
COMPREHENSIVE_THEME_LOCALE_PATHS = ENV_TOKENS.get('COMPREHENSIVE_THEME_LOCALE_PATHS', [])


MKTG_URL_LINK_MAP.update(ENV_TOKENS.get('MKTG_URL_LINK_MAP', {}))
ENTERPRISE_MARKETING_FOOTER_QUERY_PARAMS = ENV_TOKENS.get(
    'ENTERPRISE_MARKETING_FOOTER_QUERY_PARAMS',
    ENTERPRISE_MARKETING_FOOTER_QUERY_PARAMS
)
# Marketing link overrides
MKTG_URL_OVERRIDES.update(ENV_TOKENS.get('MKTG_URL_OVERRIDES', MKTG_URL_OVERRIDES))

# Intentional defaults.
ID_VERIFICATION_SUPPORT_LINK = ENV_TOKENS.get('ID_VERIFICATION_SUPPORT_LINK', SUPPORT_SITE_LINK)
PASSWORD_RESET_SUPPORT_LINK = ENV_TOKENS.get('PASSWORD_RESET_SUPPORT_LINK', SUPPORT_SITE_LINK)
ACTIVATION_EMAIL_SUPPORT_LINK = ENV_TOKENS.get('ACTIVATION_EMAIL_SUPPORT_LINK', SUPPORT_SITE_LINK)
LOGIN_ISSUE_SUPPORT_LINK = ENV_TOKENS.get('LOGIN_ISSUE_SUPPORT_LINK', SUPPORT_SITE_LINK)

# Timezone overrides
TIME_ZONE = ENV_TOKENS.get('CELERY_TIMEZONE', CELERY_TIMEZONE)

# Translation overrides
LANGUAGE_DICT = dict(LANGUAGES)

LANGUAGE_COOKIE_NAME = ENV_TOKENS.get('LANGUAGE_COOKIE', None) or ENV_TOKENS.get(
    'LANGUAGE_COOKIE_NAME', LANGUAGE_COOKIE_NAME)

# Additional installed apps
for app in ENV_TOKENS.get('ADDL_INSTALLED_APPS', []):
    INSTALLED_APPS.append(app)


local_loglevel = ENV_TOKENS.get('LOCAL_LOGLEVEL', 'INFO')
LOG_DIR = ENV_TOKENS['LOG_DIR']
DATA_DIR = path(ENV_TOKENS.get('DATA_DIR', DATA_DIR))

LOGGING = get_logger_config(LOG_DIR,
                            logging_env=ENV_TOKENS['LOGGING_ENV'],
                            local_loglevel=local_loglevel,
                            service_variant=SERVICE_VARIANT)

COURSE_LISTINGS = ENV_TOKENS.get('COURSE_LISTINGS', {})
COMMENTS_SERVICE_URL = ENV_TOKENS.get("COMMENTS_SERVICE_URL", '')
COMMENTS_SERVICE_KEY = ENV_TOKENS.get("COMMENTS_SERVICE_KEY", '')
CERT_QUEUE = ENV_TOKENS.get("CERT_QUEUE", 'test-pull')

# Python lib settings
PYTHON_LIB_FILENAME = ENV_TOKENS.get('PYTHON_LIB_FILENAME', 'python_lib.zip')

# Code jail settings
for name, value in ENV_TOKENS.get("CODE_JAIL", {}).items():
    oldvalue = CODE_JAIL.get(name)
    if isinstance(oldvalue, dict):
        for subname, subvalue in value.items():
            oldvalue[subname] = subvalue
    else:
        CODE_JAIL[name] = value

COURSES_WITH_UNSAFE_CODE = ENV_TOKENS.get("COURSES_WITH_UNSAFE_CODE", [])

# Event Tracking
if "TRACKING_IGNORE_URL_PATTERNS" in ENV_TOKENS:
    TRACKING_IGNORE_URL_PATTERNS = ENV_TOKENS.get("TRACKING_IGNORE_URL_PATTERNS")

# SSL external authentication settings
SSL_AUTH_EMAIL_DOMAIN = ENV_TOKENS.get("SSL_AUTH_EMAIL_DOMAIN", "MIT.EDU")
SSL_AUTH_DN_FORMAT_STRING = ENV_TOKENS.get(
    "SSL_AUTH_DN_FORMAT_STRING",
    "/C=US/ST=Massachusetts/O=Massachusetts Institute of Technology/OU=Client CA v1/CN={0}/emailAddress={1}"
)

# Video Caching. Pairing country codes with CDN URLs.
# Example: {'CN': 'http://api.xuetangx.com/edx/video?s3_url='}
VIDEO_CDN_URL = ENV_TOKENS.get('VIDEO_CDN_URL', {})

# Determines whether the CSRF token can be transported on
# unencrypted channels. It is set to False here for backward compatibility,
# but it is highly recommended that this is True for enviroments accessed
# by end users.
CSRF_COOKIE_SECURE = ENV_TOKENS.get('CSRF_COOKIE_SECURE', False)

# Determines which origins are trusted for unsafe requests eg. POST requests.
CSRF_TRUSTED_ORIGINS = ENV_TOKENS.get('CSRF_TRUSTED_ORIGINS', [])

############# CORS headers for cross-domain requests #################

if FEATURES.get('ENABLE_CORS_HEADERS') or FEATURES.get('ENABLE_CROSS_DOMAIN_CSRF_COOKIE'):
    CORS_ALLOW_CREDENTIALS = True
    CORS_ORIGIN_WHITELIST = ENV_TOKENS.get('CORS_ORIGIN_WHITELIST', ())

    CORS_ORIGIN_ALLOW_ALL = ENV_TOKENS.get('CORS_ORIGIN_ALLOW_ALL', False)
    CORS_ALLOW_INSECURE = ENV_TOKENS.get('CORS_ALLOW_INSECURE', False)
    CORS_ALLOW_HEADERS = corsheaders_default_headers + (
        'use-jwt-cookie',
    )

    # If setting a cross-domain cookie, it's really important to choose
    # a name for the cookie that is DIFFERENT than the cookies used
    # by each subdomain.  For example, suppose the applications
    # at these subdomains are configured to use the following cookie names:
    #
    # 1) foo.example.com --> "csrftoken"
    # 2) baz.example.com --> "csrftoken"
    # 3) bar.example.com --> "csrftoken"
    #
    # For the cross-domain version of the CSRF cookie, you need to choose
    # a name DIFFERENT than "csrftoken"; otherwise, the new token configured
    # for ".example.com" could conflict with the other cookies,
    # non-deterministically causing 403 responses.
    #
    # Because of the way Django stores cookies, the cookie name MUST
    # be a `str`, not unicode.  Otherwise there will `TypeError`s will be raised
    # when Django tries to call the unicode `translate()` method with the wrong
    # number of parameters.
    CROSS_DOMAIN_CSRF_COOKIE_NAME = str(ENV_TOKENS.get('CROSS_DOMAIN_CSRF_COOKIE_NAME'))

    # When setting the domain for the "cross-domain" version of the CSRF
    # cookie, you should choose something like: ".example.com"
    # (note the leading dot), where both the referer and the host
    # are subdomains of "example.com".
    #
    # Browser security rules require that
    # the cookie domain matches the domain of the server; otherwise
    # the cookie won't get set.  And once the cookie gets set, the client
    # needs to be on a domain that matches the cookie domain, otherwise
    # the client won't be able to read the cookie.
    CROSS_DOMAIN_CSRF_COOKIE_DOMAIN = ENV_TOKENS.get('CROSS_DOMAIN_CSRF_COOKIE_DOMAIN')


# Field overrides. To use the IDDE feature, add
# 'courseware.student_field_overrides.IndividualStudentOverrideProvider'.
FIELD_OVERRIDE_PROVIDERS = tuple(ENV_TOKENS.get('FIELD_OVERRIDE_PROVIDERS', []))

############### XBlock filesystem field config ##########
if 'DJFS' in AUTH_TOKENS and AUTH_TOKENS['DJFS'] is not None:
    DJFS = AUTH_TOKENS['DJFS']

############### Module Store Items ##########
HOSTNAME_MODULESTORE_DEFAULT_MAPPINGS = ENV_TOKENS.get('HOSTNAME_MODULESTORE_DEFAULT_MAPPINGS', {})
# PREVIEW DOMAIN must be present in HOSTNAME_MODULESTORE_DEFAULT_MAPPINGS for the preview to show draft changes
if 'PREVIEW_LMS_BASE' in FEATURES and FEATURES['PREVIEW_LMS_BASE'] != '':
    PREVIEW_DOMAIN = FEATURES['PREVIEW_LMS_BASE'].split(':')[0]
    # update dictionary with preview domain regex
    HOSTNAME_MODULESTORE_DEFAULT_MAPPINGS.update({
        PREVIEW_DOMAIN: 'draft-preferred'
    })

MODULESTORE_FIELD_OVERRIDE_PROVIDERS = ENV_TOKENS.get(
    'MODULESTORE_FIELD_OVERRIDE_PROVIDERS',
    MODULESTORE_FIELD_OVERRIDE_PROVIDERS
)

XBLOCK_FIELD_DATA_WRAPPERS = ENV_TOKENS.get(
    'XBLOCK_FIELD_DATA_WRAPPERS',
    XBLOCK_FIELD_DATA_WRAPPERS
)

############### Mixed Related(Secure/Not-Secure) Items ##########
LMS_SEGMENT_KEY = AUTH_TOKENS.get('SEGMENT_KEY')

SECRET_KEY = AUTH_TOKENS['SECRET_KEY']

AWS_ACCESS_KEY_ID = AUTH_TOKENS["AWS_ACCESS_KEY_ID"]
if AWS_ACCESS_KEY_ID == "":
    AWS_ACCESS_KEY_ID = None

AWS_SECRET_ACCESS_KEY = AUTH_TOKENS["AWS_SECRET_ACCESS_KEY"]
if AWS_SECRET_ACCESS_KEY == "":
    AWS_SECRET_ACCESS_KEY = None

AWS_STORAGE_BUCKET_NAME = AUTH_TOKENS.get('AWS_STORAGE_BUCKET_NAME', 'edxuploads')

# Disabling querystring auth instructs Boto to exclude the querystring parameters (e.g. signature, access key) it
# normally appends to every returned URL.
AWS_QUERYSTRING_AUTH = AUTH_TOKENS.get('AWS_QUERYSTRING_AUTH', True)
AWS_S3_CUSTOM_DOMAIN = AUTH_TOKENS.get('AWS_S3_CUSTOM_DOMAIN', 'edxuploads.s3.amazonaws.com')

if AUTH_TOKENS.get('DEFAULT_FILE_STORAGE'):
    DEFAULT_FILE_STORAGE = AUTH_TOKENS.get('DEFAULT_FILE_STORAGE')
elif AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY:
    DEFAULT_FILE_STORAGE = 'storages.backends.s3boto.S3BotoStorage'
else:
    DEFAULT_FILE_STORAGE = 'django.core.files.storage.FileSystemStorage'

# If there is a database called 'read_replica', you can use the use_read_replica_if_available
# function in util/query.py, which is useful for very large database reads
DATABASES = AUTH_TOKENS['DATABASES']

# The normal database user does not have enough permissions to run migrations.
# Migrations are run with separate credentials, given as DB_MIGRATION_*
# environment variables
for name, database in DATABASES.items():
    if name != 'read_replica':
        database.update({
            'ENGINE': os.environ.get('DB_MIGRATION_ENGINE', database['ENGINE']),
            'USER': os.environ.get('DB_MIGRATION_USER', database['USER']),
            'PASSWORD': os.environ.get('DB_MIGRATION_PASS', database['PASSWORD']),
            'NAME': os.environ.get('DB_MIGRATION_NAME', database['NAME']),
            'HOST': os.environ.get('DB_MIGRATION_HOST', database['HOST']),
            'PORT': os.environ.get('DB_MIGRATION_PORT', database['PORT']),
        })

XQUEUE_INTERFACE = AUTH_TOKENS['XQUEUE_INTERFACE']

# Get the MODULESTORE from auth.json, but if it doesn't exist,
# use the one from common.py
MODULESTORE = convert_module_store_setting_if_needed(AUTH_TOKENS.get('MODULESTORE', MODULESTORE))
MONGODB_LOG = AUTH_TOKENS.get('MONGODB_LOG', {})

EMAIL_HOST_USER = AUTH_TOKENS.get('EMAIL_HOST_USER', '')  # django default is ''
EMAIL_HOST_PASSWORD = AUTH_TOKENS.get('EMAIL_HOST_PASSWORD', '')  # django default is ''

############################### BLOCKSTORE #####################################
BLOCKSTORE_API_URL = ENV_TOKENS.get('BLOCKSTORE_API_URL', None)  # e.g. "https://blockstore.example.com/api/v1/"
# Configure an API auth token at (blockstore URL)/admin/authtoken/token/
BLOCKSTORE_API_AUTH_TOKEN = AUTH_TOKENS.get('BLOCKSTORE_API_AUTH_TOKEN', None)

# Datadog for events!
DATADOG = AUTH_TOKENS.get("DATADOG", {})
DATADOG.update(ENV_TOKENS.get("DATADOG", {}))

# TODO: deprecated (compatibility with previous settings)
if 'DATADOG_API' in AUTH_TOKENS:
    DATADOG['api_key'] = AUTH_TOKENS['DATADOG_API']

# Analytics API
ANALYTICS_API_KEY = AUTH_TOKENS.get("ANALYTICS_API_KEY", ANALYTICS_API_KEY)
ANALYTICS_API_URL = ENV_TOKENS.get("ANALYTICS_API_URL", ANALYTICS_API_URL)

# Zendesk
ZENDESK_USER = AUTH_TOKENS.get("ZENDESK_USER")
ZENDESK_API_KEY = AUTH_TOKENS.get("ZENDESK_API_KEY")

# API Key for inbound requests from Notifier service
EDX_API_KEY = AUTH_TOKENS.get("EDX_API_KEY")

# Celery Broker
CELERY_BROKER_TRANSPORT = ENV_TOKENS.get("CELERY_BROKER_TRANSPORT", "")
CELERY_BROKER_HOSTNAME = ENV_TOKENS.get("CELERY_BROKER_HOSTNAME", "")
CELERY_BROKER_VHOST = ENV_TOKENS.get("CELERY_BROKER_VHOST", "")
CELERY_BROKER_USER = AUTH_TOKENS.get("CELERY_BROKER_USER", "")
CELERY_BROKER_PASSWORD = AUTH_TOKENS.get("CELERY_BROKER_PASSWORD", "")

BROKER_URL = "{}://{}:{}@{}/{}".format(CELERY_BROKER_TRANSPORT,
                                       CELERY_BROKER_USER,
                                       CELERY_BROKER_PASSWORD,
                                       CELERY_BROKER_HOSTNAME,
                                       CELERY_BROKER_VHOST)
BROKER_USE_SSL = ENV_TOKENS.get('CELERY_BROKER_USE_SSL', False)

try:
    BROKER_TRANSPORT_OPTIONS = {
        'fanout_patterns': True,
        'fanout_prefix': True,
        **ENV_TOKENS.get('CELERY_BROKER_TRANSPORT_OPTIONS', {})
    }
except TypeError as exc:
    raise ImproperlyConfigured('CELERY_BROKER_TRANSPORT_OPTIONS must be a dict') from exc

# Block Structures

# upload limits
STUDENT_FILEUPLOAD_MAX_SIZE = ENV_TOKENS.get("STUDENT_FILEUPLOAD_MAX_SIZE", STUDENT_FILEUPLOAD_MAX_SIZE)

# Event tracking
TRACKING_BACKENDS.update(AUTH_TOKENS.get("TRACKING_BACKENDS", {}))
EVENT_TRACKING_BACKENDS['tracking_logs']['OPTIONS']['backends'].update(AUTH_TOKENS.get("EVENT_TRACKING_BACKENDS", {}))
EVENT_TRACKING_BACKENDS['segmentio']['OPTIONS']['processors'][0]['OPTIONS']['whitelist'].extend(
    AUTH_TOKENS.get("EVENT_TRACKING_SEGMENTIO_EMIT_WHITELIST", []))
TRACKING_SEGMENTIO_WEBHOOK_SECRET = AUTH_TOKENS.get(
    "TRACKING_SEGMENTIO_WEBHOOK_SECRET",
    TRACKING_SEGMENTIO_WEBHOOK_SECRET
)
TRACKING_SEGMENTIO_ALLOWED_TYPES = ENV_TOKENS.get("TRACKING_SEGMENTIO_ALLOWED_TYPES", TRACKING_SEGMENTIO_ALLOWED_TYPES)
TRACKING_SEGMENTIO_DISALLOWED_SUBSTRING_NAMES = ENV_TOKENS.get(
    "TRACKING_SEGMENTIO_DISALLOWED_SUBSTRING_NAMES",
    TRACKING_SEGMENTIO_DISALLOWED_SUBSTRING_NAMES
)
TRACKING_SEGMENTIO_SOURCE_MAP = ENV_TOKENS.get("TRACKING_SEGMENTIO_SOURCE_MAP", TRACKING_SEGMENTIO_SOURCE_MAP)

# Heartbeat
HEARTBEAT_CELERY_ROUTING_KEY = ENV_TOKENS.get('HEARTBEAT_CELERY_ROUTING_KEY', HEARTBEAT_CELERY_ROUTING_KEY)

# Student identity verification settings
VERIFY_STUDENT = AUTH_TOKENS.get("VERIFY_STUDENT", VERIFY_STUDENT)
DISABLE_ACCOUNT_ACTIVATION_REQUIREMENT_SWITCH = ENV_TOKENS.get(
    "DISABLE_ACCOUNT_ACTIVATION_REQUIREMENT_SWITCH",
    DISABLE_ACCOUNT_ACTIVATION_REQUIREMENT_SWITCH
)

# Grades download
GRADES_DOWNLOAD_ROUTING_KEY = ENV_TOKENS.get('GRADES_DOWNLOAD_ROUTING_KEY', HIGH_MEM_QUEUE)

GRADES_DOWNLOAD = ENV_TOKENS.get("GRADES_DOWNLOAD", GRADES_DOWNLOAD)

# Rate limit for regrading tasks that a grading policy change can kick off

# financial reports
FINANCIAL_REPORTS = ENV_TOKENS.get("FINANCIAL_REPORTS", FINANCIAL_REPORTS)

##### ORA2 ######
# Prefix for uploads of example-based assessment AI classifiers
# This can be used to separate uploads for different environments
# within the same S3 bucket.
ORA2_FILE_PREFIX = ENV_TOKENS.get("ORA2_FILE_PREFIX", ORA2_FILE_PREFIX)

##### ACCOUNT LOCKOUT DEFAULT PARAMETERS #####
MAX_FAILED_LOGIN_ATTEMPTS_ALLOWED = ENV_TOKENS.get(
    "MAX_FAILED_LOGIN_ATTEMPTS_ALLOWED", MAX_FAILED_LOGIN_ATTEMPTS_ALLOWED
)

MAX_FAILED_LOGIN_ATTEMPTS_LOCKOUT_PERIOD_SECS = ENV_TOKENS.get(
    "MAX_FAILED_LOGIN_ATTEMPTS_LOCKOUT_PERIOD_SECS", MAX_FAILED_LOGIN_ATTEMPTS_LOCKOUT_PERIOD_SECS
)

##### LOGISTRATION RATE LIMIT SETTINGS #####
LOGISTRATION_RATELIMIT_RATE = ENV_TOKENS.get('LOGISTRATION_RATELIMIT_RATE', LOGISTRATION_RATELIMIT_RATE)
LOGISTRATION_API_RATELIMIT = ENV_TOKENS.get('LOGISTRATION_API_RATELIMIT', LOGISTRATION_API_RATELIMIT)
LOGIN_AND_REGISTER_FORM_RATELIMIT = ENV_TOKENS.get(
    'LOGIN_AND_REGISTER_FORM_RATELIMIT', LOGIN_AND_REGISTER_FORM_RATELIMIT
)
RESET_PASSWORD_TOKEN_VALIDATE_API_RATELIMIT = ENV_TOKENS.get(
    'RESET_PASSWORD_TOKEN_VALIDATE_API_RATELIMIT', RESET_PASSWORD_TOKEN_VALIDATE_API_RATELIMIT
)
RESET_PASSWORD_API_RATELIMIT = ENV_TOKENS.get('RESET_PASSWORD_API_RATELIMIT', RESET_PASSWORD_API_RATELIMIT)

##### REGISTRATION RATE LIMIT SETTINGS #####
REGISTRATION_VALIDATION_RATELIMIT = ENV_TOKENS.get(
    'REGISTRATION_VALIDATION_RATELIMIT', REGISTRATION_VALIDATION_RATELIMIT
)

REGISTRATION_RATELIMIT = ENV_TOKENS.get('REGISTRATION_RATELIMIT', REGISTRATION_RATELIMIT)

#### PASSWORD POLICY SETTINGS #####
AUTH_PASSWORD_VALIDATORS = ENV_TOKENS.get("AUTH_PASSWORD_VALIDATORS", AUTH_PASSWORD_VALIDATORS)

### INACTIVITY SETTINGS ####
SESSION_INACTIVITY_TIMEOUT_IN_SECONDS = AUTH_TOKENS.get("SESSION_INACTIVITY_TIMEOUT_IN_SECONDS")

##### LMS DEADLINE DISPLAY TIME_ZONE #######
TIME_ZONE_DISPLAYED_FOR_DEADLINES = ENV_TOKENS.get("TIME_ZONE_DISPLAYED_FOR_DEADLINES",
                                                   TIME_ZONE_DISPLAYED_FOR_DEADLINES)

#### PROCTORED EXAM SETTINGS ####
PROCTORED_EXAM_VIEWABLE_PAST_DUE = ENV_TOKENS.get('PROCTORED_EXAM_VIEWABLE_PAST_DUE', False)

##### Third-party auth options ################################################
ENABLE_REQUIRE_THIRD_PARTY_AUTH = ENV_TOKENS.get('ENABLE_REQUIRE_THIRD_PARTY_AUTH', False)

if FEATURES.get('ENABLE_THIRD_PARTY_AUTH'):
    tmp_backends = ENV_TOKENS.get('THIRD_PARTY_AUTH_BACKENDS', [
        'social_core.backends.google.GoogleOAuth2',
        'social_core.backends.linkedin.LinkedinOAuth2',
        'social_core.backends.facebook.FacebookOAuth2',
        'social_core.backends.azuread.AzureADOAuth2',
        'common.djangoapps.third_party_auth.appleid.AppleIdAuth',  # vendored 'social_core.backends.apple.AppleIdAuth'
        'common.djangoapps.third_party_auth.identityserver3.IdentityServer3',
        'common.djangoapps.third_party_auth.saml.SAMLAuthBackend',
        'common.djangoapps.third_party_auth.lti.LTIAuthBackend',
    ])

    AUTHENTICATION_BACKENDS = list(tmp_backends) + list(AUTHENTICATION_BACKENDS)
    del tmp_backends

    # The reduced session expiry time during the third party login pipeline. (Value in seconds)
    SOCIAL_AUTH_PIPELINE_TIMEOUT = ENV_TOKENS.get('SOCIAL_AUTH_PIPELINE_TIMEOUT', 600)

    # Most provider configuration is done via ConfigurationModels but for a few sensitive values
    # we allow configuration via AUTH_TOKENS instead (optionally).
    # The SAML private/public key values do not need the delimiter lines (such as
    # "-----BEGIN PRIVATE KEY-----", "-----END PRIVATE KEY-----" etc.) but they may be included
    # if you want (though it's easier to format the key values as JSON without the delimiters).
    SOCIAL_AUTH_SAML_SP_PRIVATE_KEY = AUTH_TOKENS.get('SOCIAL_AUTH_SAML_SP_PRIVATE_KEY', '')
    SOCIAL_AUTH_SAML_SP_PUBLIC_CERT = AUTH_TOKENS.get('SOCIAL_AUTH_SAML_SP_PUBLIC_CERT', '')
    SOCIAL_AUTH_SAML_SP_PRIVATE_KEY_DICT = AUTH_TOKENS.get('SOCIAL_AUTH_SAML_SP_PRIVATE_KEY_DICT', {})
    SOCIAL_AUTH_SAML_SP_PUBLIC_CERT_DICT = AUTH_TOKENS.get('SOCIAL_AUTH_SAML_SP_PUBLIC_CERT_DICT', {})
    SOCIAL_AUTH_OAUTH_SECRETS = AUTH_TOKENS.get('SOCIAL_AUTH_OAUTH_SECRETS', {})
    SOCIAL_AUTH_LTI_CONSUMER_SECRETS = AUTH_TOKENS.get('SOCIAL_AUTH_LTI_CONSUMER_SECRETS', {})

    # third_party_auth config moved to ConfigurationModels. This is for data migration only:
    THIRD_PARTY_AUTH_OLD_CONFIG = AUTH_TOKENS.get('THIRD_PARTY_AUTH', None)

    if ENV_TOKENS.get('THIRD_PARTY_AUTH_SAML_FETCH_PERIOD_HOURS', 24) is not None:
        CELERYBEAT_SCHEDULE['refresh-saml-metadata'] = {
            'task': 'common.djangoapps.third_party_auth.fetch_saml_metadata',
            'schedule': datetime.timedelta(hours=ENV_TOKENS.get('THIRD_PARTY_AUTH_SAML_FETCH_PERIOD_HOURS', 24)),
        }

    # The following can be used to integrate a custom login form with third_party_auth.
    # It should be a dict where the key is a word passed via ?auth_entry=, and the value is a
    # dict with an arbitrary 'secret_key' and a 'url'.
    THIRD_PARTY_AUTH_CUSTOM_AUTH_FORMS = AUTH_TOKENS.get('THIRD_PARTY_AUTH_CUSTOM_AUTH_FORMS', {})

##### OAUTH2 Provider ##############
if FEATURES.get('ENABLE_OAUTH2_PROVIDER'):
    OAUTH_ENFORCE_SECURE = ENV_TOKENS.get('OAUTH_ENFORCE_SECURE', True)
    OAUTH_ENFORCE_CLIENT_SECURE = ENV_TOKENS.get('OAUTH_ENFORCE_CLIENT_SECURE', True)
    # Defaults for the following are defined in lms.envs.common
    OAUTH_EXPIRE_DELTA = datetime.timedelta(
        days=ENV_TOKENS.get('OAUTH_EXPIRE_CONFIDENTIAL_CLIENT_DAYS', OAUTH_EXPIRE_CONFIDENTIAL_CLIENT_DAYS)
    )
    OAUTH_EXPIRE_DELTA_PUBLIC = datetime.timedelta(
        days=ENV_TOKENS.get('OAUTH_EXPIRE_PUBLIC_CLIENT_DAYS', OAUTH_EXPIRE_PUBLIC_CLIENT_DAYS)
    )


##### GOOGLE ANALYTICS IDS #####
GOOGLE_ANALYTICS_ACCOUNT = AUTH_TOKENS.get('GOOGLE_ANALYTICS_ACCOUNT')
GOOGLE_ANALYTICS_TRACKING_ID = AUTH_TOKENS.get('GOOGLE_ANALYTICS_TRACKING_ID')
GOOGLE_ANALYTICS_LINKEDIN = AUTH_TOKENS.get('GOOGLE_ANALYTICS_LINKEDIN')
GOOGLE_SITE_VERIFICATION_ID = ENV_TOKENS.get('GOOGLE_SITE_VERIFICATION_ID')

##### BRANCH.IO KEY #####
BRANCH_IO_KEY = AUTH_TOKENS.get('BRANCH_IO_KEY')

#### Course Registration Code length ####
REGISTRATION_CODE_LENGTH = ENV_TOKENS.get('REGISTRATION_CODE_LENGTH', 8)

# Which access.py permission names to check;
# We default this to the legacy permission 'see_exists'.
COURSE_CATALOG_VISIBILITY_PERMISSION = ENV_TOKENS.get(
    'COURSE_CATALOG_VISIBILITY_PERMISSION',
    COURSE_CATALOG_VISIBILITY_PERMISSION
)
COURSE_ABOUT_VISIBILITY_PERMISSION = ENV_TOKENS.get(
    'COURSE_ABOUT_VISIBILITY_PERMISSION',
    COURSE_ABOUT_VISIBILITY_PERMISSION
)

DEFAULT_COURSE_VISIBILITY_IN_CATALOG = ENV_TOKENS.get(
    'DEFAULT_COURSE_VISIBILITY_IN_CATALOG',
    DEFAULT_COURSE_VISIBILITY_IN_CATALOG
)

DEFAULT_MOBILE_AVAILABLE = ENV_TOKENS.get(
    'DEFAULT_MOBILE_AVAILABLE',
    DEFAULT_MOBILE_AVAILABLE
)

# Enrollment API Cache Timeout
ENROLLMENT_COURSE_DETAILS_CACHE_TIMEOUT = ENV_TOKENS.get('ENROLLMENT_COURSE_DETAILS_CACHE_TIMEOUT', 60)

# Ecommerce Orders API Cache Timeout
ECOMMERCE_ORDERS_API_CACHE_TIMEOUT = ENV_TOKENS.get('ECOMMERCE_ORDERS_API_CACHE_TIMEOUT', 3600)

if FEATURES.get('ENABLE_COURSEWARE_SEARCH') or \
   FEATURES.get('ENABLE_DASHBOARD_SEARCH') or \
   FEATURES.get('ENABLE_COURSE_DISCOVERY') or \
   FEATURES.get('ENABLE_TEAMS'):
    # Use ElasticSearch as the search engine herein
    SEARCH_ENGINE = "search.elastic.ElasticSearchEngine"
    SEARCH_FILTER_GENERATOR = ENV_TOKENS.get('SEARCH_FILTER_GENERATOR', SEARCH_FILTER_GENERATOR)

# TODO: Once we have successfully upgraded to ES7, switch this back to ELASTIC_SEARCH_CONFIG.
ELASTIC_SEARCH_CONFIG = ENV_TOKENS.get('ELASTIC_SEARCH_CONFIG_ES7', [{}])

# Facebook app
FACEBOOK_API_VERSION = AUTH_TOKENS.get("FACEBOOK_API_VERSION")
FACEBOOK_APP_SECRET = AUTH_TOKENS.get("FACEBOOK_APP_SECRET")
FACEBOOK_APP_ID = AUTH_TOKENS.get("FACEBOOK_APP_ID")

XBLOCK_SETTINGS = ENV_TOKENS.get('XBLOCK_SETTINGS', {})
XBLOCK_SETTINGS.setdefault("VideoBlock", {})["licensing_enabled"] = FEATURES.get("LICENSING", False)
XBLOCK_SETTINGS.setdefault("VideoBlock", {})['YOUTUBE_API_KEY'] = AUTH_TOKENS.get('YOUTUBE_API_KEY', YOUTUBE_API_KEY)

##### Custom Courses for EdX #####
if FEATURES.get('CUSTOM_COURSES_EDX'):
    INSTALLED_APPS += ['lms.djangoapps.ccx', 'openedx.core.djangoapps.ccxcon.apps.CCXConnectorConfig']
    MODULESTORE_FIELD_OVERRIDE_PROVIDERS += (
        'lms.djangoapps.ccx.overrides.CustomCoursesForEdxOverrideProvider',
    )

##### Individual Due Date Extensions #####
if FEATURES.get('INDIVIDUAL_DUE_DATES'):
    FIELD_OVERRIDE_PROVIDERS += (
        'courseware.student_field_overrides.IndividualStudentOverrideProvider',
    )

##### Show Answer Override for Self-Paced Courses #####
FIELD_OVERRIDE_PROVIDERS += (
    'openedx.features.personalized_learner_schedules.show_answer.show_answer_field_override.ShowAnswerFieldOverride',
)

##### Self-Paced Course Due Dates #####
XBLOCK_FIELD_DATA_WRAPPERS += (
    'lms.djangoapps.courseware.field_overrides:OverrideModulestoreFieldData.wrap',
)

MODULESTORE_FIELD_OVERRIDE_PROVIDERS += (
    'lms.djangoapps.courseware.self_paced_overrides.SelfPacedDateOverrideProvider',
)

# PROFILE IMAGE CONFIG
PROFILE_IMAGE_DEFAULT_FILENAME = 'images/profiles/default'
PROFILE_IMAGE_SIZES_MAP = ENV_TOKENS.get(
    'PROFILE_IMAGE_SIZES_MAP',
    PROFILE_IMAGE_SIZES_MAP
)

##### Credit Provider Integration #####

CREDIT_PROVIDER_SECRET_KEYS = AUTH_TOKENS.get("CREDIT_PROVIDER_SECRET_KEYS", {})

##################### LTI Provider #####################
if FEATURES.get('ENABLE_LTI_PROVIDER'):
    INSTALLED_APPS.append('lms.djangoapps.lti_provider.apps.LtiProviderConfig')
    AUTHENTICATION_BACKENDS.append('lms.djangoapps.lti_provider.users.LtiBackend')

LTI_USER_EMAIL_DOMAIN = ENV_TOKENS.get('LTI_USER_EMAIL_DOMAIN', 'lti.example.com')

# For more info on this, see the notes in common.py
LTI_AGGREGATE_SCORE_PASSBACK_DELAY = ENV_TOKENS.get(
    'LTI_AGGREGATE_SCORE_PASSBACK_DELAY', LTI_AGGREGATE_SCORE_PASSBACK_DELAY
)

##################### Credit Provider help link ####################

#### JWT configuration ####
JWT_AUTH.update(ENV_TOKENS.get('JWT_AUTH', {}))
JWT_AUTH.update(AUTH_TOKENS.get('JWT_AUTH', {}))

# Offset for pk of courseware.StudentModuleHistoryExtended
STUDENTMODULEHISTORYEXTENDED_OFFSET = ENV_TOKENS.get(
    'STUDENTMODULEHISTORYEXTENDED_OFFSET', STUDENTMODULEHISTORYEXTENDED_OFFSET
)

################################ Settings for Credentials Service ################################

CREDENTIALS_GENERATION_ROUTING_KEY = ENV_TOKENS.get('CREDENTIALS_GENERATION_ROUTING_KEY', DEFAULT_PRIORITY_QUEUE)

# Queue to use for award program certificates
PROGRAM_CERTIFICATES_ROUTING_KEY = ENV_TOKENS.get('PROGRAM_CERTIFICATES_ROUTING_KEY', DEFAULT_PRIORITY_QUEUE)
SOFTWARE_SECURE_VERIFICATION_ROUTING_KEY = ENV_TOKENS.get(
    'SOFTWARE_SECURE_VERIFICATION_ROUTING_KEY',
    HIGH_PRIORITY_QUEUE
)

API_ACCESS_MANAGER_EMAIL = ENV_TOKENS.get('API_ACCESS_MANAGER_EMAIL')
API_ACCESS_FROM_EMAIL = ENV_TOKENS.get('API_ACCESS_FROM_EMAIL')

############## OPEN EDX ENTERPRISE SERVICE CONFIGURATION ######################
# The Open edX Enterprise service is currently hosted via the LMS container/process.
# However, for all intents and purposes this service is treated as a standalone IDA.
# These configuration settings are specific to the Enterprise service and you should
# not find references to them within the edx-platform project.

# Publicly-accessible enrollment URL, for use on the client side.
ENTERPRISE_PUBLIC_ENROLLMENT_API_URL = ENV_TOKENS.get(
    'ENTERPRISE_PUBLIC_ENROLLMENT_API_URL',
    (LMS_ROOT_URL or '') + LMS_ENROLLMENT_API_PATH
)

# Enrollment URL used on the server-side.
ENTERPRISE_ENROLLMENT_API_URL = ENV_TOKENS.get(
    'ENTERPRISE_ENROLLMENT_API_URL',
    (LMS_INTERNAL_ROOT_URL or '') + LMS_ENROLLMENT_API_PATH
)

# Enterprise logo image size limit in KB's
ENTERPRISE_CUSTOMER_LOGO_IMAGE_SIZE = ENV_TOKENS.get(
    'ENTERPRISE_CUSTOMER_LOGO_IMAGE_SIZE',
    ENTERPRISE_CUSTOMER_LOGO_IMAGE_SIZE
)

# Course enrollment modes to be hidden in the Enterprise enrollment page
# if the "Hide audit track" flag is enabled for an EnterpriseCustomer
ENTERPRISE_COURSE_ENROLLMENT_AUDIT_MODES = ENV_TOKENS.get(
    'ENTERPRISE_COURSE_ENROLLMENT_AUDIT_MODES',
    ENTERPRISE_COURSE_ENROLLMENT_AUDIT_MODES
)

# A support URL used on Enterprise landing pages for when a warning
# message goes off.
ENTERPRISE_SUPPORT_URL = ENV_TOKENS.get(
    'ENTERPRISE_SUPPORT_URL',
    ENTERPRISE_SUPPORT_URL
)

# A default dictionary to be used for filtering out enterprise customer catalog.
ENTERPRISE_CUSTOMER_CATALOG_DEFAULT_CONTENT_FILTER = ENV_TOKENS.get(
    'ENTERPRISE_CUSTOMER_CATALOG_DEFAULT_CONTENT_FILTER',
    ENTERPRISE_CUSTOMER_CATALOG_DEFAULT_CONTENT_FILTER
)
INTEGRATED_CHANNELS_API_CHUNK_TRANSMISSION_LIMIT = ENV_TOKENS.get(
    'INTEGRATED_CHANNELS_API_CHUNK_TRANSMISSION_LIMIT',
    INTEGRATED_CHANNELS_API_CHUNK_TRANSMISSION_LIMIT
)

############## ENTERPRISE SERVICE API CLIENT CONFIGURATION ######################
# The LMS communicates with the Enterprise service via the EdxRestApiClient class
# The below environmental settings are utilized by the LMS when interacting with
# the service, and override the default parameters which are defined in common.py

DEFAULT_ENTERPRISE_API_URL = None
if LMS_INTERNAL_ROOT_URL is not None:
    DEFAULT_ENTERPRISE_API_URL = LMS_INTERNAL_ROOT_URL + '/enterprise/api/v1/'
ENTERPRISE_API_URL = ENV_TOKENS.get('ENTERPRISE_API_URL', DEFAULT_ENTERPRISE_API_URL)

DEFAULT_ENTERPRISE_CONSENT_API_URL = None
if LMS_INTERNAL_ROOT_URL is not None:
    DEFAULT_ENTERPRISE_CONSENT_API_URL = LMS_INTERNAL_ROOT_URL + '/consent/api/v1/'
ENTERPRISE_CONSENT_API_URL = ENV_TOKENS.get('ENTERPRISE_CONSENT_API_URL', DEFAULT_ENTERPRISE_CONSENT_API_URL)

ENTERPRISE_SERVICE_WORKER_USERNAME = ENV_TOKENS.get(
    'ENTERPRISE_SERVICE_WORKER_USERNAME',
    ENTERPRISE_SERVICE_WORKER_USERNAME
)
ENTERPRISE_API_CACHE_TIMEOUT = ENV_TOKENS.get(
    'ENTERPRISE_API_CACHE_TIMEOUT',
    ENTERPRISE_API_CACHE_TIMEOUT
)
ENTERPRISE_CATALOG_INTERNAL_ROOT_URL = ENV_TOKENS.get(
    'ENTERPRISE_CATALOG_INTERNAL_ROOT_URL',
    ENTERPRISE_CATALOG_INTERNAL_ROOT_URL
)

############## ENTERPRISE SERVICE LMS CONFIGURATION ##################################
# The LMS has some features embedded that are related to the Enterprise service, but
# which are not provided by the Enterprise service. These settings override the
# base values for the parameters as defined in common.py

ENTERPRISE_PLATFORM_WELCOME_TEMPLATE = ENV_TOKENS.get(
    'ENTERPRISE_PLATFORM_WELCOME_TEMPLATE',
    ENTERPRISE_PLATFORM_WELCOME_TEMPLATE
)
ENTERPRISE_SPECIFIC_BRANDED_WELCOME_TEMPLATE = ENV_TOKENS.get(
    'ENTERPRISE_SPECIFIC_BRANDED_WELCOME_TEMPLATE',
    ENTERPRISE_SPECIFIC_BRANDED_WELCOME_TEMPLATE
)
ENTERPRISE_TAGLINE = ENV_TOKENS.get(
    'ENTERPRISE_TAGLINE',
    ENTERPRISE_TAGLINE
)
ENTERPRISE_EXCLUDED_REGISTRATION_FIELDS = set(
    ENV_TOKENS.get(
        'ENTERPRISE_EXCLUDED_REGISTRATION_FIELDS',
        ENTERPRISE_EXCLUDED_REGISTRATION_FIELDS
    )
)
BASE_COOKIE_DOMAIN = ENV_TOKENS.get(
    'BASE_COOKIE_DOMAIN',
    BASE_COOKIE_DOMAIN
)
SYSTEM_TO_FEATURE_ROLE_MAPPING = ENV_TOKENS.get(
    'SYSTEM_TO_FEATURE_ROLE_MAPPING',
    SYSTEM_TO_FEATURE_ROLE_MAPPING
)

# Add an ICP license for serving content in China if your organization is registered to do so
ICP_LICENSE = ENV_TOKENS.get('ICP_LICENSE', None)
ICP_LICENSE_INFO = ENV_TOKENS.get('ICP_LICENSE_INFO', {})

# How long to cache OpenAPI schemas and UI, in seconds.
OPENAPI_CACHE_TIMEOUT = ENV_TOKENS.get('OPENAPI_CACHE_TIMEOUT', 60 * 60)

########################## Parental controls config  #######################

# The age at which a learner no longer requires parental consent, or None
# if parental consent is never required.
PARENTAL_CONSENT_AGE_LIMIT = ENV_TOKENS.get(
    'PARENTAL_CONSENT_AGE_LIMIT',
    PARENTAL_CONSENT_AGE_LIMIT
)

########################## Extra middleware classes  #######################

# Allow extra middleware classes to be added to the app through configuration.
MIDDLEWARE.extend(ENV_TOKENS.get('EXTRA_MIDDLEWARE_CLASSES', []))

################# Settings for the maintenance banner #################
MAINTENANCE_BANNER_TEXT = ENV_TOKENS.get('MAINTENANCE_BANNER_TEXT', None)

########################## limiting dashboard courses ######################
DASHBOARD_COURSE_LIMIT = ENV_TOKENS.get('DASHBOARD_COURSE_LIMIT', None)

######################## Setting for content libraries ########################
MAX_BLOCKS_PER_CONTENT_LIBRARY = ENV_TOKENS.get('MAX_BLOCKS_PER_CONTENT_LIBRARY', MAX_BLOCKS_PER_CONTENT_LIBRARY)

############################### Plugin Settings ###############################

# This is at the bottom because it is going to load more settings after base settings are loaded

# Load production.py in plugins
add_plugins(__name__, ProjectType.LMS, SettingsType.PRODUCTION)

########################## Derive Any Derived Settings  #######################

derive_settings(__name__)

############## Settings for Completion API #########################

# Once a user has watched this percentage of a video, mark it as complete:
# (0.0 = 0%, 1.0 = 100%)
COMPLETION_VIDEO_COMPLETE_PERCENTAGE = ENV_TOKENS.get('COMPLETION_VIDEO_COMPLETE_PERCENTAGE',
                                                      COMPLETION_VIDEO_COMPLETE_PERCENTAGE)
COMPLETION_BY_VIEWING_DELAY_MS = ENV_TOKENS.get('COMPLETION_BY_VIEWING_DELAY_MS',
                                                COMPLETION_BY_VIEWING_DELAY_MS)

################# Settings for brand logos. #################
LOGO_URL = ENV_TOKENS.get('LOGO_URL', LOGO_URL)
LOGO_URL_PNG = ENV_TOKENS.get('LOGO_URL_PNG', LOGO_URL_PNG)
LOGO_TRADEMARK_URL = ENV_TOKENS.get('LOGO_TRADEMARK_URL', LOGO_TRADEMARK_URL)
FAVICON_URL = ENV_TOKENS.get('FAVICON_URL', FAVICON_URL)

######################## CELERY ROUTING ########################

# Defines alternate environment tasks, as a dict of form { task_name: alternate_queue }
ALTERNATE_ENV_TASKS = {}

# Defines the task -> alternate worker queue to be used when routing.
EXPLICIT_QUEUES = {
    'openedx.core.djangoapps.content.course_overviews.tasks.async_course_overview_update': {
        'queue': GRADES_DOWNLOAD_ROUTING_KEY},
    'lms.djangoapps.bulk_email.tasks.send_course_email': {
        'queue': BULK_EMAIL_ROUTING_KEY},
    'openedx.core.djangoapps.heartbeat.tasks.sample_task': {
        'queue': HEARTBEAT_CELERY_ROUTING_KEY},
    'lms.djangoapps.instructor_task.tasks.calculate_grades_csv': {
        'queue': GRADES_DOWNLOAD_ROUTING_KEY},
    'lms.djangoapps.instructor_task.tasks.calculate_problem_grade_report': {
        'queue': GRADES_DOWNLOAD_ROUTING_KEY},
    'lms.djangoapps.instructor_task.tasks.generate_certificates': {
        'queue': GRADES_DOWNLOAD_ROUTING_KEY},
    'lms.djangoapps.verify_student.tasks.send_verification_status_email': {
        'queue': ACE_ROUTING_KEY},
    'lms.djangoapps.verify_student.tasks.send_ace_message': {
        'queue': ACE_ROUTING_KEY},
    'lms.djangoapps.verify_student.tasks.send_request_to_ss_for_user': {
        'queue': SOFTWARE_SECURE_VERIFICATION_ROUTING_KEY},
    'openedx.core.djangoapps.schedules.tasks._recurring_nudge_schedule_send': {
        'queue': ACE_ROUTING_KEY},
    'openedx.core.djangoapps.schedules.tasks._upgrade_reminder_schedule_send': {
        'queue': ACE_ROUTING_KEY},
    'openedx.core.djangoapps.schedules.tasks._course_update_schedule_send': {
        'queue': ACE_ROUTING_KEY},
    'openedx.core.djangoapps.schedules.tasks.v1.tasks.send_grade_to_credentials': {
        'queue': CREDENTIALS_GENERATION_ROUTING_KEY},
    'common.djangoapps.entitlements.tasks.expire_old_entitlements': {
        'queue': ENTITLEMENTS_EXPIRATION_ROUTING_KEY},
    'lms.djangoapps.grades.tasks.recalculate_course_and_subsection_grades_for_user': {
        'queue': POLICY_CHANGE_GRADES_ROUTING_KEY},
    'lms.djangoapps.grades.tasks.recalculate_subsection_grade_v3': {
        'queue': RECALCULATE_GRADES_ROUTING_KEY},
    'openedx.core.djangoapps.programs.tasks.award_program_certificates': {
        'queue': PROGRAM_CERTIFICATES_ROUTING_KEY},
    'openedx.core.djangoapps.programs.tasks.revoke_program_certificates': {
        'queue': PROGRAM_CERTIFICATES_ROUTING_KEY},
    'openedx.core.djangoapps.programs.tasks.update_certificate_visible_date_on_course_update': {
        'queue': PROGRAM_CERTIFICATES_ROUTING_KEY},
    'openedx.core.djangoapps.programs.tasks.award_course_certificate': {
        'queue': PROGRAM_CERTIFICATES_ROUTING_KEY},
}

LOGO_IMAGE_EXTRA_TEXT = ENV_TOKENS.get('LOGO_IMAGE_EXTRA_TEXT', '')

############## XBlock extra mixins ############################
XBLOCK_MIXINS += tuple(XBLOCK_EXTRA_MIXINS)

############## Settings for course import olx validation ############################
COURSE_OLX_VALIDATION_STAGE = ENV_TOKENS.get('COURSE_OLX_VALIDATION_STAGE', COURSE_OLX_VALIDATION_STAGE)
COURSE_OLX_VALIDATION_IGNORE_LIST = ENV_TOKENS.get(
    'COURSE_OLX_VALIDATION_IGNORE_LIST',
    COURSE_OLX_VALIDATION_IGNORE_LIST
)

################# show account activate cta after register ########################
SHOW_ACCOUNT_ACTIVATION_CTA = ENV_TOKENS.get('SHOW_ACCOUNT_ACTIVATION_CTA', SHOW_ACCOUNT_ACTIVATION_CTA)

################# Settings for Chrome-specific origin trials ########
# Token for "Disable Different Origin Subframe Dialog Suppression" Chrome Origin Trial, which must be origin-specific.
CHROME_DISABLE_SUBFRAME_DIALOG_SUPPRESSION_TOKEN = ENV_TOKENS.get(
    'CHROME_DISABLE_SUBFRAME_DIALOG_SUPPRESSION_TOKEN', CHROME_DISABLE_SUBFRAME_DIALOG_SUPPRESSION_TOKEN
)