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zulip/zproject/settings.py

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# Django settings for zulip project.
########################################################################
# Here's how settings for the Zulip project work:
#
# * settings.py contains non-site-specific and settings configuration
# for the Zulip Django app.
# * settings.py imports prod_settings.py, and any site-specific configuration
# belongs there. The template for prod_settings.py is prod_settings_template.py
#
# See https://zulip.readthedocs.io/en/latest/subsystems/settings.html for more information
#
########################################################################
from copy import deepcopy
import os
import time
import sys
from typing import Any, Dict, List, Union
from zerver.lib.db import TimeTrackingConnection
import zerver.lib.logging_util
########################################################################
# INITIAL SETTINGS
########################################################################
from .config import DEPLOY_ROOT, PRODUCTION, DEVELOPMENT, get_secret, get_config, get_from_file_if_exists
# Make this unique, and don't share it with anybody.
SECRET_KEY = get_secret("secret_key")
# A shared secret, used to authenticate different parts of the app to each other.
SHARED_SECRET = get_secret("shared_secret")
# We use this salt to hash a user's email into a filename for their user-uploaded
# avatar. If this salt is discovered, attackers will only be able to determine
# that the owner of an email account has uploaded an avatar to Zulip, which isn't
# the end of the world. Don't use the salt where there is more security exposure.
AVATAR_SALT = get_secret("avatar_salt")
# SERVER_GENERATION is used to track whether the server has been
# restarted for triggering browser clients to reload.
SERVER_GENERATION = int(time.time())
# Key to authenticate this server to zulip.org for push notifications, etc.
ZULIP_ORG_KEY = get_secret("zulip_org_key")
ZULIP_ORG_ID = get_secret("zulip_org_id")
if 'DEBUG' not in globals():
# Uncomment end of next line to test CSS minification.
# For webpack JS minification use tools/run_dev.py --minify
DEBUG = DEVELOPMENT # and platform.node() != 'your-machine'
if DEBUG:
INTERNAL_IPS = ('127.0.0.1',)
# Detect whether we're running as a queue worker; this impacts the logging configuration.
if len(sys.argv) > 2 and sys.argv[0].endswith('manage.py') and sys.argv[1] == 'process_queue':
IS_WORKER = True
else:
IS_WORKER = False
# This is overridden in test_settings.py for the test suites
TEST_SUITE = False
# The new user tutorial is enabled by default, but disabled for client tests.
TUTORIAL_ENABLED = True
# This is overridden in test_settings.py for the test suites
CASPER_TESTS = False
# This is overridden in test_settings.py for the test suites
RUNNING_OPENAPI_CURL_TEST = False
# This is overridden in test_settings.py for the test suites
GENERATE_STRIPE_FIXTURES = False
# Google Compute Engine has an /etc/boto.cfg that is "nicely
# configured" to work with GCE's storage service. However, their
# configuration is super aggressive broken, in that it means importing
# boto in a virtualenv that doesn't contain the GCE tools crashes.
#
# By using our own path for BOTO_CONFIG, we can cause boto to not
# process /etc/boto.cfg.
os.environ['BOTO_CONFIG'] = '/etc/zulip/boto.cfg'
########################################################################
# DEFAULT VALUES FOR SETTINGS
########################################################################
# For any settings that are not set in the site-specific configuration file
# (/etc/zulip/settings.py in production, or dev_settings.py or test_settings.py
# in dev and test), we want to initialize them to sane defaults.
from .default_settings import *
# Import variables like secrets from the prod_settings file
# Import prod_settings after determining the deployment/machine type
if PRODUCTION:
from .prod_settings import *
else:
from .dev_settings import *
# These are the settings that we will check that the user has filled in for
# production deployments before starting the app. It consists of a series
# of pairs of (setting name, default value that it must be changed from)
REQUIRED_SETTINGS = [("EXTERNAL_HOST", "zulip.example.com"),
("ZULIP_ADMINISTRATOR", "zulip-admin@example.com"),
# SECRET_KEY doesn't really need to be here, in
# that we set it automatically, but just in
# case, it seems worth having in this list
("SECRET_KEY", ""),
("AUTHENTICATION_BACKENDS", ()),
]
MANAGERS = ADMINS
########################################################################
# STANDARD DJANGO SETTINGS
########################################################################
# Local time zone for this installation. Choices can be found here:
# https://en.wikipedia.org/wiki/List_of_tz_zones_by_name
# although not all choices may be available on all operating systems.
# In a Windows environment this must be set to your system time zone.
TIME_ZONE = 'UTC'
# Language code for this installation. All choices can be found here:
# http://www.i18nguy.com/unicode/language-identifiers.html
LANGUAGE_CODE = 'en-us'
# If you set this to False, Django will make some optimizations so as not
# to load the internationalization machinery.
USE_I18N = True
# If you set this to False, Django will not format dates, numbers and
# calendars according to the current locale.
USE_L10N = True
# If you set this to False, Django will not use timezone-aware datetimes.
USE_TZ = True
# this directory will be used to store logs for development environment
DEVELOPMENT_LOG_DIRECTORY = os.path.join(DEPLOY_ROOT, 'var', 'log')
# Make redirects work properly behind a reverse proxy
USE_X_FORWARDED_HOST = True
# Extend ALLOWED_HOSTS with localhost (needed to RPC to Tornado),
ALLOWED_HOSTS += ['127.0.0.1', 'localhost']
# ... with hosts corresponding to EXTERNAL_HOST,
ALLOWED_HOSTS += [EXTERNAL_HOST.split(":")[0],
'.' + EXTERNAL_HOST.split(":")[0]]
# ... and with the hosts in REALM_HOSTS.
ALLOWED_HOSTS += REALM_HOSTS.values()
from django.template.loaders import app_directories
class TwoFactorLoader(app_directories.Loader):
def get_dirs(self) -> List[str]:
dirs = super().get_dirs()
return [d for d in dirs if 'two_factor' in d]
MIDDLEWARE = (
# With the exception of it's dependencies,
# our logging middleware should be the top middleware item.
'zerver.middleware.TagRequests',
'zerver.middleware.SetRemoteAddrFromForwardedFor',
'zerver.middleware.LogRequests',
'zerver.middleware.JsonErrorHandler',
'zerver.middleware.RateLimitMiddleware',
'zerver.middleware.FlushDisplayRecipientCache',
'zerver.middleware.ZulipCommonMiddleware',
'zerver.middleware.SessionHostDomainMiddleware',
'django.middleware.locale.LocaleMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
# Make sure 2FA middlewares come after authentication middleware.
'django_otp.middleware.OTPMiddleware', # Required by Two Factor auth.
'two_factor.middleware.threadlocals.ThreadLocals', # Required by Twilio
# Needs to be after CommonMiddleware, which sets Content-Length
'zerver.middleware.FinalizeOpenGraphDescription',
)
ANONYMOUS_USER_ID = None
AUTH_USER_MODEL = "zerver.UserProfile"
TEST_RUNNER = 'zerver.lib.test_runner.Runner'
ROOT_URLCONF = 'zproject.urls'
# Python dotted path to the WSGI application used by Django's runserver.
WSGI_APPLICATION = 'zproject.wsgi.application'
# A site can include additional installed apps via the
# EXTRA_INSTALLED_APPS setting
INSTALLED_APPS = [
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.staticfiles',
'confirmation',
'webpack_loader',
'zerver',
'social_django',
# 2FA related apps.
'django_otp',
'django_otp.plugins.otp_static',
'django_otp.plugins.otp_totp',
'two_factor',
]
if USING_PGROONGA:
INSTALLED_APPS += ['pgroonga']
INSTALLED_APPS += EXTRA_INSTALLED_APPS
ZILENCER_ENABLED = 'zilencer' in INSTALLED_APPS
CORPORATE_ENABLED = 'corporate' in INSTALLED_APPS
# Base URL of the Tornado server
# We set it to None when running backend tests or populate_db.
# We override the port number when running frontend tests.
TORNADO_PROCESSES = int(get_config('application_server', 'tornado_processes', '1'))
TORNADO_SERVER = 'http://127.0.0.1:9993' # type: Optional[str]
RUNNING_INSIDE_TORNADO = False
AUTORELOAD = DEBUG
SILENCED_SYSTEM_CHECKS = [
# auth.W004 checks that the UserProfile field named by USERNAME_FIELD has
# `unique=True`. For us this is `email`, and it's unique only per-realm.
# Per Django docs, this is perfectly fine so long as our authentication
# backends support the username not being unique; and they do.
# See: https://docs.djangoproject.com/en/2.2/topics/auth/customizing/#django.contrib.auth.models.CustomUser.USERNAME_FIELD
"auth.W004",
]
########################################################################
# DATABASE CONFIGURATION
########################################################################
# Zulip's Django configuration supports 4 different ways to do
# postgres authentication:
#
# * The development environment uses the `local_database_password`
# secret from `zulip-secrets.conf` to authenticate with a local
# database. The password is automatically generated and managed by
# `generate_secrets.py` during or provision.
#
# The remaining 3 options are for production use:
#
# * Using postgres' "peer" authentication to authenticate to a
# database on the local system using one's user ID (processes
# running as user `zulip` on the system are automatically
# authenticated as database user `zulip`). This is the default in
# production. We don't use this in the development environment,
# because it requires the developer's user to be called `zulip`.
#
# * Using password authentication with a remote postgres server using
# the `REMOTE_POSTGRES_HOST` setting and the password from the
# `postgres_password` secret.
#
# * Using passwordless authentication with a remote postgres server
# using the `REMOTE_POSTGRES_HOST` setting and a client certificate
# under `/home/zulip/.postgresql/`.
#
# We implement these options with a default DATABASES configuration
# supporting peer authentication, with logic to override it as
# appropriate if DEVELOPMENT or REMOTE_POSTGRES_HOST is set.
DATABASES = {"default": {
'ENGINE': 'django.db.backends.postgresql',
'NAME': 'zulip',
'USER': 'zulip',
# Password = '' => peer/certificate authentication (no password)
'PASSWORD': '',
# Host = '' => connect to localhost by default
'HOST': '',
'SCHEMA': 'zulip',
'CONN_MAX_AGE': 600,
'OPTIONS': {
'connection_factory': TimeTrackingConnection
},
}} # type: Dict[str, Dict[str, Any]]
if DEVELOPMENT:
LOCAL_DATABASE_PASSWORD = get_secret("local_database_password")
DATABASES["default"].update({
'PASSWORD': LOCAL_DATABASE_PASSWORD,
'HOST': 'localhost'
})
elif REMOTE_POSTGRES_HOST != '':
DATABASES['default'].update({
'HOST': REMOTE_POSTGRES_HOST,
'PORT': REMOTE_POSTGRES_PORT
})
if get_secret("postgres_password") is not None:
DATABASES['default'].update({
'PASSWORD': get_secret("postgres_password"),
})
if REMOTE_POSTGRES_SSLMODE != '':
DATABASES['default']['OPTIONS']['sslmode'] = REMOTE_POSTGRES_SSLMODE
else:
DATABASES['default']['OPTIONS']['sslmode'] = 'verify-full'
POSTGRES_MISSING_DICTIONARIES = bool(get_config('postgresql', 'missing_dictionaries', None))
########################################################################
# RABBITMQ CONFIGURATION
########################################################################
USING_RABBITMQ = True
RABBITMQ_PASSWORD = get_secret("rabbitmq_password")
########################################################################
# CACHING CONFIGURATION
########################################################################
SESSION_ENGINE = "django.contrib.sessions.backends.cached_db"
# Compress large values being stored in memcached; this is important
# for at least the realm_users cache.
PYLIBMC_MIN_COMPRESS_LEN = 100 * 1024
PYLIBMC_COMPRESS_LEVEL = 1
MEMCACHED_PASSWORD = get_secret("memcached_password")
CACHES = {
'default': {
'BACKEND': 'django_pylibmc.memcached.PyLibMCCache',
'LOCATION': MEMCACHED_LOCATION,
'TIMEOUT': 3600,
'BINARY': True,
'USERNAME': MEMCACHED_USERNAME,
'PASSWORD': MEMCACHED_PASSWORD,
'OPTIONS': {
'tcp_nodelay': True,
'retry_timeout': 1,
}
},
'database': {
'BACKEND': 'django.core.cache.backends.db.DatabaseCache',
'LOCATION': 'third_party_api_results',
# This cache shouldn't timeout; we're really just using the
# cache API to store the results of requests to third-party
# APIs like the Twitter API permanently.
'TIMEOUT': None,
'OPTIONS': {
'MAX_ENTRIES': 100000000,
'CULL_FREQUENCY': 10,
}
},
'in-memory': {
'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
},
}
########################################################################
# REDIS-BASED RATE LIMITING CONFIGURATION
########################################################################
RATE_LIMITING_RULES = {
'api_by_user': [
(60, 200), # 200 requests max every minute
],
'authenticate_by_username': [
(1800, 5), # 5 login attempts within 30 minutes
],
'password_reset_form_by_email': [
(3600, 2), # 2 reset emails per hour
(86400, 5), # 5 per day
],
}
RATE_LIMITING_MIRROR_REALM_RULES = [
(60, 50), # 50 emails per minute
(300, 120), # 120 emails per 5 minutes
(3600, 600), # 600 emails per hour
]
DEBUG_RATE_LIMITING = DEBUG
REDIS_PASSWORD = get_secret('redis_password')
########################################################################
# SECURITY SETTINGS
########################################################################
SESSION_COOKIE_SAMESITE = 'Lax'
# Tell the browser to never send our cookies without encryption, e.g.
# when executing the initial http -> https redirect.
#
# Turn it off for local testing because we don't have SSL.
if PRODUCTION:
SESSION_COOKIE_SECURE = True
CSRF_COOKIE_SECURE = True
# For get_updates hostname sharding.
domain = get_config('django', 'cookie_domain', None)
if domain is not None:
CSRF_COOKIE_DOMAIN = '.' + domain
# Prevent Javascript from reading the CSRF token from cookies. Our code gets
# the token from the DOM, which means malicious code could too. But hiding the
# cookie will slow down some attackers.
CSRF_COOKIE_PATH = '/;HttpOnly'
CSRF_FAILURE_VIEW = 'zerver.middleware.csrf_failure'
if DEVELOPMENT:
# Use fast password hashing for creating testing users when not
# PRODUCTION. Saves a bunch of time.
PASSWORD_HASHERS = (
'django.contrib.auth.hashers.SHA1PasswordHasher',
'django.contrib.auth.hashers.PBKDF2PasswordHasher'
)
# Also we auto-generate passwords for the default users which you
# can query using ./manage.py print_initial_password
INITIAL_PASSWORD_SALT = get_secret("initial_password_salt")
else:
# For production, use the best password hashing algorithm: Argon2
# Zulip was originally on PBKDF2 so we need it for compatibility
PASSWORD_HASHERS = ('django.contrib.auth.hashers.Argon2PasswordHasher',
'django.contrib.auth.hashers.PBKDF2PasswordHasher')
########################################################################
# API/BOT SETTINGS
########################################################################
ROOT_DOMAIN_URI = EXTERNAL_URI_SCHEME + EXTERNAL_HOST
if "NAGIOS_BOT_HOST" not in vars():
NAGIOS_BOT_HOST = EXTERNAL_HOST
S3_KEY = get_secret("s3_key")
S3_SECRET_KEY = get_secret("s3_secret_key")
if LOCAL_UPLOADS_DIR is not None:
if SENDFILE_BACKEND is None:
SENDFILE_BACKEND = 'django_sendfile.backends.nginx'
SENDFILE_ROOT = os.path.join(LOCAL_UPLOADS_DIR, "files")
SENDFILE_URL = '/serve_uploads'
# GCM tokens are IP-whitelisted; if we deploy to additional
# servers you will need to explicitly add their IPs here:
# https://cloud.google.com/console/project/apps~zulip-android/apiui/credential
ANDROID_GCM_API_KEY = get_secret("android_gcm_api_key")
DROPBOX_APP_KEY = get_secret("dropbox_app_key")
MAILCHIMP_API_KEY = get_secret("mailchimp_api_key")
# Twitter API credentials
# Secrecy not required because its only used for R/O requests.
# Please don't make us go over our rate limit.
TWITTER_CONSUMER_KEY = get_secret("twitter_consumer_key")
TWITTER_CONSUMER_SECRET = get_secret("twitter_consumer_secret")
TWITTER_ACCESS_TOKEN_KEY = get_secret("twitter_access_token_key")
TWITTER_ACCESS_TOKEN_SECRET = get_secret("twitter_access_token_secret")
# These are the bots that Zulip sends automated messages as.
INTERNAL_BOTS = [{'var_name': 'NOTIFICATION_BOT',
'email_template': 'notification-bot@%s',
'name': 'Notification Bot'},
{'var_name': 'EMAIL_GATEWAY_BOT',
'email_template': 'emailgateway@%s',
'name': 'Email Gateway'},
{'var_name': 'NAGIOS_SEND_BOT',
'email_template': 'nagios-send-bot@%s',
'name': 'Nagios Send Bot'},
{'var_name': 'NAGIOS_RECEIVE_BOT',
'email_template': 'nagios-receive-bot@%s',
'name': 'Nagios Receive Bot'},
{'var_name': 'WELCOME_BOT',
'email_template': 'welcome-bot@%s',
'name': 'Welcome Bot'}]
# Bots that are created for each realm like the reminder-bot goes here.
REALM_INTERNAL_BOTS = [] # type: List[Dict[str, str]]
# These are realm-internal bots that may exist in some organizations,
# so configure power the setting, but should not be auto-created at this time.
DISABLED_REALM_INTERNAL_BOTS = [
{'var_name': 'REMINDER_BOT',
'email_template': 'reminder-bot@%s',
'name': 'Reminder Bot'}
]
if PRODUCTION:
INTERNAL_BOTS += [
{'var_name': 'NAGIOS_STAGING_SEND_BOT',
'email_template': 'nagios-staging-send-bot@%s',
'name': 'Nagios Staging Send Bot'},
{'var_name': 'NAGIOS_STAGING_RECEIVE_BOT',
'email_template': 'nagios-staging-receive-bot@%s',
'name': 'Nagios Staging Receive Bot'},
]
INTERNAL_BOT_DOMAIN = "zulip.com"
# Set the realm-specific bot names
for bot in INTERNAL_BOTS + REALM_INTERNAL_BOTS + DISABLED_REALM_INTERNAL_BOTS:
if vars().get(bot['var_name']) is None:
bot_email = bot['email_template'] % (INTERNAL_BOT_DOMAIN,)
vars()[bot['var_name']] = bot_email
########################################################################
# STATSD CONFIGURATION
########################################################################
# Statsd is not super well supported; if you want to use it you'll need
# to set STATSD_HOST and STATSD_PREFIX.
if STATSD_HOST != '':
INSTALLED_APPS += ['django_statsd']
STATSD_PORT = 8125
STATSD_CLIENT = 'django_statsd.clients.normal'
########################################################################
# CAMO HTTPS CACHE CONFIGURATION
########################################################################
if CAMO_URI != '':
# This needs to be synced with the Camo installation
CAMO_KEY = get_secret("camo_key")
########################################################################
# STATIC CONTENT AND MINIFICATION SETTINGS
########################################################################
STATIC_URL = '/static/'
# ZulipStorage is a modified version of ManifestStaticFilesStorage,
# and, like that class, it inserts a file hash into filenames
# to prevent the browser from using stale files from cache.
#
# Unlike PipelineStorage, it requires the files to exist in
# STATIC_ROOT even for dev servers. So we only use
# ZulipStorage when not DEBUG.
if not DEBUG:
STATICFILES_STORAGE = 'zerver.lib.storage.ZulipStorage'
if PRODUCTION:
STATIC_ROOT = '/home/zulip/prod-static'
else:
STATIC_ROOT = os.path.abspath(os.path.join(DEPLOY_ROOT, 'prod-static/serve'))
# If changing this, you need to also the hack modifications to this in
# our compilemessages management command.
LOCALE_PATHS = (os.path.join(DEPLOY_ROOT, 'locale'),)
# We want all temporary uploaded files to be stored on disk.
FILE_UPLOAD_MAX_MEMORY_SIZE = 0
STATICFILES_DIRS = ['static/']
if DEBUG:
WEBPACK_STATS_FILE = os.path.join('var', 'webpack-stats-dev.json')
else:
WEBPACK_STATS_FILE = 'webpack-stats-production.json'
WEBPACK_LOADER = {
'DEFAULT': {
'CACHE': not DEBUG,
'BUNDLE_DIR_NAME': 'webpack-bundles/',
'STATS_FILE': os.path.join(DEPLOY_ROOT, WEBPACK_STATS_FILE),
}
}
########################################################################
# TEMPLATES SETTINGS
########################################################################
# List of callables that know how to import templates from various sources.
LOADERS = [
'django.template.loaders.filesystem.Loader',
'django.template.loaders.app_directories.Loader',
] # type: List[Union[str, Tuple[object, ...]]]
if PRODUCTION:
# Template caching is a significant performance win in production.
LOADERS = [('django.template.loaders.cached.Loader', LOADERS)]
base_template_engine_settings = {
'BACKEND': 'django.template.backends.jinja2.Jinja2',
'OPTIONS': {
'environment': 'zproject.jinja2.environment',
'extensions': [
'jinja2.ext.i18n',
'jinja2.ext.autoescape',
'webpack_loader.contrib.jinja2ext.WebpackExtension',
],
'context_processors': [
'zerver.context_processors.zulip_default_context',
'django.template.context_processors.i18n',
],
},
} # type: Dict[str, Any]
default_template_engine_settings = deepcopy(base_template_engine_settings)
default_template_engine_settings.update({
'NAME': 'Jinja2',
'DIRS': [
# The main templates directory
os.path.join(DEPLOY_ROOT, 'templates'),
# The webhook integration templates
os.path.join(DEPLOY_ROOT, 'zerver', 'webhooks'),
# The python-zulip-api:zulip_bots package templates
os.path.join('static' if DEBUG else STATIC_ROOT, 'generated', 'bots'),
],
'APP_DIRS': True,
})
non_html_template_engine_settings = deepcopy(base_template_engine_settings)
non_html_template_engine_settings.update({
'NAME': 'Jinja2_plaintext',
'DIRS': [os.path.join(DEPLOY_ROOT, 'templates')],
'APP_DIRS': False,
})
non_html_template_engine_settings['OPTIONS'].update({
'autoescape': False,
'trim_blocks': True,
'lstrip_blocks': True,
})
# django-two-factor uses the default Django template engine (not Jinja2), so we
# need to add config for it here.
two_factor_template_options = deepcopy(default_template_engine_settings['OPTIONS'])
del two_factor_template_options['environment']
del two_factor_template_options['extensions']
two_factor_template_options['loaders'] = ['zproject.settings.TwoFactorLoader']
two_factor_template_engine_settings = {
'NAME': 'Two_Factor',
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'DIRS': [],
'APP_DIRS': False,
'OPTIONS': two_factor_template_options,
}
# The order here is important; get_template and related/parent functions try
# the template engines in order until one succeeds.
TEMPLATES = [
default_template_engine_settings,
non_html_template_engine_settings,
two_factor_template_engine_settings,
]
########################################################################
# LOGGING SETTINGS
########################################################################
def zulip_path(path: str) -> str:
if DEVELOPMENT:
# if DEVELOPMENT, store these files in the Zulip checkout
if path.startswith("/var/log"):
path = os.path.join(DEVELOPMENT_LOG_DIRECTORY, os.path.basename(path))
else:
path = os.path.join(os.path.join(DEPLOY_ROOT, 'var'), os.path.basename(path))
return path
SERVER_LOG_PATH = zulip_path("/var/log/zulip/server.log")
ERROR_FILE_LOG_PATH = zulip_path("/var/log/zulip/errors.log")
MANAGEMENT_LOG_PATH = zulip_path("/var/log/zulip/manage.log")
WORKER_LOG_PATH = zulip_path("/var/log/zulip/workers.log")
JSON_PERSISTENT_QUEUE_FILENAME_PATTERN = zulip_path("/home/zulip/tornado/event_queues%s.json")
EMAIL_LOG_PATH = zulip_path("/var/log/zulip/send_email.log")
EMAIL_MIRROR_LOG_PATH = zulip_path("/var/log/zulip/email_mirror.log")
EMAIL_DELIVERER_LOG_PATH = zulip_path("/var/log/zulip/email-deliverer.log")
EMAIL_CONTENT_LOG_PATH = zulip_path("/var/log/zulip/email_content.log")
LDAP_LOG_PATH = zulip_path("/var/log/zulip/ldap.log")
LDAP_SYNC_LOG_PATH = zulip_path("/var/log/zulip/sync_ldap_user_data.log")
QUEUE_ERROR_DIR = zulip_path("/var/log/zulip/queue_error")
DIGEST_LOG_PATH = zulip_path("/var/log/zulip/digest.log")
ANALYTICS_LOG_PATH = zulip_path("/var/log/zulip/analytics.log")
ANALYTICS_LOCK_DIR = zulip_path("/home/zulip/deployments/analytics-lock-dir")
API_KEY_ONLY_WEBHOOK_LOG_PATH = zulip_path("/var/log/zulip/webhooks_errors.log")
WEBHOOK_UNEXPECTED_EVENTS_LOG_PATH = zulip_path("/var/log/zulip/webhooks_unexpected_events.log")
SOFT_DEACTIVATION_LOG_PATH = zulip_path("/var/log/zulip/soft_deactivation.log")
TRACEMALLOC_DUMP_DIR = zulip_path("/var/log/zulip/tracemalloc")
SCHEDULED_MESSAGE_DELIVERER_LOG_PATH = zulip_path("/var/log/zulip/scheduled_message_deliverer.log")
RETENTION_LOG_PATH = zulip_path("/var/log/zulip/message_retention.log")
# The EVENT_LOGS feature is an ultra-legacy piece of code, which
# originally logged all significant database changes for debugging.
# We plan to replace it with RealmAuditLog, stored in the database,
# everywhere that code mentioning it appears.
if EVENT_LOGS_ENABLED:
EVENT_LOG_DIR = zulip_path("/home/zulip/logs/event_log") # type: Optional[str]
else:
EVENT_LOG_DIR = None
ZULIP_WORKER_TEST_FILE = '/tmp/zulip-worker-test-file'
if IS_WORKER:
FILE_LOG_PATH = WORKER_LOG_PATH
else:
FILE_LOG_PATH = SERVER_LOG_PATH
# This is disabled in a few tests.
LOGGING_ENABLED = True
DEFAULT_ZULIP_HANDLERS = (
(['zulip_admins'] if ERROR_REPORTING else []) +
['console', 'file', 'errors_file']
)
LOGGING = {
'version': 1,
'disable_existing_loggers': False,
'formatters': {
'default': {
'()': 'zerver.lib.logging_util.ZulipFormatter',
}
},
'filters': {
'ZulipLimiter': {
'()': 'zerver.lib.logging_util.ZulipLimiter',
},
'EmailLimiter': {
'()': 'zerver.lib.logging_util.EmailLimiter',
},
'require_debug_false': {
'()': 'django.utils.log.RequireDebugFalse',
},
'require_debug_true': {
'()': 'django.utils.log.RequireDebugTrue',
},
'nop': {
'()': 'zerver.lib.logging_util.ReturnTrue',
},
'require_logging_enabled': {
'()': 'zerver.lib.logging_util.ReturnEnabled',
},
'require_really_deployed': {
'()': 'zerver.lib.logging_util.RequireReallyDeployed',
},
'skip_200_and_304': {
'()': 'django.utils.log.CallbackFilter',
'callback': zerver.lib.logging_util.skip_200_and_304,
},
'skip_site_packages_logs': {
'()': 'django.utils.log.CallbackFilter',
'callback': zerver.lib.logging_util.skip_site_packages_logs,
},
},
'handlers': {
'zulip_admins': {
'level': 'ERROR',
'class': 'zerver.logging_handlers.AdminNotifyHandler',
'filters': (['ZulipLimiter', 'require_debug_false', 'require_really_deployed']
if not DEBUG_ERROR_REPORTING else []),
'formatter': 'default'
},
'console': {
'level': 'DEBUG',
'class': 'logging.StreamHandler',
'formatter': 'default'
},
'file': {
'level': 'DEBUG',
'class': 'logging.handlers.WatchedFileHandler',
'formatter': 'default',
'filename': FILE_LOG_PATH,
},
'errors_file': {
'level': 'WARNING',
'class': 'logging.handlers.WatchedFileHandler',
'formatter': 'default',
'filename': ERROR_FILE_LOG_PATH,
},
'ldap_file': {
'level': 'DEBUG',
'class': 'logging.handlers.WatchedFileHandler',
'formatter': 'default',
'filename': LDAP_LOG_PATH,
},
},
'loggers': {
# The Python logging module uses a hierarchy of logger names for config:
# "foo.bar" has parent "foo" has parent "", the root. But the semantics
# are subtle: it walks this hierarchy once to find the log level to
# decide whether to log the record at all, then a separate time to find
# handlers to emit the record.
#
# For `level`, the most specific ancestor that has a `level` counts.
# For `handlers`, the most specific ancestor that has a `handlers`
# counts (assuming we set `propagate=False`, which we always do.)
# These are independent -- they might come at the same layer, or
# either one could come before the other.
#
# For `filters`, no ancestors count at all -- only the exact logger name
# the record was logged at.
#
# Upstream docs: https://docs.python.org/3/library/logging
#
# Style rules:
# * Always set `propagate=False` if setting `handlers`.
# * Setting `level` equal to the parent is redundant; don't.
# * Setting `handlers` equal to the parent is redundant; don't.
# * Always write in order: level, filters, handlers, propagate.
# root logger
'': {
'level': 'INFO',
'filters': ['require_logging_enabled'],
'handlers': DEFAULT_ZULIP_HANDLERS,
},
# Django, alphabetized
'django': {
# Django's default logging config has already set some
# things on this logger. Just mentioning it here causes
# `logging.config` to reset it to defaults, as if never
# configured; which is what we want for it.
},
'django.request': {
# We set this to ERROR to prevent Django's default
# low-value logs with lines like "Not Found: /robots.txt"
# from being logged for every HTTP 4xx error at WARNING
# level, which would otherwise end up spamming our
# errors.log. We'll still get logs in errors.log
# including tracebacks for 5xx errors (i.e. Python
# exceptions).
'level': 'ERROR',
},
'django.security.DisallowedHost': {
'handlers': ['file'],
'propagate': False,
},
'django.server': {
'filters': ['skip_200_and_304'],
'handlers': ['console', 'file'],
'propagate': False,
},
'django.template': {
'level': 'DEBUG',
'filters': ['require_debug_true', 'skip_site_packages_logs'],
'handlers': ['console'],
'propagate': False,
},
## Uncomment the following to get all database queries logged to the console
# 'django.db': {
# 'level': 'DEBUG',
# 'handlers': ['console'],
# 'propagate': False,
# },
# other libraries, alphabetized
'django_auth_ldap': {
'level': 'DEBUG',
'handlers': ['console', 'ldap_file', 'errors_file'],
'propagate': False,
},
'pika.adapters': {
# pika is super chatty on INFO.
'level': 'WARNING',
# pika spews a lot of ERROR logs when a connection fails.
# We reconnect automatically, so those should be treated as WARNING --
# write to the log for use in debugging, but no error emails/Zulips.
'handlers': ['console', 'file', 'errors_file'],
'propagate': False,
},
'pika.connection': {
# Leave `zulip_admins` out of the handlers. See pika.adapters above.
'handlers': ['console', 'file', 'errors_file'],
'propagate': False,
},
'requests': {
'level': 'WARNING',
},
# our own loggers, alphabetized
'zerver.lib.digest': {
'level': 'DEBUG',
},
'zerver.management.commands.deliver_email': {
'level': 'DEBUG',
},
'zerver.management.commands.enqueue_digest_emails': {
'level': 'DEBUG',
},
'zerver.management.commands.deliver_scheduled_messages': {
'level': 'DEBUG',
},
'zulip.ldap': {
'level': 'DEBUG',
'handlers': ['console', 'ldap_file', 'errors_file'],
'propagate': False,
},
'zulip.management': {
'handlers': ['file', 'errors_file'],
'propagate': False,
},
'zulip.queue': {
'level': 'WARNING',
},
'zulip.retention': {
'handlers': ['file', 'errors_file'],
'propagate': False,
},
'zulip.soft_deactivation': {
'handlers': ['file', 'errors_file'],
'propagate': False,
},
'zulip.zerver.lib.webhooks.common': {
'level': 'DEBUG',
'handlers': ['file', 'errors_file'],
'propagate': False,
},
'zulip.zerver.webhooks': {
'level': 'DEBUG',
'handlers': ['file', 'errors_file'],
'propagate': False,
},
}
} # type: Dict[str, Any]
LOGIN_REDIRECT_URL = '/'
# Client-side polling timeout for get_events, in milliseconds.
# We configure this here so that the client test suite can override it.
# We already kill the connection server-side with heartbeat events,
# but it's good to have a safety. This value should be greater than
# (HEARTBEAT_MIN_FREQ_SECS + 10)
POLL_TIMEOUT = 90 * 1000
########################################################################
# SSO AND LDAP SETTINGS
########################################################################
USING_APACHE_SSO = ('zproject.backends.ZulipRemoteUserBackend' in AUTHENTICATION_BACKENDS)
if 'LDAP_DEACTIVATE_NON_MATCHING_USERS' not in vars():
LDAP_DEACTIVATE_NON_MATCHING_USERS = (
len(AUTHENTICATION_BACKENDS) == 1 and (AUTHENTICATION_BACKENDS[0] ==
"zproject.backends.ZulipLDAPAuthBackend"))
if len(AUTHENTICATION_BACKENDS) == 1 and (AUTHENTICATION_BACKENDS[0] ==
"zproject.backends.ZulipRemoteUserBackend"):
HOME_NOT_LOGGED_IN = "/accounts/login/sso/"
ONLY_SSO = True
else:
HOME_NOT_LOGGED_IN = '/login/'
ONLY_SSO = False
AUTHENTICATION_BACKENDS += ('zproject.backends.ZulipDummyBackend',)
# Redirect to /devlogin/ by default in dev mode
if DEVELOPMENT:
HOME_NOT_LOGGED_IN = '/devlogin/'
LOGIN_URL = '/devlogin/'
POPULATE_PROFILE_VIA_LDAP = bool(AUTH_LDAP_SERVER_URI)
if POPULATE_PROFILE_VIA_LDAP and \
'zproject.backends.ZulipLDAPAuthBackend' not in AUTHENTICATION_BACKENDS:
AUTHENTICATION_BACKENDS += ('zproject.backends.ZulipLDAPUserPopulator',)
else:
POPULATE_PROFILE_VIA_LDAP = (
'zproject.backends.ZulipLDAPAuthBackend' in AUTHENTICATION_BACKENDS or
POPULATE_PROFILE_VIA_LDAP)
if POPULATE_PROFILE_VIA_LDAP:
import ldap
if (AUTH_LDAP_BIND_DN and ldap.OPT_REFERRALS not in AUTH_LDAP_CONNECTION_OPTIONS):
# The default behavior of python-ldap (without setting option
# `ldap.OPT_REFERRALS`) is to follow referrals, but anonymously.
# If our original query was non-anonymous, that's unlikely to
# work; skip the referral.
#
# The common case of this is that the server is Active Directory,
# it's already given us the answer we need, and the referral is
# just speculation about someplace else that has data our query
# could in principle match.
AUTH_LDAP_CONNECTION_OPTIONS[ldap.OPT_REFERRALS] = 0
if REGISTER_LINK_DISABLED is None:
# The default for REGISTER_LINK_DISABLED is a bit more
# complicated: we want it to be disabled by default for people
# using the LDAP backend that auto-creates users on login.
if (len(AUTHENTICATION_BACKENDS) == 2 and
('zproject.backends.ZulipLDAPAuthBackend' in AUTHENTICATION_BACKENDS)):
REGISTER_LINK_DISABLED = True
else:
REGISTER_LINK_DISABLED = False
########################################################################
# SOCIAL AUTHENTICATION SETTINGS
########################################################################
SOCIAL_AUTH_FIELDS_STORED_IN_SESSION = ['subdomain', 'is_signup', 'mobile_flow_otp', 'desktop_flow_otp',
'multiuse_object_key']
SOCIAL_AUTH_LOGIN_ERROR_URL = '/login/'
SOCIAL_AUTH_GITHUB_SECRET = get_secret('social_auth_github_secret')
SOCIAL_AUTH_GITLAB_SECRET = get_secret('social_auth_gitlab_secret')
SOCIAL_AUTH_GITHUB_SCOPE = ['user:email']
if SOCIAL_AUTH_GITHUB_ORG_NAME or SOCIAL_AUTH_GITHUB_TEAM_ID:
SOCIAL_AUTH_GITHUB_SCOPE.append("read:org")
SOCIAL_AUTH_GITHUB_ORG_KEY = SOCIAL_AUTH_GITHUB_KEY
SOCIAL_AUTH_GITHUB_ORG_SECRET = SOCIAL_AUTH_GITHUB_SECRET
SOCIAL_AUTH_GITHUB_TEAM_KEY = SOCIAL_AUTH_GITHUB_KEY
SOCIAL_AUTH_GITHUB_TEAM_SECRET = SOCIAL_AUTH_GITHUB_SECRET
SOCIAL_AUTH_GOOGLE_SECRET = get_secret('social_auth_google_secret')
# Fallback to google-oauth settings in case social auth settings for
# google are missing; this is for backwards-compatibility with older
# Zulip versions where /etc/zulip/settings.py has not been migrated yet.
GOOGLE_OAUTH2_CLIENT_SECRET = get_secret('google_oauth2_client_secret')
SOCIAL_AUTH_GOOGLE_KEY = SOCIAL_AUTH_GOOGLE_KEY or GOOGLE_OAUTH2_CLIENT_ID
SOCIAL_AUTH_GOOGLE_SECRET = SOCIAL_AUTH_GOOGLE_SECRET or GOOGLE_OAUTH2_CLIENT_SECRET
if PRODUCTION:
SOCIAL_AUTH_SAML_SP_PUBLIC_CERT = get_from_file_if_exists("/etc/zulip/saml/zulip-cert.crt")
SOCIAL_AUTH_SAML_SP_PRIVATE_KEY = get_from_file_if_exists("/etc/zulip/saml/zulip-private-key.key")
if "signatureAlgorithm" not in SOCIAL_AUTH_SAML_SECURITY_CONFIG:
# If the configuration doesn't explicitly specify the algorithm,
# we set RSA1 with SHA256 to override the python3-saml default, which uses
# insecure SHA1.
default_signature_alg = "http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"
SOCIAL_AUTH_SAML_SECURITY_CONFIG["signatureAlgorithm"] = default_signature_alg
for idp_name, idp_dict in SOCIAL_AUTH_SAML_ENABLED_IDPS.items():
if DEVELOPMENT:
idp_dict['entity_id'] = get_secret('saml_entity_id', '')
idp_dict['url'] = get_secret('saml_url', '')
idp_dict['x509cert_path'] = 'zproject/dev_saml.cert'
# Set `x509cert` if not specified already; also support an override path.
if 'x509cert' in idp_dict:
continue
if 'x509cert_path' in idp_dict:
path = idp_dict['x509cert_path']
else:
path = "/etc/zulip/saml/idps/{}.crt".format(idp_name)
idp_dict['x509cert'] = get_from_file_if_exists(path)
SOCIAL_AUTH_PIPELINE = [
'social_core.pipeline.social_auth.social_details',
'zproject.backends.social_auth_associate_user',
'zproject.backends.social_auth_finish',
]
########################################################################
# EMAIL SETTINGS
########################################################################
# Django setting. Not used in the Zulip codebase.
DEFAULT_FROM_EMAIL = ZULIP_ADMINISTRATOR
if EMAIL_BACKEND is not None:
# If the server admin specified a custom email backend, use that.
pass
elif DEVELOPMENT:
# In the dev environment, emails are printed to the run-dev.py console.
EMAIL_BACKEND = 'zproject.email_backends.EmailLogBackEnd'
elif not EMAIL_HOST:
# If an email host is not specified, fail gracefully
WARN_NO_EMAIL = True
EMAIL_BACKEND = 'django.core.mail.backends.dummy.EmailBackend'
else:
EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'
EMAIL_HOST_PASSWORD = get_secret('email_password')
EMAIL_GATEWAY_PASSWORD = get_secret('email_gateway_password')
AUTH_LDAP_BIND_PASSWORD = get_secret('auth_ldap_bind_password', '')
########################################################################
# MISC SETTINGS
########################################################################
if PRODUCTION:
# Filter out user data
DEFAULT_EXCEPTION_REPORTER_FILTER = 'zerver.filters.ZulipExceptionReporterFilter'
# This is a debugging option only
PROFILE_ALL_REQUESTS = False
CROSS_REALM_BOT_EMAILS = {
'notification-bot@zulip.com',
'welcome-bot@zulip.com',
'emailgateway@zulip.com',
}
THUMBOR_KEY = get_secret('thumbor_key')
TWO_FACTOR_PATCH_ADMIN = False
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