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zulip/zproject/computed_settings.py

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import logging
import os
import sys
import time
from copy import deepcopy
from typing import Any, Final, Literal
from urllib.parse import urljoin
from scripts.lib.zulip_tools import get_tornado_ports
from zerver.lib.db import TimeTrackingConnection, TimeTrackingCursor
from .config import (
DEPLOY_ROOT,
config_file,
get_config,
get_from_file_if_exists,
get_mandatory_secret,
get_secret,
)
from .config import DEVELOPMENT as DEVELOPMENT
from .config import PRODUCTION as PRODUCTION
from .configured_settings import (
ADMINS,
ALLOWED_HOSTS,
AUTH_LDAP_BIND_DN,
AUTH_LDAP_CONNECTION_OPTIONS,
AUTH_LDAP_SERVER_URI,
AUTHENTICATION_BACKENDS,
CAMO_URI,
CUSTOM_HOME_NOT_LOGGED_IN,
DEBUG,
DEBUG_ERROR_REPORTING,
DEFAULT_RATE_LIMITING_RULES,
EMAIL_BACKEND,
EMAIL_HOST,
ERROR_REPORTING,
EXTERNAL_HOST,
EXTERNAL_HOST_WITHOUT_PORT,
EXTERNAL_URI_SCHEME,
EXTRA_INSTALLED_APPS,
GOOGLE_OAUTH2_CLIENT_ID,
IS_DEV_DROPLET,
LOCAL_UPLOADS_DIR,
MEMCACHED_LOCATION,
MEMCACHED_USERNAME,
RATE_LIMITING_RULES,
REALM_HOSTS,
REGISTER_LINK_DISABLED,
REMOTE_POSTGRES_HOST,
REMOTE_POSTGRES_PORT,
REMOTE_POSTGRES_SSLMODE,
ROOT_SUBDOMAIN_ALIASES,
SENTRY_DSN,
SOCIAL_AUTH_APPLE_APP_ID,
SOCIAL_AUTH_APPLE_SERVICES_ID,
SOCIAL_AUTH_GITHUB_KEY,
SOCIAL_AUTH_GITHUB_ORG_NAME,
SOCIAL_AUTH_GITHUB_TEAM_ID,
SOCIAL_AUTH_GOOGLE_KEY,
SOCIAL_AUTH_SAML_ENABLED_IDPS,
SOCIAL_AUTH_SAML_SECURITY_CONFIG,
SOCIAL_AUTH_SUBDOMAIN,
STATIC_URL,
TORNADO_PORTS,
USING_PGROONGA,
ZULIP_ADMINISTRATOR,
)
########################################################################
# INITIAL SETTINGS
########################################################################
# Make this unique, and don't share it with anybody.
SECRET_KEY = get_mandatory_secret("secret_key")
# A shared secret, used to authenticate different parts of the app to each other.
SHARED_SECRET = get_mandatory_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_mandatory_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:
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
PUPPETEER_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
# This is overridden in test_settings.py for the test suites
BAN_CONSOLE_OUTPUT = False
# This is overridden in test_settings.py for the test suites
TEST_WORKER_DIR = ""
# 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
# this directory will be used to store logs for development environment
DEVELOPMENT_LOG_DIRECTORY = os.path.join(DEPLOY_ROOT, "var", "log")
# 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_WITHOUT_PORT, "." + EXTERNAL_HOST_WITHOUT_PORT]
# ... and with the hosts in REALM_HOSTS.
ALLOWED_HOSTS += REALM_HOSTS.values()
MIDDLEWARE = [
"zerver.middleware.TagRequests",
"zerver.middleware.SetRemoteAddrFromRealIpHeader",
"django.contrib.sessions.middleware.SessionMiddleware",
"django.contrib.auth.middleware.AuthenticationMiddleware",
# Important: All middleware before LogRequests should be
# inexpensive, because any time spent in that middleware will not
# be counted in the LogRequests instrumentation of how time was
# spent while processing a request.
"zerver.middleware.LogRequests",
"zerver.middleware.JsonErrorHandler",
"zerver.middleware.RateLimitMiddleware",
"zerver.middleware.FlushDisplayRecipientCache",
"django.middleware.common.CommonMiddleware",
"zerver.middleware.LocaleMiddleware",
"zerver.middleware.HostDomainMiddleware",
"zerver.middleware.DetectProxyMisconfiguration",
"django.middleware.csrf.CsrfViewMiddleware",
# 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
]
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",
"zerver",
"social_django",
"django_scim",
# 2FA related apps.
"django_otp",
"django_otp.plugins.otp_static",
"django_otp.plugins.otp_totp",
"two_factor",
"two_factor.plugins.phonenumber",
]
if USING_PGROONGA:
INSTALLED_APPS += ["pgroonga"]
INSTALLED_APPS += EXTRA_INSTALLED_APPS
ZILENCER_ENABLED = "zilencer" in INSTALLED_APPS
CORPORATE_ENABLED = "corporate" in INSTALLED_APPS
if not TORNADO_PORTS:
TORNADO_PORTS = get_tornado_ports(config_file)
TORNADO_PROCESSES = len(TORNADO_PORTS)
RUNNING_INSIDE_TORNADO = False
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/5.0/topics/auth/customizing/#django.contrib.auth.models.CustomUser.USERNAME_FIELD
"auth.W004",
# models.E034 limits index names to 30 characters for Oracle compatibility.
# We aren't using Oracle.
"models.E034",
]
########################################################################
# DATABASE CONFIGURATION
########################################################################
# Zulip's Django configuration supports 4 different ways to do
# PostgreSQL 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 PostgreSQL's "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 PostgreSQL server using
# the `REMOTE_POSTGRES_HOST` setting and the password from the
# `postgres_password` secret.
#
# * Using passwordless authentication with a remote PostgreSQL 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: dict[str, dict[str, Any]] = {
"default": {
"ENGINE": "django.db.backends.postgresql",
"NAME": get_config("postgresql", "database_name", "zulip"),
"USER": get_config("postgresql", "database_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,
"cursor_factory": TimeTrackingCursor,
# The default is null, which means no timeout; 2 is the
# minimum allowed value. We set this low, so we move on
# quickly, in the case that the server is running but
# unable to handle new connections for some reason.
"connect_timeout": 2,
},
}
}
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 "," in REMOTE_POSTGRES_HOST:
DATABASES["default"]["OPTIONS"]["target_session_attrs"] = "read-write"
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"
elif (
get_config("postgresql", "database_user", "zulip") != "zulip"
and get_secret("postgres_password") is not None
):
DATABASES["default"].update(
PASSWORD=get_secret("postgres_password"),
HOST="localhost",
)
POSTGRESQL_MISSING_DICTIONARIES = get_config("postgresql", "missing_dictionaries", False)
DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"
########################################################################
# RABBITMQ CONFIGURATION
########################################################################
USING_RABBITMQ = True
RABBITMQ_PASSWORD = get_secret("rabbitmq_password")
########################################################################
# CACHING CONFIGURATION
########################################################################
SESSION_ENGINE = "zerver.lib.safe_session_cached_db"
MEMCACHED_PASSWORD = get_secret("memcached_password")
CACHES: dict[str, dict[str, object]] = {
"default": {
"BACKEND": "zerver.lib.singleton_bmemcached.SingletonBMemcached",
"LOCATION": MEMCACHED_LOCATION,
"OPTIONS": {
"socket_timeout": 3600,
"username": MEMCACHED_USERNAME,
"password": MEMCACHED_PASSWORD,
"pickle_protocol": 4,
},
},
"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,
},
},
}
########################################################################
# REDIS-BASED RATE LIMITING CONFIGURATION
########################################################################
# Merge any local overrides with the default rules.
RATE_LIMITING_RULES = {**DEFAULT_RATE_LIMITING_RULES, **RATE_LIMITING_RULES}
# List of domains that, when applied to a request in a Tornado process,
# will be handled with the separate in-memory rate limiting backend for Tornado,
# which has its own buckets separate from the default backend.
# In principle, it should be impossible to make requests to tornado that fall into
# other domains, but we use this list as an extra precaution.
RATE_LIMITING_DOMAINS_FOR_TORNADO = ["api_by_user", "api_by_ip"]
# These ratelimits are also documented publicly at
# https://zulip.readthedocs.io/en/latest/production/email-gateway.html
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")
# See RATE_LIMIT_TOR_TOGETHER
if DEVELOPMENT:
TOR_EXIT_NODE_FILE_PATH = os.path.join(DEPLOY_ROOT, "var/tor-exit-nodes.json")
else:
TOR_EXIT_NODE_FILE_PATH = "/var/lib/zulip/tor-exit-nodes.json"
########################################################################
# SECURITY SETTINGS
########################################################################
# 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
LANGUAGE_COOKIE_SECURE = True
# https://tools.ietf.org/html/draft-ietf-httpbis-rfc6265bis-05#section-4.1.3.2
SESSION_COOKIE_NAME = "__Host-sessionid"
CSRF_COOKIE_NAME = "__Host-csrftoken"
# 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_HTTPONLY = True
CSRF_FAILURE_VIEW = "zerver.middleware.csrf_failure"
# Avoid a deprecation message in the Firefox console
LANGUAGE_COOKIE_SAMESITE: Final = "Lax"
if DEVELOPMENT:
# Use fast password hashing for creating testing users when not
# PRODUCTION. Saves a bunch of time.
PASSWORD_HASHERS = [
"django.contrib.auth.hashers.MD5PasswordHasher",
"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
S3_KEY = get_secret("s3_key")
S3_SECRET_KEY = get_secret("s3_secret_key")
DROPBOX_APP_KEY = get_secret("dropbox_app_key")
BIG_BLUE_BUTTON_SECRET = get_secret("big_blue_button_secret")
# 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: 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"
########################################################################
# CAMO HTTPS CACHE CONFIGURATION
########################################################################
# This needs to be synced with the Camo installation
CAMO_KEY = get_secret("camo_key") if CAMO_URI != "" else None
########################################################################
# KATEX SERVER SETTINGS
########################################################################
KATEX_SERVER = get_config("application_server", "katex_server", True)
KATEX_SERVER_PORT = get_config("application_server", "katex_server_port", "9700")
########################################################################
# STATIC CONTENT AND MINIFICATION SETTINGS
########################################################################
if STATIC_URL is None:
if PRODUCTION or IS_DEV_DROPLET or os.getenv("EXTERNAL_HOST") is not None:
STATIC_URL = urljoin(ROOT_DOMAIN_URI, "/static/")
else:
STATIC_URL = "http://localhost:9991/static/"
LOCAL_AVATARS_DIR = os.path.join(LOCAL_UPLOADS_DIR, "avatars") if LOCAL_UPLOADS_DIR else None
LOCAL_FILES_DIR = os.path.join(LOCAL_UPLOADS_DIR, "files") if LOCAL_UPLOADS_DIR else None
# 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
if DEVELOPMENT or "ZULIP_COLLECTING_STATIC" in os.environ:
STATICFILES_DIRS = [os.path.join(DEPLOY_ROOT, "static")]
if DEBUG:
WEBPACK_BUNDLES = "../webpack/"
WEBPACK_STATS_FILE = os.path.join(DEPLOY_ROOT, "var", "webpack-stats-dev.json")
else:
WEBPACK_BUNDLES = "webpack-bundles/"
WEBPACK_STATS_FILE = os.path.join(DEPLOY_ROOT, "webpack-stats-production.json")
########################################################################
# TEMPLATES SETTINGS
########################################################################
# List of callables that know how to import templates from various sources.
LOADERS: list[str | tuple[object, ...]] = [
"django.template.loaders.filesystem.Loader",
"django.template.loaders.app_directories.Loader",
]
if PRODUCTION:
# Template caching is a significant performance win in production.
LOADERS = [("django.template.loaders.cached.Loader", LOADERS)]
base_template_engine_settings: dict[str, Any] = {
"BACKEND": "django.template.backends.jinja2.Jinja2",
"OPTIONS": {
"environment": "zproject.jinja2.environment",
"extensions": [
"jinja2.ext.i18n",
],
"context_processors": [
"zerver.context_processors.zulip_default_context",
"django.template.context_processors.i18n",
],
},
}
if CORPORATE_ENABLED:
base_template_engine_settings["OPTIONS"]["context_processors"].append(
"zerver.context_processors.zulip_default_corporate_context"
)
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.template_loaders.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")
SLOW_QUERIES_LOG_PATH = zulip_path("/var/log/zulip/slow_queries.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")
QUEUE_STATS_DIR = zulip_path("/var/log/zulip/queue_stats")
DIGEST_LOG_PATH = zulip_path("/var/log/zulip/digest.log")
ANALYTICS_LOG_PATH = zulip_path("/var/log/zulip/analytics.log")
WEBHOOK_LOG_PATH = zulip_path("/var/log/zulip/webhooks_errors.log")
WEBHOOK_ANOMALOUS_PAYLOADS_LOG_PATH = zulip_path("/var/log/zulip/webhooks_anomalous_payloads.log")
WEBHOOK_UNSUPPORTED_EVENTS_LOG_PATH = zulip_path("/var/log/zulip/webhooks_unsupported_events.log")
SOFT_DEACTIVATION_LOG_PATH = zulip_path("/var/log/zulip/soft_deactivation.log")
TRACEMALLOC_DUMP_DIR = zulip_path("/var/log/zulip/tracemalloc")
DELIVER_SCHEDULED_MESSAGES_LOG_PATH = zulip_path("/var/log/zulip/deliver_scheduled_messages.log")
RETENTION_LOG_PATH = zulip_path("/var/log/zulip/message_retention.log")
AUTH_LOG_PATH = zulip_path("/var/log/zulip/auth.log")
SCIM_LOG_PATH = zulip_path("/var/log/zulip/scim.log")
ZULIP_WORKER_TEST_FILE = zulip_path("/var/log/zulip/zulip-worker-test-file")
LOCKFILE_DIRECTORY = (
"/srv/zulip-locks" if not DEVELOPMENT else os.path.join(os.path.join(DEPLOY_ROOT, "var/locks"))
)
if IS_WORKER:
FILE_LOG_PATH = WORKER_LOG_PATH
else:
FILE_LOG_PATH = SERVER_LOG_PATH
DEFAULT_ZULIP_HANDLERS = [
*(["mail_admins"] if ERROR_REPORTING else []),
"console",
"file",
"errors_file",
]
def skip_200_and_304(record: logging.LogRecord) -> bool:
# Apparently, `status_code` is added by Django and is not an actual
# attribute of LogRecord; as a result, mypy throws an error if we
# access the `status_code` attribute directly.
return getattr(record, "status_code", None) not in [200, 304]
def skip_site_packages_logs(record: logging.LogRecord) -> bool:
# This skips the log records that are generated from libraries
# installed in site packages.
# Workaround for https://code.djangoproject.com/ticket/26886
return "site-packages" not in record.pathname
def file_handler(
filename: str,
level: Literal["DEBUG", "INFO", "WARNING", "ERROR", "CRITICAL"] = "DEBUG",
formatter: str = "default",
) -> dict[str, str]:
return {
"filename": filename,
"level": level,
"formatter": formatter,
"class": "logging.handlers.WatchedFileHandler",
}
LOGGING: dict[str, Any] = {
"version": 1,
"disable_existing_loggers": False,
"formatters": {
"default": {
"()": "zerver.lib.logging_util.ZulipFormatter",
},
"webhook_request_data": {
"()": "zerver.lib.logging_util.ZulipWebhookFormatter",
},
},
"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_really_deployed": {
"()": "zerver.lib.logging_util.RequireReallyDeployed",
},
"skip_200_and_304": {
"()": "django.utils.log.CallbackFilter",
"callback": skip_200_and_304,
},
"skip_site_packages_logs": {
"()": "django.utils.log.CallbackFilter",
"callback": skip_site_packages_logs,
},
},
"handlers": {
"console": {
"level": "DEBUG",
"class": "logging.StreamHandler",
"formatter": "default",
},
"mail_admins": {
"level": "ERROR",
"class": "django.utils.log.AdminEmailHandler",
"filters": (
["ZulipLimiter", "require_debug_false", "require_really_deployed"]
if not DEBUG_ERROR_REPORTING
else []
),
},
"analytics_file": file_handler(ANALYTICS_LOG_PATH),
"auth_file": file_handler(AUTH_LOG_PATH),
"errors_file": file_handler(ERROR_FILE_LOG_PATH, level="WARNING"),
"file": file_handler(FILE_LOG_PATH),
"ldap_file": file_handler(LDAP_LOG_PATH),
"scim_file": file_handler(SCIM_LOG_PATH),
"slow_queries_file": file_handler(SLOW_QUERIES_LOG_PATH, level="INFO"),
"webhook_anomalous_file": file_handler(
WEBHOOK_ANOMALOUS_PAYLOADS_LOG_PATH, formatter="webhook_request_data"
),
"webhook_file": file_handler(WEBHOOK_LOG_PATH, formatter="webhook_request_data"),
"webhook_unsupported_file": file_handler(
WEBHOOK_UNSUPPORTED_EVENTS_LOG_PATH, formatter="webhook_request_data"
),
},
"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",
"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.utils.autoreload": {
# We don't want logging spam from the autoreloaders in development.
"level": "WARNING",
},
"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,
},
"django_scim": {
"level": "DEBUG",
"handlers": ["scim_file", "errors_file"],
"propagate": False,
},
"pyvips": {
"level": "ERROR",
"handlers": ["console", "errors_file"],
"propagate": False,
},
"pika": {
# 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,
},
"requests": {
"level": "WARNING",
},
# our own loggers, alphabetized
"zerver.lib.digest": {
"level": "DEBUG",
},
"zerver.management.commands.deliver_scheduled_emails": {
"level": "DEBUG",
},
"zerver.management.commands.enqueue_digest_emails": {
"level": "DEBUG",
},
"zerver.management.commands.deliver_scheduled_messages": {
"level": "DEBUG",
},
"zulip.analytics": {
"handlers": ["analytics_file", "errors_file"],
"propagate": False,
},
"zulip.auth": {
"level": "DEBUG",
"handlers": [*DEFAULT_ZULIP_HANDLERS, "auth_file"],
"propagate": False,
},
"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.slow_queries": {
"level": "INFO",
"handlers": ["slow_queries_file"],
"propagate": False,
},
"zulip.soft_deactivation": {
"handlers": ["file", "errors_file"],
"propagate": False,
},
"zulip.zerver.webhooks": {
"level": "DEBUG",
"handlers": ["file", "errors_file", "webhook_file"],
"propagate": False,
},
"zulip.zerver.webhooks.unsupported": {
"level": "DEBUG",
"handlers": ["webhook_unsupported_file"],
"propagate": False,
},
"zulip.zerver.webhooks.anomalous": {
"level": "DEBUG",
"handlers": ["webhook_anomalous_file"],
"propagate": False,
},
},
}
if DEVELOPMENT:
CONTRIBUTOR_DATA_FILE_PATH = os.path.join(DEPLOY_ROOT, "var/github-contributors.json")
else:
CONTRIBUTOR_DATA_FILE_PATH = "/var/lib/zulip/github-contributors.json"
LOGIN_REDIRECT_URL = "/"
# Client-side polling timeout for get_events, in seconds.
# 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)
EVENT_QUEUE_LONGPOLL_TIMEOUT_SECONDS = 90
########################################################################
# SSO AND LDAP SETTINGS
########################################################################
USING_LDAP = "zproject.backends.ZulipLDAPAuthBackend" in AUTHENTICATION_BACKENDS
ONLY_LDAP = AUTHENTICATION_BACKENDS == ("zproject.backends.ZulipLDAPAuthBackend",)
USING_APACHE_SSO = "zproject.backends.ZulipRemoteUserBackend" in AUTHENTICATION_BACKENDS
ONLY_SSO = AUTHENTICATION_BACKENDS == ("zproject.backends.ZulipRemoteUserBackend",)
if CUSTOM_HOME_NOT_LOGGED_IN is not None:
# We import this with a different name to avoid a mypy bug with
# type-narrowed default parameter values.
# https://github.com/python/mypy/issues/13087
HOME_NOT_LOGGED_IN = CUSTOM_HOME_NOT_LOGGED_IN
elif ONLY_SSO:
HOME_NOT_LOGGED_IN = "/accounts/login/sso/"
else:
HOME_NOT_LOGGED_IN = "/login/"
AUTHENTICATION_BACKENDS += ("zproject.backends.ZulipDummyBackend",)
POPULATE_PROFILE_VIA_LDAP = bool(AUTH_LDAP_SERVER_URI)
if POPULATE_PROFILE_VIA_LDAP and not USING_LDAP:
AUTHENTICATION_BACKENDS += ("zproject.backends.ZulipLDAPUserPopulator",)
else:
POPULATE_PROFILE_VIA_LDAP = USING_LDAP 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.
REGISTER_LINK_DISABLED = ONLY_LDAP
########################################################################
# 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/"
if SOCIAL_AUTH_SUBDOMAIN in ROOT_SUBDOMAIN_ALIASES:
ROOT_SUBDOMAIN_ALIASES.remove(SOCIAL_AUTH_SUBDOMAIN)
# CLIENT is required by PSA's internal implementation. We name it
# SERVICES_ID to make things more readable in the configuration
# and our own custom backend code.
SOCIAL_AUTH_APPLE_CLIENT = SOCIAL_AUTH_APPLE_SERVICES_ID
SOCIAL_AUTH_APPLE_AUDIENCE = [
id for id in [SOCIAL_AUTH_APPLE_CLIENT, SOCIAL_AUTH_APPLE_APP_ID] if id is not None
]
if PRODUCTION:
SOCIAL_AUTH_APPLE_SECRET = get_from_file_if_exists("/etc/zulip/apple-auth-key.p8")
else:
SOCIAL_AUTH_APPLE_SECRET = get_from_file_if_exists("zproject/dev_apple.key")
SOCIAL_AUTH_GITHUB_SECRET = get_secret("social_auth_github_secret")
SOCIAL_AUTH_GITLAB_SECRET = get_secret("social_auth_gitlab_secret")
SOCIAL_AUTH_AZUREAD_OAUTH2_SECRET = get_secret("social_auth_azuread_oauth2_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 SOCIAL_AUTH_SAML_SP_PUBLIC_CERT and SOCIAL_AUTH_SAML_SP_PRIVATE_KEY:
# If the certificates are set up, it's certainly desirable to sign
# LogoutRequests and LogoutResponses unless explicitly specified otherwise
# in the configuration.
if "logoutRequestSigned" not in SOCIAL_AUTH_SAML_SECURITY_CONFIG:
SOCIAL_AUTH_SAML_SECURITY_CONFIG["logoutRequestSigned"] = True
if "logoutResponseSigned" not in SOCIAL_AUTH_SAML_SECURITY_CONFIG:
SOCIAL_AUTH_SAML_SECURITY_CONFIG["logoutResponseSigned"] = True
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 = f"/etc/zulip/saml/idps/{idp_name}.crt"
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 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_TIMEOUT = 15
if DEVELOPMENT:
EMAIL_HOST = get_secret("email_host", "")
EMAIL_PORT = int(get_secret("email_port", "25"))
EMAIL_HOST_USER = get_secret("email_host_user", "")
EMAIL_USE_TLS = get_secret("email_use_tls", "") == "true"
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",
}
MOBILE_NOTIFICATIONS_SHARDS = int(
get_config("application_server", "mobile_notification_shards", "1")
)
TWO_FACTOR_PATCH_ADMIN = False
# Allow the environment to override the default DSN
SENTRY_DSN = os.environ.get("SENTRY_DSN", SENTRY_DSN)
SCIM_SERVICE_PROVIDER = {
"USER_ADAPTER": "zerver.lib.scim.ZulipSCIMUser",
"USER_FILTER_PARSER": "zerver.lib.scim_filter.ZulipUserFilterQuery",
# NETLOC is actually overridden by the behavior of base_scim_location_getter,
# but django-scim2 requires it to be set, even though it ends up not being used.
# So we need to give it some value here, and EXTERNAL_HOST is the most generic.
"NETLOC": EXTERNAL_HOST,
"SCHEME": EXTERNAL_URI_SCHEME,
"GET_EXTRA_MODEL_FILTER_KWARGS_GETTER": "zerver.lib.scim.get_extra_model_filter_kwargs_getter",
"BASE_LOCATION_GETTER": "zerver.lib.scim.base_scim_location_getter",
"AUTH_CHECK_MIDDLEWARE": "zerver.middleware.ZulipSCIMAuthCheckMiddleware",
"AUTHENTICATION_SCHEMES": [
{
"type": "bearer",
"name": "Bearer",
"description": "Bearer token",
},
],
}
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