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zulip/zproject/computed_settings.py

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import os
import sys
import time
import warnings
from copy import deepcopy
from pathlib import PosixPath
from typing import Any, Dict, List, Tuple, Union
from urllib.parse import urljoin
from cryptography.utils import CryptographyDeprecationWarning
from django.template.loaders import app_directories
import zerver.lib.logging_util
from scripts.lib.zulip_tools import get_tornado_ports
from zerver.lib.db import TimeTrackingConnection
from .config import (
DEPLOY_ROOT,
DEVELOPMENT,
PRODUCTION,
config_file,
get_config,
get_from_file_if_exists,
get_secret,
)
from .configured_settings import (
ADMINS,
ALLOWED_HOSTS,
AUTH_LDAP_BIND_DN,
AUTH_LDAP_CONNECTION_OPTIONS,
AUTH_LDAP_SERVER_URI,
AUTHENTICATION_BACKENDS,
CAMO_URI,
DEBUG,
DEBUG_ERROR_REPORTING,
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,
REALM_HOSTS,
REGISTER_LINK_DISABLED,
REMOTE_POSTGRES_HOST,
REMOTE_POSTGRES_PORT,
REMOTE_POSTGRES_SSLMODE,
SENDFILE_BACKEND,
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,
STATSD_HOST,
TORNADO_PORTS,
USING_PGROONGA,
ZULIP_ADMINISTRATOR,
)
########################################################################
# INITIAL SETTINGS
########################################################################
# 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:
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
# 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
# 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_WITHOUT_PORT, "." + EXTERNAL_HOST_WITHOUT_PORT]
# ... and with the hosts in REALM_HOSTS.
ALLOWED_HOSTS += REALM_HOSTS.values()
class TwoFactorLoader(app_directories.Loader):
def get_dirs(self) -> List[PosixPath]:
dirs = super().get_dirs()
return [d for d in dirs if d.match("two_factor/*")]
MIDDLEWARE = (
# With the exception of it's dependencies,
# our logging middleware should be the top middleware item.
"zerver.middleware.TagRequests",
"zerver.middleware.SetRemoteAddrFromRealIpHeader",
"zerver.middleware.RequestContext",
"zerver.middleware.LogRequests",
"zerver.middleware.JsonErrorHandler",
"zerver.middleware.RateLimitMiddleware",
"zerver.middleware.FlushDisplayRecipientCache",
"zerver.middleware.ZulipCommonMiddleware",
"django.contrib.sessions.middleware.SessionMiddleware",
"zerver.middleware.LocaleMiddleware",
"zerver.middleware.HostDomainMiddleware",
"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",
"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
if not TORNADO_PORTS:
TORNADO_PORTS = get_tornado_ports(config_file)
TORNADO_PROCESSES = len(TORNADO_PORTS)
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",
# 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,
},
}
}
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"
elif get_config("postgresql", "database_user") != "zulip":
if get_secret("postgres_password") is not None:
DATABASES["default"].update(
PASSWORD=get_secret("postgres_password"),
HOST="localhost",
)
POSTGRESQL_MISSING_DICTIONARIES = bool(get_config("postgresql", "missing_dictionaries", None))
DEFAULT_AUTO_FIELD = "django.db.models.AutoField"
########################################################################
# RABBITMQ CONFIGURATION
########################################################################
USING_RABBITMQ = True
RABBITMQ_PASSWORD = get_secret("rabbitmq_password")
########################################################################
# CACHING CONFIGURATION
########################################################################
SESSION_ENGINE = "django.contrib.sessions.backends.cached_db"
MEMCACHED_PASSWORD = get_secret("memcached_password")
CACHES = {
"default": {
"BACKEND": "django_bmemcached.memcached.BMemcached",
"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,
},
},
"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
],
"api_by_ip": [
(60, 100),
],
"api_by_remote_server": [
(60, 1000),
],
"authenticate_by_username": [
(1800, 5), # 5 login attempts within 30 minutes
],
"create_realm_by_ip": [
(1800, 5),
],
"find_account_by_ip": [
(3600, 10),
],
"password_reset_form_by_email": [
(3600, 2), # 2 reset emails per hour
(86400, 5), # 5 per day
],
}
# 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")
########################################################################
# 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
# 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"
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
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")
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"
########################################################################
# 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
########################################################################
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/"
# 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_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[Union[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",
"jinja2.ext.autoescape",
],
"context_processors": [
"zerver.context_processors.zulip_default_context",
"django.template.context_processors.i18n",
],
},
}
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")
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")
ANALYTICS_LOCK_DIR = zulip_path("/home/zulip/deployments/analytics-lock-dir")
WEBHOOK_LOG_PATH = zulip_path("/var/log/zulip/webhooks_errors.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")
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: 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_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",
},
"auth_file": {
"level": "DEBUG",
"class": "logging.handlers.WatchedFileHandler",
"formatter": "default",
"filename": AUTH_LOG_PATH,
},
"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,
},
"slow_queries_file": {
"level": "INFO",
"class": "logging.handlers.WatchedFileHandler",
"formatter": "default",
"filename": SLOW_QUERIES_LOG_PATH,
},
"webhook_file": {
"level": "DEBUG",
"class": "logging.handlers.WatchedFileHandler",
"formatter": "webhook_request_data",
"filename": WEBHOOK_LOG_PATH,
},
"webhook_unsupported_file": {
"level": "DEBUG",
"class": "logging.handlers.WatchedFileHandler",
"formatter": "webhook_request_data",
"filename": WEBHOOK_UNSUPPORTED_EVENTS_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.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,
},
"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.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,
},
# This logger is used only for automated tests validating the
# error-handling behavior of the zulip_admins handler.
"zulip.test_zulip_admins_handler": {
"handlers": ["zulip_admins"],
"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,
},
},
}
# Silence CryptographyDeprecationWarning spam from a dependency:
# /srv/zulip-py3-venv/lib/python3.6/site-packages/jose/backends/cryptography_backend.py:18: CryptographyDeprecationWarning: int_from_bytes is deprecated, use int.from_bytes instead
# TODO: Clean this up when possible after future dependency upgrades.
warnings.filterwarnings("ignore", category=CryptographyDeprecationWarning, module="jose.*")
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 ONLY_SSO:
HOME_NOT_LOGGED_IN = "/accounts/login/sso/"
else:
HOME_NOT_LOGGED_IN = "/login/"
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 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/"
# 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_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 = 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.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_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",
}
TWO_FACTOR_PATCH_ADMIN = False
# Allow the environment to override the default DSN
SENTRY_DSN = os.environ.get("SENTRY_DSN", SENTRY_DSN)
if SENTRY_DSN:
from .sentry import setup_sentry
setup_sentry(SENTRY_DSN, get_config("machine", "deploy_type", "development"))
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