import os import sys import time from copy import deepcopy from typing import Any, Dict, List, Optional, Tuple, Union from urllib.parse import urljoin from django.template.loaders import app_directories import zerver.lib.logging_util from zerver.lib.db import TimeTrackingConnection from .config import ( DEPLOY_ROOT, DEVELOPMENT, PRODUCTION, 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, 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, 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 # 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' # 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[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.HostDomainMiddleware', 'django.contrib.sessions.middleware.SessionMiddleware', '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: Optional[str] = 'http://127.0.0.1:9993' 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: Dict[str, Dict[str, Any]] = {"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, }, }} 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 ], } # 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'] 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 # 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') 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: 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_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/' if DEBUG else '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: 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', 'webpack_loader.contrib.jinja2ext.WebpackExtension', ], '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") 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") 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', }, }, '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, }, }, '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_email': { '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, }, 'zulip.zerver.lib.webhooks.common': { 'level': 'DEBUG', 'handlers': ['file', 'errors_file'], 'propagate': False, }, 'zulip.zerver.webhooks': { 'level': 'DEBUG', 'handlers': ['file', 'errors_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 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) ONLY_LDAP = False if len(AUTHENTICATION_BACKENDS) == 1 and (AUTHENTICATION_BACKENDS[0] == "zproject.backends.ZulipLDAPAuthBackend"): ONLY_LDAP = True 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/' # 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 if PRODUCTION: SOCIAL_AUTH_APPLE_SECRET = get_from_file_if_exists("/etc/zulip/apple/zulip-private-key.key") 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 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