linuxrouter/docker/routlin-dash/app/settings.py
2026-06-13 09:25:57 -04:00

114 lines
3.5 KiB
Python

import json
import os
_APP_CONFIG_PATH = '/data/app_config.json'
_app_config_cache = None
_app_config_mtime = None
def _load_app_config():
global _app_config_cache, _app_config_mtime
try:
mtime = os.path.getmtime(_APP_CONFIG_PATH)
if _app_config_cache is not None and mtime == _app_config_mtime:
return _app_config_cache
with open(_APP_CONFIG_PATH) as f:
_app_config_cache = json.load(f)
_app_config_mtime = mtime
return _app_config_cache
except Exception:
return {}
def product_name():
return os.environ.get('PRODUCT_NAME', 'routlin')
def web_app_display_name():
edition = 'Pro' if is_pro() else 'CE'
return os.environ.get('WEB_APP_DISPLAY_NAME', f'{product_name().capitalize()}-{edition} Dashboard')
def is_production():
return not os.environ.get('DEV_MODE', '').lower() in ('1', 'true', 'yes')
def routlin_location():
return os.environ.get('ROUTLIN_LOCATION', '/routlin_location')
def is_pro():
try:
return bool(open(f'{routlin_location()}/.license').read().strip())
except OSError:
return False
def get_host_utc_offset():
# Returns signed integer seconds east of UTC (e.g. -21600 for UTC-6, +19800 for UTC+5:30).
import time
return time.localtime().tm_gmtoff
def get_client_utc_offset(timezone_str):
"""Return signed integer UTC offset in seconds for the given IANA timezone string."""
try:
from zoneinfo import ZoneInfo
from datetime import datetime
return int(datetime.now(ZoneInfo(timezone_str)).utcoffset().total_seconds())
except Exception:
return get_host_utc_offset()
def get_host_timezone():
"""Return the host timezone name (e.g. 'America/New_York'), or '' if unknown."""
tz = os.environ.get('TZ', '').strip()
if tz:
return tz
try:
with open('/etc/timezone') as f:
return f.read().strip()
except OSError:
pass
return ''
def get_initial_manager_email():
cfg = _load_app_config()
return str(cfg.get('initial_manager_email') or os.environ.get('INITIAL_MANAGER_EMAIL', '')).strip().lower()
def is_single_user():
return 'initial_manager_password' in _load_app_config()
def get_initial_manager_password_hash():
return _load_app_config().get('initial_manager_password', '')
def get_credentials_key():
"""Return a Fernet-compatible key derived from the credentials_key in app_config.json
(or CREDENTIALS_KEY env var as fallback), or None if not set. SHA-256 hashes the raw
string to produce 32 bytes, URL-safe base64-encoded as required by Fernet."""
import base64
import hashlib
cfg = _load_app_config()
key_str = str(cfg.get('credentials_key') or os.environ.get('CREDENTIALS_KEY', '')).strip()
if not key_str:
return None
raw = hashlib.sha256(key_str.encode()).digest()
return base64.urlsafe_b64encode(raw)
def get_smtp_config():
"""Return SMTP settings from app_config.json, falling back to env vars."""
cfg = _load_app_config()
smtp = cfg.get('smtp', {})
user = str(smtp.get('user') or os.environ.get('SMTP_USER', '')).strip()
return {
'host': str(smtp.get('host') or os.environ.get('SMTP_HOST', '')).strip(),
'port': int(smtp.get('port') or os.environ.get('SMTP_PORT', 587)),
'user': user,
'password': str(smtp.get('password') or os.environ.get('SMTP_PASSWORD', '')).strip(),
'from': str(smtp.get('from') or os.environ.get('SMTP_FROM', user)).strip(),
}