86 lines
3.4 KiB
Python
86 lines
3.4 KiB
Python
import os
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from datetime import timedelta
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from dotenv import load_dotenv
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load_dotenv()
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class BaseConfig:
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SECRET_KEY = os.environ.get('SECRET_KEY', 'dev-secret-change-me')
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JWT_SECRET_KEY = os.environ.get('JWT_SECRET_KEY', 'jwt-secret-change-me')
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JWT_ACCESS_TOKEN_EXPIRES = timedelta(minutes=15)
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JWT_REFRESH_TOKEN_EXPIRES = timedelta(days=7)
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SQLALCHEMY_DATABASE_URI = (
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'mysql+pymysql://{user}:{password}@{host}:{port}/{db}?charset=utf8mb4'.format(
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user=os.environ.get('MYSQL_USER', 'passkeeper'),
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password=os.environ.get('MYSQL_PASSWORD', ''),
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host=os.environ.get('MYSQL_HOST', '127.0.0.1'),
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port=os.environ.get('MYSQL_PORT', '3306'),
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db=os.environ.get('MYSQL_DB', 'passkeeper'),
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)
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)
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SQLALCHEMY_TRACK_MODIFICATIONS = False
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# MySQL closes idle connections after wait_timeout (default 8 hours).
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# pool_recycle ensures SQLAlchemy replaces connections before that deadline.
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# pool_pre_ping sends a cheap SELECT 1 before each checkout so stale
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# connections are detected and recycled rather than causing "MySQL has gone
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# away" errors on the first request after a long idle period.
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SQLALCHEMY_ENGINE_OPTIONS = {
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'pool_recycle': 3600, # recycle connections after 1 hour
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'pool_pre_ping': True, # test each connection before use
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'pool_timeout': 30, # raise after 30 s if no connection available
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'pool_size': 10, # base pool size per worker
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'max_overflow': 5, # allow up to 5 extra connections under load
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}
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WTF_CSRF_ENABLED = True
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WTF_CSRF_TIME_LIMIT = 3600
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ARGON2_TIME_COST = int(os.environ.get('ARGON2_TIME_COST', 3))
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ARGON2_MEMORY_COST = int(os.environ.get('ARGON2_MEMORY_COST', 65536))
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ARGON2_PARALLELISM = int(os.environ.get('ARGON2_PARALLELISM', 4))
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# Server-side AES-256-GCM key for encrypting TOTP secrets at rest.
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# Must be a 64-character hex string (32 bytes).
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# Generate: python -c "import secrets; print(secrets.token_hex(32))"
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TOTP_ENCRYPTION_KEY = os.environ.get('TOTP_ENCRYPTION_KEY', '')
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# Rate limiting — use Redis in production so all Gunicorn workers share one counter.
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# Falls back to memory (per-worker, dev only).
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RATELIMIT_STORAGE_URI = os.environ.get('RATELIMIT_STORAGE_URI', 'memory://')
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# CORS — restrict to the production origin in production config.
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CORS_ORIGINS = os.environ.get('CORS_ORIGINS', '*')
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# Cache-busting version string appended as ?v=... to all static assets.
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# Bump this value on every deploy to force browsers to reload CSS/JS.
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# Set via .env: STATIC_VERSION=20260418
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STATIC_VERSION = os.environ.get('STATIC_VERSION', '1')
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# Session cookie defaults — applied in all environments.
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# SECURE is intentionally left out of BaseConfig so dev HTTP still works.
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# See ProductionConfig below for the full hardened set.
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SESSION_COOKIE_HTTPONLY = True
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SESSION_COOKIE_SAMESITE = 'Lax'
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class DevelopmentConfig(BaseConfig):
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DEBUG = True
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RATELIMIT_ENABLED = False
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class ProductionConfig(BaseConfig):
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DEBUG = False
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RATELIMIT_ENABLED = True
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# Force HTTPS in production — marks cookie Secure so it is never sent over HTTP.
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SESSION_COOKIE_SECURE = True
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SESSION_COOKIE_HTTPONLY = True
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SESSION_COOKIE_SAMESITE = 'Lax'
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config = {
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'development': DevelopmentConfig,
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'production': ProductionConfig,
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} |