05/02/2026 updated code for security 2
This commit is contained in:
-155
@@ -1,155 +0,0 @@
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from flask import Flask, render_template
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from flask_sqlalchemy import SQLAlchemy
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from flask_migrate import Migrate
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from flask_login import LoginManager
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from flask_wtf.csrf import CSRFProtect
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from flask_limiter import Limiter
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from flask_limiter.util import get_remote_address
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from flask_cors import CORS
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from .config import config
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db = SQLAlchemy()
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migrate = Migrate()
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login_manager = LoginManager()
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csrf = CSRFProtect()
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limiter = Limiter(key_func=get_remote_address)
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# APScheduler is used for the background token-blacklist cleanup job.
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# Imported here so it is available at module level; started inside create_app().
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try:
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from apscheduler.schedulers.background import BackgroundScheduler
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_scheduler_available = True
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except ImportError: # pragma: no cover — optional dependency
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_scheduler_available = False
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def create_app(config_name: str = 'development') -> Flask:
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app = Flask(__name__)
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app.config.from_object(config[config_name])
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# Extensions
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db.init_app(app)
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migrate.init_app(app, db)
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login_manager.init_app(app)
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csrf.init_app(app)
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limiter.init_app(app)
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# Restrict CORS to the configured origin (locked to production domain in prod)
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cors_origins = app.config.get('CORS_ORIGINS', '*')
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CORS(app, resources={r'/api/*': {'origins': cors_origins}})
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# Inject static asset version into every template for cache-busting.
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# Usage in templates: {{ url_for('static', filename='css/app.css') }}?v={{ sv }}
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app.jinja_env.globals['sv'] = app.config.get('STATIC_VERSION', '1')
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# Attach security headers to every response
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@app.after_request
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def set_security_headers(response):
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# Strict-Transport-Security: enforce HTTPS for 1 year, include subdomains
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response.headers['Strict-Transport-Security'] = (
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'max-age=31536000; includeSubDomains'
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)
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# Prevent clickjacking
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response.headers['X-Frame-Options'] = 'DENY'
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# Prevent MIME-type sniffing
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response.headers['X-Content-Type-Options'] = 'nosniff'
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# Control referrer information leakage
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response.headers['Referrer-Policy'] = 'strict-origin-when-cross-origin'
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# Permissions policy — disable features the app does not use
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response.headers['Permissions-Policy'] = (
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'geolocation=(), camera=(), microphone=()'
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)
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# CSP via HTTP header (authoritative — overrides the meta tag for all resources)
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response.headers['Content-Security-Policy'] = (
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"default-src 'self'; "
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"script-src 'self'; "
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"style-src 'self'; "
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"img-src 'self' data:; "
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"font-src 'self'; "
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"connect-src 'self' https://api.pwnedpasswords.com; "
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"frame-ancestors 'none';"
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)
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return response
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# Ensure all models are imported so SQLAlchemy knows about them
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from .models.user import User
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from .models.folder import Folder
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from .models.vault_item import VaultItem
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from .models.token_blacklist import TokenBlacklist
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from .models.shared_item import SharedItem
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from .models.emergency_access import EmergencyAccess
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from .models.audit_log import AuditLog
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@login_manager.user_loader
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def load_user(user_id):
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return User.query.get(int(user_id))
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# Blueprints
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from .routes.auth import auth_bp
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from .routes.vault import vault_bp
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from .routes.folders import folders_bp
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from .routes.sharing import sharing_bp
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from .routes.emergency import emergency_bp
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app.register_blueprint(auth_bp, url_prefix='/api/auth')
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app.register_blueprint(vault_bp, url_prefix='/api/vault')
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app.register_blueprint(folders_bp, url_prefix='/api/folders')
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app.register_blueprint(sharing_bp, url_prefix='/api/sharing')
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app.register_blueprint(emergency_bp, url_prefix='/api/emergency')
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# Exempt all API blueprints from CSRF — JWT bearer tokens make CSRF irrelevant
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csrf.exempt(auth_bp)
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csrf.exempt(vault_bp)
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csrf.exempt(folders_bp)
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csrf.exempt(sharing_bp)
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csrf.exempt(emergency_bp)
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# Page-serving routes
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@app.route('/')
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@app.route('/login')
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def login_page():
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return render_template('auth/login.html')
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@app.route('/register')
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def register_page():
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return render_template('auth/register.html')
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@app.route('/vault')
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def vault_page():
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return render_template('vault/index.html')
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@app.route('/recover')
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def recover_page():
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return render_template('auth/recover.html')
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# ── Background scheduler — token blacklist cleanup ─────────────────────────
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# Runs cleanup_expired() every hour so the token_blacklist table never
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# accumulates unbounded rows. Runs in a daemon thread — no request context.
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if _scheduler_available:
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def _cleanup_expired_tokens():
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with app.app_context():
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try:
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from app.models.token_blacklist import TokenBlacklist
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TokenBlacklist.cleanup_expired()
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import logging
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logging.getLogger(__name__).debug(
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'[PassKeeper] token_blacklist cleanup completed'
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)
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except Exception as exc: # pragma: no cover
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import logging
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logging.getLogger(__name__).warning(
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'[PassKeeper] token_blacklist cleanup failed: %s', exc
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)
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scheduler = BackgroundScheduler(daemon=True)
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scheduler.add_job(
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_cleanup_expired_tokens,
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trigger='interval',
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hours=1,
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id='token_blacklist_cleanup',
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replace_existing=True,
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)
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scheduler.start()
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return app
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