326 lines
16 KiB
Python
326 lines
16 KiB
Python
from flask import Flask
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from flask_sqlalchemy import SQLAlchemy
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from flask_login import LoginManager
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from flask_migrate import Migrate
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from flask_mail import Mail
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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 config import config
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import os
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import logging
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from logging.handlers import RotatingFileHandler
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from app.tenancy.routing import RoutingSession
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db = SQLAlchemy(session_options={'class_': RoutingSession})
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login_manager = LoginManager()
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migrate = Migrate()
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mail = Mail()
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csrf = CSRFProtect() # initialized here; .init_app() called in create_app()
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limiter = Limiter(
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key_func = get_remote_address,
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default_limits = [], # no global limit — applied per-route only
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# Use Redis when REDIS_URL is set in the environment (production multi-worker).
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# Falls back to in-process memory for local development (single-worker only;
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# counters are NOT shared across Gunicorn workers in memory:// mode).
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storage_uri = os.environ.get('REDIS_URL', 'memory://'),
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)
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def create_app(config_name='default'):
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app = Flask(__name__)
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app.config.from_object(config[config_name])
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# Unwrap X-Forwarded-For / X-Forwarded-Proto set by Nginx so Flask sees
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# the real client IP (needed for rate limiting and fail2ban logging) and
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# the real scheme (needed for HTTPS URL generation in emails).
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from werkzeug.middleware.proxy_fix import ProxyFix
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app.wsgi_app = ProxyFix(app.wsgi_app, x_for=1, x_proto=1, x_host=1)
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db.init_app(app)
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login_manager.init_app(app)
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migrate.init_app(app, db)
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mail.init_app(app)
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csrf.init_app(app) # enables CSRF protection for all web routes
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limiter.init_app(app) # rate limiting — applied per-route via @limiter.limit()
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# ── Multi-tenant resolution (MT-1) ───────────────────────────────────────
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# Registers the before_request Host→tenant resolver. Inert (no-op) unless
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# config MULTI_TENANT_ENABLED is True, so the single-tenant deployment is
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# unaffected until tenants are provisioned and the flag is flipped.
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from app.tenancy.middleware import init_tenancy
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init_tenancy(app)
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login_manager.login_view = 'auth.login'
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login_manager.login_message = 'Please log in to access this page.'
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login_manager.login_message_category = 'info'
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# ── Logging setup ────────────────────────────────────────────────────────
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# Configure root logger so that logger.info/error calls in all modules
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# (notifications.py, issues.py, etc.) actually write output.
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# Writes to stdout (captured by journalctl/gunicorn) AND a rotating file.
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if not app.debug or os.environ.get('LOG_TO_FILE'):
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log_level = logging.INFO
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formatter = logging.Formatter(
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'[%(asctime)s] %(levelname)s in %(module)s: %(message)s',
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datefmt='%Y-%m-%d %H:%M:%S',
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)
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# Stream handler — always on; journalctl captures stdout
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stream_handler = logging.StreamHandler()
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stream_handler.setLevel(log_level)
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stream_handler.setFormatter(formatter)
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# Rotating file handler — keeps 5 × 5 MB log files
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log_dir = os.path.join(os.path.dirname(os.path.dirname(__file__)), 'logs')
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os.makedirs(log_dir, exist_ok=True)
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file_handler = RotatingFileHandler(
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os.path.join(log_dir, 'jqc.log'),
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maxBytes=5 * 1024 * 1024,
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backupCount=5,
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)
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file_handler.setLevel(log_level)
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file_handler.setFormatter(formatter)
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# Apply to both the Flask app logger and the root logger so all
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# getLogger(__name__) calls in sub-modules are captured.
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app.logger.setLevel(log_level)
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app.logger.addHandler(stream_handler)
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app.logger.addHandler(file_handler)
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root_logger = logging.getLogger()
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root_logger.setLevel(log_level)
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if not root_logger.handlers:
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root_logger.addHandler(stream_handler)
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root_logger.addHandler(file_handler)
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# Register csrf_token() as an app-wide Jinja2 global so templates that
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# render manual forms (no WTForms object) can still inject the CSRF token.
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# CSRFProtect (initialized above) is the authoritative guard for web routes;
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# the /api/v1 blueprint is exempted below via csrf.exempt().
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from flask_wtf.csrf import generate_csrf
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app.jinja_env.globals['csrf_token'] = generate_csrf
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app.jinja_env.globals['enumerate'] = enumerate
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def _hex_to_rgb(hex_color):
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"""Convert #rrggbb → 'r,g,b' string for CSS rgb() / Bootstrap var."""
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h = hex_color.lstrip('#')
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if len(h) != 6:
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return '26,86,219'
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try:
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return ','.join(str(int(h[i:i+2], 16)) for i in (0, 2, 4))
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except ValueError:
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return '26,86,219'
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app.jinja_env.filters['hex_to_rgb'] = _hex_to_rgb
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# SLA helpers available in all templates
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from app.utils.sla import sla_status, sla_deadline, sla_hours_remaining, SLA_HOURS
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app.jinja_env.globals['sla_status'] = sla_status
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app.jinja_env.globals['sla_deadline'] = sla_deadline
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app.jinja_env.globals['sla_hours_remaining'] = sla_hours_remaining
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app.jinja_env.globals['SLA_HOURS'] = SLA_HOURS
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# ── Inject unread notification count into every template context ──────
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# This powers the red badge on the navbar bell icon without requiring
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# individual routes to pass the count manually.
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from flask_login import current_user
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@app.context_processor
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def inject_notification_count():
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try:
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if current_user.is_authenticated:
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from app.models.notification import Notification
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from app.models.issue import Issue
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unread = Notification.query.filter_by(
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user_id=current_user.id, is_read=False
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).count()
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# Pending verification count — only computed for director+ roles
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pv_count = 0
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if current_user.role in ('admin', 'director'):
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pv_count = Issue.query.filter_by(
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status='pending_verification'
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).count()
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# Open support tickets — admin/director only
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open_support = 0
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if current_user.role in ('admin', 'director'):
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from app.models.support import SupportTicket
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open_support = SupportTicket.query.filter_by(status='open').count()
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return {
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'unread_notification_count': unread,
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'pending_verification_count': pv_count,
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'open_support_tickets_count': open_support,
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}
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except Exception:
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pass
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return {'unread_notification_count': 0, 'pending_verification_count': 0, 'open_support_tickets_count': 0}
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@app.context_processor
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def inject_tenant_branding():
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"""MT-7: push tenant branding into every template as `tenant_branding`."""
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try:
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from app.models.tenant_settings import TenantSettings
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settings = TenantSettings.get_or_default()
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return {'tenant_branding': settings}
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except Exception:
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pass
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return {'tenant_branding': None}
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@app.context_processor
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def inject_billing_context():
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"""MT-8: push billing state into every template."""
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try:
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from flask import g
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from app.utils.time_utils import now_eastern
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billing_warning = getattr(g, 'billing_warning', None)
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tenant = getattr(g, 'tenant', None)
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subscription_status = tenant.subscription_status if tenant else None
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trial_ends_at = tenant.trial_ends_at if tenant else None
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trial_days_remaining = None
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if trial_ends_at is not None:
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delta = trial_ends_at - now_eastern()
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trial_days_remaining = max(0, delta.days)
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return {
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'billing_enabled': app.config.get('BILLING_ENABLED', False),
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'billing_warning': billing_warning,
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'subscription_status': subscription_status,
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'trial_ends_at': trial_ends_at,
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'trial_days_remaining': trial_days_remaining,
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}
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except Exception:
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pass
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return {
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'billing_enabled': False,
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'billing_warning': None,
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'subscription_status': None,
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'trial_ends_at': None,
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'trial_days_remaining': None,
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}
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os.makedirs(app.config['UPLOAD_FOLDER'], exist_ok=True)
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from app.routes import auth, dashboard, inspections, templates, reports, facilities
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from app.routes import issues # Phase 3
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from app.routes import notifications # Notification system
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from app.routes import audit # Audit Trail
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from app.routes import projects # Phase 1/2 — Project management
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from app.routes import customers # Phase 5 — Customer management
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from app.routes import scheduled_reports # Phase 6 — Scheduled reports
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from app.routes import inspection_schedules # phase34 — recurring inspections
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from app.routes import work_orders # phase36 — vendor work orders (public tokenized)
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from app.routes import facility_qr # phase38 — facility QR scan page (public tokenized)
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from app.routes import support # Support chat + admin tickets
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from app.routes import broadcast # Admin broadcast messages
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from app.routes import devices # Admin device management
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from app.routes import tenant_settings # MT-7 — tenant self-service
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from app.routes import signup # MT-8+ — public self-service signup
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from app.routes import landing # Public apex marketing/landing page
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from app.billing import bp as billing_bp # MT-8 — Stripe billing
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app.register_blueprint(auth.bp)
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app.register_blueprint(dashboard.bp)
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app.register_blueprint(inspections.bp)
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app.register_blueprint(templates.bp)
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app.register_blueprint(reports.bp)
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app.register_blueprint(facilities.bp)
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app.register_blueprint(issues.bp)
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app.register_blueprint(notifications.bp)
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app.register_blueprint(audit.bp)
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app.register_blueprint(projects.bp)
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app.register_blueprint(customers.bp)
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app.register_blueprint(scheduled_reports.bp)
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app.register_blueprint(inspection_schedules.bp)
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app.register_blueprint(work_orders.bp)
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app.register_blueprint(facility_qr.bp)
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app.register_blueprint(support.bp)
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app.register_blueprint(broadcast.bp)
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app.register_blueprint(devices.bp)
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app.register_blueprint(tenant_settings.bp)
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app.register_blueprint(signup.bp)
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app.register_blueprint(landing.bp)
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# Billing blueprint is CSRF-exempt: /billing/webhook receives raw POST from
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# Stripe and cannot carry a CSRF token. Subscribe/portal are GET redirects
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# which Flask-WTF does not protect anyway (CSRF only applies to unsafe methods).
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csrf.exempt(billing_bp)
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app.register_blueprint(billing_bp)
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# ── Mobile API (Phase 7 / Phase A / Phase B / Phase C) ───────────────────
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# The /api/v1 blueprint group uses JWT Bearer tokens — no CSRF cookies needed.
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#
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# Flask-WTF's _is_exempt() checks whether the *leaf* blueprint object
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# is in _exempt_blueprints. Exempting the parent api_bp does NOT cascade
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# to sub-blueprints. Each child blueprint must be exempted individually.
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from app.api import register_api, api_bp
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from app.api.auth import bp as _api_auth_bp
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from app.api.facilities import bp as _api_facilities_bp
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from app.api.templates import bp as _api_templates_bp
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from app.api.inspections import bp as _api_inspections_bp
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from app.api.issues import bp as _api_issues_bp
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from app.api.photos import bp as _api_photos_bp
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from app.api.notifications import bp as _api_notifications_bp
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from app.api.stats import bp as _api_stats_bp
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from app.api.comments import bp as _api_comments_bp
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csrf.exempt(_api_auth_bp)
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csrf.exempt(_api_facilities_bp)
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csrf.exempt(_api_templates_bp)
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csrf.exempt(_api_inspections_bp)
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csrf.exempt(_api_issues_bp)
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csrf.exempt(_api_photos_bp)
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csrf.exempt(_api_notifications_bp)
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csrf.exempt(_api_stats_bp)
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csrf.exempt(_api_comments_bp)
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register_api(app)
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# ── Security response headers ─────────────────────────────────────────
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# Applied to every response. Blocks clickjacking, MIME sniffing, and
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# obvious XSS vectors without breaking Bootstrap CDN / Google Fonts.
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@app.after_request
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def set_security_headers(response):
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from flask import request as _request
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response.headers.setdefault('X-Content-Type-Options', 'nosniff')
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response.headers.setdefault('X-Frame-Options', 'SAMEORIGIN')
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response.headers.setdefault('Referrer-Policy', 'strict-origin-when-cross-origin')
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response.headers.setdefault(
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'Content-Security-Policy',
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"default-src 'self'; "
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"script-src 'self' 'unsafe-inline' https://cdn.jsdelivr.net; "
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"style-src 'self' 'unsafe-inline' https://cdn.jsdelivr.net https://fonts.googleapis.com; "
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"font-src 'self' data: https://fonts.gstatic.com https://cdn.jsdelivr.net; "
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"img-src 'self' data: blob: https://maps.gstatic.com https://maps.googleapis.com; "
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"connect-src 'self' https://cdn.jsdelivr.net; "
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"frame-src https://maps.google.com https://www.google.com; "
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# Hardening directives that don't affect existing inline scripts/styles:
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# block plugins, injected <base> tags, and cross-origin form posts.
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"object-src 'none'; base-uri 'self'; form-action 'self'; "
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"frame-ancestors 'none';"
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)
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# HSTS — advertise only over HTTPS (Nginx terminates TLS and forwards
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# X-Forwarded-Proto). includeSubDomains is deliberately OMITTED: a tenant
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# custom domain may run unrelated subdomains that are not yet HTTPS, and
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# this header must never force-upgrade one of those.
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if _request.is_secure or _request.headers.get('X-Forwarded-Proto', '') == 'https':
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response.headers.setdefault('Strict-Transport-Security', 'max-age=31536000')
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return response
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# ── Error handler: 413 Request Entity Too Large ───────────────────────
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# Nginx can return 413 before Flask sees the request; this handler covers
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# the Flask-side rejection and gives users a clear, actionable message
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# with a redirect back into the inspection workflow.
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from werkzeug.exceptions import RequestEntityTooLarge
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@app.errorhandler(RequestEntityTooLarge)
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@app.errorhandler(413)
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def handle_413(e):
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from flask import request as flask_request, flash as flask_flash, redirect, url_for
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flask_flash(
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f'The uploaded file(s) are too large. '
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f'Please reduce the photo size or upload fewer photos at once '
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f'(maximum {app.config["MAX_CONTENT_LENGTH"] // (1024 * 1024)}MB per submission).',
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'danger'
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)
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# Redirect back to the referring page if available, otherwise dashboard
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referrer = flask_request.referrer
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return redirect(referrer or url_for('dashboard.index')), 302
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return app |