207 lines
8.0 KiB
Python
207 lines
8.0 KiB
Python
#!/usr/bin/env python3
|
||
"""
|
||
SetupManager — first-run wizard backend for PIC.
|
||
|
||
Handles validation, locking, and atomic completion of the initial setup
|
||
wizard. Called by api/routes/setup.py.
|
||
"""
|
||
|
||
import fcntl
|
||
import logging
|
||
import os
|
||
import re
|
||
from typing import Any, Dict, List
|
||
|
||
logger = logging.getLogger(__name__)
|
||
|
||
# Top 30 representative IANA time zones shown in the wizard
|
||
AVAILABLE_TIMEZONES = [
|
||
'UTC',
|
||
'America/New_York',
|
||
'America/Chicago',
|
||
'America/Denver',
|
||
'America/Los_Angeles',
|
||
'America/Anchorage',
|
||
'America/Honolulu',
|
||
'America/Sao_Paulo',
|
||
'America/Argentina/Buenos_Aires',
|
||
'America/Toronto',
|
||
'America/Vancouver',
|
||
'America/Mexico_City',
|
||
'Europe/London',
|
||
'Europe/Paris',
|
||
'Europe/Berlin',
|
||
'Europe/Madrid',
|
||
'Europe/Rome',
|
||
'Europe/Amsterdam',
|
||
'Europe/Moscow',
|
||
'Europe/Istanbul',
|
||
'Africa/Cairo',
|
||
'Africa/Johannesburg',
|
||
'Asia/Dubai',
|
||
'Asia/Kolkata',
|
||
'Asia/Bangkok',
|
||
'Asia/Shanghai',
|
||
'Asia/Tokyo',
|
||
'Asia/Seoul',
|
||
'Australia/Sydney',
|
||
'Pacific/Auckland',
|
||
]
|
||
|
||
AVAILABLE_SERVICES = [
|
||
'email',
|
||
'calendar',
|
||
'files',
|
||
'wireguard',
|
||
]
|
||
|
||
VALID_DOMAIN_MODES = {'pic_ngo', 'custom', 'lan'}
|
||
|
||
CELL_NAME_RE = re.compile(r'^[a-z][a-z0-9-]{1,30}$')
|
||
|
||
|
||
class SetupManager:
|
||
"""Manages the first-run setup wizard state and completion."""
|
||
|
||
def __init__(self, config_manager, auth_manager):
|
||
self.config_manager = config_manager
|
||
self.auth_manager = auth_manager
|
||
|
||
# ── state helpers ─────────────────────────────────────────────────────
|
||
|
||
def is_setup_complete(self) -> bool:
|
||
"""Return True if setup has already been completed."""
|
||
return bool(self.config_manager.get_identity().get('setup_complete', False))
|
||
|
||
def get_setup_status(self) -> Dict[str, Any]:
|
||
"""Return current setup status and wizard metadata."""
|
||
return {
|
||
'complete': self.is_setup_complete(),
|
||
'available_services': AVAILABLE_SERVICES,
|
||
'available_timezones': AVAILABLE_TIMEZONES,
|
||
}
|
||
|
||
# ── validation ────────────────────────────────────────────────────────
|
||
|
||
def validate_cell_name(self, name: str) -> List[str]:
|
||
"""Validate a proposed cell name. Returns a list of error strings."""
|
||
errors: List[str] = []
|
||
if not name:
|
||
errors.append('Cell name is required.')
|
||
return errors
|
||
if not CELL_NAME_RE.match(name):
|
||
errors.append(
|
||
'Cell name must start with a lowercase letter, be 2–31 characters, '
|
||
'and contain only lowercase letters, digits, and hyphens.'
|
||
)
|
||
if name.startswith('-') or name.endswith('-'):
|
||
errors.append('Cell name must not start or end with a hyphen.')
|
||
return errors
|
||
|
||
def validate_password(self, password: str) -> List[str]:
|
||
"""Validate admin password strength. Returns a list of error strings."""
|
||
errors: List[str] = []
|
||
if not password:
|
||
errors.append('Password is required.')
|
||
return errors
|
||
if len(password) < 12:
|
||
errors.append('Password must be at least 12 characters long.')
|
||
if not re.search(r'[A-Z]', password):
|
||
errors.append('Password must contain at least one uppercase letter.')
|
||
if not re.search(r'[a-z]', password):
|
||
errors.append('Password must contain at least one lowercase letter.')
|
||
if not re.search(r'\d', password):
|
||
errors.append('Password must contain at least one digit.')
|
||
return errors
|
||
|
||
# ── main completion ───────────────────────────────────────────────────
|
||
|
||
def complete_setup(self, payload: Dict[str, Any]) -> Dict[str, Any]:
|
||
"""Run all validation, then atomically complete the setup wizard.
|
||
|
||
Returns ``{'success': True, 'redirect': '/login'}`` on success or
|
||
``{'success': False, 'errors': [...]}`` on any failure.
|
||
"""
|
||
errors: List[str] = []
|
||
|
||
# ── validate inputs ────────────────────────────────────────────────
|
||
cell_name = payload.get('cell_name', '')
|
||
password = payload.get('password', '')
|
||
domain_mode = payload.get('domain_mode', '')
|
||
timezone = payload.get('timezone', '')
|
||
services_enabled = payload.get('services_enabled', [])
|
||
ddns_provider = payload.get('ddns_provider', 'none')
|
||
|
||
errors.extend(self.validate_cell_name(cell_name))
|
||
errors.extend(self.validate_password(password))
|
||
|
||
if domain_mode not in VALID_DOMAIN_MODES:
|
||
errors.append(
|
||
f"domain_mode must be one of: {', '.join(sorted(VALID_DOMAIN_MODES))}."
|
||
)
|
||
if not timezone or not isinstance(timezone, str):
|
||
errors.append('timezone is required.')
|
||
if not isinstance(services_enabled, list):
|
||
errors.append('services_enabled must be a list.')
|
||
|
||
if errors:
|
||
return {'success': False, 'errors': errors}
|
||
|
||
# ── acquire file lock to prevent double-completion ─────────────────
|
||
lock_path = os.path.join(
|
||
os.environ.get('DATA_DIR', '/app/data'), 'api', '.setup.lock'
|
||
)
|
||
try:
|
||
os.makedirs(os.path.dirname(lock_path), exist_ok=True)
|
||
except OSError:
|
||
pass
|
||
|
||
try:
|
||
lock_fd = open(lock_path, 'w')
|
||
fcntl.flock(lock_fd, fcntl.LOCK_EX)
|
||
except OSError as exc:
|
||
logger.error(f'Could not acquire setup lock: {exc}')
|
||
return {'success': False, 'errors': ['Setup lock could not be acquired. Try again.']}
|
||
|
||
try:
|
||
# Re-check inside lock
|
||
if self.is_setup_complete():
|
||
return {'success': False, 'errors': ['Setup has already been completed.']}
|
||
|
||
# ── create admin user ──────────────────────────────────────────
|
||
ok = self.auth_manager.create_user(
|
||
username='admin',
|
||
password=password,
|
||
role='admin',
|
||
)
|
||
if not ok:
|
||
return {'success': False, 'errors': ['Failed to create admin user. The username may already exist.']}
|
||
|
||
# ── persist identity fields ────────────────────────────────────
|
||
self.config_manager.set_identity_field('cell_name', cell_name)
|
||
self.config_manager.set_identity_field('domain_mode', domain_mode)
|
||
self.config_manager.set_identity_field('timezone', timezone)
|
||
self.config_manager.set_identity_field('services_enabled', services_enabled)
|
||
self.config_manager.set_identity_field('ddns_provider', ddns_provider)
|
||
|
||
# NOTE: DDNS registration is deferred to Phase 3.
|
||
# For now we just store ddns_provider in config.
|
||
logger.info(
|
||
'DDNS registration skipped (Phase 1). '
|
||
'DDNS registration will happen in Phase 3. '
|
||
f'ddns_provider={ddns_provider!r} stored in identity config.'
|
||
)
|
||
|
||
# ── mark setup complete (must be last) ─────────────────────────
|
||
self.config_manager.set_identity_field('setup_complete', True)
|
||
|
||
logger.info(f"Setup completed. cell_name={cell_name!r}, domain_mode={domain_mode!r}")
|
||
return {'success': True, 'redirect': '/login'}
|
||
|
||
finally:
|
||
try:
|
||
fcntl.flock(lock_fd, fcntl.LOCK_UN)
|
||
lock_fd.close()
|
||
except Exception:
|
||
pass
|