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shopdb-flask/plugins/usb/plugin.py
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A nav item says which permission its page needs
The sidebar hides what the caller cannot reach - that is what makes it useful
to a guest, and what stops a member with a sparse role being offered links that
can only answer 403. It reads the permission off the nav item to decide.

Only four items ever declared one. Machines, PCs, Printers, Network, USB,
Knowledge Base, Notifications, Calendar, Dashboard, Map, Applications and
Reports declared nothing, so the filter had nothing to go on: granting the
guest role machines.view opened the API and left the sidebar empty, which reads
as the grant not working.

Every item now names its read permission - in the plugins, in the core
navigation endpoint, and in the frontend's fallback list, which is what renders
when the endpoint is unreachable and would otherwise disagree with it.
2026-08-27 14:50:52 -04:00

202 lines
8.3 KiB
Python

"""USB plugin main class."""
import json
import logging
from pathlib import Path
from typing import List, Dict, Optional, Type
from flask import Flask, Blueprint
from shopdb.plugins.base import BasePlugin, PluginMeta
from .models import USBDevice, USBDeviceType, USBCheckout
from .api import usb_bp
logger = logging.getLogger(__name__)
class USBPlugin(BasePlugin):
"""
USB plugin - manages USB device tracking and checkouts.
Standalone plugin for tracking USB flash drives, external drives,
and other portable storage devices with checkout/checkin functionality.
"""
def __init__(self):
self._manifest = self._load_manifest()
def _load_manifest(self) -> Dict:
"""Load plugin manifest from JSON file."""
manifest_path = Path(__file__).parent / 'manifest.json'
if manifest_path.exists():
with open(manifest_path, 'r') as f:
return json.load(f)
return {}
@property
def meta(self) -> PluginMeta:
"""Return plugin metadata."""
return PluginMeta(
name=self._manifest.get('name', 'usb'),
version=self._manifest.get('version', '1.0.0'),
description=self._manifest.get('description', 'USB device checkout management'),
author=self._manifest.get('author', 'ShopDB Team'),
dependencies=self._manifest.get('dependencies', []),
core_version=self._manifest.get('core_version', '>=1.0.0'),
api_prefix=self._manifest.get('api_prefix', '/api/usb'),
)
def get_blueprint(self) -> Optional[Blueprint]:
"""Return Flask Blueprint with API routes."""
return usb_bp
def get_models(self) -> List[Type]:
"""Return list of SQLAlchemy model classes."""
return [USBDeviceType, USBDevice, USBCheckout]
def get_provisioning_note(self) -> Optional[Dict]:
return {
'mode_setting': 'usb_directory_mode',
'tables': ['usbdevicetypes', 'usbdevices', 'usbcheckouts'],
'note': ('Enabling this creates USB tracking tables in the shopdb '
'database (usbdevicetypes, usbdevices, usbcheckouts) for CMMC '
'removable-media check-in/out. Devices, check-in/out events, '
'and per-event log ids live here. Planned build-out: a USB-ID '
'standard, overdue-device email reminders, and DLP/Fabric '
'approval integration (see the captured design notes). A site '
'with an existing cmmc_usb database can use external mode '
'instead.'),
'docs': 'plugins/usb/README.md',
}
def get_reports(self) -> List[Dict]:
"""Removable-media audit.
CMMC tracking is an audit obligation, and the only way to answer "who
had which drive, when" was to page through the check-in/out list by
hand. The window covers a shift, a periodic review, or everything ever
recorded.
"""
return [
{
'id': 'usb-audit',
'name': 'USB Check-in / Check-out Audit',
'description': 'Every take and return over a chosen window - '
'day, month, six months, year or all time - with '
'who, which drive and when',
'category': 'usage',
'endpoint': '/api/usb/reports/audit',
},
]
def get_settings_cards(self) -> List[Dict]:
"""Somewhere to actually turn the kiosk on.
The kiosk page tells an administrator to enable it in Settings under
USB. Without this card that place does not exist, and the instruction
is a dead end - the same trap the backups plugin shipped with, where
settings existed but only a shell could reach them.
"""
return [
{
'group': 'USB Devices',
'to': '/settings/usb',
'icon': 'usb',
'title': 'USB Settings',
'description': 'Logged-out kiosk for taking and returning '
'drives, and whether somebody may return a drive '
'checked out to another person',
'position': 45,
},
]
def get_settings_defaults(self) -> List[Dict]:
"""Kiosk settings.
The kiosk is an UNAUTHENTICATED write, so it ships off and a site turns
it on deliberately. Opening that door is a decision about the door.
"""
return [
{
'key': 'usb_kiosk_enabled',
'value': 'false',
'valuetype': 'boolean',
'category': 'usb',
# Public: the kiosk page runs logged out and has to be able to
# tell "turned off" from "broken" before anyone signs in.
'public': True,
'description': 'Allow check-out and check-in from the logged-out '
'USB kiosk screen (/usb-kiosk). Off by default: the '
'kiosk writes without a login, attributing every '
'action to a scanned badge instead. It can only move '
'a device between checked-out and checked-in - it '
'cannot add, edit, retire or list devices.',
},
{
'key': 'usb_kiosk_allow_return_for_others',
'value': 'true',
'valuetype': 'boolean',
'category': 'usb',
'public': True,
'description': 'At the kiosk, allow somebody to return a device '
'checked out to a DIFFERENT person after confirming. '
'The returning badge is what gets recorded, so the '
'log shows who actually handed it back. Turn this '
'off to refuse any mismatch outright - a device left '
'behind by someone on leave then needs a signed-in '
'user to return it.',
},
]
def get_config_schema(self) -> List[Dict]:
"""CMMC USB check-in/out database connection. Host/name/user are settings
the wizard can edit; the password stays in .env (emitted, not stored)."""
return [
{'key': 'cmmc_usb_db_host', 'label': 'USB DB host', 'type': 'text',
'secret': False, 'default': 'localhost',
'help': 'This DB must expose devices / checkinoutlog / users tables '
'(or views). See plugins/usb/README.md.'},
{'key': 'cmmc_usb_db_name', 'label': 'USB DB name', 'type': 'text',
'secret': False, 'default': 'cmmc_usb'},
{'key': 'cmmc_usb_db_user', 'label': 'USB DB user', 'type': 'text',
'secret': False},
{'key': 'cmmc_usb_db_password', 'label': 'USB DB password', 'type': 'password',
'secret': True, 'envvar': 'CMMC_USB_DB_PASSWORD',
'help': 'Stored in .env, not the database. The wizard shows the line to paste.'},
]
def init_app(self, app: Flask, db_instance) -> None:
"""Initialize plugin with Flask app."""
logger.info(f"USB plugin initialized (v{self.meta.version})")
def on_install(self, app: Flask) -> None:
"""Called when plugin is installed."""
logger.info("USB plugin installed")
def on_uninstall(self, app: Flask) -> None:
"""Called when plugin is uninstalled."""
logger.info("USB plugin uninstalled")
def get_navigation_items(self) -> List[Dict]:
"""Return navigation menu items."""
return [
{
'name': 'USB Devices',
'icon': 'usb',
'route': '/usb',
'permission': 'usb.view',
'position': 25,
'section': 'assets',
},
]
def get_permissions(self) -> List:
"""Return the RBAC permissions this plugin owns."""
return [
('usb.view', 'View USB devices', 'usb'),
('usb.create', 'Create USB devices', 'usb'),
('usb.edit', 'Edit USB devices', 'usb'),
('usb.delete', 'Delete USB devices', 'usb'),
]