__ __ __ __ _____ _ _ _____ _ _ _
| \/ | \ \ / / | __ \ (_) | | / ____| | | | |
| \ / |_ __\ V / | |__) | __ ___ ____ _| |_ ___ | (___ | |__ ___| | |
| |\/| | '__|> < | ___/ '__| \ \ / / _` | __/ _ \ \___ \| '_ \ / _ \ | |
| | | | |_ / . \ | | | | | |\ V / (_| | || __/ ____) | | | | __/ | |
|_| |_|_(_)_/ \_\ |_| |_| |_| \_/ \__,_|\__\___| |_____/|_| |_|\___V 2.1
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For_More_Tools:
import asyncio
from logging import getLogger
from defence360agent import utils
from defence360agent.contracts.messages import MessageType
from defence360agent.contracts.plugins import MessageSink, Scope, expect
from defence360agent.files import FILES_DIR
from defence360agent.subsys.panels.base import (
ModsecVendorsError,
PanelException,
)
from defence360agent.subsys.persistent_state import register_lock_file
from defence360agent.utils import recurring_check
from defence360agent.utils.check_lock import check_lock
from defence360agent.utils.common import DAY
from im360.contracts.config import Modsec
from im360.subsys.panels.base import (
ModsecImunifyVendorNotInstalled,
ModsecNotInstalledVendors,
is_modsec_locked,
use_modsec_lock,
)
from im360.subsys.panels.hosting_panel import HostingPanel
from im360.subsys.panels.update_hooks import (
update_account_compromise_prevention_rule_state,
update_vendors,
)
logger = getLogger(__name__)
LOCK_FILE = register_lock_file("modsec-rules-check", Scope.IM360)
class ModsecRulesetChecker(MessageSink):
VERSION_FILE = FILES_DIR / "modsec/v2/VERSION"
def __init__(self):
self._loop = None
self._task = None
self._install_rules_task = None
self.panel = None
async def create_sink(self, loop):
self.panel = HostingPanel()
self._loop = loop
self._task = self._loop.create_task(self.reinstall_vendor_if_needed())
self._install_rules_task = self._loop.create_task(self.update_rules())
async def shutdown(self):
self._task.cancel()
self._install_rules_task.cancel()
await self._task
await self._install_rules_task
@use_modsec_lock
async def reinstall_vendor_if_needed(self):
panel = HostingPanel(check_for_changes=True)
token = panel.installing_settings_var.set(True)
try:
try:
# We can't do anything if Panel doesn't support modsec
# or generate specific panel error
installed_im360_vendor = await panel.get_i360_vendor_name()
except (
ModsecNotInstalledVendors,
ModsecImunifyVendorNotInstalled,
):
# this means that we can't find any modsec vendors or
# there is no im360 vendor
installed_im360_vendor = None
if (
installed_im360_vendor is None
or Modsec.RULESET.lower() not in installed_im360_vendor
):
logger.info(
"Installed i360 vendor %s does not match expected type of "
"ruleset: %s\n Trying to reinstall modsec ruleset",
str(installed_im360_vendor),
str(Modsec.RULESET),
)
await panel.apply_modsec_files_update()
except asyncio.CancelledError:
raise
except Exception as e:
logger.error(
"Something went wrong during reinstalling modsec ruleset: %s",
e,
)
finally:
panel.installing_settings_var.reset(token)
@recurring_check(
check_lock,
check_period_first=True,
check_lock_period=DAY / 2,
lock_file=LOCK_FILE,
)
async def update_rules(self):
"""
Reinstall ModSec rules if installed version is not the same as in files
"""
await self._update_rules()
async def _update_rules(self):
if is_modsec_locked():
# Already being updated via imunify files
return
try:
installed_vendor_version = (
await self.panel.get_i360_vendor_version()
)
except (ModsecVendorsError, PanelException):
return
available_vendor_version = self.get_vendor_version_from_files()
if installed_vendor_version and available_vendor_version:
if installed_vendor_version != available_vendor_version:
logger.info(
"Reinstalling ModSec rules. Installed: %s. Available: %s",
installed_vendor_version,
available_vendor_version,
)
await update_vendors(None, is_updated=True)
@classmethod
def get_vendor_version_from_files(cls) -> str:
try:
with open(cls.VERSION_FILE) as f:
return f.read().strip()
except FileNotFoundError:
return ""
@expect(MessageType.ConfigUpdate)
@utils.log_error_and_ignore()
async def on_config_update(self, _):
await self.reinstall_vendor_if_needed()
@expect(MessageType.ConfigUpdate)
async def check_cms_account_compromise_prevention(self, _):
"""
Update *WP_REDIRECT_CONF* to apply changes
to *cms_account_compromise_prevention* config setting.
"""
await update_account_compromise_prevention_rule_state()