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Mini Shell
# -*- coding: utf-8 -*-
# Copyright © Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2018 All Rights Reserved
#
# Licensed under CLOUD LINUX LICENSE AGREEMENT
# http://cloudlinux.com/docs/LICENSE.TXT
#
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
import subprocess
from collections import namedtuple
import os
import json
import logging
from clcommon.public_hooks import CLOUDLINUX_HOOKS, CONTACT_SUPPORT_MESSAGE_FOOTER
BIN_DIR = os.path.join(CLOUDLINUX_HOOKS, 'cpanel/')
MANAGE_HOOK = '/usr/local/cpanel/bin/manage_hooks'
Hook = namedtuple('Hook', ['path', 'category', 'event', 'stage'])
HOOKS = (
Hook(BIN_DIR + 'postwwwacct', 'Whostmgr', 'Accounts::Create', 'post'),
Hook(BIN_DIR + 'postkillacct', 'Whostmgr', 'Accounts::Remove', 'post'),
Hook(BIN_DIR + 'prekillacct', 'Whostmgr', 'Accounts::Remove', 'pre'),
Hook(BIN_DIR + 'postmodifyacct', 'Whostmgr', 'Accounts::Modify', 'post'),
Hook(BIN_DIR + 'premodifyacct', 'Whostmgr', 'Accounts::Modify', 'pre'),
Hook(BIN_DIR + 'postrestoreacct', 'PkgAcct', 'Restore', 'post'),
)
logger = logging.getLogger(__name__)
def _install_hook(hook_path, category, event, stage):
is_installed = _is_hook_installed(event, category, hook_path, stage)
if is_installed:
logger.info('Hook for %s:%s:%s action '
'is already installed; skip installing',
category, event, stage)
return True
logger.debug('Registering %s:%s:%s action hook', category, event, stage)
try:
output = subprocess.check_output([
MANAGE_HOOK, 'add', 'script', hook_path,
'--category', str(category),
'--event', str(event),
'--stage', str(stage), '--manual'
], stderr=subprocess.STDOUT, text=True)
except (OSError, subprocess.CalledProcessError) as e:
if isinstance(e, subprocess.CalledProcessError):
message = e.output.rstrip('\n')
else:
message = str(e)
logger.error('Can\'t install hook `%s` to category: `%s` event: `%s`; message: `%s`',
os.path.basename(hook_path), category, str(event), message)
return False
else:
logger.info('Register hook ended successfully; tool output: `%s`', output.rstrip())
return True
def _is_hook_installed(event, category, hook_script_path, stage):
"""
Check if hook with given parameters
is installed in control panel
:return: boolean
"""
all_hooks = _get_hooks_config()
if all_hooks is None:
return None
try:
for i in all_hooks[category][event]:
if i['hook'] == hook_script_path and i['stage'] == stage:
return True
except KeyError:
return False
return False
def _get_hooks_config():
"""
Reads main hooks config file
"""
try:
stream = subprocess.check_output(
['/usr/local/cpanel/bin/manage_hooks', 'list', '--output=JSON'],
text=True
)
except (OSError, subprocess.CalledProcessError) as e:
logger.error('Unable to load list of '
'already installed hooks. Reason is `%s`', str(e))
return None
try:
all_hooks = json.loads(stream)
except (ValueError, TypeError):
logger.exception('Received list of installed hooks '
'is malformed and not valid JSON. %s',
CONTACT_SUPPORT_MESSAGE_FOOTER)
return None
return all_hooks
def _delete_hook_script(hook_script_path, category, event, stage):
"""
Delete hook script and unregister in cPanel
"""
# if something bad happened and _is_hook_installed is None, we must try
# to uninstall hooks in order not to leave garbage
if _is_hook_installed(event, category, hook_script_path, stage) is False:
logger.info('Hook for %s:%s:%s action '
'is not installed; skip removing',
category, event, stage)
return True
logger.debug('Unregistering %s:%s:%s action hook', category, event, stage)
try:
output = subprocess.check_output([
MANAGE_HOOK, 'delete', 'script', hook_script_path,
'--category', str(category),
'--event', str(event),
'--stage', str(stage), '--manual'
], stderr=subprocess.STDOUT, text=True)
except (OSError, subprocess.CalledProcessError) as e:
if isinstance(e, subprocess.CalledProcessError):
message = e.output.rstrip('\n')
else:
message = str(e)
logger.error('Can\'t delete hook with category:`%s` event:`%s`; message: `%s`. %s',
category, str(event), message, CONTACT_SUPPORT_MESSAGE_FOOTER)
return False
else:
logger.info('Unregister hook ended successfully; tool output: `%s`', output.rstrip())
return True
def install_hooks(hooks=HOOKS):
success = True
for hook in hooks:
success = _install_hook(
hook.path, hook.category, hook.event, hook.stage) and success
return success
def remove_hooks(hooks=HOOKS):
success = True
for hook in hooks:
success = _delete_hook_script(
hook.path, hook.category, hook.event, hook.stage) and success
return success
Zerion Mini Shell 1.0