mirror of
https://github.com/freedombox/FreedomBox.git
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ca8ea9427c
Tests: mldonkey - Installs - /etc/default/mldonkey-server has LAUNCH_AT_STARTUP=true - systemctl status mldonkey-server shows daemon running ejabberd - Installs - /etc/ejabberd/ejabberd.yml has domainname properly configured privoxy - Installs - /etc/privoxy/config has listen-address set to '[::]:8118' roundcube - Installs and works - /etc/roundcube/debian-db.php contains dbtype sqlite3 ttrss - Installs and works - /etc/ttrss/database.php has dbtype 'pgsql'. Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org> Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
316 lines
11 KiB
Python
Executable File
316 lines
11 KiB
Python
Executable File
#!/usr/bin/python3
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#
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# This file is part of FreedomBox.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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"""
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Configuration helper for the ejabberd service
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"""
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import argparse
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import os
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import pathlib
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import shutil
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import socket
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import subprocess
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from distutils.version import LooseVersion as LV
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import ruamel.yaml
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from plinth import action_utils
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from plinth.modules import config
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from plinth.modules.letsencrypt import LIVE_DIRECTORY as LE_LIVE_DIRECTORY
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EJABBERD_CONFIG = '/etc/ejabberd/ejabberd.yml'
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EJABBERD_BACKUP = '/var/log/ejabberd/ejabberd.dump'
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EJABBERD_BACKUP_NEW = '/var/log/ejabberd/ejabberd_new.dump'
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EJABBERD_ORIG_CERT = '/etc/ejabberd/ejabberd.pem'
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IQDISC_DEPRECATED_VERSION = LV('18.03')
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MOD_IRC_DEPRECATED_VERSION = LV('18.06')
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def parse_arguments():
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"""Return parsed command line arguments as dictionary"""
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parser = argparse.ArgumentParser()
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subparsers = parser.add_subparsers(dest='subcommand', help='Sub command')
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# Preseed debconf values before packages are installed.
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pre_install = subparsers.add_parser(
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'pre-install',
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help='Preseed debconf values before packages are installed.')
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pre_install.add_argument(
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'--domainname',
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help='The domain name that will be used by the XMPP service.')
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# Setup ejabberd configuration
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setup = subparsers.add_parser('setup', help='Setup ejabberd configuration')
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setup.add_argument(
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'--domainname',
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help='The domain name that will be used by the XMPP service.')
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# Prepare ejabberd for hostname change
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pre_hostname_change = subparsers.add_parser(
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'pre-change-hostname', help='Prepare ejabberd for nodename change')
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pre_hostname_change.add_argument('--old-hostname',
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help='Previous hostname')
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pre_hostname_change.add_argument('--new-hostname', help='New hostname')
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# Update ejabberd nodename
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hostname_change = subparsers.add_parser('change-hostname',
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help='Update ejabberd nodename')
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hostname_change.add_argument('--old-hostname', help='Previous hostname')
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hostname_change.add_argument('--new-hostname', help='New hostname')
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# Add a domain name to ejabberd
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add_domain = subparsers.add_parser('add-domain',
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help='Add a domain name to ejabberd')
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add_domain.add_argument('--domainname', help='New domain name')
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# Switch/check Message Archive Management (MAM) in ejabberd config
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help_MAM = 'Switch or check Message Archive Management (MAM).'
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mam = subparsers.add_parser('mam', help=help_MAM)
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mam.add_argument('command', choices=('enable', 'disable', 'status'),
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help=help_MAM)
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help_LE = "Add/drop Let's Encrypt certificate if configured domain matches"
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letsencrypt = subparsers.add_parser('letsencrypt', help=help_LE)
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letsencrypt.add_argument('command', choices=('add', 'drop'), help=help_LE)
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letsencrypt.add_argument('--domain', help='Domain name to drop.')
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subparsers.required = True
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return parser.parse_args()
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def subcommand_pre_install(arguments):
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"""Preseed debconf values before packages are installed."""
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domainname = arguments.domainname
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if not domainname:
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# If new domainname is blank, use hostname instead.
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domainname = socket.gethostname()
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action_utils.debconf_set_selections(
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['ejabberd ejabberd/hostname string ' + domainname])
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def subcommand_setup(arguments):
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"""Enabled LDAP authentication"""
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with open(EJABBERD_CONFIG, 'r') as file_handle:
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conf = ruamel.yaml.round_trip_load(file_handle, preserve_quotes=True)
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for listen_port in conf['listen']:
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if 'tls' in listen_port:
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listen_port['tls'] = False
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conf['auth_method'] = 'ldap'
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conf['ldap_servers'] = [
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ruamel.yaml.scalarstring.DoubleQuotedScalarString('localhost')
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]
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conf['ldap_base'] = ruamel.yaml.scalarstring.DoubleQuotedScalarString(
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'ou=users,dc=thisbox')
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with open(EJABBERD_CONFIG, 'w') as file_handle:
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ruamel.yaml.round_trip_dump(conf, file_handle)
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upgrade_config(arguments.domainname)
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try:
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subprocess.check_output(['ejabberdctl', 'restart'])
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except subprocess.CalledProcessError as err:
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print('Failed to restart ejabberd with new configuration: %s', err)
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def upgrade_config(domain):
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"""Fix the config file by removing deprecated settings"""
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current_version = _get_version()
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if not current_version:
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print('Warning: Unable to get ejabberd version.')
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with open(EJABBERD_CONFIG, 'r') as file_handle:
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conf = ruamel.yaml.round_trip_load(file_handle, preserve_quotes=True)
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# Check if `iqdisc` is present and remove it
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if 'mod_mam' in conf['modules'] and \
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(not current_version or current_version > IQDISC_DEPRECATED_VERSION):
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conf['modules']['mod_mam'].pop('iqdisc', None)
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# check if mod_irc is present in modules and remove it
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if 'mod_irc' in conf['modules'] and \
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(not current_version or current_version > MOD_IRC_DEPRECATED_VERSION):
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conf['modules'].pop('mod_irc')
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# BOSH port was changed from 5280 to 5443.
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for listen_port in conf['listen']:
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if listen_port['port'] == 5280:
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listen_port['port'] = 5443
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cert_dir = pathlib.Path('/etc/ejabberd/letsencrypt') / domain
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cert_file = str(cert_dir / 'ejabberd.pem')
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cert_file = ruamel.yaml.scalarstring.DoubleQuotedScalarString(cert_file)
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conf['s2s_certfile'] = cert_file
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for listen_port in conf['listen']:
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if 'certfile' in listen_port:
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listen_port['certfile'] = cert_file
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# Write changes back to the file
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with open(EJABBERD_CONFIG, 'w') as file_handle:
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ruamel.yaml.round_trip_dump(conf, file_handle)
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def subcommand_pre_change_hostname(arguments):
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"""Prepare ejabberd for hostname change"""
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if not shutil.which('ejabberdctl'):
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print('ejabberdctl not found. Is ejabberd installed?')
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return
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old_hostname = arguments.old_hostname
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new_hostname = arguments.new_hostname
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subprocess.call(['ejabberdctl', 'backup', EJABBERD_BACKUP])
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try:
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subprocess.check_output([
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'ejabberdctl', 'mnesia-change-nodename',
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'ejabberd@' + old_hostname, 'ejabberd@' + new_hostname,
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EJABBERD_BACKUP, EJABBERD_BACKUP_NEW
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])
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os.remove(EJABBERD_BACKUP)
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except subprocess.CalledProcessError as err:
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print('Failed to change hostname in ejabberd backup database: %s', err)
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def subcommand_change_hostname(arguments):
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"""Update ejabberd with new hostname"""
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if not shutil.which('ejabberdctl'):
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print('ejabberdctl not found. Is ejabberd installed?')
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return
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action_utils.service_stop('ejabberd')
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subprocess.call(['pkill', '-u', 'ejabberd'])
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# Make sure there aren't files in the Mnesia spool dir
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os.makedirs('/var/lib/ejabberd/oldfiles', exist_ok=True)
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subprocess.call('mv /var/lib/ejabberd/*.* /var/lib/ejabberd/oldfiles/',
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shell=True)
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action_utils.service_start('ejabberd')
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# restore backup database
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if os.path.exists(EJABBERD_BACKUP_NEW):
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try:
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subprocess.check_output(
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['ejabberdctl', 'restore', EJABBERD_BACKUP_NEW])
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os.remove(EJABBERD_BACKUP_NEW)
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except subprocess.CalledProcessError as err:
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print('Failed to restore ejabberd backup database: %s', err)
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else:
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print('Could not load ejabberd backup database: %s not found' %
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EJABBERD_BACKUP_NEW)
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def subcommand_add_domain(arguments):
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"""Update ejabberd with new domainname"""
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if not shutil.which('ejabberdctl'):
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print('ejabberdctl not found. Is ejabberd installed?')
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return
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domainname = arguments.domainname
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# Add updated domainname to ejabberd hosts list.
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with open(EJABBERD_CONFIG, 'r') as file_handle:
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conf = ruamel.yaml.round_trip_load(file_handle, preserve_quotes=True)
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conf['hosts'].append(
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ruamel.yaml.scalarstring.DoubleQuotedScalarString(domainname))
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conf['hosts'] = list(set(conf['hosts']))
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with open(EJABBERD_CONFIG, 'w') as file_handle:
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ruamel.yaml.round_trip_dump(conf, file_handle)
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def subcommand_mam(argument):
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"""Enable, disable, or get status of Message Archive Management (MAM)."""
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with open(EJABBERD_CONFIG, 'r') as file_handle:
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conf = ruamel.yaml.round_trip_load(file_handle, preserve_quotes=True)
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if 'modules' not in conf:
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print('Found no "modules" entry in ejabberd configuration file.')
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return
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if argument.command == 'status':
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if 'mod_mam' in conf['modules']:
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print('enabled')
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return
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else:
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print('disabled')
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return
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if argument.command == 'enable':
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# Explicitly set the recommended / default settings for mod_mam,
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# see https://docs.ejabberd.im/admin/configuration/#mod-mam.
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settings_mod_mam = {
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'mod_mam': {
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'db_type':
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'mnesia', # default is 'mnesia' (w/o set default_db)
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'default': 'never', # policy, default 'never'
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'request_activates_archiving': False, # default False
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'assume_mam_usage': False, # for non-ack'd msgs, default False
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'cache_size': 1000, # default is 1000 items
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'cache_life_time': 3600 # default is 3600 seconds = 1h
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}
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}
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conf['modules'].update(settings_mod_mam)
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elif argument.command == 'disable':
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# disable modules by erasing from config file
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if 'mod_mam' in conf['modules']:
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conf['modules'].pop('mod_mam')
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else:
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print("Unknown command: %s" % argument.command)
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return
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with open(EJABBERD_CONFIG, 'w') as file_handle:
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ruamel.yaml.round_trip_dump(conf, file_handle)
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if action_utils.service_is_running('ejabberd'):
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subprocess.call(['ejabberdctl', 'reload_config'])
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def _get_version():
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""" Get the current ejabberd version """
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try:
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output = subprocess.check_output(['ejabberdctl',
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'status']).decode('utf-8')
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except subprocess.CalledProcessError:
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return None
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version_info = output.strip().split('\n')[-1].split()
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if version_info:
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version = str(version_info[1])
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return LV(version)
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return None
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def main():
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"""Parse arguments and perform all duties"""
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arguments = parse_arguments()
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subcommand = arguments.subcommand.replace('-', '_')
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subcommand_method = globals()['subcommand_' + subcommand]
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subcommand_method(arguments)
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if __name__ == '__main__':
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main()
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