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repositories: rewrote whole admin section to pyramid. - fixed few small found problems - code cleanups

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utils.py
107 lines | 3.6 KiB | text/x-python | PythonLexer
# -*- coding: utf-8 -*-
# Copyright (C) 2016-2017 RhodeCode GmbH
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License, version 3
# (only), as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# This program is dual-licensed. If you wish to learn more about the
# RhodeCode Enterprise Edition, including its added features, Support services,
# and proprietary license terms, please see https://rhodecode.com/licenses/
import os
import stat
import logging
import tempfile
import datetime
from . import config_keys
from rhodecode.model.db import true, joinedload, User, UserSshKeys
log = logging.getLogger(__name__)
HEADER = \
"# This file is managed by RhodeCode, please do not edit it manually. # \n" \
"# Current entries: {}, create date: UTC:{}.\n"
# Default SSH options for authorized_keys file, can be override via .ini
SSH_OPTS = 'no-pty,no-port-forwarding,no-X11-forwarding,no-agent-forwarding'
def get_all_active_keys():
result = UserSshKeys.query() \
.options(joinedload(UserSshKeys.user)) \
.filter(UserSshKeys.user != User.get_default_user()) \
.filter(User.active == true()) \
.all()
return result
def _generate_ssh_authorized_keys_file(
authorized_keys_file_path, ssh_wrapper_cmd, allow_shell, ssh_opts):
all_active_keys = get_all_active_keys()
if allow_shell:
ssh_wrapper_cmd = ssh_wrapper_cmd + ' --shell'
if not os.path.isfile(authorized_keys_file_path):
with open(authorized_keys_file_path, 'w'):
pass
if not os.access(authorized_keys_file_path, os.R_OK):
raise OSError('Access to file {} is without read access'.format(
authorized_keys_file_path))
line_tmpl = '{ssh_opts},command="{wrapper_command} --user {user}" {key}\n'
fd, tmp_authorized_keys = tempfile.mkstemp(
'.authorized_keys_write',
dir=os.path.dirname(authorized_keys_file_path))
now = datetime.datetime.utcnow().isoformat()
keys_file = os.fdopen(fd, 'wb')
keys_file.write(HEADER.format(len(all_active_keys), now))
for user_key in all_active_keys:
username = user_key.user.username
keys_file.write(
line_tmpl.format(
ssh_opts=ssh_opts or SSH_OPTS,
wrapper_command=ssh_wrapper_cmd,
user=username, key=user_key.ssh_key_data))
log.debug('addkey: Key added for user: `%s`', username)
keys_file.close()
# Explicitly setting read-only permissions to authorized_keys
os.chmod(tmp_authorized_keys, stat.S_IRUSR | stat.S_IWUSR)
# Rename is atomic operation
os.rename(tmp_authorized_keys, authorized_keys_file_path)
def generate_ssh_authorized_keys_file(registry):
log.info('Generating new authorized key file')
authorized_keys_file_path = registry.settings.get(
config_keys.authorized_keys_file_path)
ssh_wrapper_cmd = registry.settings.get(
config_keys.wrapper_cmd)
allow_shell = registry.settings.get(
config_keys.wrapper_allow_shell)
ssh_opts = registry.settings.get(
config_keys.authorized_keys_line_ssh_opts)
_generate_ssh_authorized_keys_file(
authorized_keys_file_path, ssh_wrapper_cmd, allow_shell, ssh_opts)
return 0