|
|
# Copyright (C) 2016-2023 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 sys
|
|
|
import logging
|
|
|
|
|
|
from rhodecode.lib.hook_daemon.base import prepare_callback_daemon
|
|
|
from rhodecode.lib.ext_json import sjson as json
|
|
|
from rhodecode.lib.vcs.conf import settings as vcs_settings
|
|
|
from rhodecode.lib.api_utils import call_service_api
|
|
|
|
|
|
log = logging.getLogger(__name__)
|
|
|
|
|
|
|
|
|
class SshVcsServer(object):
|
|
|
repo_user_agent = None # set in child classes
|
|
|
_path = None # set executable path for hg/git/svn binary
|
|
|
backend = None # set in child classes
|
|
|
tunnel = None # subprocess handling tunnel
|
|
|
settings = None # parsed settings module
|
|
|
write_perms = ['repository.admin', 'repository.write']
|
|
|
read_perms = ['repository.read', 'repository.admin', 'repository.write']
|
|
|
|
|
|
def __init__(self, user, user_permissions, settings, env):
|
|
|
self.user = user
|
|
|
self.user_permissions = user_permissions
|
|
|
self.settings = settings
|
|
|
self.env = env
|
|
|
self.stdin = sys.stdin
|
|
|
|
|
|
self.repo_name = None
|
|
|
self.repo_mode = None
|
|
|
self.store = ''
|
|
|
self.ini_path = ''
|
|
|
self.hooks_protocol = None
|
|
|
|
|
|
def _invalidate_cache(self, repo_name):
|
|
|
"""
|
|
|
Set's cache for this repository for invalidation on next access
|
|
|
|
|
|
:param repo_name: full repo name, also a cache key
|
|
|
"""
|
|
|
# Todo: Leave only "celery" case after transition.
|
|
|
match self.hooks_protocol:
|
|
|
case 'http':
|
|
|
from rhodecode.model.scm import ScmModel
|
|
|
ScmModel().mark_for_invalidation(repo_name)
|
|
|
case 'celery':
|
|
|
call_service_api(self.settings, {
|
|
|
"method": "service_mark_for_invalidation",
|
|
|
"args": {"repo_name": repo_name}
|
|
|
})
|
|
|
|
|
|
def has_write_perm(self):
|
|
|
permission = self.user_permissions.get(self.repo_name)
|
|
|
if permission in ['repository.write', 'repository.admin']:
|
|
|
return True
|
|
|
|
|
|
return False
|
|
|
|
|
|
def _check_permissions(self, action):
|
|
|
permission = self.user_permissions.get(self.repo_name)
|
|
|
user_info = f'{self.user["user_id"]}:{self.user["username"]}'
|
|
|
log.debug('permission for %s on %s are: %s',
|
|
|
user_info, self.repo_name, permission)
|
|
|
|
|
|
if not permission:
|
|
|
log.error('user `%s` permissions to repo:%s are empty. Forbidding access.',
|
|
|
user_info, self.repo_name)
|
|
|
return -2
|
|
|
|
|
|
if action == 'pull':
|
|
|
if permission in self.read_perms:
|
|
|
log.info(
|
|
|
'READ Permissions for User "%s" detected to repo "%s"!',
|
|
|
user_info, self.repo_name)
|
|
|
return 0
|
|
|
else:
|
|
|
if permission in self.write_perms:
|
|
|
log.info(
|
|
|
'WRITE, or Higher Permissions for User "%s" detected to repo "%s"!',
|
|
|
user_info, self.repo_name)
|
|
|
return 0
|
|
|
|
|
|
log.error('Cannot properly fetch or verify user `%s` permissions. '
|
|
|
'Permissions: %s, vcs action: %s',
|
|
|
user_info, permission, action)
|
|
|
return -2
|
|
|
|
|
|
def update_environment(self, action, extras=None):
|
|
|
|
|
|
scm_data = {
|
|
|
'ip': os.environ['SSH_CLIENT'].split()[0],
|
|
|
'username': self.user.username,
|
|
|
'user_id': self.user.user_id,
|
|
|
'action': action,
|
|
|
'repository': self.repo_name,
|
|
|
'scm': self.backend,
|
|
|
'config': self.ini_path,
|
|
|
'repo_store': self.store,
|
|
|
'make_lock': None,
|
|
|
'locked_by': [None, None],
|
|
|
'server_url': None,
|
|
|
'user_agent': f'{self.repo_user_agent}/ssh-user-agent',
|
|
|
'hooks': ['push', 'pull'],
|
|
|
'hooks_module': 'rhodecode.lib.hook_daemon.hook_module',
|
|
|
'is_shadow_repo': False,
|
|
|
'detect_force_push': False,
|
|
|
'check_branch_perms': False,
|
|
|
|
|
|
'SSH': True,
|
|
|
'SSH_PERMISSIONS': self.user_permissions.get(self.repo_name),
|
|
|
}
|
|
|
if extras:
|
|
|
scm_data.update(extras)
|
|
|
os.putenv("RC_SCM_DATA", json.dumps(scm_data))
|
|
|
return scm_data
|
|
|
|
|
|
def get_root_store(self):
|
|
|
root_store = self.store
|
|
|
if not root_store.endswith('/'):
|
|
|
# always append trailing slash
|
|
|
root_store = root_store + '/'
|
|
|
return root_store
|
|
|
|
|
|
def _handle_tunnel(self, extras):
|
|
|
# pre-auth
|
|
|
action = 'pull'
|
|
|
exit_code = self._check_permissions(action)
|
|
|
if exit_code:
|
|
|
return exit_code, False
|
|
|
|
|
|
req = self.env.get('request')
|
|
|
if req:
|
|
|
server_url = req.host_url + req.script_name
|
|
|
extras['server_url'] = server_url
|
|
|
|
|
|
log.debug('Using %s binaries from path %s', self.backend, self._path)
|
|
|
exit_code = self.tunnel.run(extras)
|
|
|
|
|
|
return exit_code, action == "push"
|
|
|
|
|
|
def run(self, tunnel_extras=None):
|
|
|
self.hooks_protocol = self.settings['vcs.hooks.protocol']
|
|
|
tunnel_extras = tunnel_extras or {}
|
|
|
extras = {}
|
|
|
extras.update(tunnel_extras)
|
|
|
|
|
|
callback_daemon, extras = prepare_callback_daemon(
|
|
|
extras, protocol=self.hooks_protocol,
|
|
|
host=vcs_settings.HOOKS_HOST)
|
|
|
|
|
|
with callback_daemon:
|
|
|
try:
|
|
|
return self._handle_tunnel(extras)
|
|
|
finally:
|
|
|
log.debug('Running cleanup with cache invalidation')
|
|
|
if self.repo_name:
|
|
|
self._invalidate_cache(self.repo_name)
|
|
|
|
