|
|
# -*- coding: utf-8 -*-
|
|
|
|
|
|
# Copyright (C) 2016-2018 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 re
|
|
|
import logging
|
|
|
import datetime
|
|
|
from pyramid.compat import configparser
|
|
|
|
|
|
from rhodecode.model.db import Session, User, UserSshKeys
|
|
|
from rhodecode.model.scm import ScmModel
|
|
|
|
|
|
from .hg import MercurialServer
|
|
|
from .git import GitServer
|
|
|
from .svn import SubversionServer
|
|
|
log = logging.getLogger(__name__)
|
|
|
|
|
|
|
|
|
class SshWrapper(object):
|
|
|
|
|
|
def __init__(self, command, connection_info, mode,
|
|
|
user, user_id, key_id, shell, ini_path, env):
|
|
|
self.command = command
|
|
|
self.connection_info = connection_info
|
|
|
self.mode = mode
|
|
|
self.user = user
|
|
|
self.user_id = user_id
|
|
|
self.key_id = key_id
|
|
|
self.shell = shell
|
|
|
self.ini_path = ini_path
|
|
|
self.env = env
|
|
|
|
|
|
self.config = self.parse_config(ini_path)
|
|
|
self.server_impl = None
|
|
|
|
|
|
def parse_config(self, config_path):
|
|
|
parser = configparser.ConfigParser()
|
|
|
parser.read(config_path)
|
|
|
return parser
|
|
|
|
|
|
def update_key_access_time(self, key_id):
|
|
|
key = UserSshKeys().query().filter(
|
|
|
UserSshKeys.ssh_key_id == key_id).scalar()
|
|
|
if key:
|
|
|
key.accessed_on = datetime.datetime.utcnow()
|
|
|
Session().add(key)
|
|
|
Session().commit()
|
|
|
log.debug('Update key id:`%s` fingerprint:`%s` access time',
|
|
|
key_id, key.ssh_key_fingerprint)
|
|
|
|
|
|
def get_connection_info(self):
|
|
|
"""
|
|
|
connection_info
|
|
|
|
|
|
Identifies the client and server ends of the connection.
|
|
|
The variable contains four space-separated values: client IP address,
|
|
|
client port number, server IP address, and server port number.
|
|
|
"""
|
|
|
conn = dict(
|
|
|
client_ip=None,
|
|
|
client_port=None,
|
|
|
server_ip=None,
|
|
|
server_port=None,
|
|
|
)
|
|
|
|
|
|
info = self.connection_info.split(' ')
|
|
|
if len(info) == 4:
|
|
|
conn['client_ip'] = info[0]
|
|
|
conn['client_port'] = info[1]
|
|
|
conn['server_ip'] = info[2]
|
|
|
conn['server_port'] = info[3]
|
|
|
|
|
|
return conn
|
|
|
|
|
|
def get_repo_details(self, mode):
|
|
|
vcs_type = mode if mode in ['svn', 'hg', 'git'] else None
|
|
|
mode = mode
|
|
|
repo_name = None
|
|
|
|
|
|
hg_pattern = r'^hg\s+\-R\s+(\S+)\s+serve\s+\-\-stdio$'
|
|
|
hg_match = re.match(hg_pattern, self.command)
|
|
|
if hg_match is not None:
|
|
|
vcs_type = 'hg'
|
|
|
repo_name = hg_match.group(1).strip('/')
|
|
|
return vcs_type, repo_name, mode
|
|
|
|
|
|
git_pattern = (
|
|
|
r'^git-(receive-pack|upload-pack)\s\'[/]?(\S+?)(|\.git)\'$')
|
|
|
git_match = re.match(git_pattern, self.command)
|
|
|
if git_match is not None:
|
|
|
vcs_type = 'git'
|
|
|
repo_name = git_match.group(2).strip('/')
|
|
|
mode = git_match.group(1)
|
|
|
return vcs_type, repo_name, mode
|
|
|
|
|
|
svn_pattern = r'^svnserve -t'
|
|
|
svn_match = re.match(svn_pattern, self.command)
|
|
|
|
|
|
if svn_match is not None:
|
|
|
vcs_type = 'svn'
|
|
|
# Repo name should be extracted from the input stream
|
|
|
return vcs_type, repo_name, mode
|
|
|
|
|
|
return vcs_type, repo_name, mode
|
|
|
|
|
|
def serve(self, vcs, repo, mode, user, permissions):
|
|
|
store = ScmModel().repos_path
|
|
|
|
|
|
log.debug(
|
|
|
'VCS detected:`%s` mode: `%s` repo_name: %s', vcs, mode, repo)
|
|
|
|
|
|
if vcs == 'hg':
|
|
|
server = MercurialServer(
|
|
|
store=store, ini_path=self.ini_path,
|
|
|
repo_name=repo, user=user,
|
|
|
user_permissions=permissions, config=self.config, env=self.env)
|
|
|
self.server_impl = server
|
|
|
return server.run()
|
|
|
|
|
|
elif vcs == 'git':
|
|
|
server = GitServer(
|
|
|
store=store, ini_path=self.ini_path,
|
|
|
repo_name=repo, repo_mode=mode, user=user,
|
|
|
user_permissions=permissions, config=self.config, env=self.env)
|
|
|
self.server_impl = server
|
|
|
return server.run()
|
|
|
|
|
|
elif vcs == 'svn':
|
|
|
server = SubversionServer(
|
|
|
store=store, ini_path=self.ini_path,
|
|
|
repo_name=None, user=user,
|
|
|
user_permissions=permissions, config=self.config, env=self.env)
|
|
|
self.server_impl = server
|
|
|
return server.run()
|
|
|
|
|
|
else:
|
|
|
raise Exception('Unrecognised VCS: {}'.format(vcs))
|
|
|
|
|
|
def wrap(self):
|
|
|
mode = self.mode
|
|
|
user = self.user
|
|
|
user_id = self.user_id
|
|
|
key_id = self.key_id
|
|
|
shell = self.shell
|
|
|
|
|
|
scm_detected, scm_repo, scm_mode = self.get_repo_details(mode)
|
|
|
|
|
|
log.debug(
|
|
|
'Mode: `%s` User: `%s:%s` Shell: `%s` SSH Command: `\"%s\"` '
|
|
|
'SCM_DETECTED: `%s` SCM Mode: `%s` SCM Repo: `%s`',
|
|
|
mode, user, user_id, shell, self.command,
|
|
|
scm_detected, scm_mode, scm_repo)
|
|
|
|
|
|
# update last access time for this key
|
|
|
self.update_key_access_time(key_id)
|
|
|
|
|
|
log.debug('SSH Connection info %s', self.get_connection_info())
|
|
|
|
|
|
if shell and self.command is None:
|
|
|
log.info(
|
|
|
'Dropping to shell, no command given and shell is allowed')
|
|
|
os.execl('/bin/bash', '-l')
|
|
|
exit_code = 1
|
|
|
|
|
|
elif scm_detected:
|
|
|
user = User.get(user_id)
|
|
|
if not user:
|
|
|
log.warning('User with id %s not found', user_id)
|
|
|
exit_code = -1
|
|
|
return exit_code
|
|
|
|
|
|
auth_user = user.AuthUser()
|
|
|
permissions = auth_user.permissions['repositories']
|
|
|
|
|
|
try:
|
|
|
exit_code, is_updated = self.serve(
|
|
|
scm_detected, scm_repo, scm_mode, user, permissions)
|
|
|
except Exception:
|
|
|
log.exception('Error occurred during execution of SshWrapper')
|
|
|
exit_code = -1
|
|
|
|
|
|
elif self.command is None and shell is False:
|
|
|
log.error('No Command given.')
|
|
|
exit_code = -1
|
|
|
|
|
|
else:
|
|
|
log.error(
|
|
|
'Unhandled Command: "%s" Aborting.', self.command)
|
|
|
exit_code = -1
|
|
|
|
|
|
return exit_code
|
|
|
|
