jumpserver/run_websocket.py

430 lines
15 KiB
Python
Executable File

# coding: utf-8
import time
import datetime
import json
import os
import sys
import os.path
import threading
import datetime
import re
import tornado.ioloop
import tornado.options
import tornado.web
import tornado.websocket
import tornado.httpserver
import tornado.gen
import tornado.httpclient
from tornado.websocket import WebSocketClosedError
from tornado.options import define, options
from pyinotify import WatchManager, Notifier, ProcessEvent, IN_DELETE, IN_CREATE, IN_MODIFY, AsyncNotifier
import select
from connect import Tty, User, Asset, PermRole, logger, get_object, PermRole, gen_resource
from connect import TtyLog, Log, Session, user_have_perm, get_group_user_perm, MyRunner, ExecLog
try:
import simplejson as json
except ImportError:
import json
define("port", default=3000, help="run on the given port", type=int)
define("host", default='0.0.0.0', help="run port on given host", type=str)
def require_auth(role='user'):
def _deco(func):
def _deco2(request, *args, **kwargs):
if request.get_cookie('sessionid'):
session_key = request.get_cookie('sessionid')
else:
session_key = request.get_argument('sessionid', '')
logger.debug(u'请求session_key: %s' % session_key)
if session_key:
session = get_object(Session, session_key=session_key)
if session and datetime.datetime.now() < session.expire_date:
user_id = session.get_decoded().get('_auth_user_id')
user = get_object(User, id=user_id)
if user:
logger.debug(u'用户 [ %s ] 请求websocket' % user.username)
request.user = user
if role == 'admin':
if user.role in ['SU', 'GA']:
return func(request, *args, **kwargs)
logger.debug(u'用户 [ %s ] 不是admin.' % user.username)
else:
return func(request, *args, **kwargs)
else:
logger.debug(u'session过期 %s' % session_key)
try:
request.close()
except AttributeError:
pass
logger.warning('认证失败,非法请求')
return _deco2
return _deco
class MyThread(threading.Thread):
def __init__(self, *args, **kwargs):
super(MyThread, self).__init__(*args, **kwargs)
def run(self):
try:
super(MyThread, self).run()
except WebSocketClosedError:
pass
class EventHandler(ProcessEvent):
def __init__(self, client=None):
self.client = client
def process_IN_MODIFY(self, event):
self.client.write_message(f.read())
def file_monitor(path='.', client=None):
wm = WatchManager()
mask = IN_DELETE | IN_CREATE | IN_MODIFY
notifier = AsyncNotifier(wm, EventHandler(client))
wm.add_watch(path, mask, auto_add=True, rec=True)
if not os.path.isfile(path):
logger.debug(u"文件 %s 不存在." % path)
sys.exit(3)
else:
logger.debug(u"开始监控文件 %s." % path)
global f
f = open(path, 'r')
st_size = os.stat(path)[6]
f.seek(st_size)
while True:
try:
notifier.process_events()
if notifier.check_events():
notifier.read_events()
except KeyboardInterrupt:
print "keyboard Interrupt."
notifier.stop()
break
class MonitorHandler(tornado.websocket.WebSocketHandler):
clients = []
threads = []
def __init__(self, *args, **kwargs):
self.file_path = None
super(self.__class__, self).__init__(*args, **kwargs)
def check_origin(self, origin):
return True
@require_auth('admin')
def open(self):
# 获取监控的path
self.file_path = self.get_argument('file_path', '')
MonitorHandler.clients.append(self)
thread = MyThread(target=file_monitor, args=('%s.log' % self.file_path, self))
MonitorHandler.threads.append(thread)
self.stream.set_nodelay(True)
try:
for t in MonitorHandler.threads:
if t.is_alive():
continue
t.setDaemon(True)
t.start()
except WebSocketClosedError:
client_index = MonitorHandler.clients.index(self)
MonitorHandler.threads[client_index].stop()
MonitorHandler.clients.remove(self)
MonitorHandler.threads.remove(MonitorHandler.threads[client_index])
logger.debug(u"监控在线数量: %s, 线程数量: %s" % (len(MonitorHandler.clients),
len(MonitorHandler.threads)))
def on_message(self, message):
# 监控日志,发生变动发向客户端
pass
def on_close(self):
# 客户端主动关闭
# self.close()
logger.debug("监控请求关闭")
try:
client_index = MonitorHandler.clients.index(self)
MonitorHandler.clients.remove(self)
MonitorHandler.threads.remove(MonitorHandler.threads[client_index])
except ValueError:
pass
class WebTty(Tty):
def __init__(self, *args, **kwargs):
super(WebTty, self).__init__(*args, **kwargs)
self.ws = None
self.data = ''
self.input_mode = False
class WebTerminalKillHandler(tornado.web.RequestHandler):
@require_auth('admin')
def get(self):
ws_id = self.get_argument('id')
Log.objects.filter(id=ws_id).update(is_finished=True)
for ws in WebTerminalHandler.clients:
if ws.id == int(ws_id):
logger.debug(u"终结logID %s" % ws_id)
ws.log.save()
ws.close()
logger.debug(u'WebTerminal在线数量: %s' % len(WebTerminalHandler.clients))
class ExecHandler(tornado.websocket.WebSocketHandler):
clients = []
tasks = []
def __init__(self, *args, **kwargs):
self.id = 0
self.user = None
self.role = None
self.runner = None
self.assets = []
self.perm = {}
self.remote_ip = ''
super(ExecHandler, self).__init__(*args, **kwargs)
def check_origin(self, origin):
return True
@require_auth('user')
def open(self):
logger.debug('web批量命令执行请求')
role_name = self.get_argument('role', 'sb')
self.remote_ip = self.request.remote_ip
logger.debug('Web执行命令: 请求系统用户 %s' % role_name)
self.role = get_object(PermRole, name=role_name)
self.perm = get_group_user_perm(self.user)
roles = self.perm.get('role').keys()
if self.role not in roles:
self.write_message('No perm that role %s' % role_name)
self.close()
self.assets = self.perm.get('role').get(self.role).get('asset')
res = gen_resource({'user': self.user, 'asset': self.assets, 'role': self.role})
self.runner = MyRunner(res)
message = '有权限的主机: ' + ', '.join([asset.hostname for asset in self.assets])
self.__class__.clients.append(self)
self.write_message(message)
def on_message(self, message):
data = json.loads(message)
pattern = data.get('pattern', '')
command = data.get('command', '')
asset_name_str = ''
if pattern and command:
for inv in self.runner.inventory.get_hosts(pattern=pattern):
asset_name_str += '%s ' % inv.name
self.write_message('匹配主机: ' + asset_name_str)
self.write_message('<span style="color: yellow">Ansible> %s</span>\n\n' % command)
self.__class__.tasks.append(MyThread(target=self.run_cmd, args=(command, pattern)))
ExecLog(host=asset_name_str, cmd=command, user=self.user.username, remote_ip=self.remote_ip).save()
for t in self.__class__.tasks:
if t.is_alive():
continue
try:
t.setDaemon(True)
t.start()
except RuntimeError:
pass
def run_cmd(self, command, pattern):
self.runner.run('shell', command, pattern=pattern)
newline_pattern = re.compile(r'\n')
for k, v in self.runner.results.items():
for host, output in v.items():
output = newline_pattern.sub('<br />', output)
if k == 'ok':
header = "<span style='color: green'>[ %s => %s]</span>\n" % (host, 'Ok')
else:
header = "<span style='color: red'>[ %s => %s]</span>\n" % (host, 'failed')
self.write_message(header)
self.write_message(output)
self.write_message('\n~o~ Task finished ~o~\n')
def on_close(self):
logger.debug('关闭web批量命令请求')
class WebTerminalHandler(tornado.websocket.WebSocketHandler):
clients = []
tasks = []
def __init__(self, *args, **kwargs):
self.term = None
self.log_file_f = None
self.log_time_f = None
self.log = None
self.id = 0
self.user = None
self.ssh = None
self.channel = None
super(WebTerminalHandler, self).__init__(*args, **kwargs)
def check_origin(self, origin):
return True
@require_auth('user')
def open(self):
logger.debug('WebTerminal请求')
role_name = self.get_argument('role', 'sb')
asset_id = self.get_argument('id', 9999)
asset = get_object(Asset, id=asset_id)
if asset:
roles = user_have_perm(self.user, asset)
logger.debug('请求系统用户: %s' % role_name)
login_role = ''
for role in roles:
if role.name == role_name:
login_role = role
break
if not login_role:
logger.warning(u'%s 这台主机上没有为用户%s 授权系统用户%s ' % (asset.hostname,
self.user.username,
role_name))
self.close()
return
else:
logger.warning(u'没有授权该主机 %s' % asset_id)
self.close()
return
logger.debug('web terminal 请求主机: %s 用户: %s 系统用户: %s' % (asset.hostname,
self.user.username,
login_role.name))
self.term = WebTty(self.user, asset, login_role, login_type='web')
self.term.remote_ip = self.request.remote_ip
self.ssh = self.term.get_connection()
self.channel = self.ssh.invoke_shell(term='xterm')
WebTerminalHandler.tasks.append(MyThread(target=self.forward_outbound))
WebTerminalHandler.clients.append(self)
for t in WebTerminalHandler.tasks:
if t.is_alive():
continue
try:
t.setDaemon(True)
t.start()
except RuntimeError:
pass
def on_message(self, message):
data = json.loads(message)
if not data:
return
if data.get('data'):
self.term.input_mode = True
if str(data['data']) in ['\r', '\n', '\r\n']:
if self.term.vim_flag:
match = self.term.ps1_pattern.search(self.term.vim_data)
if match:
self.term.vim_flag = False
vim_data = self.term.deal_command(self.term.vim_data)[0:200]
if len(data) > 0:
TtyLog(log=self.log, datetime=datetime.datetime.now(), cmd=vim_data).save()
TtyLog(log=self.log, datetime=datetime.datetime.now(),
cmd=self.term.deal_command(self.term.data)[0:200]).save()
self.term.vim_data = ''
self.term.data = ''
self.term.input_mode = False
self.channel.send(data['data'])
def on_close(self):
logger.debug('关闭websocket请求')
if self in WebTerminalHandler.clients:
WebTerminalHandler.clients.remove(self)
try:
self.log_file_f.write('End time is %s' % datetime.datetime.now())
self.log.is_finished = True
self.log.end_time = datetime.datetime.now()
self.log.save()
self.log_time_f.close()
print "1"
self.ssh.close()
print "2"
self.close()
except AttributeError:
pass
def forward_outbound(self):
self.log_file_f, self.log_time_f, self.log = self.term.get_log()
self.id = self.log.id
try:
data = ''
pre_timestamp = time.time()
while True:
r, w, e = select.select([self.channel, sys.stdin], [], [])
if self.channel in r:
recv = self.channel.recv(1024)
if not len(recv):
return
data += recv
if self.term.vim_flag:
self.term.vim_data += recv
try:
self.write_message(json.dumps({'data': data}))
now_timestamp = time.time()
self.log_time_f.write('%s %s\n' % (round(now_timestamp-pre_timestamp, 4), len(data)))
self.log_file_f.write(data)
pre_timestamp = now_timestamp
self.log_file_f.flush()
self.log_time_f.flush()
if self.term.input_mode and not self.term.is_output(data):
self.term.data += data
data = ''
except UnicodeDecodeError:
pass
except IndexError:
pass
class Application(tornado.web.Application):
def __init__(self):
handlers = [
(r'/monitor', MonitorHandler),
(r'/terminal', WebTerminalHandler),
(r'/kill', WebTerminalKillHandler),
(r'/exec', ExecHandler),
]
setting = {
'cookie_secret': 'DFksdfsasdfkasdfFKwlwfsdfsa1204mx',
'template_path': os.path.join(os.path.dirname(__file__), 'templates'),
'static_path': os.path.join(os.path.dirname(__file__), 'static'),
'debug': False,
}
tornado.web.Application.__init__(self, handlers, **setting)
if __name__ == '__main__':
tornado.options.parse_command_line()
app = Application()
server = tornado.httpserver.HTTPServer(app)
server.bind(options.port, options.host)
#server.listen(options.port)
#server.start(num_processes=5)
print "Run server on %s:%s" % (options.host, options.port)
tornado.ioloop.IOLoop.instance().start()