jumpserver/run_websocket.py

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Python
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2015-12-19 09:27:12 +00:00
# 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)
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define("host", default='0.0.0.0', help="run port on given host", type=str)
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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('Websocket: session_key: %s' % session_key)
if session_key:
session = get_object(Session, session_key=session_key)
logger.debug('Websocket: session: %s' % session)
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('Websocket: user [ %s ] request websocket' % user.username)
request.user = user
if role == 'admin':
if user.role in ['SU', 'GA']:
return func(request, *args, **kwargs)
logger.debug('Websocket: user [ %s ] is not admin.' % user.username)
else:
return func(request, *args, **kwargs)
else:
logger.debug('Websocket: session expired: %s' % session_key)
try:
request.close()
except AttributeError:
pass
logger.warning('Websocket: Request auth failed.')
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("File %s does not exist." % path)
sys.exit(3)
else:
logger.debug("Now starting monitor file %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("Websocket: Monitor client num: %s, thread num: %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("Websocket: Monitor client close request")
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("Kill log id %s" % ws_id)
ws.log.save()
ws.close()
logger.debug('Websocket: web terminal client num: %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('Websocket: Open exec request')
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)
logger.debug(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_exec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('Websocket: Open request')
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(roles)
logger.debug('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('Websocket: Not that Role %s for Host: %s User: %s ' % (role_name, asset.hostname,
self.user.username))
self.close()
return
else:
logger.warning('Websocket: No that Host: %s User: %s ' % (asset_id, self.user.username))
self.close()
return
logger.debug('Websocket: request web terminal Host: %s User: %s Role: %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('Websocket: Close request')
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)
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server.start(num_processes=5)
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print "Run server on %s:%s" % (options.host, options.port)
tornado.ioloop.IOLoop.instance().start()