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jumpserver/apps/settings/ws.py

78 lines
2.7 KiB

# -*- coding: utf-8 -*-
#
import json
from channels.generic.websocket import JsonWebsocketConsumer
from common.db.utils import close_old_connections
from common.utils import get_logger
from .utils import ping, telnet
logger = get_logger(__name__)
class ToolsWebsocket(JsonWebsocketConsumer):
def connect(self):
user = self.scope["user"]
if user.is_authenticated:
self.accept()
else:
self.close()
def imitate_ping(self, dest_addr, timeout=3, count=5, psize=64):
"""
Send `count' ping with `psize' size to `dest_addr' with
the given `timeout' and display the result.
"""
logger.info('receive request ping {}'.format(dest_addr))
self.send_json({'msg': 'Trying {0}...\r\n'.format(dest_addr)})
for i in range(count):
msg = 'ping {0} with ...{1}\r\n'
try:
delay = ping(dest_addr, timeout, psize)
except Exception as e:
msg = msg.format(dest_addr, 'failed. (socket error: {})'.format(str(e)))
logger.error(msg)
self.send_json({'msg': msg})
break
if delay is None:
msg = msg.format(dest_addr, 'failed. (timeout within {}sec.)'.format(timeout))
else:
delay = delay * 1000
msg = msg.format(dest_addr, 'get ping in %0.4fms' % delay)
self.send_json({'msg': msg})
def imitate_telnet(self, dest_addr, port_num=23, timeout=10):
logger.info('receive request telnet {}'.format(dest_addr))
self.send_json({'msg': 'Trying {0} {1}...\r\n'.format(dest_addr, port_num)})
msg = 'Telnet: {}'
try:
is_connective, resp = telnet(dest_addr, port_num, timeout)
if is_connective:
msg = msg.format('Connected to {0} {1}\r\n{2}'.format(dest_addr, port_num, resp))
else:
msg = msg.format('Connect to {0} {1} {2}\r\nTelnet: Unable to connect to remote host'
.format(dest_addr, port_num, resp))
except Exception as e:
logger.error(msg)
msg = msg.format(str(e))
finally:
self.send_json({'msg': msg})
def receive(self, text_data=None, bytes_data=None, **kwargs):
data = json.loads(text_data)
tool_type = data.get('tool_type', 'Ping')
dest_addr = data.get('dest_addr')
if tool_type == 'Ping':
self.imitate_ping(dest_addr)
else:
port_num = data.get('port_num')
self.imitate_telnet(dest_addr, port_num)
self.close()
def disconnect(self, code):
self.close()
close_old_connections()