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