78 lines
2.4 KiB
Python
78 lines
2.4 KiB
Python
from channels.generic.websocket import WebsocketConsumer
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from django_redis import get_redis_connection
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from apps.setting.utils import AppSetting
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from apps.host.models import Host
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from threading import Thread
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import json
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class ExecConsumer(WebsocketConsumer):
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.token = self.scope['url_route']['kwargs']['token']
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self.rds = get_redis_connection()
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def connect(self):
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self.accept()
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def disconnect(self, code):
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self.rds.close()
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def receive(self, **kwargs):
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response = self.rds.blpop(self.token, timeout=5)
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while response:
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self.send(text_data=response[1].decode())
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response = self.rds.blpop(self.token, timeout=5)
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self.send(text_data='pong')
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class SSHConsumer(WebsocketConsumer):
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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kwargs = self.scope['url_route']['kwargs']
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self.token = kwargs['token']
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self.id = kwargs['id']
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self.chan = None
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self.ssh = None
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def loop_read(self):
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while True:
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data = self.chan.recv(32 * 1024)
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# print('read: {!r}'.format(data))
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if not data:
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self.close(3333)
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break
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self.send(bytes_data=data)
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def receive(self, text_data=None, bytes_data=None):
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data = text_data or bytes_data
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if data:
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data = json.loads(data)
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# print('write: {!r}'.format(data))
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resize = data.get('resize')
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if resize and len(resize) == 2:
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self.chan.resize_pty(*resize)
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else:
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self.chan.send(data['data'])
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def disconnect(self, code):
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self.chan.close()
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self.ssh.close()
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# print('Connection close')
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def connect(self):
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self.accept()
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self.send(bytes_data=b'Connecting ...\r\n')
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host = Host.objects.filter(pk=self.id).first()
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if not host:
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self.send(text_data='Unknown host\r\n')
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self.close()
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try:
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self.ssh = host.get_ssh(AppSetting.get('private_key')).get_client()
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except Exception as e:
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self.send(bytes_data=f'Exception: {e}\r\n'.encode())
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self.close()
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self.chan = self.ssh.invoke_shell(term='xterm')
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self.chan.transport.set_keepalive(30)
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Thread(target=self.loop_read).start()
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