mirror of https://github.com/openspug/spug
				
				
				
			
		
			
				
	
	
		
			85 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			85 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			Python
		
	
	
# Copyright: (c) OpenSpug Organization. https://github.com/openspug/spug
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# Copyright: (c) <spug.dev@gmail.com>
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# Released under the MIT License.
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from django.views.generic import View
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from django.shortcuts import render
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from django.http.response import HttpResponseBadRequest
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from libs import json_response, JsonParser, Argument
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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 libs.ssh import SSH, AuthenticationException
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from libs import human_datetime
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class HostView(View):
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    def get(self, request):
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        hosts = Host.objects.filter(deleted_by_id__isnull=True)
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        zones = [x['zone'] for x in hosts.order_by('zone').values('zone').distinct()]
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        return json_response({'zones': zones, 'hosts': [x.to_dict() for x in hosts]})
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    def post(self, request):
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        form, error = JsonParser(
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            Argument('id', type=int, required=False),
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            Argument('zone', help='请输入主机类型'),
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            Argument('name', help='请输主机名称'),
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            Argument('username', help='请输入登录用户名'),
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            Argument('hostname', help='请输入主机名或IP'),
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            Argument('port', type=int, help='请输入SSH端口'),
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            Argument('desc', required=False),
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            Argument('password', required=False),
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        ).parse(request.body)
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        if error is None:
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            if valid_ssh(form.hostname, form.port, form.username, form.pop('password')) is False:
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                return json_response('auth fail')
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            if form.id:
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                Host.objects.filter(pk=form.pop('id')).update(**form)
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            else:
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                form.created_by = request.user
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                Host.objects.create(**form)
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        return json_response(error=error)
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    def delete(self, request):
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        form, error = JsonParser(
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            Argument('id', type=int, help='请指定操作对象')
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        ).parse(request.GET)
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        if error is None:
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            Host.objects.filter(pk=form.id).update(
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                deleted_at=human_datetime(),
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                deleted_by=request.user,
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            )
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        return json_response(error=error)
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def web_ssh(request, h_id):
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    host = Host.objects.filter(pk=h_id).first()
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    if not host:
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        return HttpResponseBadRequest('unknown host')
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    context = {'id': h_id, 'title': host.name, 'token': request.user.access_token}
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    return render(request, 'web_ssh.html', context)
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def valid_ssh(hostname, port, username, password):
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    try:
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        private_key = AppSetting.get('private_key')
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        public_key = AppSetting.get('public_key')
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    except KeyError:
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        private_key, public_key = SSH.generate_key()
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        AppSetting.set('private_key', private_key, 'ssh private key')
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        AppSetting.set('public_key', public_key, 'ssh public key')
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    if password:
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        cli = SSH(hostname, port, username, password=password)
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        code, out = cli.exec_command('mkdir -p -m 700 ~/.ssh && \
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                echo %r >> ~/.ssh/authorized_keys && \
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                chmod 600 ~/.ssh/authorized_keys' % public_key)
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        if code != 0:
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            raise Exception(f'add public key error: {out!r}')
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    else:
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        cli = SSH(hostname, port, username, private_key)
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    try:
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        cli.ping()
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    except AuthenticationException:
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        return False
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    return True
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