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jumpserver/apps/terminal/models/endpoint.py

129 lines
4.8 KiB

from django.db import models
from django.utils.translation import ugettext_lazy as _
from django.core.validators import MinValueValidator, MaxValueValidator
from common.db.models import JMSModel
from common.db.fields import PortField
from common.utils.ip import contains_ip
class Endpoint(JMSModel):
name = models.CharField(max_length=128, verbose_name=_('Name'), unique=True)
host = models.CharField(max_length=256, blank=True, verbose_name=_('Host'))
# disabled value=0
https_port = PortField(default=443, verbose_name=_('HTTPS Port'))
http_port = PortField(default=80, verbose_name=_('HTTP Port'))
ssh_port = PortField(default=2222, verbose_name=_('SSH Port'))
rdp_port = PortField(default=3389, verbose_name=_('RDP Port'))
# Todo: Delete
mysql_port = PortField(default=33060, verbose_name=_('MySQL Port'))
mariadb_port = PortField(default=33061, verbose_name=_('MariaDB Port'))
postgresql_port = PortField(default=54320, verbose_name=_('PostgreSQL Port'))
redis_port = PortField(default=63790, verbose_name=_('Redis Port'))
oracle_11g_port = PortField(default=15211, verbose_name=_('Oracle 11g Port'))
oracle_12c_port = PortField(default=15212, verbose_name=_('Oracle 12c Port'))
comment = models.TextField(default='', blank=True, verbose_name=_('Comment'))
default_id = '00000000-0000-0000-0000-000000000001'
class Meta:
verbose_name = _('Endpoint')
ordering = ('name',)
def __str__(self):
return self.name
def get_port(self, protocol):
return getattr(self, f'{protocol}_port', 0)
def get_oracle_port(self, version):
protocol = f'oracle_{version}'
return self.get_port(protocol)
def is_default(self):
return str(self.id) == self.default_id
def delete(self, using=None, keep_parents=False):
if self.is_default():
return
return super().delete(using, keep_parents)
def is_valid_for(self, protocol):
if self.is_default():
return True
if self.host and self.get_port(protocol) != 0:
return True
return False
@classmethod
def get_or_create_default(cls, request=None):
data = {
'id': cls.default_id,
'name': 'Default',
'host': '',
'https_port': 0,
'http_port': 0,
}
endpoint, created = cls.objects.get_or_create(id=cls.default_id, defaults=data)
return endpoint
@classmethod
def match_by_instance_label(cls, instance, protocol):
from assets.models import Asset
from terminal.models import Session
if isinstance(instance, Session):
instance = instance.get_asset_or_application()
if not isinstance(instance, Asset):
return None
values = instance.labels.filter(name='endpoint').values_list('value', flat=True)
if not values:
return None
endpoints = cls.objects.filter(name__in=values).order_by('-date_updated')
for endpoint in endpoints:
if endpoint.is_valid_for(protocol):
return endpoint
class EndpointRule(JMSModel):
name = models.CharField(max_length=128, verbose_name=_('Name'), unique=True)
ip_group = models.JSONField(default=list, verbose_name=_('IP group'))
priority = models.IntegerField(
verbose_name=_("Priority"), validators=[MinValueValidator(1), MaxValueValidator(100)],
unique=True, help_text=_("1-100, the lower the value will be match first"),
)
endpoint = models.ForeignKey(
'terminal.Endpoint', null=True, blank=True, related_name='rules',
on_delete=models.SET_NULL, verbose_name=_("Endpoint"),
)
comment = models.TextField(default='', blank=True, verbose_name=_('Comment'))
class Meta:
verbose_name = _('Endpoint rule')
ordering = ('priority', 'name')
def __str__(self):
return f'{self.name}({self.priority})'
@classmethod
def match(cls, target_ip, protocol):
for endpoint_rule in cls.objects.all().prefetch_related('endpoint'):
if not contains_ip(target_ip, endpoint_rule.ip_group):
continue
if not endpoint_rule.endpoint:
continue
if not endpoint_rule.endpoint.is_valid_for(protocol):
continue
return endpoint_rule
@classmethod
def match_endpoint(cls, target_ip, protocol, request=None):
endpoint_rule = cls.match(target_ip, protocol)
if endpoint_rule:
endpoint = endpoint_rule.endpoint
else:
endpoint = Endpoint.get_or_create_default(request)
if not endpoint.host and request:
# 动态添加 current request host
endpoint.host = request.get_host().split(':')[0]
return endpoint