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jumpserver/apps/common/permissions.py

71 lines
2.4 KiB

# -*- coding: utf-8 -*-
#
import time
from django.conf import settings
from rest_framework import permissions
class IsValidUser(permissions.IsAuthenticated):
"""Allows access to valid user, is active and not expired"""
def has_permission(self, request, view):
return super().has_permission(request, view) \
and request.user.is_valid
class OnlySuperUser(IsValidUser):
def has_permission(self, request, view):
return super().has_permission(request, view) \
and request.user.is_superuser
class IsServiceAccount(IsValidUser):
def has_permission(self, request, view):
return super().has_permission(request, view) \
and request.user.is_service_account
class WithBootstrapToken(permissions.BasePermission):
def has_permission(self, request, view):
authorization = request.META.get('HTTP_AUTHORIZATION', '')
if not authorization:
return False
request_bootstrap_token = authorization.split()[-1]
return settings.BOOTSTRAP_TOKEN == request_bootstrap_token
class ServiceAccountSignaturePermission(permissions.BasePermission):
def has_permission(self, request, view):
from authentication.models import AccessKey
from common.utils.crypto import get_aes_crypto
signature = request.META.get('HTTP_X_JMS_SVC', '')
if not signature or not signature.startswith('Sign'):
return False
data = signature[4:].strip()
if not data or ':' not in data:
return False
ak_id, time_sign = data.split(':', 1)
if not ak_id or not time_sign:
return False
ak = AccessKey.objects.filter(id=ak_id).first()
if not ak or not ak.is_active:
return False
if not ak.user or not ak.user.is_active or not ak.user.is_service_account:
return False
aes = get_aes_crypto(str(ak.secret).replace('-', ''), mode='ECB')
try:
timestamp = aes.decrypt(time_sign)
if not timestamp or not timestamp.isdigit():
return False
timestamp = int(timestamp)
interval = abs(int(time.time()) - timestamp)
if interval > 30:
return False
return True
except Exception:
return False
def has_object_permission(self, request, view, obj):
return False