mirror of https://github.com/jumpserver/jumpserver
124 lines
4.2 KiB
Python
124 lines
4.2 KiB
Python
# -*- coding: utf-8 -*-
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#
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import time
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from django.conf import settings
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from rest_framework import permissions
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from authentication.const import ConfirmType
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from authentication.models import ConnectionToken
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from common.exceptions import UserConfirmRequired
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from common.utils import get_object_or_none
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from orgs.utils import tmp_to_root_org
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class IsValidUser(permissions.IsAuthenticated):
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"""Allows access to valid user, is active and not expired"""
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def has_permission(self, request, view):
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return super().has_permission(request, view) \
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and request.user.is_valid
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class IsValidUserOrConnectionToken(IsValidUser):
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def has_permission(self, request, view):
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return super().has_permission(request, view) \
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or self.is_valid_connection_token(request)
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@staticmethod
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def is_valid_connection_token(request):
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token_id = request.query_params.get('token')
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if not token_id:
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return False
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with tmp_to_root_org():
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token = get_object_or_none(ConnectionToken, id=token_id)
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return token and token.is_valid
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class OnlySuperUser(IsValidUser):
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def has_permission(self, request, view):
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return super().has_permission(request, view) \
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and request.user.is_superuser
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class IsServiceAccount(IsValidUser):
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def has_permission(self, request, view):
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return super().has_permission(request, view) \
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and request.user.is_service_account
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class WithBootstrapToken(permissions.BasePermission):
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def has_permission(self, request, view):
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authorization = request.META.get('HTTP_AUTHORIZATION', '')
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if not authorization:
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return False
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request_bootstrap_token = authorization.split()[-1]
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return settings.BOOTSTRAP_TOKEN == request_bootstrap_token
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class UserConfirmation(permissions.BasePermission):
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ttl = 60 * 5
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min_level = 1
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confirm_type = ConfirmType.RELOGIN
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def has_permission(self, request, view):
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if not settings.SECURITY_VIEW_AUTH_NEED_MFA:
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return True
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confirm_level = request.session.get('CONFIRM_LEVEL')
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confirm_time = request.session.get('CONFIRM_TIME')
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ttl = self.get_ttl()
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if not confirm_level or not confirm_time or \
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confirm_level < self.min_level or \
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confirm_time < time.time() - ttl:
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raise UserConfirmRequired(code=self.confirm_type)
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return True
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def get_ttl(self):
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if self.confirm_type == ConfirmType.MFA:
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ttl = settings.SECURITY_MFA_VERIFY_TTL
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else:
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ttl = self.ttl
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return ttl
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@classmethod
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def require(cls, confirm_type=ConfirmType.RELOGIN, ttl=60 * 5):
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min_level = ConfirmType.values.index(confirm_type) + 1
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name = 'UserConfirmationLevel{}TTL{}'.format(min_level, ttl)
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return type(name, (cls,), {'min_level': min_level, 'ttl': ttl, 'confirm_type': confirm_type})
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class ServiceAccountSignaturePermission(permissions.BasePermission):
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def has_permission(self, request, view):
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from authentication.models import AccessKey
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from common.utils.crypto import get_aes_crypto
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signature = request.META.get('HTTP_X_JMS_SVC', '')
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if not signature or not signature.startswith('Sign'):
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return False
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data = signature[4:].strip()
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if not data or ':' not in data:
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return False
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ak_id, time_sign = data.split(':', 1)
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if not ak_id or not time_sign:
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return False
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ak = AccessKey.objects.filter(id=ak_id).first()
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if not ak or not ak.is_active:
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return False
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if not ak.user or not ak.user.is_active or not ak.user.is_service_account:
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return False
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aes = get_aes_crypto(str(ak.secret).replace('-', ''), mode='ECB')
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try:
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timestamp = aes.decrypt(time_sign)
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if not timestamp or not timestamp.isdigit():
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return False
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timestamp = int(timestamp)
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interval = abs(int(time.time()) - timestamp)
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if interval > 30:
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return False
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return True
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except Exception:
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return False
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def has_object_permission(self, request, view, obj):
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return False
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