2022-05-07 08:20:12 +00:00
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import base64
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2022-11-04 12:14:19 +00:00
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import time
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2022-05-07 08:20:12 +00:00
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2022-08-09 03:24:28 +00:00
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from django.shortcuts import redirect, reverse, render
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2022-04-15 13:33:15 +00:00
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from django.utils.deprecation import MiddlewareMixin
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2021-11-25 05:20:13 +00:00
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from django.http import HttpResponse
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2022-04-15 13:33:15 +00:00
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from django.conf import settings
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2022-08-09 03:24:28 +00:00
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from django.utils.translation import ugettext as _
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from django.contrib.auth import logout as auth_logout
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2021-08-26 07:01:43 +00:00
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2022-08-09 03:24:28 +00:00
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from apps.authentication import mixins
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2022-05-07 08:20:12 +00:00
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from common.utils import gen_key_pair
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2022-08-09 03:24:28 +00:00
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from common.utils import get_request_ip
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2022-08-10 03:03:51 +00:00
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from .signals import post_auth_failed
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2022-05-07 08:20:12 +00:00
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2021-08-26 07:01:43 +00:00
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class MFAMiddleware:
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2021-11-25 05:20:13 +00:00
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"""
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这个 中间件 是用来全局拦截开启了 MFA 却没有认证的,如 OIDC, CAS,使用第三方库做的登录,直接 login 了,
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所以只能在 Middleware 中控制
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"""
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2022-08-09 03:24:28 +00:00
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2021-08-26 07:01:43 +00:00
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def __init__(self, get_response):
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self.get_response = get_response
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def __call__(self, request):
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response = self.get_response(request)
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2021-11-25 05:20:13 +00:00
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# 没有校验
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if not request.session.get('auth_mfa_required'):
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return response
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# 没有认证过,证明不是从 第三方 来的
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if request.user.is_anonymous:
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return response
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2021-11-24 09:25:10 +00:00
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2021-11-25 05:20:13 +00:00
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# 这个是 mfa 登录页需要的请求, 也得放出来, 用户其实已经在 CAS/OIDC 中完成登录了
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white_urls = [
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2021-11-25 08:00:09 +00:00
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'login/mfa', 'mfa/select', 'jsi18n/', '/static/',
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'/profile/otp', '/logout/',
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2021-11-25 05:20:13 +00:00
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]
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2021-11-24 09:25:10 +00:00
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for url in white_urls:
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if request.path.find(url) > -1:
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return response
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2021-11-25 05:20:13 +00:00
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# 因为使用 CAS/OIDC 登录的,不小心去了别的页面就回不来了
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if request.path.find('users/profile') > -1:
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return HttpResponse('', status=401)
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url = reverse('authentication:login-mfa') + '?_=middleware'
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return redirect(url)
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2022-04-15 13:33:15 +00:00
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2022-08-09 03:24:28 +00:00
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class ThirdPartyLoginMiddleware(mixins.AuthMixin):
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"""OpenID、CAS、SAML2登录规则设置验证"""
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def __init__(self, get_response):
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self.get_response = get_response
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def __call__(self, request):
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response = self.get_response(request)
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# 没有认证过,证明不是从 第三方 来的
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if request.user.is_anonymous:
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return response
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if not request.session.get('auth_third_party_required'):
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return response
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2023-02-09 11:38:28 +00:00
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white_urls = [
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'jsi18n/', '/static/',
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'login/guard', 'login/wait-confirm',
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'login-confirm-ticket/status',
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'settings/public/open',
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'core/auth/login', 'core/auth/logout'
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]
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for url in white_urls:
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if request.path.find(url) > -1:
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return response
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2022-08-09 03:24:28 +00:00
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ip = get_request_ip(request)
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try:
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2022-08-10 03:03:51 +00:00
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self.request = request
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2022-08-09 03:24:28 +00:00
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self._check_login_acl(request.user, ip)
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except Exception as e:
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2022-08-10 03:03:51 +00:00
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post_auth_failed.send(
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sender=self.__class__, username=request.user.username,
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request=self.request, reason=e.msg
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)
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2022-08-09 03:24:28 +00:00
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auth_logout(request)
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context = {
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'title': _('Authentication failed'),
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'message': _('Authentication failed (before login check failed): {}').format(e),
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'interval': 10,
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'redirect_url': reverse('authentication:login'),
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'auto_redirect': True,
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}
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2022-08-10 11:30:54 +00:00
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response = render(request, 'authentication/auth_fail_flash_message_standalone.html', context)
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2022-08-09 03:24:28 +00:00
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else:
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if not self.request.session['auth_confirm_required']:
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return response
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2022-08-09 03:24:28 +00:00
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guard_url = reverse('authentication:login-guard')
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args = request.META.get('QUERY_STRING', '')
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if args:
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guard_url = "%s?%s" % (guard_url, args)
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response = redirect(guard_url)
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finally:
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return response
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2022-04-15 13:33:15 +00:00
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class SessionCookieMiddleware(MiddlewareMixin):
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@staticmethod
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2022-05-17 09:02:16 +00:00
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def set_cookie_public_key(request, response):
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2022-06-25 02:14:13 +00:00
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if request.path.startswith('/api'):
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return
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2022-05-07 08:20:12 +00:00
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pub_key_name = settings.SESSION_RSA_PUBLIC_KEY_NAME
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public_key = request.session.get(pub_key_name)
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cookie_key = request.COOKIES.get(pub_key_name)
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if public_key and public_key == cookie_key:
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return
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pri_key_name = settings.SESSION_RSA_PRIVATE_KEY_NAME
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private_key, public_key = gen_key_pair()
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public_key_decode = base64.b64encode(public_key.encode()).decode()
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request.session[pub_key_name] = public_key_decode
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request.session[pri_key_name] = private_key
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response.set_cookie(pub_key_name, public_key_decode)
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2022-05-17 09:02:16 +00:00
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@staticmethod
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2022-05-18 06:42:54 +00:00
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def set_cookie_session_prefix(request, response):
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key = settings.SESSION_COOKIE_NAME_PREFIX_KEY
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value = settings.SESSION_COOKIE_NAME_PREFIX
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if request.COOKIES.get(key) == value:
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return response
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response.set_cookie(key, value)
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2022-05-18 06:42:54 +00:00
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@staticmethod
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def set_cookie_session_expire(request, response):
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if not request.session.get('auth_session_expiration_required'):
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return
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value = 'age'
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if settings.SESSION_EXPIRE_AT_BROWSER_CLOSE_FORCE or \
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not request.session.get('auto_login', False):
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value = 'close'
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age = request.session.get_expiry_age()
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response.set_cookie('jms_session_expire', value, max_age=age)
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request.session.pop('auth_session_expiration_required', None)
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2022-05-17 09:02:16 +00:00
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def process_response(self, request, response: HttpResponse):
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2022-05-18 06:42:54 +00:00
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self.set_cookie_session_prefix(request, response)
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self.set_cookie_public_key(request, response)
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self.set_cookie_session_expire(request, response)
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2022-05-07 08:20:12 +00:00
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return response
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