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from django.shortcuts import redirect, reverse
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from django.utils.deprecation import MiddlewareMixin
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from django.http import HttpResponse
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from django.conf import settings
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class MFAMiddleware:
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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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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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# 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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'login/mfa', 'mfa/select', 'jsi18n/', '/static/',
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'/profile/otp', '/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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# 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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class SessionCookieMiddleware(MiddlewareMixin):
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@staticmethod
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def process_response(request, response: HttpResponse):
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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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return response
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