不同数据库上的Django身份验证 [英] Django Authentication on different databases

问题描述

我想为客户创建一个应用程序，其中每个客户都有自己的数据库.因此，作为登录信息，他们需要输入三个不同的字段:客户编号，用户名，密码.

I want to create an App for Customers where every customer has its own DB. So as Login information they need to enter three different fields: customernumber, username, password.

用户名和密码应该做普通的身份验证工作，customernumber可以转到正确的数据库用户表进行身份验证，我可以通过using()方法访问其他数据库，但是如何通过正确的方法对用户进行身份验证数据库?

The username and password should do the normal authentication stuff and the customernumber is there to go to the right database user table for authentication i can go to other databases through the using() method but how do you authenticate a user through the right database?

推荐答案

您应该像下面那样编写自定义身份验证后端，并且必须使用AUTHENTICATION_BACKENDS键在settings.py上指定它. Django文档

You should write custom authentication backend like below and it must be specified on settings.py using AUTHENTICATION_BACKENDS key. Django doc

from django.contrib.auth.backends import ModelBackend
class CustomAuthBackend(ModelBackend):
    def authenticate(self, request, username=None, password=None, **kwargs):
        user = User.objects.using(request.GET['CUSTOMER_TABLE']).filter(username=username)
        if user.check_password(password) and self.user_can_authenticate(user):
            return user

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