Forbidden (403) CSRF 验证失败.请求中止 [英] Forbidden (403) CSRF verification failed. Request aborted

问题描述

我正在制作一个登录表单的应用程序，但是当我运行我的应用程序并单击登录按钮时，会发生以下错误

I am making an app of login form but when I am running my app and click on login button the following error will occur

禁止 (403)CSRF 验证失败.请求已中止.

view.py 的代码如下:

the code of view.py is as:

from django.template import  loader
from django.shortcuts import render_to_response
from registration.models import Registration
from django.http import HttpResponse
from django.template import RequestContext
from django.shortcuts import redirect


def view_login(request,registration_id):
   t = loader.get_template('registration/login.html') 
   try:
         registration=Registration.objects.get(pk=registration_id)
   except Registration.DoesNotExist:
         return render_to_response("login.html",{"registration_id":registration_id})

def home(request,registration_id):
    if request.method == "POST":
      username = request.POST.get('user_name')
      password = request.POST.get('password')
      user = authenticate(username=username, password=password)
      if user is not None:
        if user.is_active:
          login(request, user)
        # success
          return render('registration/main_page.html',{'registration_id':registration_id},context_instance=RequestContext(user))
        else:
         #user was not active
           return redirect('q/',context_instance=RequestContext(user))
      else:
        # not a valid user
           return redirect('q/',context_instance=RequestContext(user))
    else:
       # URL was accessed directly
           return redirect('q/',context_instance=RequestContext(user))

推荐答案

您需要在表单中添加{% csrf_token %}

https://docs.djangoproject.com/en/2.2/ref/csrf/

像这样:

<form>
    {% csrf_token %}
    <anything_else>
</form>

此外，每次使用 render_to_response 时都必须使用 RequestContext(request) :

Also, you have to use RequestContext(request) everytime you use render_to_response :

return render_to_response("login.html",
    {"registration_id":registration_id},
    context_instance=RequestContext(request))

并且您必须导入身份验证和登录:

And you have to import authenticate and login :

from django.contrib.auth import authenticate, login

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