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Django - 标签 - cywhat's blog

Python创建并上传自己的pip依赖包 Django操作异步任务 ValueError:invalid UnorderedObjectListWarning:Pagination May Yield Inconsistent Results With an Unordered Object_list Django删除表重建 Django连接Mysql配置 RuntimeWarning:DateTimeField Session.expire_date received a naive datetime fonts.googleapis.com访问较慢[已解决] Django中的form表单校验
Django的csrf防御机制
cywhat · 2022-07-04 · via Django - 标签 - cywhat's blog

前景:

Html页面的表单没有完全使用Django的form进行渲染,故Js不能使用$('#ClassID').serialize()来获取CsrfData,然后报错CSRF token missing or incorrect.

原因:

Django第一次响应来自某个客户端的请求时,会在服务器端随机生成一个Token,把这个Token放在Cookie里。然后每次Post请求都会带上这个Token, 这样可以能避免被Csrf攻击。所以会在每个Html模板中增加一个 {% csrf_token %}标签。

视图函数返回Csrf的三种方式

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return render_to_response('Account/Login.html',data,context_instance=RequestContext(request))

return HttpResponse(_template.render(context, request))

return render(request, 'xxx.html', data)

Html中的展现形式

/img/img60.png

解决

1.通过Js先获取到Csrf值

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<script>
const csrftoken = document.querySelector('[name=csrfmiddlewaretoken]').value;
</script>

2.通过在Ajax设置请求头传递

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<script>
    $.ajax({
        headers: {'X-CSRFToken': csrf_token},     
    })
</script>

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