如何通知用户他在Django登录视图中未处于活动状态 [英] How to inform a user that he is not active in Django login view

问题描述

我正在为Django创建一个自定义身份验证应用，一切正常，用户需要验证电子邮件以将is_active设置为True，这就像一个超级按钮，但是一旦用户发送电子邮件且令牌过期，用户尝试登录并接收到用户消息或密码传递不正确，我想表明用户必须激活该帐户并提供一个链接，以将激活令牌重新发送到他的电子邮件.

I'm creating a custom authentication app to Django, everything is fine, the user needs to verify email to set is_active True, this works like a charm, but once the user send the e-mail and the token expires, the user try to login and receive a message of user or pass incorrect, and I want to show the user has to activate the account and give a link to resend the activation token to his email.

我正在使用默认的登录视图:

I'm using the default Login View:

url(r'^login/$', auth_views.LoginView.as_view(template_name='accounts/login.html'), name='account_login')

我如何修改此视图或其他内容以显示用户未处于活动状态?

How can i modify this view or other thing to show the user is not active?

从Django auth中查看AuthenticationForm，我可以看到存在一个非活动用户错误，但是只有错误inin_login出现在登录表单中.

Looking in the AuthenticationForm from Django auth I can see that there is an error of inactive user, but only the error invalid_login is being raised in login form.

class AuthenticationForm(forms.Form):
    """
    Base class for authenticating users. Extend this to get a form that accepts
    username/password logins.
    """
    username = UsernameField(
        max_length=254,
        widget=forms.TextInput(attrs={'autofocus': True}),
    )
    password = forms.CharField(
        label=_("Password"),
        strip=False,
        widget=forms.PasswordInput,
    )

    error_messages = {
        'invalid_login': _(
            "Please enter a correct %(username)s and password. Note that both "
            "fields may be case-sensitive."
        ),
        'inactive': _("This account is inactive."),
    }

    def __init__(self, request=None, *args, **kwargs):
        """
        The 'request' parameter is set for custom auth use by subclasses.
        The form data comes in via the standard 'data' kwarg.
        """
        self.request = request
        self.user_cache = None
        super(AuthenticationForm, self).__init__(*args, **kwargs)

        # Set the label for the "username" field.
        self.username_field = UserModel._meta.get_field(UserModel.USERNAME_FIELD)
        if self.fields['username'].label is None:
            self.fields['username'].label = capfirst(self.username_field.verbose_name)

    def clean(self):
        username = self.cleaned_data.get('username')
        password = self.cleaned_data.get('password')

        if username is not None and password:
            self.user_cache = authenticate(self.request, username=username, password=password)
            if self.user_cache is None:
                raise forms.ValidationError(
                    self.error_messages['invalid_login'],
                    code='invalid_login',
                    params={'username': self.username_field.verbose_name},
                )
            else:
                self.confirm_login_allowed(self.user_cache)

        return self.cleaned_data

    def confirm_login_allowed(self, user):
        """
        Controls whether the given User may log in. This is a policy setting,
        independent of end-user authentication. This default behavior is to
        allow login by active users, and reject login by inactive users.

        If the given user cannot log in, this method should raise a
        ``forms.ValidationError``.

        If the given user may log in, this method should return None.
        """
        if not user.is_active:
            raise forms.ValidationError(
                self.error_messages['inactive'],
                code='inactive',
            )

    def get_user_id(self):
        if self.user_cache:
            return self.user_cache.id
        return None

    def get_user(self):
        return self.user_cache

推荐答案

我能够从AuthenticationForm类中纠正这种覆盖过度的干净方法.

I'm able to correct this overrinding clean method from AuthenticationForm class.

class LoginForm(AuthenticationForm):
    def clean(self):
        username = self.cleaned_data.get('username')
        password = self.cleaned_data.get('password')

        if username is not None and password:
            self.user_cache = authenticate(self.request, username=username, password=password)
            if self.user_cache is None:
                try:
                    user_temp = User.objects.get(username=username)
                except:
                    user_temp = None

                if user_temp is not None:
                        self.confirm_login_allowed(user_temp)
                else:
                    raise forms.ValidationError(
                        self.error_messages['invalid_login'],
                        code='invalid_login',
                        params={'username': self.username_field.verbose_name},
                    )

        return self.cleaned_data

永远不会引发不活动用户，这是因为在Django 1.10之后，所有不活动的用户都无法进行身份验证，因此self.user_chache对于不活动的用户始终为None，即使拥有正确的用户并通过.

The inactive user never is raised, this happens because after Django 1.10 all users that is not active cannot authenticate, so self.user_chache is always be None for inactive users, even if has a correct user and pass.

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