37 lines
1.4 KiB
Python
37 lines
1.4 KiB
Python
from __future__ import unicode_literals
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from django import forms
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from django.contrib.auth import authenticate
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from django.contrib.auth.forms import AuthenticationForm
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from django.utils.translation import ugettext_lazy
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ERROR_MESSAGE = ugettext_lazy("Please enter the correct %(username)s and password "
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"for a staff account. Note that both fields may be case-sensitive.")
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class AdminAuthenticationForm(AuthenticationForm):
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"""
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A custom authentication form used in the admin app.
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"""
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this_is_the_login_form = forms.BooleanField(widget=forms.HiddenInput, initial=1,
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error_messages={'required': ugettext_lazy("Please log in again, because your session has expired.")})
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def clean(self):
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username = self.cleaned_data.get('username')
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password = self.cleaned_data.get('password')
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message = ERROR_MESSAGE
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if username and password:
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self.user_cache = authenticate(username=username, password=password)
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if self.user_cache is None:
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raise forms.ValidationError(message % {
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'username': self.username_field.verbose_name
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})
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elif not self.user_cache.is_active or not self.user_cache.is_staff:
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raise forms.ValidationError(message % {
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'username': self.username_field.verbose_name
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})
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return self.cleaned_data
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