+ fields = ('first_name', 'last_name', 'email')
+
+
+class WaldoAuthenticationForm(AuthenticationForm):
+ ERROR_MESSAGE = _("Please enter a correct username and password. Note that both fields are case-sensitive.")
+
+ def clean(self):
+ username = self.cleaned_data['username']
+ password = self.cleaned_data['password']
+ message = self.ERROR_MESSAGE
+
+ if username and password:
+ self.user_cache = authenticate(username=username, password=password)
+ if self.user_cache is None:
+ if u'@' in username:
+ # Maybe they entered their email? Look it up, but still raise a ValidationError.
+ try:
+ user = User.objects.get(email=username)
+ except (User.DoesNotExist, User.MultipleObjectsReturned):
+ pass
+ else:
+ if user.check_password(password):
+ message = _("Your e-mail address is not your username. Try '%s' instead.") % user.username
+ raise ValidationError(message)
+ elif not self.user_cache.is_active:
+ raise ValidationError(message)
+ self.check_for_test_cookie()
+ return self.cleaned_data
+
+ def check_for_test_cookie(self):
+ # This method duplicates the Django 1.3 AuthenticationForm method.
+ if self.request and not self.request.session.test_cookie_worked():
+ raise forms.ValidationError(
+ _("Your Web browser doesn't appear to have cookies enabled. "
+ "Cookies are required for logging in."))
\ No newline at end of file