forms.py 4.77 KB
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# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License version 3 for
# more details.
#
# You should have received a copy of the GNU General Public License version 3
# along with this program; if not, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
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# (c) 2015-2016 Valentin Samir
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"""forms for the app"""
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from .default_settings import settings
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from django import forms
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from django.utils.translation import ugettext_lazy as _
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import cas_server.utils as utils
import cas_server.models as models
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class WarnForm(forms.Form):
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    """Form used on warn page before emiting a ticket"""
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    service = forms.CharField(widget=forms.HiddenInput(), required=False)
    renew = forms.BooleanField(widget=forms.HiddenInput(), required=False)
    gateway = forms.CharField(widget=forms.HiddenInput(), required=False)
    method = forms.CharField(widget=forms.HiddenInput(), required=False)
    warned = forms.BooleanField(widget=forms.HiddenInput(), required=False)
    lt = forms.CharField(widget=forms.HiddenInput(), required=False)
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class FederateSelect(forms.Form):
    provider = forms.ChoiceField(
        label=_('Identity provider'),
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        # with use a lambda abstraction to delay the access to settings.CAS_FEDERATE_PROVIDERS
        # this is usefull to use the override_settings decorator in tests
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        choices=[
            (
                p,
                utils.get_tuple(settings.CAS_FEDERATE_PROVIDERS[p], 2, p)
            ) for p in settings.CAS_FEDERATE_PROVIDERS_LIST
        ]
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    )
    service = forms.CharField(label=_('service'), widget=forms.HiddenInput(), required=False)
    method = forms.CharField(widget=forms.HiddenInput(), required=False)
    remember = forms.BooleanField(label=_('Remember the identity provider'), required=False)
    warn = forms.BooleanField(label=_('warn'), required=False)
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    renew = forms.BooleanField(widget=forms.HiddenInput(), required=False)
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class UserCredential(forms.Form):
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    """Form used on the login page to retrive user credentials"""
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    username = forms.CharField(label=_('login'))
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    service = forms.CharField(label=_('service'), widget=forms.HiddenInput(), required=False)
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    password = forms.CharField(label=_('password'), widget=forms.PasswordInput)
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    lt = forms.CharField(widget=forms.HiddenInput(), required=False)
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    method = forms.CharField(widget=forms.HiddenInput(), required=False)
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    warn = forms.BooleanField(label=_('warn'), required=False)
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    renew = forms.BooleanField(widget=forms.HiddenInput(), required=False)
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    def __init__(self, *args, **kwargs):
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        super(UserCredential, self).__init__(*args, **kwargs)

    def clean(self):
        cleaned_data = super(UserCredential, self).clean()
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        auth = utils.import_attr(settings.CAS_AUTH_CLASS)(cleaned_data.get("username"))
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        if auth.test_password(cleaned_data.get("password")):
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            cleaned_data["username"] = auth.username
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        else:
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            raise forms.ValidationError(_(u"Bad user"))
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        return cleaned_data


class FederateUserCredential(UserCredential):
    """Form used on the login page to retrive user credentials"""
    username = forms.CharField(widget=forms.HiddenInput())
    service = forms.CharField(widget=forms.HiddenInput(), required=False)
    password = forms.CharField(widget=forms.HiddenInput())
    ticket = forms.CharField(widget=forms.HiddenInput())
    lt = forms.CharField(widget=forms.HiddenInput(), required=False)
    method = forms.CharField(widget=forms.HiddenInput(), required=False)
    warn = forms.BooleanField(widget=forms.HiddenInput(), required=False)
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    renew = forms.BooleanField(widget=forms.HiddenInput(), required=False)
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    def clean(self):
        cleaned_data = super(FederateUserCredential, self).clean()
        try:
            component = cleaned_data["username"].split('@')
            username = '@'.join(component[:-1])
            provider = component[-1]
            user = models.FederatedUser.objects.get(username=username, provider=provider)
            user.ticket = ""
            user.save()
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        # should not happed as is the FederatedUser do not exists, super should
        # raise before a ValidationError("bad user")
        except models.FederatedUser.DoesNotExist:  # pragma: no cover (should not happend)
            raise forms.ValidationError(
                _(u"User not found in the temporary database, please try to reconnect")
            )
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        return cleaned_data
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class TicketForm(forms.ModelForm):
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    """Form for Tickets in the admin interface"""
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    class Meta:
        model = models.Ticket
        exclude = []
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    service = forms.CharField(label=_('service'), widget=forms.TextInput)