Files
mayan-edms/mayan/apps/document_signatures/forms.py

112 lines
3.5 KiB
Python

from __future__ import absolute_import, unicode_literals
import logging
from django import forms
from django.core.exceptions import PermissionDenied
from django.utils.translation import ugettext_lazy as _
from acls.models import AccessControlList
from permissions import Permission
from common.forms import DetailForm
from django_gpg.models import Key
from django_gpg.permissions import permission_key_sign
from .models import SignatureBaseModel
logger = logging.getLogger(__name__)
class DocumentVersionDetachedSignatureCreateForm(forms.Form):
key = forms.ModelChoiceField(
label=_('Key'), queryset=Key.objects.none()
)
passphrase = forms.CharField(
label=_('Passphrase'), required=False,
widget=forms.widgets.PasswordInput
)
def __init__(self, *args, **kwargs):
user = kwargs.pop('user', None)
logger.debug('user: %s', user)
super(
DocumentVersionDetachedSignatureCreateForm, self
).__init__(*args, **kwargs)
queryset = Key.objects.private_keys()
try:
Permission.check_permissions(user, (permission_key_sign,))
except PermissionDenied:
queryset = AccessControlList.objects.filter_by_access(
permission_key_sign, user, queryset
)
self.fields['key'].queryset = queryset
class DocumentVersionSignatureDetailForm(DetailForm):
def __init__(self, *args, **kwargs):
extra_fields = (
{'label': _('Signature is embedded?'), 'field': 'is_embedded'},
{
'label': _('Signature date'), 'field': 'date',
'widget': forms.widgets.DateInput
},
{'label': _('Signature key ID'), 'field': 'key_id'},
{
'label': _('Signature key present?'),
'field': lambda x: x.public_key_fingerprint is not None
},
)
if kwargs['instance'].public_key_fingerprint:
key = Key.objects.get(
fingerprint=kwargs['instance'].public_key_fingerprint
)
extra_fields += (
{'label': _('Signature ID'), 'field': 'signature_id'},
{
'label': _('Key fingerprint'),
'field': lambda x: key.fingerprint
},
{
'label': _('Key creation date'),
'field': lambda x: key.creation_date,
'widget': forms.widgets.DateInput
},
{
'label': _('Key expiration date'),
'field': lambda x: key.expiration_date or _('None'),
'widget': forms.widgets.DateInput
},
{
'label': _('Key length'),
'field': lambda x: key.length
},
{
'label': _('Key algorithm'),
'field': lambda x: key.algorithm
},
{
'label': _('Key user ID'),
'field': lambda x: key.user_id
},
{
'label': _('Key type'),
'field': lambda x: key.get_key_type_display()
},
)
kwargs['extra_fields'] = extra_fields
super(
DocumentVersionSignatureDetailForm, self
).__init__(*args, **kwargs)
class Meta:
fields = ()
model = SignatureBaseModel