35 lines
1.4 KiB
Python
35 lines
1.4 KiB
Python
# authentic2 - versatile identity manager
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# Copyright (C) 2010-2019 Entr'ouvert
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Affero General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import django
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if django.VERSION < (2,):
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from django.forms import fields
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from . import validators
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# query-string and form parameters used to query database charfield must be checked for NULL characters
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# https://code.djangoproject.com/ticket/30064
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if not getattr(fields.CharField, 'a2_workaround', False):
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CharField_old__init__ = fields.CharField.__init__
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def CharField_new_init__(self, *args, **kwargs):
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CharField_old__init__(self, *args, **kwargs)
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self.validators.append(validators.ProhibitNullCharactersValidator())
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fields.CharField.__init__ = CharField_new_init__
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fields.CharField.a2_workaround = True
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