33 lines
1.0 KiB
Python
33 lines
1.0 KiB
Python
from django.core.exceptions import SuspiciousOperation
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from django.core.signing import BadSignature
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from django.utils import simplejson as json
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from django.contrib.formtools.wizard import storage
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class CookieStorage(storage.BaseStorage):
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encoder = json.JSONEncoder(separators=(',', ':'))
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def __init__(self, *args, **kwargs):
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super(CookieStorage, self).__init__(*args, **kwargs)
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self.data = self.load_data()
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if self.data is None:
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self.init_data()
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def load_data(self):
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try:
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data = self.request.get_signed_cookie(self.prefix)
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except KeyError:
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data = None
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except BadSignature:
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raise SuspiciousOperation('WizardView cookie manipulated')
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if data is None:
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return None
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return json.loads(data, cls=json.JSONDecoder)
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def update_response(self, response):
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if self.data:
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response.set_signed_cookie(self.prefix, self.encoder.encode(self.data))
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else:
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response.delete_cookie(self.prefix)
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