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Location: website/www/conservancy/__init__.py - annotation
45a1f64730cb
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text/x-python
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6fe13959a3b3 6fe13959a3b3 6fe13959a3b3 8fec6023e964 66dbfac066b0 66dbfac066b0 66dbfac066b0 66dbfac066b0 60010999d25f 9e39d7eadced 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 69725698aeae 4fa0f8343c20 60010999d25f 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 | import hashlib
from django.conf import settings
# This is backwards compatibilty support for a custom function we wrote
# ourselves that is no longer necessary in modern Django.
from django.shortcuts import render as render_template_with_context
class ParameterValidator:
def __init__(self, given_hash_or_params, params_hash_key=None):
if params_hash_key is None:
self.given_hash = given_hash_or_params
else:
self.given_hash = given_hash_or_params.get(params_hash_key)
seed = getattr(settings, 'CONSERVANCY_SECRET_KEY', '').encode('utf-8')
self.hasher = hashlib.sha256(seed)
if isinstance(self.given_hash, str):
self.hash_type = type(self.given_hash)
else:
self.hash_type = type(self.hasher.hexdigest())
self.valid = None
if not (self.given_hash and seed):
self.fail()
def __enter__(self):
self.valid = self.valid and None
return self
def __exit__(self, exc_type, exc_value, exc_tb):
if exc_type is None:
self.check()
else:
self.fail()
def validate(self, data):
self.valid = self.valid and None
self.hasher.update(data)
def check(self):
if self.valid or (self.valid is None):
self.valid = self.hash_type(self.hasher.hexdigest()) == self.given_hash
return self.valid
def fail(self):
self.valid = False
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