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@ dad41f48172d
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Location: website/www/conservancy/__init__.py - annotation
dad41f48172d
1.5 KiB
text/x-python
supporter: Fix redundant os0 ids, invalid names.
6fe13959a3b3 6fe13959a3b3 6fe13959a3b3 8fec6023e964 8fec6023e964 8fec6023e964 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 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 4fa0f8343c20 6fe13959a3b3 8fec6023e964 8fec6023e964 8fec6023e964 | import hashlib
from django.conf import settings
from django.shortcuts import render_to_response
from django.template import RequestContext
class ParameterValidator(object):
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', '')
self.hasher = hashlib.sha256(seed)
if isinstance(self.given_hash, basestring):
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
def render_template_with_context(request, template_path, context_dict):
return render_to_response(template_path, context_dict,
context_instance=RequestContext(request))
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