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Location: website/www/conservancy/__init__.py - annotation
ba0df40639d9
1.5 KiB
text/x-python
supporter: Improve amount validation JavaScript.
* Check validity on page load and store it in a data attribute so we can
change validity state more accurately.
* Clear invalid state on any change.
* Check validity on page load and store it in a data attribute so we can
change validity state more accurately.
* Clear invalid state on any change.
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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