def binary_decode(data, encoding='utf-8', errors='strict'):
"""Decodes a binary string into a text string using given encoding.
Does nothing if data is already a text string (raises on unknown types).
"""
if isinstance(data, six.text_type):
return data
else:
return encodeutils.safe_decode(data, incoming=encoding,
errors=errors)
def _unifiedorder_xml(self, money, oid, timeline, req):
overtime = timeline + self.overtime
_random_str = random_string()
data = {
'appId': self.appid,
'mch_id': self.mchid,
'nonceStr': _random_str,
'signType': 'MD5',
'body': '%s-充值' % encodeutils.safe_decode(self.appname),
'time_start': datetime.datetime.utcfromtimestamp(timeline).strftime('%Y%m%d%H%M%S'),
'time_expire': datetime.datetime.utcfromtimestamp(overtime).strftime('%Y%m%d%H%M%S'),
'out_trade_no': str(oid),
'fee_type': self.currency,
'total_fee': str(money*100),
'spbill_create_ip': AuthFilter.client_addr(req),
'notify_url': req.path_url + '/%d' % oid,
'trade_type': 'APP',
}
data['sign'] = self.sandbox_sign if self.sandbox else WeiXinApi.calculate_signature(data, self.secret)
return self.dict_to_xml_string(data), _random_str
def html(self, **kwargs):
_kwargs = copy.copy(kwargs)
_kwargs.update({'env': 'sandbox' if self.sandbox else 'production'})
buf = HTMLTEMPLATE % _kwargs
return encodeutils.safe_decode(buf, 'utf-8')
def decrypt_xml_to_dict(buf):
return xmltodict.parse(encodeutils.safe_decode(buf))['xml']
def calculate_signature(params, api_key=None):
url = WeiXinApi.format_url(params, api_key)
return encodeutils.safe_decode(hashlib.md5(url).hexdigest().upper())
def format_url(params, api_key=None):
data = [encodeutils.safe_decode('{0}={1}'.format(k, params[k])) for k in sorted(params) if params[k]]
if api_key:
data.append(encodeutils.safe_decode('key={0}'.format(api_key)))
return b"&".join(data)