def validate_response(response: Response, key: str) -> Response:
response.raise_for_status()
data = response.json()
signature = data.pop("signature")
payload = OrderedDict(
(k, data[k]) for k in conf.RESPONSE_KEYS if k in data)
if not verify(payload, signature, key):
raise CsobVerifyError("Cannot verify response")
if "dttm" in payload:
payload["dttime"] = dttm_decode(payload["dttm"])
response.extensions = []
response.payload = payload
# extensions
if "extensions" in data:
maskclnrp_keys = "extension", "dttm", "maskedCln", "expiration", "longMaskedCln"
for one in data["extensions"]:
if one["extension"] == "maskClnRP":
o = OrderedDict(
(k, one[k]) for k in maskclnrp_keys if k in one)
if verify(o, one["signature"], key):
response.extensions.append(o)
else:
raise CsobVerifyError(
"Cannot verify masked card extension response")
return response
