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Adding RETRYABLE_VERIFICATION_FAILURE for OCSP network failures #163

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Adding RETRYABLE_VERIFICATION_FAILURE for OCSP network failures #163

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19 changes: 13 additions & 6 deletions appstoreserverlibrary/signed_data_verifier.py
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Original file line number Diff line number Diff line change
Expand Up @@ -244,12 +244,18 @@ def check_ocsp_status(self, cert: crypto.X509, issuer: crypto.X509, root: crypto
)
ocsps = [val for val in authority_values if val.access_method == x509.oid.AuthorityInformationAccessOID.OCSP]
for o in ocsps:
r = requests.post(
o.access_location.value,
headers={"Content-Type": "application/ocsp-request"},
data=req.public_bytes(serialization.Encoding.DER),
)
if r.status_code == 200:
try:
r = requests.post(
o.access_location.value,
headers={"Content-Type": "application/ocsp-request"},
data=req.public_bytes(serialization.Encoding.DER),
timeout=30,
)
except (requests.exceptions.RequestException, OSError) as e:
raise VerificationException(VerificationStatus.RETRYABLE_VERIFICATION_FAILURE) from e
if r.status_code != 200:
raise VerificationException(VerificationStatus.RETRYABLE_VERIFICATION_FAILURE)
else:
ocsp_resp = ocsp.load_der_ocsp_response(r.content)
if ocsp_resp.response_status == ocsp.OCSPResponseStatus.SUCCESSFUL:
certs = [issuer]
Expand Down Expand Up @@ -352,6 +358,7 @@ class VerificationStatus(IntEnum):
INVALID_CHAIN_LENGTH = 4
INVALID_CHAIN = 5
INVALID_ENVIRONMENT = 6
RETRYABLE_VERIFICATION_FAILURE = 7


class VerificationException(Exception):
Expand Down