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Cdm: Support multiple forms of Service Certs in encrypt_client_id

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This commit is contained in:
rlaphoenix 2022-07-31 13:29:38 +01:00
parent 0c85abb2d4
commit 5c1b0e89ef
1 changed files with 9 additions and 1 deletions
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10
pywidevine/cdm.py
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@ -424,7 +424,7 @@ class Cdm:
@staticmethod
def encrypt_client_id(
client_id: ClientIdentification,
service_certificate: DrmCertificate,
service_certificate: Union[SignedMessage, SignedDrmCertificate, DrmCertificate],
key: bytes = None,
iv: bytes = None
) -> EncryptedClientIdentification:
@ -432,6 +432,14 @@ class Cdm:
privacy_key = key or get_random_bytes(16)
privacy_iv = iv or get_random_bytes(16)
if isinstance(service_certificate, SignedMessage):
signed_drm_certificate = SignedDrmCertificate()
signed_drm_certificate.ParseFromString(service_certificate.msg)
service_certificate = signed_drm_certificate
if isinstance(service_certificate, SignedDrmCertificate):
drm_certificate = DrmCertificate()
drm_certificate.ParseFromString(service_certificate.drm_certificate)
service_certificate = drm_certificate
if not isinstance(service_certificate, DrmCertificate):
raise ValueError(f"Expecting Service Certificate to be a DrmCertificate, not {service_certificate!r}")