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feat(cdm): Enhance key retrieval logic and improve cached keys handling

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Andy
2025-09-02 17:23:02 +00:00
parent 1e82283133
commit 73595f3b50
1 changed files with 5 additions and 54 deletions
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59
unshackle/core/cdm/decrypt_labs_remote_cdm.py
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@@ -110,6 +110,7 @@ class DecryptLabsRemoteCDM:
self.device_name = device_name
self.service_name = service_name or ""
self.vaults = vaults
self.uch = self.host != "https://keyxtractor.decryptlabs.com"
self._device_type_str = device_type
if device_type:
@@ -308,32 +309,9 @@ class DecryptLabsRemoteCDM:
if key and key.count("0") != len(key):
return True
if self.service_name:
try:
key_ids = []
if hasattr(pssh, "key_ids"):
key_ids = [kid.hex for kid in pssh.key_ids]
elif hasattr(pssh, "kids"):
key_ids = [kid.hex for kid in pssh.kids]
if key_ids:
response = self._http_session.post(
f"{self.host}/get-cached-keys",
json={"service": self.service_name, "kid": key_ids},
timeout=30,
)
if response.status_code == 200:
data = response.json()
return (
data.get("message") == "success"
and "cached_keys" in data
and isinstance(data["cached_keys"], list)
and len(data["cached_keys"]) > 0
)
except Exception:
pass
session_keys = session.get("keys", [])
if session_keys and len(session_keys) > 0:
return True
return False
@@ -366,11 +344,7 @@ class DecryptLabsRemoteCDM:
session["pssh"] = pssh_or_wrm
init_data = self._get_init_data_from_pssh(pssh_or_wrm)
if self.has_cached_keys(session_id):
self._load_cached_keys(session_id)
return b""
request_data = {"scheme": self.device_name, "init_data": init_data}
request_data = {"scheme": self.device_name, "init_data": init_data, "get_cached_keys_if_exists": True}
if self.device_name in ["L1", "L2", "SL2", "SL3"] and self.service_name:
request_data["service"] = self.service_name
@@ -514,29 +488,6 @@ class DecryptLabsRemoteCDM:
if key and key.count("0") != len(key):
keys.append({"kid": kid.hex, "key": key, "type": "CONTENT"})
if not keys and self.service_name:
try:
key_ids = []
if hasattr(pssh, "key_ids"):
key_ids = [kid.hex for kid in pssh.key_ids]
elif hasattr(pssh, "kids"):
key_ids = [kid.hex for kid in pssh.kids]
if key_ids:
response = self._http_session.post(
f"{self.host}/get-cached-keys",
json={"service": self.service_name, "kid": key_ids},
timeout=30,
)
if response.status_code == 200:
data = response.json()
if data.get("message") == "success" and "cached_keys" in data:
keys = self._parse_cached_keys(data["cached_keys"])
except Exception:
pass
session["keys"] = keys
def _parse_cached_keys(self, cached_keys_data: List[Dict[str, Any]]) -> List[Dict[str, Any]]: