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fix(drm): don't switch to a mismatched CDM type during licensing

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Guard the CDM switch on the fetched CDM's actual DRM type and raise a clear error on mismatch instead of sending a mismatched challenge.
This commit is contained in:
imSp4rky
2026-06-25 11:05:18 -06:00
parent e96e9be143
commit 06e0593da3
1 changed files with 6 additions and 2 deletions
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unshackle/commands/dl.py
+6 -2
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@@ -3615,22 +3615,26 @@ class dl:
if isinstance(drm, Widevine):
if not is_widevine_cdm(self.cdm):
widevine_cdm = self.get_cdm(self.service, self.profile, drm="widevine", quality=track_quality)
if widevine_cdm:
if widevine_cdm and is_widevine_cdm(widevine_cdm):
if track_quality:
self.log.info(f"Switching to Widevine CDM for Widevine {track_quality}p content")
else:
self.log.info("Switching to Widevine CDM for Widevine content")
self.cdm = widevine_cdm
else:
raise ValueError(f"Title needs a Widevine CDM but {self.service} is configured with PlayReady.")
elif isinstance(drm, PlayReady):
if not is_playready_cdm(self.cdm):
playready_cdm = self.get_cdm(self.service, self.profile, drm="playready", quality=track_quality)
if playready_cdm:
if playready_cdm and is_playready_cdm(playready_cdm):
if track_quality:
self.log.info(f"Switching to PlayReady CDM for PlayReady {track_quality}p content")
else:
self.log.info("Switching to PlayReady CDM for PlayReady content")
self.cdm = playready_cdm
else:
raise ValueError(f"Title needs a PlayReady CDM but {self.service} is configured with Widevine.")
if isinstance(drm, Widevine):
if self.debug_logger: