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fix: support non-encrypted variants of v5 manifests

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Paweł Lidwin 2026-05-22 17:08:53 +02:00
parent 366777bc06
commit 86be8d1a47
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GPG key ID: 7F66B68FB41B22DA
1 changed files with 6 additions and 3 deletions
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9
legendary/models/manifest.py
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@ -138,7 +138,8 @@ class Manifest:
_m.chunk_data_list = CDL.read(_tmp, _m.meta.feature_level)
_m.file_manifest_list = FML.read(_tmp)
_m.custom_fields = CustomFields.read(_tmp)
_m.encrypted_data = EncryptedData.read(_tmp, _m.meta.feature_level)
if _m.encrypted:
_m.encrypted_data = EncryptedData.read(_tmp, _m.meta.feature_level)
if unhandled_data := _tmp.read():
logger.warning(f'Did not read {len(unhandled_data)} remaining bytes in manifest! '
@ -212,7 +213,7 @@ class Manifest:
self.chunk_data_list.write(body_bio)
self.file_manifest_list.write(body_bio)
self.custom_fields.write(body_bio)
if target_version >= 22:
if target_version >= 22 and self.encrypted_data is not None:
self.encrypted_data.write(body_bio)
self.data = body_bio.getvalue()
@ -596,11 +597,13 @@ class ChunkInfo:
@property
def path(self):
if self._manifest_version >= 22:
guid_invalid = self.secret_guid[0] == self.secret_guid[1] == self.secret_guid[2] == self.secret_guid[3] == 0
secret_b64 = base64.urlsafe_b64encode(struct.pack('<IIII', *self.secret_guid)).decode().strip('=')
secret_part = secret_b64 if not guid_invalid else 'plain'
hash_b64 = base64.urlsafe_b64encode(struct.pack('<Q', self.hash)).decode().strip('=')
guid_b64 = base64.urlsafe_b64encode(struct.pack('<IIII', *self.guid)).decode().strip('=')
return '{}/{}/{:02d}/{}_{}.chunk'.format(
get_chunk_dir(self._manifest_version), secret_b64,
get_chunk_dir(self._manifest_version), secret_part,
self.group_num, hash_b64, guid_b64)
return '{}/{:02d}/{:016X}_{}.chunk'.format(
get_chunk_dir(self._manifest_version), self.group_num,