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Add CENC and single content key support

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This commit is contained in:
Rafael Moraes
2026-05-20 16:57:25 -03:00
parent da7346f704
commit 97086adfbe
1 changed files with 14 additions and 5 deletions
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gamdl/downloader/song.py
+14 -5
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@@ -57,12 +57,14 @@ class AppleMusicSongDownloader:
output_path: str,
media_id: str,
fairplay_key: str,
use_single_content_key: bool = False,
) -> None:
decrypted_media = await decrypt_wrapper(
self.base.interface.base.wrapper_url + "/decrypt",
media_id,
input_path,
fairplay_key_audio=fairplay_key,
use_single_content_key=use_single_content_key,
)
await write_decrypted_media(decrypted_media, output_path)
@@ -71,12 +73,15 @@ class AppleMusicSongDownloader:
input_path: str,
output_path: str,
decryption_key: str,
use_prefetch_key: bool = False,
*,
use_cenc: bool = False,
use_single_content_key: bool = False,
) -> None:
decrypted_media = await decrypt_file_hex(
decryption_key,
input_path,
use_prefetch_key=use_prefetch_key,
use_cenc=use_cenc,
use_single_content_key=use_single_content_key,
)
await write_decrypted_media(decrypted_media, output_path)
@@ -85,9 +90,10 @@ class AppleMusicSongDownloader:
encrypted_path: str,
staged_path: str,
media_id: str,
web_song_codec: bool,
decryption_key: DecryptionKeyAv | None = None,
fairplay_key: str = None,
use_cenc: bool = False,
use_single_content_key: bool = False,
):
log = logger.bind(
action="stage_song",
@@ -101,7 +107,8 @@ class AppleMusicSongDownloader:
encrypted_path,
staged_path,
decryption_key.audio_track.key,
web_song_codec,
use_cenc=use_cenc,
use_single_content_key=use_single_content_key,
)
else:
await self._decrypt_amdecrypt(
@@ -109,6 +116,7 @@ class AppleMusicSongDownloader:
staged_path,
media_id,
fairplay_key,
use_single_content_key=use_single_content_key,
)
log.debug("success")
@@ -162,9 +170,10 @@ class AppleMusicSongDownloader:
encrypted_path,
download_item.staged_path,
download_item.media.media_id,
download_item.media.stream_info.audio_track.web_song_codec,
download_item.media.decryption_key,
download_item.media.stream_info.audio_track.fairplay_key,
download_item.media.stream_info.audio_track.use_cenc,
download_item.media.stream_info.audio_track.use_single_content_key,
)
cover_bytes = (