diff options
Diffstat (limited to 'yt_dlp/downloader/external.py')
-rw-r--r-- | yt_dlp/downloader/external.py | 27 |
1 files changed, 5 insertions, 22 deletions
diff --git a/yt_dlp/downloader/external.py b/yt_dlp/downloader/external.py index a0d346c12..025eb38cb 100644 --- a/yt_dlp/downloader/external.py +++ b/yt_dlp/downloader/external.py @@ -6,7 +6,7 @@ import subprocess import sys import time -from .common import FileDownloader +from .fragment import FragmentFD from ..aes import aes_cbc_decrypt_bytes from ..compat import ( compat_setenv, @@ -30,7 +30,7 @@ from ..utils import ( ) -class ExternalFD(FileDownloader): +class ExternalFD(FragmentFD): SUPPORTED_PROTOCOLS = ('http', 'https', 'ftp', 'ftps') can_download_to_stdout = False @@ -142,6 +142,7 @@ class ExternalFD(FileDownloader): self.report_error('Giving up after %s fragment retries' % fragment_retries) return -1 + decrypt_fragment = self.decrypter(info_dict) dest, _ = sanitize_open(tmpfilename, 'wb') for frag_index, fragment in enumerate(info_dict['fragments']): fragment_filename = '%s-Frag%d' % (tmpfilename, frag_index) @@ -153,21 +154,7 @@ class ExternalFD(FileDownloader): continue self.report_error('Unable to open fragment %d' % frag_index) return -1 - decrypt_info = fragment.get('decrypt_info') - if decrypt_info: - if decrypt_info['METHOD'] == 'AES-128': - iv = decrypt_info.get('IV') or compat_struct_pack('>8xq', fragment['media_sequence']) - decrypt_info['KEY'] = decrypt_info.get('KEY') or self.ydl.urlopen( - self._prepare_url(info_dict, info_dict.get('_decryption_key_url') or decrypt_info['URI'])).read() - encrypted_data = src.read() - decrypted_data = aes_cbc_decrypt_bytes(encrypted_data, decrypt_info['KEY'], iv) - dest.write(decrypted_data) - else: - fragment_data = src.read() - dest.write(fragment_data) - else: - fragment_data = src.read() - dest.write(fragment_data) + dest.write(decrypt_fragment(fragment, src.read())) src.close() if not self.params.get('keep_fragments', False): os.remove(encodeFilename(fragment_filename)) @@ -181,10 +168,6 @@ class ExternalFD(FileDownloader): self.to_stderr(stderr.decode('utf-8', 'replace')) return p.returncode - def _prepare_url(self, info_dict, url): - headers = info_dict.get('http_headers') - return sanitized_Request(url, None, headers) if headers else url - class CurlFD(ExternalFD): AVAILABLE_OPT = '-V' @@ -518,7 +501,7 @@ class AVconvFD(FFmpegFD): _BY_NAME = dict( (klass.get_basename(), klass) for name, klass in globals().items() - if name.endswith('FD') and name != 'ExternalFD' + if name.endswith('FD') and name not in ('ExternalFD', 'FragmentFD') ) |