from __future__ import unicode_literals import hashlib import json import os import platform import subprocess import sys import traceback from zipimport import zipimporter from .compat import compat_realpath from .utils import encode_compat_str from .version import __version__ ''' # Not signed def rsa_verify(message, signature, key): from hashlib import sha256 assert isinstance(message, bytes) byte_size = (len(bin(key[0])) - 2 + 8 - 1) // 8 signature = ('%x' % pow(int(signature, 16), key[1], key[0])).encode() signature = (byte_size * 2 - len(signature)) * b'0' + signature asn1 = b'3031300d060960864801650304020105000420' asn1 += sha256(message).hexdigest().encode() if byte_size < len(asn1) // 2 + 11: return False expected = b'0001' + (byte_size - len(asn1) // 2 - 3) * b'ff' + b'00' + asn1 return expected == signature ''' def detect_variant(): if hasattr(sys, 'frozen'): if getattr(sys, '_MEIPASS', None): if sys._MEIPASS == os.path.dirname(sys.executable): return 'dir' return 'exe' return 'py2exe' elif isinstance(globals().get('__loader__'), zipimporter): return 'zip' elif os.path.basename(sys.argv[0]) == '__main__.py': return 'source' return 'unknown' _NON_UPDATEABLE_REASONS = { 'exe': None, 'zip': None, 'dir': 'Auto-update is not supported for unpackaged windows executable. Re-download the latest release', 'py2exe': 'There is no official release for py2exe executable. Build it again with the latest source code', 'source': 'You cannot update when running from source code', 'unknown': 'It looks like you installed yt-dlp with a package manager, pip, setup.py or a tarball. Use that to update', } def is_non_updateable(): return _NON_UPDATEABLE_REASONS.get(detect_variant(), _NON_UPDATEABLE_REASONS['unknown']) def update_self(to_screen, verbose, opener): ''' Exists for backward compatibility. Use run_update(ydl) instead ''' printfn = to_screen class FakeYDL(): _opener = opener to_screen = printfn @staticmethod def report_warning(msg, *args, **kwargs): return printfn('WARNING: %s' % msg, *args, **kwargs) @staticmethod def report_error(msg, tb=None): printfn('ERROR: %s' % msg) if not verbose: return if tb is None: # Copied from YoutubeDl.trouble if sys.exc_info()[0]: tb = '' if hasattr(sys.exc_info()[1], 'exc_info') and sys.exc_info()[1].exc_info[0]: tb += ''.join(traceback.format_exception(*sys.exc_info()[1].exc_info)) tb += encode_compat_str(traceback.format_exc()) else: tb_data = traceback.format_list(traceback.extract_stack()) tb = ''.join(tb_data) if tb: printfn(tb) return run_update(FakeYDL()) def run_update(ydl): """ Update the program file with the latest version from the repository Returns whether the program should terminate """ JSON_URL = 'https://api.github.com/repos/yt-dlp/yt-dlp/releases/latest' def report_error(msg, network=False, expected=False, delim=';'): if network: msg += '%s Visit https://github.com/yt-dlp/yt-dlp/releases/latest' % delim ydl.report_error(msg, tb='' if network or expected else None) def calc_sha256sum(path): h = hashlib.sha256() b = bytearray(128 * 1024) mv = memoryview(b) with open(os.path.realpath(path), 'rb', buffering=0) as f: for n in iter(lambda: f.readinto(mv), 0): h.update(mv[:n]) return h.hexdigest() # Download and check versions info try: version_info = ydl._opener.open(JSON_URL).read().decode('utf-8') version_info = json.loads(version_info) except Exception: return report_error('can\'t obtain versions info. Please try again later ', True, delim='or') def version_tuple(version_str): return tuple(map(int, version_str.split('.'))) version_id = version_info['tag_name'] if version_tuple(__version__) >= version_tuple(version_id): ydl.to_screen(f'yt-dlp is up to date ({__version__})') return err = is_non_updateable() if err: ydl.to_screen(f'Latest version: {version_id}, Current version: {__version__}') return report_error(err, expected=True) # sys.executable is set to the full pathname of the exe-file for py2exe # though symlinks are not followed so that we need to do this manually # with help of realpath filename = compat_realpath(sys.executable if hasattr(sys, 'frozen') else sys.argv[0]) ydl.to_screen(f'Current version {__version__}; Build Hash {calc_sha256sum(filename)}') ydl.to_screen(f'Updating to version {version_id} ...') version_labels = { 'zip_3': '', 'exe_64': '.exe', 'exe_32': '_x86.exe', } def get_bin_info(bin_or_exe, version): label = version_labels['%s_%s' % (bin_or_exe, version)] return next((i for i in version_info['assets'] if i['name'] == 'yt-dlp%s' % label), {}) def get_sha256sum(bin_or_exe, version): filename = 'yt-dlp%s' % version_labels['%s_%s' % (bin_or_exe, version)] urlh = next( (i for i in version_info['assets'] if i['name'] in ('SHA2-256SUMS')), {}).get('browser_download_url') if not urlh: return None hash_data = ydl._opener.open(urlh).read().decode('utf-8') return dict(ln.split()[::-1] for ln in hash_data.splitlines()).get(filename) if not os.access(filename, os.W_OK): return report_error('no write permissions on %s' % filename, expected=True) # PyInstaller if hasattr(sys, 'frozen'): exe = filename directory = os.path.dirname(exe) if not os.access(directory, os.W_OK): return report_error('no write permissions on %s' % directory, expected=True) try: if os.path.exists(filename + '.old'): os.remove(filename + '.old') except (IOError, OSError): return report_error('unable to remove the old version') try: arch = platform.architecture()[0][:2] url = get_bin_info('exe', arch).get('browser_download_url') if not url: return report_error('unable to fetch updates', True) urlh = ydl._opener.open(url) newcontent = urlh.read() urlh.close() except (IOError, OSError, StopIteration): return report_error('unable to download latest version', True) try: with open(exe + '.new', 'wb') as outf: outf.write(newcontent) except (IOError, OSError): return report_error('unable to write the new version') expected_sum = get_sha256sum('exe', arch) if not expected_sum: ydl.report_warning('no hash information found for the release') elif calc_sha256sum(exe + '.new') != expected_sum: report_error('unable to verify the new executable', True) try: os.remove(exe + '.new') except OSError: return report_error('unable to remove corrupt download') try: os.rename(exe, exe + '.old') except (IOError, OSError): return report_error('unable to move current version') try: os.rename(exe + '.new', exe) except (IOError, OSError): report_error('unable to overwrite current version') os.rename(exe + '.old', exe) return try: # Continues to run in the background subprocess.Popen( 'ping 127.0.0.1 -n 5 -w 1000 & del /F "%s.old"' % exe, shell=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL) ydl.to_screen('Updated yt-dlp to version %s' % version_id) return True # Exit app except OSError: report_error('unable to delete old version') # Zip unix package elif isinstance(globals().get('__loader__'), zipimporter): try: url = get_bin_info('zip', '3').get('browser_download_url') if not url: return report_error('unable to fetch updates', True) urlh = ydl._opener.open(url) newcontent = urlh.read() urlh.close() except (IOError, OSError, StopIteration): return report_error('unable to download latest version', True) expected_sum = get_sha256sum('zip', '3') if not expected_sum: ydl.report_warning('no hash information found for the release') elif hashlib.sha256(newcontent).hexdigest() != expected_sum: return report_error('unable to verify the new zip', True) try: with open(filename, 'wb') as outf: outf.write(newcontent) except (IOError, OSError): return report_error('unable to overwrite current version') ydl.to_screen('Updated yt-dlp to version %s; Restart yt-dlp to use the new version' % version_id) ''' # UNUSED def get_notes(versions, fromVersion): notes = [] for v, vdata in sorted(versions.items()): if v > fromVersion: notes.extend(vdata.get('notes', [])) return notes def print_notes(to_screen, versions, fromVersion=__version__): notes = get_notes(versions, fromVersion) if notes: to_screen('PLEASE NOTE:') for note in notes: to_screen(note) '''