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195 lines
7.2 KiB
195 lines
7.2 KiB
import io
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import json
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import traceback
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import hashlib
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import os
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import subprocess
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import sys
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from zipimport import zipimporter
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from .utils import (
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compat_str,
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compat_urllib_request,
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)
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from .version import __version__
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def rsa_verify(message, signature, key):
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from struct import pack
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from hashlib import sha256
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from sys import version_info
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def b(x):
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if version_info[0] == 2: return x
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else: return x.encode('latin1')
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assert(type(message) == type(b('')))
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block_size = 0
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n = key[0]
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while n:
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block_size += 1
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n >>= 8
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signature = pow(int(signature, 16), key[1], key[0])
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raw_bytes = []
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while signature:
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raw_bytes.insert(0, pack("B", signature & 0xFF))
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signature >>= 8
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signature = (block_size - len(raw_bytes)) * b('\x00') + b('').join(raw_bytes)
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if signature[0:2] != b('\x00\x01'): return False
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signature = signature[2:]
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if not b('\x00') in signature: return False
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signature = signature[signature.index(b('\x00'))+1:]
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if not signature.startswith(b('\x30\x31\x30\x0D\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x01\x05\x00\x04\x20')): return False
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signature = signature[19:]
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if signature != sha256(message).digest(): return False
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return True
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def update_self(to_screen, verbose):
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"""Update the program file with the latest version from the repository"""
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UPDATE_URL = "http://rg3.github.io/youtube-dl/update/"
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VERSION_URL = UPDATE_URL + 'LATEST_VERSION'
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JSON_URL = UPDATE_URL + 'versions.json'
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UPDATES_RSA_KEY = (0x9d60ee4d8f805312fdb15a62f87b95bd66177b91df176765d13514a0f1754bcd2057295c5b6f1d35daa6742c3ffc9a82d3e118861c207995a8031e151d863c9927e304576bc80692bc8e094896fcf11b66f3e29e04e3a71e9a11558558acea1840aec37fc396fb6b65dc81a1c4144e03bd1c011de62e3f1357b327d08426fe93, 65537)
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if not isinstance(globals().get('__loader__'), zipimporter) and not hasattr(sys, "frozen"):
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to_screen(u'It looks like you installed youtube-dl with a package manager, pip, setup.py or a tarball. Please use that to update.')
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return
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# Check if there is a new version
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try:
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newversion = compat_urllib_request.urlopen(VERSION_URL).read().decode('utf-8').strip()
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except:
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if verbose: to_screen(compat_str(traceback.format_exc()))
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to_screen(u'ERROR: can\'t find the current version. Please try again later.')
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return
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if newversion == __version__:
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to_screen(u'youtube-dl is up-to-date (' + __version__ + ')')
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return
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# Download and check versions info
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try:
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versions_info = compat_urllib_request.urlopen(JSON_URL).read().decode('utf-8')
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versions_info = json.loads(versions_info)
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except:
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if verbose: to_screen(compat_str(traceback.format_exc()))
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to_screen(u'ERROR: can\'t obtain versions info. Please try again later.')
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return
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if not 'signature' in versions_info:
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to_screen(u'ERROR: the versions file is not signed or corrupted. Aborting.')
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return
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signature = versions_info['signature']
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del versions_info['signature']
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if not rsa_verify(json.dumps(versions_info, sort_keys=True).encode('utf-8'), signature, UPDATES_RSA_KEY):
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to_screen(u'ERROR: the versions file signature is invalid. Aborting.')
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return
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version_id = versions_info['latest']
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def version_tuple(version_str):
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return tuple(map(int, version_str.split('.')))
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if version_tuple(__version__) >= version_tuple(version_id):
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to_screen(u'youtube-dl is up to date (%s)' % __version__)
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return
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to_screen(u'Updating to version ' + version_id + '...')
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version = versions_info['versions'][version_id]
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print_notes(to_screen, versions_info['versions'])
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filename = sys.argv[0]
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# Py2EXE: Filename could be different
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if hasattr(sys, "frozen") and not os.path.isfile(filename):
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if os.path.isfile(filename + u'.exe'):
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filename += u'.exe'
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if not os.access(filename, os.W_OK):
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to_screen(u'ERROR: no write permissions on %s' % filename)
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return
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# Py2EXE
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if hasattr(sys, "frozen"):
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exe = os.path.abspath(filename)
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directory = os.path.dirname(exe)
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if not os.access(directory, os.W_OK):
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to_screen(u'ERROR: no write permissions on %s' % directory)
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return
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try:
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urlh = compat_urllib_request.urlopen(version['exe'][0])
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newcontent = urlh.read()
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urlh.close()
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except (IOError, OSError):
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if verbose: to_screen(compat_str(traceback.format_exc()))
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to_screen(u'ERROR: unable to download latest version')
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return
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newcontent_hash = hashlib.sha256(newcontent).hexdigest()
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if newcontent_hash != version['exe'][1]:
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to_screen(u'ERROR: the downloaded file hash does not match. Aborting.')
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return
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try:
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with open(exe + '.new', 'wb') as outf:
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outf.write(newcontent)
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except (IOError, OSError):
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if verbose: to_screen(compat_str(traceback.format_exc()))
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to_screen(u'ERROR: unable to write the new version')
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return
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try:
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bat = os.path.join(directory, 'youtube-dl-updater.bat')
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with io.open(bat, 'w') as batfile:
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batfile.write(u"""
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@echo off
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echo Waiting for file handle to be closed ...
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ping 127.0.0.1 -n 5 -w 1000 > NUL
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move /Y "%s.new" "%s" > NUL
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echo Updated youtube-dl to version %s.
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start /b "" cmd /c del "%%~f0"&exit /b"
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\n""" % (exe, exe, version_id))
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subprocess.Popen([bat]) # Continues to run in the background
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return # Do not show premature success messages
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except (IOError, OSError):
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if verbose: to_screen(compat_str(traceback.format_exc()))
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to_screen(u'ERROR: unable to overwrite current version')
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return
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# Zip unix package
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elif isinstance(globals().get('__loader__'), zipimporter):
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try:
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urlh = compat_urllib_request.urlopen(version['bin'][0])
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newcontent = urlh.read()
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urlh.close()
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except (IOError, OSError):
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if verbose: to_screen(compat_str(traceback.format_exc()))
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to_screen(u'ERROR: unable to download latest version')
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return
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newcontent_hash = hashlib.sha256(newcontent).hexdigest()
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if newcontent_hash != version['bin'][1]:
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to_screen(u'ERROR: the downloaded file hash does not match. Aborting.')
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return
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try:
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with open(filename, 'wb') as outf:
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outf.write(newcontent)
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except (IOError, OSError):
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if verbose: to_screen(compat_str(traceback.format_exc()))
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to_screen(u'ERROR: unable to overwrite current version')
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return
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to_screen(u'Updated youtube-dl. Restart youtube-dl to use the new version.')
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def get_notes(versions, fromVersion):
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notes = []
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for v,vdata in sorted(versions.items()):
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if v > fromVersion:
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notes.extend(vdata.get('notes', []))
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return notes
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def print_notes(to_screen, versions, fromVersion=__version__):
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notes = get_notes(versions, fromVersion)
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if notes:
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to_screen(u'PLEASE NOTE:')
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for note in notes:
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to_screen(note)
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