-#!/usr/bin/env python
-
-import sys, os
-import urllib2
-import json, hashlib
-
-def rsa_verify(message, signature, key):
- from struct import pack
- from hashlib import sha256
- from sys import version_info
- def b(x):
- if version_info[0] == 2: return x
- else: return x.encode('latin1')
- assert(type(message) == type(b('')))
- block_size = 0
- n = key[0]
- while n:
- block_size += 1
- n >>= 8
- signature = pow(int(signature, 16), key[1], key[0])
- raw_bytes = []
- while signature:
- raw_bytes.insert(0, pack("B", signature & 0xFF))
- signature >>= 8
- signature = (block_size - len(raw_bytes)) * b('\x00') + b('').join(raw_bytes)
- if signature[0:2] != b('\x00\x01'): return False
- signature = signature[2:]
- if not b('\x00') in signature: return False
- signature = signature[signature.index(b('\x00'))+1:]
- 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
- signature = signature[19:]
- if signature != sha256(message).digest(): return False
- return True
-
-sys.stderr.write(u'Hi! We changed distribution method and now youtube-dl needs to update itself one more time.\n')
-sys.stderr.write(u'This will only happen once. Simply press enter to go on. Sorry for the trouble!\n')
-sys.stderr.write(u'From now on, get the binaries from http://rg3.github.com/youtube-dl/download.html, not from the git repository.\n\n')
-
-raw_input()
-
-filename = sys.argv[0]
-
-UPDATE_URL = "http://rg3.github.io/youtube-dl/update/"
-VERSION_URL = UPDATE_URL + 'LATEST_VERSION'
-JSON_URL = UPDATE_URL + 'versions.json'
-UPDATES_RSA_KEY = (0x9d60ee4d8f805312fdb15a62f87b95bd66177b91df176765d13514a0f1754bcd2057295c5b6f1d35daa6742c3ffc9a82d3e118861c207995a8031e151d863c9927e304576bc80692bc8e094896fcf11b66f3e29e04e3a71e9a11558558acea1840aec37fc396fb6b65dc81a1c4144e03bd1c011de62e3f1357b327d08426fe93, 65537)
-
-if not os.access(filename, os.W_OK):
- sys.exit('ERROR: no write permissions on %s' % filename)
-
-exe = os.path.abspath(filename)
-directory = os.path.dirname(exe)
-if not os.access(directory, os.W_OK):
- sys.exit('ERROR: no write permissions on %s' % directory)
-
-try:
- versions_info = urllib2.urlopen(JSON_URL).read().decode('utf-8')
- versions_info = json.loads(versions_info)
-except:
- sys.exit(u'ERROR: can\'t obtain versions info. Please try again later.')
-if not 'signature' in versions_info:
- sys.exit(u'ERROR: the versions file is not signed or corrupted. Aborting.')
-signature = versions_info['signature']
-del versions_info['signature']
-if not rsa_verify(json.dumps(versions_info, sort_keys=True), signature, UPDATES_RSA_KEY):
- sys.exit(u'ERROR: the versions file signature is invalid. Aborting.')
-
-version = versions_info['versions'][versions_info['latest']]
-
-try:
- urlh = urllib2.urlopen(version['exe'][0])
- newcontent = urlh.read()
- urlh.close()
-except (IOError, OSError) as err:
- sys.exit('ERROR: unable to download latest version')
-
-newcontent_hash = hashlib.sha256(newcontent).hexdigest()
-if newcontent_hash != version['exe'][1]:
- sys.exit(u'ERROR: the downloaded file hash does not match. Aborting.')
-
-try:
- with open(exe + '.new', 'wb') as outf:
- outf.write(newcontent)
-except (IOError, OSError) as err:
- sys.exit(u'ERROR: unable to write the new version')
-
-try:
- bat = os.path.join(directory, 'youtube-dl-updater.bat')
- b = open(bat, 'w')
- b.write("""
-echo Updating youtube-dl...
-ping 127.0.0.1 -n 5 -w 1000 > NUL
-move /Y "%s.new" "%s"
-del "%s"
- \n""" %(exe, exe, bat))
- b.close()
-
- os.startfile(bat)
-except (IOError, OSError) as err:
- sys.exit('ERROR: unable to overwrite current version')
-
-sys.stderr.write(u'Done! Now you can run youtube-dl.\n')