8 from zipimport import zipimporter
12 compat_urllib_request,
14 from .version import __version__
16 def rsa_verify(message, signature, key):
17 from struct import pack
18 from hashlib import sha256
19 from sys import version_info
21 if version_info[0] == 2: return x
22 else: return x.encode('latin1')
23 assert(type(message) == type(b('')))
29 signature = pow(int(signature, 16), key[1], key[0])
32 raw_bytes.insert(0, pack("B", signature & 0xFF))
34 signature = (block_size - len(raw_bytes)) * b('\x00') + b('').join(raw_bytes)
35 if signature[0:2] != b('\x00\x01'): return False
36 signature = signature[2:]
37 if not b('\x00') in signature: return False
38 signature = signature[signature.index(b('\x00'))+1:]
39 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
40 signature = signature[19:]
41 if signature != sha256(message).digest(): return False
44 def update_self(to_screen, verbose):
45 """Update the program file with the latest version from the repository"""
47 UPDATE_URL = "http://rg3.github.io/youtube-dl/update/"
48 VERSION_URL = UPDATE_URL + 'LATEST_VERSION'
49 JSON_URL = UPDATE_URL + 'versions.json'
50 UPDATES_RSA_KEY = (0x9d60ee4d8f805312fdb15a62f87b95bd66177b91df176765d13514a0f1754bcd2057295c5b6f1d35daa6742c3ffc9a82d3e118861c207995a8031e151d863c9927e304576bc80692bc8e094896fcf11b66f3e29e04e3a71e9a11558558acea1840aec37fc396fb6b65dc81a1c4144e03bd1c011de62e3f1357b327d08426fe93, 65537)
52 if not isinstance(globals().get('__loader__'), zipimporter) and not hasattr(sys, "frozen"):
53 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.')
56 # Check if there is a new version
58 newversion = compat_urllib_request.urlopen(VERSION_URL).read().decode('utf-8').strip()
60 if verbose: to_screen(compat_str(traceback.format_exc()))
61 to_screen(u'ERROR: can\'t find the current version. Please try again later.')
63 if newversion == __version__:
64 to_screen(u'youtube-dl is up-to-date (' + __version__ + ')')
67 # Download and check versions info
69 versions_info = compat_urllib_request.urlopen(JSON_URL).read().decode('utf-8')
70 versions_info = json.loads(versions_info)
72 if verbose: to_screen(compat_str(traceback.format_exc()))
73 to_screen(u'ERROR: can\'t obtain versions info. Please try again later.')
75 if not 'signature' in versions_info:
76 to_screen(u'ERROR: the versions file is not signed or corrupted. Aborting.')
78 signature = versions_info['signature']
79 del versions_info['signature']
80 if not rsa_verify(json.dumps(versions_info, sort_keys=True).encode('utf-8'), signature, UPDATES_RSA_KEY):
81 to_screen(u'ERROR: the versions file signature is invalid. Aborting.')
84 version_id = versions_info['latest']
85 to_screen(u'Updating to version ' + version_id + '...')
86 version = versions_info['versions'][version_id]
88 print_notes(to_screen, versions_info['versions'])
90 filename = sys.argv[0]
91 # Py2EXE: Filename could be different
92 if hasattr(sys, "frozen") and not os.path.isfile(filename):
93 if os.path.isfile(filename + u'.exe'):
96 if not os.access(filename, os.W_OK):
97 to_screen(u'ERROR: no write permissions on %s' % filename)
101 if hasattr(sys, "frozen"):
102 exe = os.path.abspath(filename)
103 directory = os.path.dirname(exe)
104 if not os.access(directory, os.W_OK):
105 to_screen(u'ERROR: no write permissions on %s' % directory)
109 urlh = compat_urllib_request.urlopen(version['exe'][0])
110 newcontent = urlh.read()
112 except (IOError, OSError) as err:
113 if verbose: to_screen(compat_str(traceback.format_exc()))
114 to_screen(u'ERROR: unable to download latest version')
117 newcontent_hash = hashlib.sha256(newcontent).hexdigest()
118 if newcontent_hash != version['exe'][1]:
119 to_screen(u'ERROR: the downloaded file hash does not match. Aborting.')
123 with open(exe + '.new', 'wb') as outf:
124 outf.write(newcontent)
125 except (IOError, OSError) as err:
126 if verbose: to_screen(compat_str(traceback.format_exc()))
127 to_screen(u'ERROR: unable to write the new version')
131 bat = os.path.join(directory, 'youtube-dl-updater.bat')
132 with io.open(bat, 'w') as batfile:
135 echo Waiting for file handle to be closed ...
136 ping 127.0.0.1 -n 5 -w 1000 > NUL
137 move /Y "%s.new" "%s" > NUL
138 echo Updated youtube-dl to version %s.
139 start /b "" cmd /c del "%%~f0"&exit /b"
140 \n""" % (exe, exe, version_id))
142 subprocess.Popen([bat]) # Continues to run in the background
143 return # Do not show premature success messages
144 except (IOError, OSError) as err:
145 if verbose: to_screen(compat_str(traceback.format_exc()))
146 to_screen(u'ERROR: unable to overwrite current version')
150 elif isinstance(globals().get('__loader__'), zipimporter):
152 urlh = compat_urllib_request.urlopen(version['bin'][0])
153 newcontent = urlh.read()
155 except (IOError, OSError) as err:
156 if verbose: to_screen(compat_str(traceback.format_exc()))
157 to_screen(u'ERROR: unable to download latest version')
160 newcontent_hash = hashlib.sha256(newcontent).hexdigest()
161 if newcontent_hash != version['bin'][1]:
162 to_screen(u'ERROR: the downloaded file hash does not match. Aborting.')
166 with open(filename, 'wb') as outf:
167 outf.write(newcontent)
168 except (IOError, OSError) as err:
169 if verbose: to_screen(compat_str(traceback.format_exc()))
170 to_screen(u'ERROR: unable to overwrite current version')
173 to_screen(u'Updated youtube-dl. Restart youtube-dl to use the new version.')
175 def get_notes(versions, fromVersion):
177 for v,vdata in sorted(versions.items()):
179 notes.extend(vdata.get('notes', []))
182 def print_notes(to_screen, versions, fromVersion=__version__):
183 notes = get_notes(versions, fromVersion)
185 to_screen(u'PLEASE NOTE:')