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Commit | Line | Data |
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15938ab6 PH |
1 | from __future__ import unicode_literals |
2 | ||
d2790370 | 3 | import io |
d5ed35b6 FV |
4 | import json |
5 | import traceback | |
6 | import hashlib | |
ce02ed60 | 7 | import os |
d2790370 | 8 | import subprocess |
46353f67 | 9 | import sys |
d5ed35b6 FV |
10 | from zipimport import zipimporter |
11 | ||
15938ab6 | 12 | from .compat import ( |
ce02ed60 PH |
13 | compat_str, |
14 | compat_urllib_request, | |
15 | ) | |
aa2fd598 | 16 | from .utils import make_HTTPS_handler |
d5ed35b6 FV |
17 | from .version import __version__ |
18 | ||
5f6a1245 | 19 | |
d5ed35b6 FV |
20 | def rsa_verify(message, signature, key): |
21 | from struct import pack | |
22 | from hashlib import sha256 | |
5f6a1245 | 23 | |
15938ab6 | 24 | assert isinstance(message, bytes) |
d5ed35b6 FV |
25 | block_size = 0 |
26 | n = key[0] | |
27 | while n: | |
28 | block_size += 1 | |
29 | n >>= 8 | |
30 | signature = pow(int(signature, 16), key[1], key[0]) | |
31 | raw_bytes = [] | |
32 | while signature: | |
33 | raw_bytes.insert(0, pack("B", signature & 0xFF)) | |
34 | signature >>= 8 | |
15938ab6 PH |
35 | signature = (block_size - len(raw_bytes)) * b'\x00' + b''.join(raw_bytes) |
36 | if signature[0:2] != b'\x00\x01': | |
5f6a1245 | 37 | return False |
d5ed35b6 | 38 | signature = signature[2:] |
15938ab6 | 39 | if b'\x00' not in signature: |
5f6a1245 | 40 | return False |
15938ab6 PH |
41 | signature = signature[signature.index(b'\x00') + 1:] |
42 | if not signature.startswith(b'\x30\x31\x30\x0D\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x01\x05\x00\x04\x20'): | |
5f6a1245 | 43 | return False |
d5ed35b6 | 44 | signature = signature[19:] |
5f6a1245 JW |
45 | if signature != sha256(message).digest(): |
46 | return False | |
d5ed35b6 FV |
47 | return True |
48 | ||
d7386f62 | 49 | |
46353f67 | 50 | def update_self(to_screen, verbose): |
d5ed35b6 FV |
51 | """Update the program file with the latest version from the repository""" |
52 | ||
43ff1a34 | 53 | UPDATE_URL = "http://rg3.github.io/youtube-dl/update/" |
d5ed35b6 FV |
54 | VERSION_URL = UPDATE_URL + 'LATEST_VERSION' |
55 | JSON_URL = UPDATE_URL + 'versions.json' | |
56 | UPDATES_RSA_KEY = (0x9d60ee4d8f805312fdb15a62f87b95bd66177b91df176765d13514a0f1754bcd2057295c5b6f1d35daa6742c3ffc9a82d3e118861c207995a8031e151d863c9927e304576bc80692bc8e094896fcf11b66f3e29e04e3a71e9a11558558acea1840aec37fc396fb6b65dc81a1c4144e03bd1c011de62e3f1357b327d08426fe93, 65537) | |
57 | ||
d5ed35b6 | 58 | if not isinstance(globals().get('__loader__'), zipimporter) and not hasattr(sys, "frozen"): |
15938ab6 | 59 | to_screen('It looks like you installed youtube-dl with a package manager, pip, setup.py or a tarball. Please use that to update.') |
d5ed35b6 FV |
60 | return |
61 | ||
aa2fd598 PH |
62 | https_handler = make_HTTPS_handler(False) |
63 | opener = compat_urllib_request.build_opener(https_handler) | |
64 | ||
d5ed35b6 FV |
65 | # Check if there is a new version |
66 | try: | |
aa2fd598 | 67 | newversion = opener.open(VERSION_URL).read().decode('utf-8').strip() |
d5ed35b6 | 68 | except: |
5f6a1245 JW |
69 | if verbose: |
70 | to_screen(compat_str(traceback.format_exc())) | |
15938ab6 | 71 | to_screen('ERROR: can\'t find the current version. Please try again later.') |
d5ed35b6 FV |
72 | return |
73 | if newversion == __version__: | |
15938ab6 | 74 | to_screen('youtube-dl is up-to-date (' + __version__ + ')') |
d5ed35b6 FV |
75 | return |
76 | ||
77 | # Download and check versions info | |
78 | try: | |
aa2fd598 | 79 | versions_info = opener.open(JSON_URL).read().decode('utf-8') |
d5ed35b6 FV |
80 | versions_info = json.loads(versions_info) |
81 | except: | |
5f6a1245 JW |
82 | if verbose: |
83 | to_screen(compat_str(traceback.format_exc())) | |
15938ab6 | 84 | to_screen('ERROR: can\'t obtain versions info. Please try again later.') |
d5ed35b6 | 85 | return |
83e865a3 | 86 | if 'signature' not in versions_info: |
15938ab6 | 87 | to_screen('ERROR: the versions file is not signed or corrupted. Aborting.') |
d5ed35b6 FV |
88 | return |
89 | signature = versions_info['signature'] | |
90 | del versions_info['signature'] | |
91 | if not rsa_verify(json.dumps(versions_info, sort_keys=True).encode('utf-8'), signature, UPDATES_RSA_KEY): | |
15938ab6 | 92 | to_screen('ERROR: the versions file signature is invalid. Aborting.') |
d5ed35b6 FV |
93 | return |
94 | ||
d2790370 | 95 | version_id = versions_info['latest'] |
d7386f62 PH |
96 | |
97 | def version_tuple(version_str): | |
98 | return tuple(map(int, version_str.split('.'))) | |
2e767313 | 99 | if version_tuple(__version__) >= version_tuple(version_id): |
15938ab6 | 100 | to_screen('youtube-dl is up to date (%s)' % __version__) |
d7386f62 PH |
101 | return |
102 | ||
15938ab6 | 103 | to_screen('Updating to version ' + version_id + ' ...') |
d2790370 | 104 | version = versions_info['versions'][version_id] |
3bf79c75 | 105 | |
46a127ee | 106 | print_notes(to_screen, versions_info['versions']) |
d5ed35b6 | 107 | |
46353f67 PH |
108 | filename = sys.argv[0] |
109 | # Py2EXE: Filename could be different | |
110 | if hasattr(sys, "frozen") and not os.path.isfile(filename): | |
15938ab6 PH |
111 | if os.path.isfile(filename + '.exe'): |
112 | filename += '.exe' | |
46353f67 | 113 | |
d5ed35b6 | 114 | if not os.access(filename, os.W_OK): |
15938ab6 | 115 | to_screen('ERROR: no write permissions on %s' % filename) |
d5ed35b6 FV |
116 | return |
117 | ||
118 | # Py2EXE | |
119 | if hasattr(sys, "frozen"): | |
120 | exe = os.path.abspath(filename) | |
121 | directory = os.path.dirname(exe) | |
122 | if not os.access(directory, os.W_OK): | |
15938ab6 | 123 | to_screen('ERROR: no write permissions on %s' % directory) |
d5ed35b6 FV |
124 | return |
125 | ||
126 | try: | |
aa2fd598 | 127 | urlh = opener.open(version['exe'][0]) |
d5ed35b6 FV |
128 | newcontent = urlh.read() |
129 | urlh.close() | |
0b63aed8 | 130 | except (IOError, OSError): |
5f6a1245 JW |
131 | if verbose: |
132 | to_screen(compat_str(traceback.format_exc())) | |
15938ab6 | 133 | to_screen('ERROR: unable to download latest version') |
d5ed35b6 FV |
134 | return |
135 | ||
136 | newcontent_hash = hashlib.sha256(newcontent).hexdigest() | |
137 | if newcontent_hash != version['exe'][1]: | |
15938ab6 | 138 | to_screen('ERROR: the downloaded file hash does not match. Aborting.') |
d5ed35b6 FV |
139 | return |
140 | ||
141 | try: | |
142 | with open(exe + '.new', 'wb') as outf: | |
143 | outf.write(newcontent) | |
0b63aed8 | 144 | except (IOError, OSError): |
5f6a1245 JW |
145 | if verbose: |
146 | to_screen(compat_str(traceback.format_exc())) | |
15938ab6 | 147 | to_screen('ERROR: unable to write the new version') |
d5ed35b6 FV |
148 | return |
149 | ||
150 | try: | |
151 | bat = os.path.join(directory, 'youtube-dl-updater.bat') | |
d2790370 | 152 | with io.open(bat, 'w') as batfile: |
15938ab6 | 153 | batfile.write(''' |
d2790370 PH |
154 | @echo off |
155 | echo Waiting for file handle to be closed ... | |
d5ed35b6 | 156 | ping 127.0.0.1 -n 5 -w 1000 > NUL |
d2790370 PH |
157 | move /Y "%s.new" "%s" > NUL |
158 | echo Updated youtube-dl to version %s. | |
159 | start /b "" cmd /c del "%%~f0"&exit /b" | |
15938ab6 | 160 | \n''' % (exe, exe, version_id)) |
d5ed35b6 | 161 | |
d2790370 PH |
162 | subprocess.Popen([bat]) # Continues to run in the background |
163 | return # Do not show premature success messages | |
0b63aed8 | 164 | except (IOError, OSError): |
5f6a1245 JW |
165 | if verbose: |
166 | to_screen(compat_str(traceback.format_exc())) | |
15938ab6 | 167 | to_screen('ERROR: unable to overwrite current version') |
d5ed35b6 FV |
168 | return |
169 | ||
170 | # Zip unix package | |
171 | elif isinstance(globals().get('__loader__'), zipimporter): | |
172 | try: | |
aa2fd598 | 173 | urlh = opener.open(version['bin'][0]) |
d5ed35b6 FV |
174 | newcontent = urlh.read() |
175 | urlh.close() | |
0b63aed8 | 176 | except (IOError, OSError): |
5f6a1245 JW |
177 | if verbose: |
178 | to_screen(compat_str(traceback.format_exc())) | |
15938ab6 | 179 | to_screen('ERROR: unable to download latest version') |
d5ed35b6 FV |
180 | return |
181 | ||
182 | newcontent_hash = hashlib.sha256(newcontent).hexdigest() | |
183 | if newcontent_hash != version['bin'][1]: | |
15938ab6 | 184 | to_screen('ERROR: the downloaded file hash does not match. Aborting.') |
d5ed35b6 FV |
185 | return |
186 | ||
187 | try: | |
188 | with open(filename, 'wb') as outf: | |
189 | outf.write(newcontent) | |
0b63aed8 | 190 | except (IOError, OSError): |
5f6a1245 JW |
191 | if verbose: |
192 | to_screen(compat_str(traceback.format_exc())) | |
15938ab6 | 193 | to_screen('ERROR: unable to overwrite current version') |
d5ed35b6 FV |
194 | return |
195 | ||
15938ab6 | 196 | to_screen('Updated youtube-dl. Restart youtube-dl to use the new version.') |
3bf79c75 | 197 | |
5f6a1245 | 198 | |
46a127ee | 199 | def get_notes(versions, fromVersion): |
3bf79c75 | 200 | notes = [] |
5f6a1245 | 201 | for v, vdata in sorted(versions.items()): |
3bf79c75 PH |
202 | if v > fromVersion: |
203 | notes.extend(vdata.get('notes', [])) | |
46a127ee PH |
204 | return notes |
205 | ||
5f6a1245 | 206 | |
46a127ee PH |
207 | def print_notes(to_screen, versions, fromVersion=__version__): |
208 | notes = get_notes(versions, fromVersion) | |
3bf79c75 | 209 | if notes: |
15938ab6 | 210 | to_screen('PLEASE NOTE:') |
3bf79c75 PH |
211 | for note in notes: |
212 | to_screen(note) |