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Commit | Line | Data |
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d2790370 | 1 | import io |
d5ed35b6 FV |
2 | import json |
3 | import traceback | |
4 | import hashlib | |
ce02ed60 | 5 | import os |
d2790370 | 6 | import subprocess |
46353f67 | 7 | import sys |
d5ed35b6 FV |
8 | from zipimport import zipimporter |
9 | ||
ce02ed60 PH |
10 | from .utils import ( |
11 | compat_str, | |
12 | compat_urllib_request, | |
13 | ) | |
d5ed35b6 FV |
14 | from .version import __version__ |
15 | ||
16 | def rsa_verify(message, signature, key): | |
17 | from struct import pack | |
18 | from hashlib import sha256 | |
19 | from sys import version_info | |
20 | def b(x): | |
21 | if version_info[0] == 2: return x | |
22 | else: return x.encode('latin1') | |
23 | assert(type(message) == type(b(''))) | |
24 | block_size = 0 | |
25 | n = key[0] | |
26 | while n: | |
27 | block_size += 1 | |
28 | n >>= 8 | |
29 | signature = pow(int(signature, 16), key[1], key[0]) | |
30 | raw_bytes = [] | |
31 | while signature: | |
32 | raw_bytes.insert(0, pack("B", signature & 0xFF)) | |
33 | signature >>= 8 | |
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 | |
42 | return True | |
43 | ||
46353f67 | 44 | def update_self(to_screen, verbose): |
d5ed35b6 FV |
45 | """Update the program file with the latest version from the repository""" |
46 | ||
43ff1a34 | 47 | UPDATE_URL = "http://rg3.github.io/youtube-dl/update/" |
d5ed35b6 FV |
48 | VERSION_URL = UPDATE_URL + 'LATEST_VERSION' |
49 | JSON_URL = UPDATE_URL + 'versions.json' | |
50 | UPDATES_RSA_KEY = (0x9d60ee4d8f805312fdb15a62f87b95bd66177b91df176765d13514a0f1754bcd2057295c5b6f1d35daa6742c3ffc9a82d3e118861c207995a8031e151d863c9927e304576bc80692bc8e094896fcf11b66f3e29e04e3a71e9a11558558acea1840aec37fc396fb6b65dc81a1c4144e03bd1c011de62e3f1357b327d08426fe93, 65537) | |
51 | ||
d5ed35b6 | 52 | if not isinstance(globals().get('__loader__'), zipimporter) and not hasattr(sys, "frozen"): |
f9bd64c0 | 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.') |
d5ed35b6 FV |
54 | return |
55 | ||
56 | # Check if there is a new version | |
57 | try: | |
58 | newversion = compat_urllib_request.urlopen(VERSION_URL).read().decode('utf-8').strip() | |
59 | except: | |
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.') | |
62 | return | |
63 | if newversion == __version__: | |
64 | to_screen(u'youtube-dl is up-to-date (' + __version__ + ')') | |
65 | return | |
66 | ||
67 | # Download and check versions info | |
68 | try: | |
69 | versions_info = compat_urllib_request.urlopen(JSON_URL).read().decode('utf-8') | |
70 | versions_info = json.loads(versions_info) | |
71 | except: | |
72 | if verbose: to_screen(compat_str(traceback.format_exc())) | |
73 | to_screen(u'ERROR: can\'t obtain versions info. Please try again later.') | |
74 | return | |
75 | if not 'signature' in versions_info: | |
76 | to_screen(u'ERROR: the versions file is not signed or corrupted. Aborting.') | |
77 | return | |
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.') | |
82 | return | |
83 | ||
d2790370 PH |
84 | version_id = versions_info['latest'] |
85 | to_screen(u'Updating to version ' + version_id + '...') | |
86 | version = versions_info['versions'][version_id] | |
3bf79c75 | 87 | |
46a127ee | 88 | print_notes(to_screen, versions_info['versions']) |
d5ed35b6 | 89 | |
46353f67 PH |
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'): | |
94 | filename += u'.exe' | |
95 | ||
d5ed35b6 FV |
96 | if not os.access(filename, os.W_OK): |
97 | to_screen(u'ERROR: no write permissions on %s' % filename) | |
98 | return | |
99 | ||
100 | # Py2EXE | |
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) | |
106 | return | |
107 | ||
108 | try: | |
109 | urlh = compat_urllib_request.urlopen(version['exe'][0]) | |
110 | newcontent = urlh.read() | |
111 | urlh.close() | |
0b63aed8 | 112 | except (IOError, OSError): |
d5ed35b6 FV |
113 | if verbose: to_screen(compat_str(traceback.format_exc())) |
114 | to_screen(u'ERROR: unable to download latest version') | |
115 | return | |
116 | ||
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.') | |
120 | return | |
121 | ||
122 | try: | |
123 | with open(exe + '.new', 'wb') as outf: | |
124 | outf.write(newcontent) | |
0b63aed8 | 125 | except (IOError, OSError): |
d5ed35b6 FV |
126 | if verbose: to_screen(compat_str(traceback.format_exc())) |
127 | to_screen(u'ERROR: unable to write the new version') | |
128 | return | |
129 | ||
130 | try: | |
131 | bat = os.path.join(directory, 'youtube-dl-updater.bat') | |
d2790370 PH |
132 | with io.open(bat, 'w') as batfile: |
133 | batfile.write(u""" | |
134 | @echo off | |
135 | echo Waiting for file handle to be closed ... | |
d5ed35b6 | 136 | ping 127.0.0.1 -n 5 -w 1000 > NUL |
d2790370 PH |
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)) | |
d5ed35b6 | 141 | |
d2790370 PH |
142 | subprocess.Popen([bat]) # Continues to run in the background |
143 | return # Do not show premature success messages | |
0b63aed8 | 144 | except (IOError, OSError): |
d5ed35b6 FV |
145 | if verbose: to_screen(compat_str(traceback.format_exc())) |
146 | to_screen(u'ERROR: unable to overwrite current version') | |
147 | return | |
148 | ||
149 | # Zip unix package | |
150 | elif isinstance(globals().get('__loader__'), zipimporter): | |
151 | try: | |
152 | urlh = compat_urllib_request.urlopen(version['bin'][0]) | |
153 | newcontent = urlh.read() | |
154 | urlh.close() | |
0b63aed8 | 155 | except (IOError, OSError): |
d5ed35b6 FV |
156 | if verbose: to_screen(compat_str(traceback.format_exc())) |
157 | to_screen(u'ERROR: unable to download latest version') | |
158 | return | |
159 | ||
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.') | |
163 | return | |
164 | ||
165 | try: | |
166 | with open(filename, 'wb') as outf: | |
167 | outf.write(newcontent) | |
0b63aed8 | 168 | except (IOError, OSError): |
d5ed35b6 FV |
169 | if verbose: to_screen(compat_str(traceback.format_exc())) |
170 | to_screen(u'ERROR: unable to overwrite current version') | |
171 | return | |
172 | ||
173 | to_screen(u'Updated youtube-dl. Restart youtube-dl to use the new version.') | |
3bf79c75 | 174 | |
46a127ee | 175 | def get_notes(versions, fromVersion): |
3bf79c75 PH |
176 | notes = [] |
177 | for v,vdata in sorted(versions.items()): | |
178 | if v > fromVersion: | |
179 | notes.extend(vdata.get('notes', [])) | |
46a127ee PH |
180 | return notes |
181 | ||
182 | def print_notes(to_screen, versions, fromVersion=__version__): | |
183 | notes = get_notes(versions, fromVersion) | |
3bf79c75 PH |
184 | if notes: |
185 | to_screen(u'PLEASE NOTE:') | |
186 | for note in notes: | |
187 | to_screen(note) |