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d5ed35b6 FV |
1 | import json |
2 | import traceback | |
3 | import hashlib | |
4 | from zipimport import zipimporter | |
5 | ||
6 | from .utils import * | |
7 | from .version import __version__ | |
8 | ||
9 | def rsa_verify(message, signature, key): | |
10 | from struct import pack | |
11 | from hashlib import sha256 | |
12 | from sys import version_info | |
13 | def b(x): | |
14 | if version_info[0] == 2: return x | |
15 | else: return x.encode('latin1') | |
16 | assert(type(message) == type(b(''))) | |
17 | block_size = 0 | |
18 | n = key[0] | |
19 | while n: | |
20 | block_size += 1 | |
21 | n >>= 8 | |
22 | signature = pow(int(signature, 16), key[1], key[0]) | |
23 | raw_bytes = [] | |
24 | while signature: | |
25 | raw_bytes.insert(0, pack("B", signature & 0xFF)) | |
26 | signature >>= 8 | |
27 | signature = (block_size - len(raw_bytes)) * b('\x00') + b('').join(raw_bytes) | |
28 | if signature[0:2] != b('\x00\x01'): return False | |
29 | signature = signature[2:] | |
30 | if not b('\x00') in signature: return False | |
31 | signature = signature[signature.index(b('\x00'))+1:] | |
32 | 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 | |
33 | signature = signature[19:] | |
34 | if signature != sha256(message).digest(): return False | |
35 | return True | |
36 | ||
37 | def update_self(to_screen, verbose, filename): | |
38 | """Update the program file with the latest version from the repository""" | |
39 | ||
43ff1a34 | 40 | UPDATE_URL = "http://rg3.github.io/youtube-dl/update/" |
d5ed35b6 FV |
41 | VERSION_URL = UPDATE_URL + 'LATEST_VERSION' |
42 | JSON_URL = UPDATE_URL + 'versions.json' | |
43 | UPDATES_RSA_KEY = (0x9d60ee4d8f805312fdb15a62f87b95bd66177b91df176765d13514a0f1754bcd2057295c5b6f1d35daa6742c3ffc9a82d3e118861c207995a8031e151d863c9927e304576bc80692bc8e094896fcf11b66f3e29e04e3a71e9a11558558acea1840aec37fc396fb6b65dc81a1c4144e03bd1c011de62e3f1357b327d08426fe93, 65537) | |
44 | ||
45 | ||
46 | if not isinstance(globals().get('__loader__'), zipimporter) and not hasattr(sys, "frozen"): | |
47 | to_screen(u'It looks like you installed youtube-dl with pip, setup.py or a tarball. Please use that to update.') | |
48 | return | |
49 | ||
50 | # Check if there is a new version | |
51 | try: | |
52 | newversion = compat_urllib_request.urlopen(VERSION_URL).read().decode('utf-8').strip() | |
53 | except: | |
54 | if verbose: to_screen(compat_str(traceback.format_exc())) | |
55 | to_screen(u'ERROR: can\'t find the current version. Please try again later.') | |
56 | return | |
57 | if newversion == __version__: | |
58 | to_screen(u'youtube-dl is up-to-date (' + __version__ + ')') | |
59 | return | |
60 | ||
61 | # Download and check versions info | |
62 | try: | |
63 | versions_info = compat_urllib_request.urlopen(JSON_URL).read().decode('utf-8') | |
64 | versions_info = json.loads(versions_info) | |
65 | except: | |
66 | if verbose: to_screen(compat_str(traceback.format_exc())) | |
67 | to_screen(u'ERROR: can\'t obtain versions info. Please try again later.') | |
68 | return | |
69 | if not 'signature' in versions_info: | |
70 | to_screen(u'ERROR: the versions file is not signed or corrupted. Aborting.') | |
71 | return | |
72 | signature = versions_info['signature'] | |
73 | del versions_info['signature'] | |
74 | if not rsa_verify(json.dumps(versions_info, sort_keys=True).encode('utf-8'), signature, UPDATES_RSA_KEY): | |
75 | to_screen(u'ERROR: the versions file signature is invalid. Aborting.') | |
76 | return | |
77 | ||
78 | to_screen(u'Updating to version ' + versions_info['latest'] + '...') | |
79 | version = versions_info['versions'][versions_info['latest']] | |
3bf79c75 | 80 | |
46a127ee | 81 | print_notes(to_screen, versions_info['versions']) |
d5ed35b6 FV |
82 | |
83 | if not os.access(filename, os.W_OK): | |
84 | to_screen(u'ERROR: no write permissions on %s' % filename) | |
85 | return | |
86 | ||
87 | # Py2EXE | |
88 | if hasattr(sys, "frozen"): | |
89 | exe = os.path.abspath(filename) | |
90 | directory = os.path.dirname(exe) | |
91 | if not os.access(directory, os.W_OK): | |
92 | to_screen(u'ERROR: no write permissions on %s' % directory) | |
93 | return | |
94 | ||
95 | try: | |
96 | urlh = compat_urllib_request.urlopen(version['exe'][0]) | |
97 | newcontent = urlh.read() | |
98 | urlh.close() | |
99 | except (IOError, OSError) as err: | |
100 | if verbose: to_screen(compat_str(traceback.format_exc())) | |
101 | to_screen(u'ERROR: unable to download latest version') | |
102 | return | |
103 | ||
104 | newcontent_hash = hashlib.sha256(newcontent).hexdigest() | |
105 | if newcontent_hash != version['exe'][1]: | |
106 | to_screen(u'ERROR: the downloaded file hash does not match. Aborting.') | |
107 | return | |
108 | ||
109 | try: | |
110 | with open(exe + '.new', 'wb') as outf: | |
111 | outf.write(newcontent) | |
112 | except (IOError, OSError) as err: | |
113 | if verbose: to_screen(compat_str(traceback.format_exc())) | |
114 | to_screen(u'ERROR: unable to write the new version') | |
115 | return | |
116 | ||
117 | try: | |
118 | bat = os.path.join(directory, 'youtube-dl-updater.bat') | |
119 | b = open(bat, 'w') | |
120 | b.write(""" | |
121 | echo Updating youtube-dl... | |
122 | ping 127.0.0.1 -n 5 -w 1000 > NUL | |
123 | move /Y "%s.new" "%s" | |
124 | del "%s" | |
125 | \n""" %(exe, exe, bat)) | |
126 | b.close() | |
127 | ||
128 | os.startfile(bat) | |
129 | except (IOError, OSError) as err: | |
130 | if verbose: to_screen(compat_str(traceback.format_exc())) | |
131 | to_screen(u'ERROR: unable to overwrite current version') | |
132 | return | |
133 | ||
134 | # Zip unix package | |
135 | elif isinstance(globals().get('__loader__'), zipimporter): | |
136 | try: | |
137 | urlh = compat_urllib_request.urlopen(version['bin'][0]) | |
138 | newcontent = urlh.read() | |
139 | urlh.close() | |
140 | except (IOError, OSError) as err: | |
141 | if verbose: to_screen(compat_str(traceback.format_exc())) | |
142 | to_screen(u'ERROR: unable to download latest version') | |
143 | return | |
144 | ||
145 | newcontent_hash = hashlib.sha256(newcontent).hexdigest() | |
146 | if newcontent_hash != version['bin'][1]: | |
147 | to_screen(u'ERROR: the downloaded file hash does not match. Aborting.') | |
148 | return | |
149 | ||
150 | try: | |
151 | with open(filename, 'wb') as outf: | |
152 | outf.write(newcontent) | |
153 | except (IOError, OSError) as err: | |
154 | if verbose: to_screen(compat_str(traceback.format_exc())) | |
155 | to_screen(u'ERROR: unable to overwrite current version') | |
156 | return | |
157 | ||
158 | to_screen(u'Updated youtube-dl. Restart youtube-dl to use the new version.') | |
3bf79c75 | 159 | |
46a127ee | 160 | def get_notes(versions, fromVersion): |
3bf79c75 PH |
161 | notes = [] |
162 | for v,vdata in sorted(versions.items()): | |
163 | if v > fromVersion: | |
164 | notes.extend(vdata.get('notes', [])) | |
46a127ee PH |
165 | return notes |
166 | ||
167 | def print_notes(to_screen, versions, fromVersion=__version__): | |
168 | notes = get_notes(versions, fromVersion) | |
3bf79c75 PH |
169 | if notes: |
170 | to_screen(u'PLEASE NOTE:') | |
171 | for note in notes: | |
172 | to_screen(note) |