#!/usr/bin/env python
-#
-# Copyright (c) 2006 Ricardo Garcia Gonzalez
-#
-# Permission is hereby granted, free of charge, to any person obtaining a
-# copy of this software and associated documentation files (the "Software"),
-# to deal in the Software without restriction, including without limitation
-# the rights to use, copy, modify, merge, publish, distribute, sublicense,
-# and/or sell copies of the Software, and to permit persons to whom the
-# Software is furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included
-# in all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
-# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
-# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-# OTHER DEALINGS IN THE SOFTWARE.
-#
-# Except as contained in this notice, the name(s) of the above copyright
-# holders shall not be used in advertising or otherwise to promote the
-# sale, use or other dealings in this Software without prior written
-# authorization.
-#
-import sys
-import optparse
-import urllib2
-import re
-# Exit status constants
-exit_failure = 1
-exit_success = 0
+import sys, os
+import json, hashlib
-# Global constants
-const_video_url_str = 'http://www.youtube.com/watch?v=%s'
-const_video_url_re = re.compile(r'http://(?:www\.)?youtube\.com/(?:v/|(?:watch)?\?v=)([^&]+).*')
-const_login_url_str = 'http://www.youtube.com/signup?next=/'
-const_login_post_str = 'current_form=loginForm&next=%%2F&username=%s&password=%s&action_login=Log+In'
-const_age_url_str = 'http://www.youtube.com/verify_age?next_url=/watch%%3Fv%%3D%s'
-const_age_post_str = 'next_url=%%2Fwatch%%3Fv%%3D%s&action_confirm=Confirm'
-const_video_url_params_re = re.compile(r'player2\.swf\?video_id=([^&]+)&.*t=([^&]+)&', re.M)
-const_video_url_real_str = 'http://www.youtube.com/get_video?video_id=%s&t=%s'
-const_1k = 1024
-const_block_size = 10 * const_1k
-
-# Print error message, followed by standard advice information, and then exit
-def error_advice_exit(error_text):
- global exit_failure
- sys.stderr.write('Error: %s.\n' % error_text)
- sys.stderr.write('Try again several times. It may be a temporal problem.\n')
- sys.stderr.write('Other typical problems:\n\n')
- sys.stderr.write('\tVideo no longer exists.\n')
- sys.stderr.write('\tVideo requires age confirmation but you did not provide an account.\n')
- sys.stderr.write('\tYou provided the account data, but it is not valid.\n')
- sys.stderr.write('\tThe connection was cut suddenly for some reason.\n')
- sys.stderr.write('\tYouTube changed their system, and the program no longer works.\n')
- sys.stderr.write('\nTry to confirm you are able to view the video using a web browser.\n')
- sys.stderr.write('Use the same video URL and account information, if needed, with this program.\n')
- sys.stderr.write('Try again several times and contact me if the problem persists.\n')
- sys.exit(exit_failure)
-
-# Wrapper to create custom requests with typical headers
-def request_create(url, data=None):
- retval = urllib2.Request(url)
- if not data is None:
- retval.add_data(data)
- # Try to mimic Firefox, at least a little bit
- retval.add_header('User-Agent', 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.0.6) Gecko/20060728 Firefox/1.5.0.6')
- retval.add_header('Accept-Charset', 'ISO-8859-1,utf-8;q=0.7,*;q=0.7')
- retval.add_header('Accept', 'text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5')
- retval.add_header('Accept-Language', 'en-us,en;q=0.5')
- return retval
-
-# Perform a request, process headers and return response
-def perform_request(url, data=None):
- request = request_create(url, data)
- response = urllib2.urlopen(request)
- return response
-
-# Convert bytes to KiB
-def to_k(bytes):
- global const_1k
- return bytes / const_1k
-
-# Conditional print
-def cond_print(str):
- global cmdl_opts
- if not cmdl_opts.quiet:
- sys.stdout.write(str)
- sys.stdout.flush()
-
-# Create the command line options parser and parse command line
-cmdl_usage = 'usage: %prog [options] video_url'
-cmdl_version = '2006.08.28'
-cmdl_parser = optparse.OptionParser(usage=cmdl_usage, version=cmdl_version, conflict_handler='resolve')
-cmdl_parser.add_option('-h', '--help', action='help', help='print this help text and exit')
-cmdl_parser.add_option('-v', '--version', action='version', help='print program version and exit')
-cmdl_parser.add_option('-u', '--username', dest='username', metavar='USERNAME', help='account username')
-cmdl_parser.add_option('-p', '--password', dest='password', metavar='PASSWORD', help='account password')
-cmdl_parser.add_option('-o', '--output', dest='outfile', metavar='FILE', help='output video file name')
-cmdl_parser.add_option('-q', '--quiet', action='store_true', dest='quiet', help='activates quiet mode')
-cmdl_parser.add_option('-s', '--simulate', action='store_true', dest='simulate', help='do not download video')
-(cmdl_opts, cmdl_args) = cmdl_parser.parse_args()
-
-# Get video URL
-if len(cmdl_args) != 1:
- cmdl_parser.print_help()
- sys.exit(exit_failure)
-video_url_cmdl = cmdl_args[0]
-
-# Verify video URL format and convert to "standard" format
-video_url_mo = const_video_url_re.match(video_url_cmdl)
-if video_url_mo is None:
- sys.exit('Error: URL does not seem to be a youtube video URL. If it is, report a bug.\n')
-video_url_id = video_url_mo.group(1)
-video_url = const_video_url_str % video_url_id
-
-# Check conflicting options
-if not cmdl_opts.outfile is None and cmdl_opts.simulate:
- sys.stderr.write('Warning: video file name given but will not be used.\n')
-
-# Get output file name
-if cmdl_opts.outfile is None:
- video_filename = '%s.flv' % video_url_id
-else:
- video_filename = cmdl_opts.outfile
-
-# Check name
-if not video_filename.lower().endswith('.flv'):
- sys.stderr.write('Warning: video file name does not end in .flv\n')
-
-# Verify both or none present
-if ((cmdl_opts.username is None and not cmdl_opts.password is None) or
- (not cmdl_opts.username is None and cmdl_opts.password is None)):
- sys.exit('Error: both username and password must be given, or none.')
-
-# Test writable file
-if not cmdl_opts.simulate:
- try:
- disk_test = open(video_filename, 'wb')
- disk_test.close()
-
- except (OSError, IOError):
- sys.exit('Error: unable to open %s for writing.' % video_filename)
-
-# Install cookie handler
-urllib2.install_opener(urllib2.build_opener(urllib2.HTTPCookieProcessor()))
-
-# Login and confirm age if needed
-if not cmdl_opts.username is None:
- try:
- # Log in
- cond_print('Logging in... ')
- perform_request(const_login_url_str, const_login_post_str % (cmdl_opts.username, cmdl_opts.password)).read()
- cond_print('done.\n')
-
- except (urllib2.URLError, ValueError):
- cond_print('failed.\n')
- error_advice_exit('unable to login')
-
- except KeyboardInterrupt:
- sys.exit(exit_failure)
-
- try:
- # Get age confirmation cookie
- cond_print('Confirming age... ')
- perform_request(const_age_url_str % video_url_id, const_age_post_str % video_url_id).read()
- cond_print('done.\n')
-
- except (urllib2.URLError, ValueError):
- cond_print('failed.\n')
- error_advice_exit('unable to confirm age')
-
- except KeyboardInterrupt:
- sys.exit(exit_failure)
+try:
+ import urllib.request as compat_urllib_request
+except ImportError: # Python 2
+ import urllib2 as compat_urllib_request
+
+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.io/youtube-dl/download.html, not from the git repository.\n\n')
-# Retrieve video webpage
try:
- cond_print('Retrieving video webpage... ')
- video_webpage = perform_request(video_url).read()
+ raw_input()
+except NameError: # Python 3
+ input()
-except (urllib2.URLError, ValueError):
- cond_print('failed.\n')
- error_advice_exit('unable to download video webpage')
+filename = sys.argv[0]
-except KeyboardInterrupt:
- sys.exit(exit_failure)
+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)
-cond_print('done.\n')
+if not os.access(filename, os.W_OK):
+ sys.exit('ERROR: no write permissions on %s' % filename)
-# Extract needed video URL parameters
try:
- cond_print('Extracting video URL parameters... ')
- video_url_params_mo = const_video_url_params_re.search(video_webpage)
-
- if video_url_params_mo is None:
- cond_print('failed.\n')
- error_advice_exit('unable to extract URL parameters')
-
- video_real_id = video_url_params_mo.group(1)
- video_t_param = video_url_params_mo.group(2)
- video_url_real = const_video_url_real_str % (video_real_id, video_t_param)
- cond_print('done.\n')
-
-except KeyboardInterrupt:
- sys.exit(exit_failure)
+ versions_info = compat_urllib_request.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).encode('utf-8'), signature, UPDATES_RSA_KEY):
+ sys.exit(u'ERROR: the versions file signature is invalid. Aborting.')
+
+version = versions_info['versions'][versions_info['latest']]
-# Retrieve video data
try:
- video_data = perform_request(video_url_real)
- cond_print('Video data found at %s\n' % video_data.geturl())
-
- # Abort here if in simulate mode
- if cmdl_opts.simulate:
- sys.exit()
-
- cond_print('Retrieving video data... ')
- video_file = open(video_filename, 'wb')
- try:
- video_len_str = '%sk' % to_k(int(video_data.info()['Content-length']))
- except KeyError:
- video_len_str = '(unknown)'
+ urlh = compat_urllib_request.urlopen(version['bin'][0])
+ newcontent = urlh.read()
+ urlh.close()
+except (IOError, OSError) as err:
+ sys.exit('ERROR: unable to download latest version')
- byte_counter = 0
- video_block = video_data.read(const_block_size)
- while len(video_block) != 0:
- byte_counter += len(video_block)
- video_file.write(video_block)
- cond_print('\rRetrieving video data... %sk of %s ' % (to_k(byte_counter), video_len_str))
- video_block = video_data.read(const_block_size)
+newcontent_hash = hashlib.sha256(newcontent).hexdigest()
+if newcontent_hash != version['bin'][1]:
+ sys.exit(u'ERROR: the downloaded file hash does not match. Aborting.')
- video_file.close()
-
-except (urllib2.URLError, ValueError):
- cond_print('failed.\n')
- error_advice_exit('unable to download video data')
-
-except KeyboardInterrupt:
- sys.exit(exit_failure)
+try:
+ with open(filename, 'wb') as outf:
+ outf.write(newcontent)
+except (IOError, OSError) as err:
+ sys.exit('ERROR: unable to overwrite current version')
-cond_print('done.\n')
-cond_print('Video data saved to %s\n' % video_filename)
-sys.exit()
+sys.stderr.write(u'Done! Now you can run youtube-dl.\n')
Rapsys Git / youtubedl / blobdiff