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Add experimental geo restriction bypass mechanism 

Based on faking X-Forwarded-For HTTP header
This commit is contained in:
Sergey M․ 2017-02-04 18:49:58 +07:00 committed by Sergey M
parent bf5b9d859a
commit 773f291dcb
5 changed files with 340 additions and 6 deletions
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17
youtube_dl/YoutubeDL.py
View File

@ -56,6 +56,8 @@ from .utils import (
ExtractorError,
format_bytes,
formatSeconds,
GeoRestrictedError,
ISO3166Utils,
locked_file,
make_HTTPS_handler,
MaxDownloadsReached,
@ -272,6 +274,13 @@ class YoutubeDL(object):
If it returns None, the video is downloaded.
match_filter_func in utils.py is one example for this.
no_color: Do not emit color codes in output.
bypass_geo_restriction:
Bypass geographic restriction via faking X-Forwarded-For
HTTP header (experimental)
bypass_geo_restriction_as_country:
Two-letter ISO 3166-2 country code that will be used for
explicit geographic restriction bypassing via faking
X-Forwarded-For HTTP header (experimental)
The following options determine which downloader is picked:
external_downloader: Executable of the external downloader to call.
@ -707,6 +716,14 @@ class YoutubeDL(object):
return self.process_ie_result(ie_result, download, extra_info)
else:
return ie_result
except GeoRestrictedError as e:
msg = e.msg
if e.countries:
msg += '\nThis video is available in %s.' % ', '.join(
map(ISO3166Utils.short2full, e.countries))
msg += '\nYou might want to use a VPN or a proxy server (with --proxy) to workaround.'
self.report_error(msg)
break
except ExtractorError as e: # An error we somewhat expected
self.report_error(compat_str(e), e.format_traceback())
break

2
youtube_dl/__init__.py
View File

@ -414,6 +414,8 @@ def _real_main(argv=None):
'cn_verification_proxy': opts.cn_verification_proxy,
'geo_verification_proxy': opts.geo_verification_proxy,
'config_location': opts.config_location,
'bypass_geo_restriction': opts.bypass_geo_restriction,
'bypass_geo_restriction_as_country': opts.bypass_geo_restriction_as_country,
}
with YoutubeDL(ydl_opts) as ydl:

48
youtube_dl/extractor/common.py
View File

@ -6,6 +6,7 @@ import hashlib
import json
import netrc
import os
import random
import re
import socket
import sys
@ -39,6 +40,8 @@ from ..utils import (
ExtractorError,
fix_xml_ampersands,
float_or_none,
GeoRestrictedError,
GeoUtils,
int_or_none,
js_to_json,
parse_iso8601,
@ -320,17 +323,25 @@ class InfoExtractor(object):
_real_extract() methods and define a _VALID_URL regexp.
Probably, they should also be added to the list of extractors.
_BYPASS_GEO attribute may be set to False in order to disable
geo restriction bypass mechanisms for a particular extractor.
Though it won't disable explicit geo restriction bypass based on
country code provided with bypass_geo_restriction_as_country.
Finally, the _WORKING attribute should be set to False for broken IEs
in order to warn the users and skip the tests.
"""
_ready = False
_downloader = None
_x_forwarded_for_ip = None
_BYPASS_GEO = True
_WORKING = True
def __init__(self, downloader=None):
"""Constructor. Receives an optional downloader."""
self._ready = False
self._x_forwarded_for_ip = None
self.set_downloader(downloader)
@classmethod
@ -359,6 +370,10 @@ class InfoExtractor(object):
def initialize(self):
"""Initializes an instance (authentication, etc)."""
if not self._x_forwarded_for_ip:
country_code = self._downloader.params.get('bypass_geo_restriction_as_country', None)
if country_code:
self._x_forwarded_for_ip = GeoUtils.random_ipv4(country_code)
if not self._ready:
self._real_initialize()
self._ready = True
@ -366,8 +381,22 @@ class InfoExtractor(object):
def extract(self, url):
"""Extracts URL information and returns it in list of dicts."""
try:
self.initialize()
return self._real_extract(url)
for _ in range(2):
try:
self.initialize()
return self._real_extract(url)
except GeoRestrictedError as e:
if (not self._downloader.params.get('bypass_geo_restriction_as_country', None) and
self._BYPASS_GEO and
self._downloader.params.get('bypass_geo_restriction', True) and
not self._x_forwarded_for_ip and
e.countries):
self._x_forwarded_for_ip = GeoUtils.random_ipv4(random.choice(e.countries))
if self._x_forwarded_for_ip:
self.report_warning(
'Video is geo restricted. Retrying extraction with fake %s IP as X-Forwarded-For.' % self._x_forwarded_for_ip)
continue
raise
except ExtractorError:
raise
except compat_http_client.IncompleteRead as e:
@ -434,6 +463,15 @@ class InfoExtractor(object):
if isinstance(url_or_request, (compat_str, str)):
url_or_request = url_or_request.partition('#')[0]
# Some sites check X-Forwarded-For HTTP header in order to figure out
# the origin of the client behind proxy. This allows bypassing geo
# restriction by faking this header's value to IP that belongs to some
# geo unrestricted country. We will do so once we encounter any
# geo restriction error.
if self._x_forwarded_for_ip:
if 'X-Forwarded-For' not in headers:
headers['X-Forwarded-For'] = self._x_forwarded_for_ip
urlh = self._request_webpage(url_or_request, video_id, note, errnote, fatal, data=data, headers=headers, query=query)
if urlh is False:
assert not fatal
@ -609,10 +647,8 @@ class InfoExtractor(object):
expected=True)
@staticmethod
def raise_geo_restricted(msg='This video is not available from your location due to geo restriction'):
raise ExtractorError(
'%s. You might want to use --proxy to workaround.' % msg,
expected=True)
def raise_geo_restricted(msg='This video is not available from your location due to geo restriction', countries=None):
raise GeoRestrictedError(msg, countries=countries)
# Methods for following #608
@staticmethod

12
youtube_dl/options.py
View File

@ -549,6 +549,18 @@ def parseOpts(overrideArguments=None):
'Upper bound of a range for randomized sleep before each download '
'(maximum possible number of seconds to sleep). Must only be used '
'along with --min-sleep-interval.'))
workarounds.add_option(
'--bypass-geo',
action='store_true', dest='bypass_geo_restriction', default=True,
help='Bypass geographic restriction via faking X-Forwarded-For HTTP header (experimental)')
workarounds.add_option(
'--no-bypass-geo',
action='store_false', dest='bypass_geo_restriction', default=True,
help='Do not bypass geographic restriction via faking X-Forwarded-For HTTP header (experimental)')
workarounds.add_option(
'--bypass-geo-as-country', metavar='CODE',
dest='bypass_geo_restriction_as_country', default=None,
help='Force bypass geographic restriction with explicitly provided two-letter ISO 3166-2 country code (experimental)')
verbosity = optparse.OptionGroup(parser, 'Verbosity / Simulation Options')
verbosity.add_option(

267
youtube_dl/utils.py
View File

@ -23,6 +23,7 @@ import operator
import os
import pipes
import platform
import random
import re
import socket
import ssl
@ -747,6 +748,18 @@ class RegexNotFoundError(ExtractorError):
pass
class GeoRestrictedError(ExtractorError):
"""Geographic restriction Error exception.
This exception may be thrown when a video is not available from your
geographic location due to geographic restrictions imposed by a website.
"""
def __init__(self, msg, countries=None):
super(GeoRestrictedError, self).__init__(msg, expected=True)
self.msg = msg
self.countries = countries
class DownloadError(YoutubeDLError):
"""Download Error exception.
@ -3027,6 +3040,260 @@ class ISO3166Utils(object):
return cls._country_map.get(code.upper())
class GeoUtils(object):
# Major IPv4 address blocks per country
_country_ip_map = {
'AD': '85.94.160.0/19',
'AE': '94.200.0.0/13',
'AF': '149.54.0.0/17',
'AG': '209.59.64.0/18',
'AI': '204.14.248.0/21',
'AL': '46.99.0.0/16',
'AM': '46.70.0.0/15',
'AO': '105.168.0.0/13',
'AP': '159.117.192.0/21',
'AR': '181.0.0.0/12',
'AS': '202.70.112.0/20',
'AT': '84.112.0.0/13',
'AU': '1.128.0.0/11',
'AW': '181.41.0.0/18',
'AZ': '5.191.0.0/16',
'BA': '31.176.128.0/17',
'BB': '65.48.128.0/17',
'BD': '114.130.0.0/16',
'BE': '57.0.0.0/8',
'BF': '129.45.128.0/17',
'BG': '95.42.0.0/15',
'BH': '37.131.0.0/17',
'BI': '154.117.192.0/18',
'BJ': '137.255.0.0/16',
'BL': '192.131.134.0/24',
'BM': '196.12.64.0/18',
'BN': '156.31.0.0/16',
'BO': '161.56.0.0/16',
'BQ': '161.0.80.0/20',
'BR': '152.240.0.0/12',
'BS': '24.51.64.0/18',
'BT': '119.2.96.0/19',
'BW': '168.167.0.0/16',
'BY': '178.120.0.0/13',
'BZ': '179.42.192.0/18',
'CA': '99.224.0.0/11',
'CD': '41.243.0.0/16',
'CF': '196.32.200.0/21',
'CG': '197.214.128.0/17',
'CH': '85.0.0.0/13',
'CI': '154.232.0.0/14',
'CK': '202.65.32.0/19',
'CL': '152.172.0.0/14',
'CM': '165.210.0.0/15',
'CN': '36.128.0.0/10',
'CO': '181.240.0.0/12',
'CR': '201.192.0.0/12',
'CU': '152.206.0.0/15',
'CV': '165.90.96.0/19',
'CW': '190.88.128.0/17',
'CY': '46.198.0.0/15',
'CZ': '88.100.0.0/14',
'DE': '53.0.0.0/8',
'DJ': '197.241.0.0/17',
'DK': '87.48.0.0/12',
'DM': '192.243.48.0/20',
'DO': '152.166.0.0/15',
'DZ': '41.96.0.0/12',
'EC': '186.68.0.0/15',
'EE': '90.190.0.0/15',
'EG': '156.160.0.0/11',
'ER': '196.200.96.0/20',
'ES': '88.0.0.0/11',
'ET': '196.188.0.0/14',
'EU': '2.16.0.0/13',
'FI': '91.152.0.0/13',
'FJ': '144.120.0.0/16',
'FM': '119.252.112.0/20',
'FO': '88.85.32.0/19',
'FR': '90.0.0.0/9',
'GA': '41.158.0.0/15',
'GB': '25.0.0.0/8',
'GD': '74.122.88.0/21',
'GE': '31.146.0.0/16',
'GF': '161.22.64.0/18',
'GG': '62.68.160.0/19',
'GH': '45.208.0.0/14',
'GI': '85.115.128.0/19',
'GL': '88.83.0.0/19',
'GM': '160.182.0.0/15',
'GN': '197.149.192.0/18',
'GP': '104.250.0.0/19',
'GQ': '105.235.224.0/20',
'GR': '94.64.0.0/13',
'GT': '168.234.0.0/16',
'GU': '168.123.0.0/16',
'GW': '197.214.80.0/20',
'GY': '181.41.64.0/18',
'HK': '113.252.0.0/14',
'HN': '181.210.0.0/16',
'HR': '93.136.0.0/13',
'HT': '148.102.128.0/17',
'HU': '84.0.0.0/14',
'ID': '39.192.0.0/10',
'IE': '87.32.0.0/12',
'IL': '79.176.0.0/13',
'IM': '5.62.80.0/20',
'IN': '117.192.0.0/10',
'IO': '203.83.48.0/21',
'IQ': '37.236.0.0/14',
'IR': '2.176.0.0/12',
'IS': '82.221.0.0/16',
'IT': '79.0.0.0/10',
'JE': '87.244.64.0/18',
'JM': '72.27.0.0/17',
'JO': '176.29.0.0/16',
'JP': '126.0.0.0/8',
'KE': '105.48.0.0/12',
'KG': '158.181.128.0/17',
'KH': '36.37.128.0/17',
'KI': '103.25.140.0/22',
'KM': '197.255.224.0/20',
'KN': '198.32.32.0/19',
'KP': '175.45.176.0/22',
'KR': '175.192.0.0/10',
'KW': '37.36.0.0/14',
'KY': '64.96.0.0/15',
'KZ': '2.72.0.0/13',
'LA': '115.84.64.0/18',
'LB': '178.135.0.0/16',
'LC': '192.147.231.0/24',
'LI': '82.117.0.0/19',
'LK': '112.134.0.0/15',
'LR': '41.86.0.0/19',
'LS': '129.232.0.0/17',
'LT': '78.56.0.0/13',
'LU': '188.42.0.0/16',
'LV': '46.109.0.0/16',
'LY': '41.252.0.0/14',
'MA': '105.128.0.0/11',
'MC': '88.209.64.0/18',
'MD': '37.246.0.0/16',
'ME': '178.175.0.0/17',
'MF': '74.112.232.0/21',
'MG': '154.126.0.0/17',
'MH': '117.103.88.0/21',
'MK': '77.28.0.0/15',
'ML': '154.118.128.0/18',
'MM': '37.111.0.0/17',
'MN': '49.0.128.0/17',
'MO': '60.246.0.0/16',
'MP': '202.88.64.0/20',
'MQ': '109.203.224.0/19',
'MR': '41.188.64.0/18',
'MS': '208.90.112.0/22',
'MT': '46.11.0.0/16',
'MU': '105.16.0.0/12',
'MV': '27.114.128.0/18',
'MW': '105.234.0.0/16',
'MX': '187.192.0.0/11',
'MY': '175.136.0.0/13',
'MZ': '197.218.0.0/15',
'NA': '41.182.0.0/16',
'NC': '101.101.0.0/18',
'NE': '197.214.0.0/18',
'NF': '203.17.240.0/22',
'NG': '105.112.0.0/12',
'NI': '186.76.0.0/15',
'NL': '145.96.0.0/11',
'NO': '84.208.0.0/13',
'NP': '36.252.0.0/15',
'NR': '203.98.224.0/19',
'NU': '49.156.48.0/22',
'NZ': '49.224.0.0/14',
'OM': '5.36.0.0/15',
'PA': '186.72.0.0/15',
'PE': '186.160.0.0/14',
'PF': '123.50.64.0/18',
'PG': '124.240.192.0/19',
'PH': '49.144.0.0/13',
'PK': '39.32.0.0/11',
'PL': '83.0.0.0/11',
'PM': '70.36.0.0/20',
'PR': '66.50.0.0/16',
'PS': '188.161.0.0/16',
'PT': '85.240.0.0/13',
'PW': '202.124.224.0/20',
'PY': '181.120.0.0/14',
'QA': '37.210.0.0/15',
'RE': '139.26.0.0/16',
'RO': '79.112.0.0/13',
'RS': '178.220.0.0/14',
'RU': '5.136.0.0/13',
'RW': '105.178.0.0/15',
'SA': '188.48.0.0/13',
'SB': '202.1.160.0/19',
'SC': '154.192.0.0/11',
'SD': '154.96.0.0/13',
'SE': '78.64.0.0/12',
'SG': '152.56.0.0/14',
'SI': '188.196.0.0/14',
'SK': '78.98.0.0/15',
'SL': '197.215.0.0/17',
'SM': '89.186.32.0/19',
'SN': '41.82.0.0/15',
'SO': '197.220.64.0/19',
'SR': '186.179.128.0/17',
'SS': '105.235.208.0/21',
'ST': '197.159.160.0/19',
'SV': '168.243.0.0/16',
'SX': '190.102.0.0/20',
'SY': '5.0.0.0/16',
'SZ': '41.84.224.0/19',
'TC': '65.255.48.0/20',
'TD': '154.68.128.0/19',
'TG': '196.168.0.0/14',
'TH': '171.96.0.0/13',
'TJ': '85.9.128.0/18',
'TK': '27.96.24.0/21',
'TL': '180.189.160.0/20',
'TM': '95.85.96.0/19',
'TN': '197.0.0.0/11',
'TO': '175.176.144.0/21',
'TR': '78.160.0.0/11',
'TT': '186.44.0.0/15',
'TV': '202.2.96.0/19',
'TW': '120.96.0.0/11',
'TZ': '156.156.0.0/14',
'UA': '93.72.0.0/13',
'UG': '154.224.0.0/13',
'US': '3.0.0.0/8',
'UY': '167.56.0.0/13',
'UZ': '82.215.64.0/18',
'VA': '212.77.0.0/19',
'VC': '24.92.144.0/20',
'VE': '186.88.0.0/13',
'VG': '172.103.64.0/18',
'VI': '146.226.0.0/16',
'VN': '14.160.0.0/11',
'VU': '202.80.32.0/20',
'WF': '117.20.32.0/21',
'WS': '202.4.32.0/19',
'YE': '134.35.0.0/16',
'YT': '41.242.116.0/22',
'ZA': '41.0.0.0/11',
'ZM': '165.56.0.0/13',
'ZW': '41.85.192.0/19',
}
@classmethod
def random_ipv4(cls, code):
block = cls._country_ip_map.get(code.upper())
if not block:
return None
addr, preflen = block.split('/')
addr_min = compat_struct_unpack('!L', socket.inet_aton(addr))[0]
addr_max = addr_min | (0xffffffff >> int(preflen))
return socket.inet_ntoa(
compat_struct_pack('!I', random.randint(addr_min, addr_max)))
class PerRequestProxyHandler(compat_urllib_request.ProxyHandler):
def __init__(self, proxies=None):
# Set default handlers