743 lines
28 KiB
Python
743 lines
28 KiB
Python
import logging
|
|
import re
|
|
import sys
|
|
import ssl
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|
import requests
|
|
|
|
try:
|
|
import copyreg
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|
except ImportError:
|
|
import copy_reg as copyreg
|
|
|
|
try:
|
|
from HTMLParser import HTMLParser
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|
except ImportError:
|
|
if sys.version_info >= (3, 4):
|
|
import html
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|
else:
|
|
from html.parser import HTMLParser
|
|
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|
from copy import deepcopy
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from time import sleep
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from collections import OrderedDict
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|
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from requests.sessions import Session
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from requests.adapters import HTTPAdapter
|
|
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|
from .exceptions import (
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CloudflareLoopProtection,
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CloudflareCode1020,
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CloudflareIUAMError,
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CloudflareChallengeError,
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CloudflareReCaptchaError,
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CloudflareReCaptchaProvider
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)
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|
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from .interpreters import JavaScriptInterpreter
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from .reCaptcha import reCaptcha
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from .user_agent import User_Agent
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|
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try:
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from requests_toolbelt.utils import dump
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except ImportError:
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pass
|
|
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|
try:
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import brotli
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except ImportError:
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pass
|
|
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|
try:
|
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from urlparse import urlparse, urljoin
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|
except ImportError:
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from urllib.parse import urlparse, urljoin
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|
|
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# ------------------------------------------------------------------------------- #
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__version__ = '1.2.39'
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# ------------------------------------------------------------------------------- #
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|
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class CipherSuiteAdapter(HTTPAdapter):
|
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__attrs__ = [
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'ssl_context',
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'max_retries',
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'config',
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'_pool_connections',
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'_pool_maxsize',
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'_pool_block'
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]
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def __init__(self, *args, **kwargs):
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self.ssl_context = kwargs.pop('ssl_context', None)
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self.cipherSuite = kwargs.pop('cipherSuite', None)
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if not self.ssl_context:
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self.ssl_context = ssl.create_default_context(ssl.Purpose.SERVER_AUTH)
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self.ssl_context.set_ciphers(self.cipherSuite)
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self.ssl_context.set_ecdh_curve('prime256v1')
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self.ssl_context.options |= (ssl.OP_NO_SSLv2 | ssl.OP_NO_SSLv3 | ssl.OP_NO_TLSv1 | ssl.OP_NO_TLSv1_1)
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super(CipherSuiteAdapter, self).__init__(**kwargs)
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# ------------------------------------------------------------------------------- #
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def init_poolmanager(self, *args, **kwargs):
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kwargs['ssl_context'] = self.ssl_context
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return super(CipherSuiteAdapter, self).init_poolmanager(*args, **kwargs)
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# ------------------------------------------------------------------------------- #
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def proxy_manager_for(self, *args, **kwargs):
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kwargs['ssl_context'] = self.ssl_context
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return super(CipherSuiteAdapter, self).proxy_manager_for(*args, **kwargs)
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# ------------------------------------------------------------------------------- #
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class CloudScraper(Session):
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def __init__(self, *args, **kwargs):
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self.debug = kwargs.pop('debug', False)
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self.delay = kwargs.pop('delay', None)
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self.cipherSuite = kwargs.pop('cipherSuite', None)
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self.ssl_context = kwargs.pop('ssl_context', None)
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self.interpreter = kwargs.pop('interpreter', 'native')
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self.recaptcha = kwargs.pop('recaptcha', {})
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self.requestPreHook = kwargs.pop('requestPreHook', None)
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self.requestPostHook = kwargs.pop('requestPostHook', None)
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self.allow_brotli = kwargs.pop(
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'allow_brotli',
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True if 'brotli' in sys.modules.keys() else False
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)
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self.user_agent = User_Agent(
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allow_brotli=self.allow_brotli,
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browser=kwargs.pop('browser', None)
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)
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self._solveDepthCnt = 0
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self.solveDepth = kwargs.pop('solveDepth', 3)
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super(CloudScraper, self).__init__(*args, **kwargs)
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# pylint: disable=E0203
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if 'requests' in self.headers['User-Agent']:
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# ------------------------------------------------------------------------------- #
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# Set a random User-Agent if no custom User-Agent has been set
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# ------------------------------------------------------------------------------- #
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self.headers = self.user_agent.headers
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if not self.cipherSuite:
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self.cipherSuite = self.user_agent.cipherSuite
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|
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if isinstance(self.cipherSuite, list):
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self.cipherSuite = ':'.join(self.cipherSuite)
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self.mount(
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'https://',
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CipherSuiteAdapter(
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cipherSuite=self.cipherSuite,
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ssl_context=self.ssl_context
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)
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)
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# purely to allow us to pickle dump
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copyreg.pickle(ssl.SSLContext, lambda obj: (obj.__class__, (obj.protocol,)))
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# ------------------------------------------------------------------------------- #
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# Allow us to pickle our session back with all variables
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# ------------------------------------------------------------------------------- #
|
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def __getstate__(self):
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return self.__dict__
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# ------------------------------------------------------------------------------- #
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# Raise an Exception with no stacktrace and reset depth counter.
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|
# ------------------------------------------------------------------------------- #
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|
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def simpleException(self, exception, msg):
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self._solveDepthCnt = 0
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sys.tracebacklimit = 0
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raise exception(msg)
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# ------------------------------------------------------------------------------- #
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# debug the request via the response
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|
# ------------------------------------------------------------------------------- #
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@staticmethod
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def debugRequest(req):
|
|
try:
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print(dump.dump_all(req).decode('utf-8'))
|
|
except ValueError as e:
|
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print("Debug Error: {}".format(getattr(e, 'message', e)))
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|
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# ------------------------------------------------------------------------------- #
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# Unescape / decode html entities
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# ------------------------------------------------------------------------------- #
|
|
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@staticmethod
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|
def unescape(html_text):
|
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if sys.version_info >= (3, 0):
|
|
if sys.version_info >= (3, 4):
|
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return html.unescape(html_text)
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|
|
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return HTMLParser().unescape(html_text)
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return HTMLParser().unescape(html_text)
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|
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# ------------------------------------------------------------------------------- #
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|
# Decode Brotli on older versions of urllib3 manually
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|
# ------------------------------------------------------------------------------- #
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|
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def decodeBrotli(self, resp):
|
|
if requests.packages.urllib3.__version__ < '1.25.1' and resp.headers.get('Content-Encoding') == 'br':
|
|
if self.allow_brotli and resp._content:
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resp._content = brotli.decompress(resp.content)
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else:
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|
logging.warning(
|
|
'You\'re running urllib3 {}, Brotli content detected, '
|
|
'Which requires manual decompression, '
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|
'But option allow_brotli is set to False, '
|
|
'We will not continue to decompress.'.format(requests.packages.urllib3.__version__)
|
|
)
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|
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return resp
|
|
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|
# ------------------------------------------------------------------------------- #
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# Our hijacker request function
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|
# ------------------------------------------------------------------------------- #
|
|
|
|
def request(self, method, url, *args, **kwargs):
|
|
# pylint: disable=E0203
|
|
if kwargs.get('proxies') and kwargs.get('proxies') != self.proxies:
|
|
self.proxies = kwargs.get('proxies')
|
|
|
|
# ------------------------------------------------------------------------------- #
|
|
# Pre-Hook the request via user defined function.
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|
# ------------------------------------------------------------------------------- #
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|
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|
if self.requestPreHook:
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(method, url, kwargs) = self.requestPreHook(self, method, url, kwargs)
|
|
|
|
# ------------------------------------------------------------------------------- #
|
|
# Make the request via requests.
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|
# ------------------------------------------------------------------------------- #
|
|
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|
response = self.decodeBrotli(
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super(CloudScraper, self).request(method, url, *args, **kwargs)
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|
)
|
|
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# ------------------------------------------------------------------------------- #
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# Debug the request via the Response object.
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|
# ------------------------------------------------------------------------------- #
|
|
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|
if self.debug:
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self.debugRequest(response)
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# ------------------------------------------------------------------------------- #
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# Post-Hook the request aka Post-Hook the response via user defined function.
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|
# ------------------------------------------------------------------------------- #
|
|
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|
if self.requestPostHook:
|
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response = self.requestPostHook(self, response)
|
|
|
|
if self.debug:
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|
self.debugRequest(response)
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|
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|
# Check if Cloudflare anti-bot is on
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|
if self.is_Challenge_Request(response):
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|
# ------------------------------------------------------------------------------- #
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# Try to solve the challenge and send it back
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|
# ------------------------------------------------------------------------------- #
|
|
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|
if self._solveDepthCnt >= self.solveDepth:
|
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_ = self._solveDepthCnt
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self.simpleException(
|
|
CloudflareLoopProtection,
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|
"!!Loop Protection!! We have tried to solve {} time(s) in a row.".format(_)
|
|
)
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self._solveDepthCnt += 1
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response = self.Challenge_Response(response, **kwargs)
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|
else:
|
|
if not response.is_redirect and response.status_code not in [429, 503]:
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|
self._solveDepthCnt = 0
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|
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return response
|
|
|
|
# ------------------------------------------------------------------------------- #
|
|
# check if the response contains a valid Cloudflare challenge
|
|
# ------------------------------------------------------------------------------- #
|
|
|
|
@staticmethod
|
|
def is_IUAM_Challenge(resp):
|
|
try:
|
|
return (
|
|
resp.headers.get('Server', '').startswith('cloudflare')
|
|
and resp.status_code in [429, 503]
|
|
and re.search(
|
|
r'<form .*?="challenge-form" action="/.*?__cf_chl_jschl_tk__=\S+"',
|
|
resp.text,
|
|
re.M | re.S
|
|
)
|
|
)
|
|
except AttributeError:
|
|
pass
|
|
|
|
return False
|
|
|
|
# ------------------------------------------------------------------------------- #
|
|
# check if the response contains new Cloudflare challenge
|
|
# ------------------------------------------------------------------------------- #
|
|
|
|
@staticmethod
|
|
def is_New_IUAM_Challenge(resp):
|
|
try:
|
|
return (
|
|
resp.headers.get('Server', '').startswith('cloudflare')
|
|
and resp.status_code in [429, 503]
|
|
and re.search(
|
|
r'cpo.src\s*=\s*"/cdn-cgi/challenge-platform/orchestrate/jsch/v1"',
|
|
resp.text,
|
|
re.M | re.S
|
|
)
|
|
)
|
|
except AttributeError:
|
|
pass
|
|
|
|
return False
|
|
|
|
# ------------------------------------------------------------------------------- #
|
|
# check if the response contains a valid Cloudflare reCaptcha challenge
|
|
# ------------------------------------------------------------------------------- #
|
|
|
|
@staticmethod
|
|
def is_reCaptcha_Challenge(resp):
|
|
try:
|
|
return (
|
|
resp.headers.get('Server', '').startswith('cloudflare')
|
|
and resp.status_code == 403
|
|
and re.search(
|
|
r'action="/.*?__cf_chl_captcha_tk__=\S+".*?data\-sitekey=.*?',
|
|
resp.text,
|
|
re.M | re.DOTALL
|
|
)
|
|
)
|
|
except AttributeError:
|
|
pass
|
|
|
|
return False
|
|
|
|
# ------------------------------------------------------------------------------- #
|
|
# check if the response contains Firewall 1020 Error
|
|
# ------------------------------------------------------------------------------- #
|
|
|
|
@staticmethod
|
|
def is_Firewall_Blocked(resp):
|
|
try:
|
|
return (
|
|
resp.headers.get('Server', '').startswith('cloudflare')
|
|
and resp.status_code == 403
|
|
and re.search(
|
|
r'<span class="cf-error-code">1020</span>',
|
|
resp.text,
|
|
re.M | re.DOTALL
|
|
)
|
|
)
|
|
except AttributeError:
|
|
pass
|
|
|
|
return False
|
|
|
|
# ------------------------------------------------------------------------------- #
|
|
# Wrapper for is_reCaptcha_Challenge, is_IUAM_Challenge, is_Firewall_Blocked
|
|
# ------------------------------------------------------------------------------- #
|
|
|
|
def is_Challenge_Request(self, resp):
|
|
if self.is_Firewall_Blocked(resp):
|
|
self.simpleException(
|
|
CloudflareCode1020,
|
|
'Cloudflare has blocked this request (Code 1020 Detected).'
|
|
)
|
|
|
|
if self.is_New_IUAM_Challenge(resp):
|
|
self.simpleException(
|
|
CloudflareChallengeError,
|
|
'Detected the new Cloudflare challenge.'
|
|
)
|
|
|
|
if self.is_reCaptcha_Challenge(resp) or self.is_IUAM_Challenge(resp):
|
|
if self.debug:
|
|
print('Detected Challenge.')
|
|
return True
|
|
|
|
return False
|
|
|
|
# ------------------------------------------------------------------------------- #
|
|
# Try to solve cloudflare javascript challenge.
|
|
# ------------------------------------------------------------------------------- #
|
|
|
|
def IUAM_Challenge_Response(self, body, url, interpreter):
|
|
try:
|
|
formPayload = re.search(
|
|
r'<form (?P<form>.*?="challenge-form" '
|
|
r'action="(?P<challengeUUID>.*?'
|
|
r'__cf_chl_jschl_tk__=\S+)"(.*?)</form>)',
|
|
body,
|
|
re.M | re.DOTALL
|
|
).groupdict()
|
|
|
|
if not all(key in formPayload for key in ['form', 'challengeUUID']):
|
|
self.simpleException(
|
|
CloudflareIUAMError,
|
|
"Cloudflare IUAM detected, unfortunately we can't extract the parameters correctly."
|
|
)
|
|
|
|
payload = OrderedDict()
|
|
for challengeParam in re.findall(r'^\s+<input\s(.*?)/>', formPayload['form'], re.M | re.S):
|
|
inputPayload = dict(re.findall(r'(\S+)="(\S+)"', challengeParam))
|
|
if inputPayload.get('name') in ['r', 'jschl_vc', 'pass']:
|
|
payload.update({inputPayload['name']: inputPayload['value']})
|
|
|
|
except AttributeError:
|
|
self.simpleException(
|
|
CloudflareIUAMError,
|
|
"Cloudflare IUAM detected, unfortunately we can't extract the parameters correctly."
|
|
)
|
|
|
|
hostParsed = urlparse(url)
|
|
|
|
try:
|
|
payload['jschl_answer'] = JavaScriptInterpreter.dynamicImport(
|
|
interpreter
|
|
).solveChallenge(body, hostParsed.netloc)
|
|
except Exception as e:
|
|
self.simpleException(
|
|
CloudflareIUAMError,
|
|
'Unable to parse Cloudflare anti-bots page: {}'.format(
|
|
getattr(e, 'message', e)
|
|
)
|
|
)
|
|
|
|
return {
|
|
'url': '{}://{}{}'.format(
|
|
hostParsed.scheme,
|
|
hostParsed.netloc,
|
|
self.unescape(formPayload['challengeUUID'])
|
|
),
|
|
'data': payload
|
|
}
|
|
|
|
# ------------------------------------------------------------------------------- #
|
|
# Try to solve the reCaptcha challenge via 3rd party.
|
|
# ------------------------------------------------------------------------------- #
|
|
|
|
def reCaptcha_Challenge_Response(self, provider, provider_params, body, url):
|
|
try:
|
|
formPayload = re.search(
|
|
r'<form (?P<form>.*?="challenge-form" '
|
|
r'action="(?P<challengeUUID>.*?__cf_chl_captcha_tk__=\S+)"(.*?)</form>)',
|
|
body,
|
|
re.M | re.DOTALL
|
|
).groupdict()
|
|
|
|
if not all(key in formPayload for key in ['form', 'challengeUUID']):
|
|
self.simpleException(
|
|
CloudflareReCaptchaError,
|
|
"Cloudflare reCaptcha detected, unfortunately we can't extract the parameters correctly."
|
|
)
|
|
|
|
payload = OrderedDict(
|
|
re.findall(
|
|
r'(name="r"\svalue|data-ray|data-sitekey|name="cf_captcha_kind"\svalue)="(.*?)"',
|
|
formPayload['form']
|
|
)
|
|
)
|
|
|
|
captchaType = 'reCaptcha' if payload['name="cf_captcha_kind" value'] == 're' else 'hCaptcha'
|
|
|
|
except (AttributeError, KeyError):
|
|
self.simpleException(
|
|
CloudflareReCaptchaError,
|
|
"Cloudflare reCaptcha detected, unfortunately we can't extract the parameters correctly."
|
|
)
|
|
|
|
captchaResponse = reCaptcha.dynamicImport(
|
|
provider.lower()
|
|
).solveCaptcha(
|
|
captchaType,
|
|
url,
|
|
payload['data-sitekey'],
|
|
provider_params
|
|
)
|
|
|
|
dataPayload = OrderedDict([
|
|
('r', payload.get('name="r" value', '')),
|
|
('cf_captcha_kind', payload['name="cf_captcha_kind" value']),
|
|
('id', payload.get('data-ray')),
|
|
('g-recaptcha-response', captchaResponse)
|
|
])
|
|
|
|
if captchaType == 'hCaptcha':
|
|
dataPayload.update({'h-captcha-response': captchaResponse})
|
|
|
|
hostParsed = urlparse(url)
|
|
|
|
return {
|
|
'url': '{}://{}{}'.format(
|
|
hostParsed.scheme,
|
|
hostParsed.netloc,
|
|
self.unescape(formPayload['challengeUUID'])
|
|
),
|
|
'data': dataPayload
|
|
}
|
|
|
|
# ------------------------------------------------------------------------------- #
|
|
# Attempt to handle and send the challenge response back to cloudflare
|
|
# ------------------------------------------------------------------------------- #
|
|
|
|
def Challenge_Response(self, resp, **kwargs):
|
|
if self.is_reCaptcha_Challenge(resp):
|
|
# ------------------------------------------------------------------------------- #
|
|
# double down on the request as some websites are only checking
|
|
# if cfuid is populated before issuing reCaptcha.
|
|
# ------------------------------------------------------------------------------- #
|
|
|
|
resp = self.decodeBrotli(
|
|
super(CloudScraper, self).request(resp.request.method, resp.url, **kwargs)
|
|
)
|
|
|
|
if not self.is_reCaptcha_Challenge(resp):
|
|
return resp
|
|
|
|
# ------------------------------------------------------------------------------- #
|
|
# if no reCaptcha provider raise a runtime error.
|
|
# ------------------------------------------------------------------------------- #
|
|
|
|
if not self.recaptcha or not isinstance(self.recaptcha, dict) or not self.recaptcha.get('provider'):
|
|
self.simpleException(
|
|
CloudflareReCaptchaProvider,
|
|
"Cloudflare reCaptcha detected, unfortunately you haven't loaded an anti reCaptcha provider "
|
|
"correctly via the 'recaptcha' parameter."
|
|
)
|
|
|
|
# ------------------------------------------------------------------------------- #
|
|
# if provider is return_response, return the response without doing anything.
|
|
# ------------------------------------------------------------------------------- #
|
|
|
|
if self.recaptcha.get('provider') == 'return_response':
|
|
return resp
|
|
|
|
self.recaptcha['proxies'] = self.proxies
|
|
submit_url = self.reCaptcha_Challenge_Response(
|
|
self.recaptcha.get('provider'),
|
|
self.recaptcha,
|
|
resp.text,
|
|
resp.url
|
|
)
|
|
else:
|
|
# ------------------------------------------------------------------------------- #
|
|
# Cloudflare requires a delay before solving the challenge
|
|
# ------------------------------------------------------------------------------- #
|
|
|
|
if not self.delay:
|
|
try:
|
|
delay = float(
|
|
re.search(
|
|
r'submit\(\);\r?\n\s*},\s*([0-9]+)',
|
|
resp.text
|
|
).group(1)
|
|
) / float(1000)
|
|
if isinstance(delay, (int, float)):
|
|
self.delay = delay
|
|
except (AttributeError, ValueError):
|
|
self.simpleException(
|
|
CloudflareIUAMError,
|
|
"Cloudflare IUAM possibility malformed, issue extracing delay value."
|
|
)
|
|
|
|
sleep(self.delay)
|
|
|
|
# ------------------------------------------------------------------------------- #
|
|
|
|
submit_url = self.IUAM_Challenge_Response(
|
|
resp.text,
|
|
resp.url,
|
|
self.interpreter
|
|
)
|
|
|
|
# ------------------------------------------------------------------------------- #
|
|
# Send the Challenge Response back to Cloudflare
|
|
# ------------------------------------------------------------------------------- #
|
|
|
|
if submit_url:
|
|
|
|
def updateAttr(obj, name, newValue):
|
|
try:
|
|
obj[name].update(newValue)
|
|
return obj[name]
|
|
except (AttributeError, KeyError):
|
|
obj[name] = {}
|
|
obj[name].update(newValue)
|
|
return obj[name]
|
|
|
|
cloudflare_kwargs = deepcopy(kwargs)
|
|
cloudflare_kwargs['allow_redirects'] = False
|
|
cloudflare_kwargs['data'] = updateAttr(
|
|
cloudflare_kwargs,
|
|
'data',
|
|
submit_url['data']
|
|
)
|
|
|
|
urlParsed = urlparse(resp.url)
|
|
cloudflare_kwargs['headers'] = updateAttr(
|
|
cloudflare_kwargs,
|
|
'headers',
|
|
{
|
|
'Origin': '{}://{}'.format(urlParsed.scheme, urlParsed.netloc),
|
|
'Referer': resp.url
|
|
}
|
|
)
|
|
|
|
challengeSubmitResponse = self.request(
|
|
'POST',
|
|
submit_url['url'],
|
|
**cloudflare_kwargs
|
|
)
|
|
|
|
# ------------------------------------------------------------------------------- #
|
|
# Return response if Cloudflare is doing content pass through instead of 3xx
|
|
# else request with redirect URL also handle protocol scheme change http -> https
|
|
# ------------------------------------------------------------------------------- #
|
|
|
|
if not challengeSubmitResponse.is_redirect:
|
|
return challengeSubmitResponse
|
|
|
|
else:
|
|
cloudflare_kwargs = deepcopy(kwargs)
|
|
cloudflare_kwargs['headers'] = updateAttr(
|
|
cloudflare_kwargs,
|
|
'headers',
|
|
{'Referer': challengeSubmitResponse.url}
|
|
)
|
|
|
|
if not urlparse(challengeSubmitResponse.headers['Location']).netloc:
|
|
redirect_location = urljoin(
|
|
challengeSubmitResponse.url,
|
|
challengeSubmitResponse.headers['Location']
|
|
)
|
|
else:
|
|
redirect_location = challengeSubmitResponse.headers['Location']
|
|
|
|
return self.request(
|
|
resp.request.method,
|
|
redirect_location,
|
|
**cloudflare_kwargs
|
|
)
|
|
|
|
# ------------------------------------------------------------------------------- #
|
|
# We shouldn't be here...
|
|
# Re-request the original query and/or process again....
|
|
# ------------------------------------------------------------------------------- #
|
|
|
|
return self.request(resp.request.method, resp.url, **kwargs)
|
|
|
|
# ------------------------------------------------------------------------------- #
|
|
|
|
@classmethod
|
|
def create_scraper(cls, sess=None, **kwargs):
|
|
"""
|
|
Convenience function for creating a ready-to-go CloudScraper object.
|
|
"""
|
|
scraper = cls(**kwargs)
|
|
|
|
if sess:
|
|
for attr in ['auth', 'cert', 'cookies', 'headers', 'hooks', 'params', 'proxies', 'data']:
|
|
val = getattr(sess, attr, None)
|
|
if val:
|
|
setattr(scraper, attr, val)
|
|
|
|
return scraper
|
|
|
|
# ------------------------------------------------------------------------------- #
|
|
# Functions for integrating cloudscraper with other applications and scripts
|
|
# ------------------------------------------------------------------------------- #
|
|
|
|
@classmethod
|
|
def get_tokens(cls, url, **kwargs):
|
|
scraper = cls.create_scraper(
|
|
**{
|
|
field: kwargs.pop(field, None) for field in [
|
|
'allow_brotli',
|
|
'browser',
|
|
'debug',
|
|
'delay',
|
|
'interpreter',
|
|
'recaptcha'
|
|
] if field in kwargs
|
|
}
|
|
)
|
|
|
|
try:
|
|
resp = scraper.get(url, **kwargs)
|
|
resp.raise_for_status()
|
|
except Exception:
|
|
logging.error('"{}" returned an error. Could not collect tokens.'.format(url))
|
|
raise
|
|
|
|
domain = urlparse(resp.url).netloc
|
|
# noinspection PyUnusedLocal
|
|
cookie_domain = None
|
|
|
|
for d in scraper.cookies.list_domains():
|
|
if d.startswith('.') and d in ('.{}'.format(domain)):
|
|
cookie_domain = d
|
|
break
|
|
else:
|
|
cls.simpleException(
|
|
CloudflareIUAMError,
|
|
"Unable to find Cloudflare cookies. Does the site actually "
|
|
"have Cloudflare IUAM (I'm Under Attack Mode) enabled?"
|
|
)
|
|
|
|
return (
|
|
{
|
|
'__cfduid': scraper.cookies.get('__cfduid', '', domain=cookie_domain),
|
|
'cf_clearance': scraper.cookies.get('cf_clearance', '', domain=cookie_domain)
|
|
},
|
|
scraper.headers['User-Agent']
|
|
)
|
|
|
|
# ------------------------------------------------------------------------------- #
|
|
|
|
@classmethod
|
|
def get_cookie_string(cls, url, **kwargs):
|
|
"""
|
|
Convenience function for building a Cookie HTTP header value.
|
|
"""
|
|
tokens, user_agent = cls.get_tokens(url, **kwargs)
|
|
return '; '.join('='.join(pair) for pair in tokens.items()), user_agent
|
|
|
|
|
|
# ------------------------------------------------------------------------------- #
|
|
|
|
if ssl.OPENSSL_VERSION_INFO < (1, 1, 1):
|
|
print(
|
|
"DEPRECATION: The OpenSSL being used by this python install ({}) does not meet the minimum supported "
|
|
"version (>= OpenSSL 1.1.1) in order to support TLS 1.3 required by Cloudflare, "
|
|
"You may encounter an unexpected reCaptcha or cloudflare 1020 blocks.".format(
|
|
ssl.OPENSSL_VERSION
|
|
)
|
|
)
|
|
|
|
# ------------------------------------------------------------------------------- #
|
|
|
|
create_scraper = CloudScraper.create_scraper
|
|
get_tokens = CloudScraper.get_tokens
|
|
get_cookie_string = CloudScraper.get_cookie_string
|