Aggiornato Httptools e cloudscrape

Fix per Py3 e commenti in inglese
This commit is contained in:
Alhaziel
2019-11-20 12:10:41 +01:00
committed by marco
parent 7b0a3152de
commit b0a69f9d86
8 changed files with 12622 additions and 1104 deletions

View File

@@ -1,10 +1,8 @@
# Cloudscraper by VeNoMouS
# https://github.com/VeNoMouS/cloudscraper
import logging
import re
import sys
import ssl
import requests
from copy import deepcopy
from time import sleep
@@ -15,6 +13,7 @@ from requests.adapters import HTTPAdapter
from requests.packages.urllib3.util.ssl_ import create_urllib3_context
from .interpreters import JavaScriptInterpreter
from .reCaptcha import reCaptcha
from .user_agent import User_Agent
try:
@@ -29,20 +28,29 @@ except ImportError:
try:
from urlparse import urlparse
from urlparse import urlunparse
except ImportError:
from urllib.parse import urlparse
from urllib.parse import urlunparse
##########################################################################################################################################################
__version__ = '1.1.12'
__version__ = '1.1.24'
BUG_REPORT = 'Cloudflare may have changed their technique, or there may be a bug in the script.'
##########################################################################################################################################################
# class CipherSuiteAdapter(HTTPAdapter):
#
# def __init__(self, cipherSuite=None, **kwargs):
# self.cipherSuite = cipherSuite
#
# self.ssl_context = create_urllib3_context(
# ssl_version=ssl.PROTOCOL_TLS,
# ciphers=self.cipherSuite
# )
#
# super(CipherSuiteAdapter, self).__init__(**kwargs)
class CipherSuiteAdapter(HTTPAdapter):
def __init__(self, cipherSuite=None, **kwargs):
@@ -75,10 +83,12 @@ class CipherSuiteAdapter(HTTPAdapter):
class CloudScraper(Session):
def __init__(self, *args, **kwargs):
self.allow_brotli = kwargs.pop('allow_brotli', True if 'brotli' in sys.modules.keys() else False)
self.debug = kwargs.pop('debug', False)
self.delay = kwargs.pop('delay', None)
self.interpreter = kwargs.pop('interpreter', 'js2py')
self.allow_brotli = kwargs.pop('allow_brotli', True if 'brotli' in sys.modules.keys() else False)
self.recaptcha = kwargs.pop('recaptcha', {})
self.cipherSuite = None
super(CloudScraper, self).__init__(*args, **kwargs)
@@ -108,21 +118,30 @@ class CloudScraper(Session):
if hasattr(ssl, 'PROTOCOL_TLS'):
ciphers = [
'ECDHE-ECDSA-AES128-GCM-SHA256', 'ECDHE-RSA-AES128-GCM-SHA256', 'ECDHE-ECDSA-AES256-GCM-SHA384',
'ECDHE-RSA-AES256-GCM-SHA384', 'ECDHE-ECDSA-CHACHA20-POLY1305-SHA256', 'ECDHE-RSA-CHACHA20-POLY1305-SHA256',
'ECDHE-RSA-AES128-CBC-SHA', 'ECDHE-RSA-AES256-CBC-SHA', 'RSA-AES128-GCM-SHA256', 'RSA-AES256-GCM-SHA384',
'ECDHE-RSA-AES128-GCM-SHA256', 'RSA-AES256-SHA', '3DES-EDE-CBC'
'TLS13-AES-128-GCM-SHA256',
'TLS13-AES-256-GCM-SHA384',
'TLS13-CHACHA20-POLY1305-SHA256',
'ECDHE-ECDSA-CHACHA20-POLY1305',
'ECDHE-ECDSA-AES128-GCM-SHA256',
'ECDHE-ECDSA-AES128-SHA',
'ECDHE-ECDSA-AES128-SHA256',
'ECDHE-ECDSA-AES256-GCM-SHA384',
'ECDHE-ECDSA-AES256-SHA',
'ECDHE-ECDSA-AES256-SHA384',
# Slip in some additional intermediate compatibility ciphers, This should help out users for non Cloudflare based sites.
'ECDHE-RSA-AES128-SHA256',
'ECDHE-RSA-AES256-SHA384',
'ECDHE-RSA-AES256-GCM-SHA384',
'DHE-RSA-AES128-GCM-SHA256',
'DHE-RSA-AES256-GCM-SHA384'
]
if hasattr(ssl, 'PROTOCOL_TLSv1_3'):
ciphers.insert(0, ['GREASE_3A', 'GREASE_6A', 'AES128-GCM-SHA256', 'AES256-GCM-SHA256', 'AES256-GCM-SHA384', 'CHACHA20-POLY1305-SHA256'])
ctx = ssl.SSLContext(getattr(ssl, 'PROTOCOL_TLSv1_3', ssl.PROTOCOL_TLSv1_2))
ctx = ssl.SSLContext(ssl.PROTOCOL_TLS)
for cipher in ciphers:
try:
ctx.set_ciphers(cipher)
self.cipherSuite = '{}:{}'.format(self.cipherSuite, cipher).rstrip(':')
self.cipherSuite = '{}:{}'.format(self.cipherSuite, cipher).rstrip(':').lstrip(':')
except ssl.SSLError:
pass
@@ -134,7 +153,7 @@ class CloudScraper(Session):
ourSuper = super(CloudScraper, self)
resp = ourSuper.request(method, url, *args, **kwargs)
if resp.headers.get('Content-Encoding') == 'br':
if requests.packages.urllib3.__version__ < '1.25.1' and resp.headers.get('Content-Encoding') == 'br':
if self.allow_brotli and resp._content:
resp._content = brotli.decompress(resp.content)
else:
@@ -163,12 +182,13 @@ class CloudScraper(Session):
@staticmethod
def isChallengeRequest(resp):
if resp.headers.get('Server', '').startswith('cloudflare'):
if b'why_captcha' in resp.content or b'/cdn-cgi/l/chk_captcha' in resp.content:
raise ValueError('Captcha')
return (
resp.status_code in [429, 503]
and all(s in resp.content for s in [b'jschl_vc', b'jschl_answer'])
resp.status_code in [403, 429, 503]
and (
all(s in resp.content for s in [b'jschl_vc', b'jschl_answer'])
or
all(s in resp.content for s in [b'why_captcha', b'/cdn-cgi/l/chk_captcha'])
)
)
return False
@@ -178,67 +198,56 @@ class CloudScraper(Session):
def sendChallengeResponse(self, resp, **original_kwargs):
body = resp.text
# 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]+)', body).group(1)) / float(1000)
if isinstance(delay, (int, float)):
self.delay = delay
except: # noqa
pass
sleep(self.delay)
parsed_url = urlparse(resp.url)
domain = parsed_url.netloc
submit_url = '{}://{}/cdn-cgi/l/chk_jschl'.format(parsed_url.scheme, domain)
cloudflare_kwargs = deepcopy(original_kwargs)
params = OrderedDict()
try:
params = OrderedDict()
s = re.search(r'name="s"\svalue="(?P<s_value>[^"]+)', body)
if s:
params['s'] = s.group('s_value')
s = re.search(r'name="s"\svalue="(?P<s_value>[^"]+)', body)
if s:
params['s'] = s.group('s_value')
if b'/cdn-cgi/l/chk_captcha' in resp.content:
if not self.recaptcha or not isinstance(self.recaptcha, dict) or not self.recaptcha.get('provider'):
sys.tracebacklimit = 0
raise RuntimeError("Cloudflare reCaptcha detected, unfortunately you haven't loaded an anti reCaptcha provider correctly via the 'recaptcha' parameter.")
params.update(
[
('jschl_vc', re.search(r'name="jschl_vc" value="(\w+)"', body).group(1)),
('pass', re.search(r'name="pass" value="(.+?)"', body).group(1))
]
)
submit_url = '{}://{}/cdn-cgi/l/chk_captcha'.format(parsed_url.scheme, domain)
self.recaptcha['proxies'] = self.proxies
params['g-recaptcha-response'] = reCaptcha.dynamicImport(self.recaptcha.get('provider').lower()).solveCaptcha(resp, self.recaptcha)
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]+)', body).group(1)) / float(1000)
if isinstance(delay, (int, float)):
self.delay = delay
except: # noqa
pass
params = cloudflare_kwargs.setdefault('params', params)
except Exception as e:
raise ValueError('Unable to parse Cloudflare anti-bots page: {} {}'.format(e.message, BUG_REPORT))
# Solve the Javascript challenge
params['jschl_answer'] = JavaScriptInterpreter.dynamicImport(self.interpreter).solveChallenge(body, domain)
sleep(self.delay)
submit_url = '{}://{}/cdn-cgi/l/chk_jschl'.format(parsed_url.scheme, domain)
try:
params.update(
[
('jschl_vc', re.search(r'name="jschl_vc" value="(\w+)"', body).group(1)),
('pass', re.search(r'name="pass" value="(.+?)"', body).group(1)),
('jschl_answer', JavaScriptInterpreter.dynamicImport(self.interpreter).solveChallenge(body, domain))
]
)
except Exception as e:
raise ValueError('Unable to parse Cloudflare anti-bots page: {} {}'.format(e.message, BUG_REPORT))
# Requests transforms any request into a GET after a redirect,
# so the redirect has to be handled manually here to allow for
# performing other types of requests even as the first request.
cloudflare_kwargs = deepcopy(original_kwargs)
cloudflare_kwargs.setdefault('params', params)
cloudflare_kwargs['allow_redirects'] = False
self.request(resp.request.method, submit_url, **cloudflare_kwargs)
redirect = self.request(resp.request.method, submit_url, **cloudflare_kwargs)
redirect_location = urlparse(redirect.headers['Location'])
if not redirect_location.netloc:
redirect_url = urlunparse(
(
parsed_url.scheme,
domain,
redirect_location.path,
redirect_location.params,
redirect_location.query,
redirect_location.fragment
)
)
return self.request(resp.request.method, redirect_url, **original_kwargs)
return self.request(resp.request.method, redirect.headers['Location'], **original_kwargs)
return self.request(resp.request.method, resp.url, **original_kwargs)
##########################################################################################################################################################
@@ -268,6 +277,7 @@ class CloudScraper(Session):
delay=kwargs.pop('delay', None),
interpreter=kwargs.pop('interpreter', 'js2py'),
allow_brotli=kwargs.pop('allow_brotli', True),
recaptcha=kwargs.pop('recaptcha', {})
)
try: