mirror of
https://github.com/morpheus65535/bazarr.git
synced 2024-11-15 12:14:51 +08:00
311 lines
12 KiB
Python
311 lines
12 KiB
Python
import logging
|
|
import re
|
|
import sys
|
|
import ssl
|
|
|
|
from copy import deepcopy
|
|
from time import sleep
|
|
from collections import OrderedDict
|
|
|
|
from requests.sessions import Session
|
|
from requests.adapters import HTTPAdapter
|
|
from requests.packages.urllib3.util.ssl_ import create_urllib3_context
|
|
|
|
from .interpreters import JavaScriptInterpreter
|
|
from .user_agent import User_Agent
|
|
|
|
try:
|
|
from requests_toolbelt.utils import dump
|
|
except ImportError:
|
|
pass
|
|
|
|
try:
|
|
import brotli
|
|
except ImportError:
|
|
pass
|
|
|
|
try:
|
|
from urlparse import urlparse
|
|
from urlparse import urlunparse
|
|
except ImportError:
|
|
from urllib.parse import urlparse
|
|
from urllib.parse import urlunparse
|
|
|
|
##########################################################################################################################################################
|
|
|
|
__version__ = '1.1.9'
|
|
|
|
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
|
|
|
|
if hasattr(ssl, 'PROTOCOL_TLS'):
|
|
self.ssl_context = create_urllib3_context(
|
|
ssl_version=getattr(ssl, 'PROTOCOL_TLSv1_3', ssl.PROTOCOL_TLSv1_2),
|
|
ciphers=self.cipherSuite
|
|
)
|
|
else:
|
|
self.ssl_context = create_urllib3_context(ssl_version=ssl.PROTOCOL_TLSv1)
|
|
|
|
super(CipherSuiteAdapter, self).__init__(**kwargs)
|
|
|
|
##########################################################################################################################################################
|
|
|
|
def init_poolmanager(self, *args, **kwargs):
|
|
kwargs['ssl_context'] = self.ssl_context
|
|
return super(CipherSuiteAdapter, self).init_poolmanager(*args, **kwargs)
|
|
|
|
##########################################################################################################################################################
|
|
|
|
def proxy_manager_for(self, *args, **kwargs):
|
|
kwargs['ssl_context'] = self.ssl_context
|
|
return super(CipherSuiteAdapter, self).proxy_manager_for(*args, **kwargs)
|
|
|
|
##########################################################################################################################################################
|
|
|
|
|
|
class CloudScraper(Session):
|
|
def __init__(self, *args, **kwargs):
|
|
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.cipherSuite = None
|
|
|
|
super(CloudScraper, self).__init__(*args, **kwargs)
|
|
|
|
if 'requests' in self.headers['User-Agent']:
|
|
# Set a random User-Agent if no custom User-Agent has been set
|
|
self.headers = User_Agent(allow_brotli=self.allow_brotli).headers
|
|
|
|
self.mount('https://', CipherSuiteAdapter(self.loadCipherSuite()))
|
|
|
|
##########################################################################################################################################################
|
|
|
|
@staticmethod
|
|
def debugRequest(req):
|
|
try:
|
|
print(dump.dump_all(req).decode('utf-8'))
|
|
except: # noqa
|
|
pass
|
|
|
|
##########################################################################################################################################################
|
|
|
|
def loadCipherSuite(self):
|
|
if self.cipherSuite:
|
|
return self.cipherSuite
|
|
|
|
self.cipherSuite = ''
|
|
|
|
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'
|
|
]
|
|
|
|
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))
|
|
|
|
for cipher in ciphers:
|
|
try:
|
|
ctx.set_ciphers(cipher)
|
|
self.cipherSuite = '{}:{}'.format(self.cipherSuite, cipher).rstrip(':')
|
|
except ssl.SSLError:
|
|
pass
|
|
|
|
return self.cipherSuite
|
|
|
|
##########################################################################################################################################################
|
|
|
|
def request(self, method, url, *args, **kwargs):
|
|
ourSuper = super(CloudScraper, self)
|
|
resp = ourSuper.request(method, url, *args, **kwargs)
|
|
|
|
if resp.headers.get('Content-Encoding') == 'br':
|
|
if self.allow_brotli and resp._content:
|
|
resp._content = brotli.decompress(resp.content)
|
|
else:
|
|
logging.warning('Brotli content detected, But option is disabled, we will not continue.')
|
|
return resp
|
|
|
|
# Debug request
|
|
if self.debug:
|
|
self.debugRequest(resp)
|
|
|
|
# Check if Cloudflare anti-bot is on
|
|
if self.isChallengeRequest(resp):
|
|
if resp.request.method != 'GET':
|
|
# Work around if the initial request is not a GET,
|
|
# Supersede with a GET then re-request the original METHOD.
|
|
self.request('GET', resp.url)
|
|
resp = ourSuper.request(method, url, *args, **kwargs)
|
|
else:
|
|
# Solve Challenge
|
|
resp = self.sendChallengeResponse(resp, **kwargs)
|
|
|
|
return resp
|
|
|
|
##########################################################################################################################################################
|
|
|
|
@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'])
|
|
)
|
|
|
|
return False
|
|
|
|
##########################################################################################################################################################
|
|
|
|
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)
|
|
|
|
try:
|
|
params = OrderedDict()
|
|
|
|
s = re.search(r'name="s"\svalue="(?P<s_value>[^"]+)', body)
|
|
if s:
|
|
params['s'] = s.group('s_value')
|
|
|
|
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))
|
|
]
|
|
)
|
|
|
|
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)
|
|
|
|
# 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['allow_redirects'] = False
|
|
|
|
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)
|
|
|
|
##########################################################################################################################################################
|
|
|
|
@classmethod
|
|
def create_scraper(cls, sess=None, **kwargs):
|
|
"""
|
|
Convenience function for creating a ready-to-go CloudScraper object.
|
|
"""
|
|
scraper = cls(**kwargs)
|
|
|
|
if sess:
|
|
attrs = ['auth', 'cert', 'cookies', 'headers', 'hooks', 'params', 'proxies', 'data']
|
|
for attr in attrs:
|
|
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(
|
|
debug=kwargs.pop('debug', False),
|
|
delay=kwargs.pop('delay', None),
|
|
interpreter=kwargs.pop('interpreter', 'js2py'),
|
|
allow_brotli=kwargs.pop('allow_brotli', True),
|
|
)
|
|
|
|
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:
|
|
raise ValueError('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
|
|
|
|
|
|
##########################################################################################################################################################
|
|
|
|
create_scraper = CloudScraper.create_scraper
|
|
get_tokens = CloudScraper.get_tokens
|
|
get_cookie_string = CloudScraper.get_cookie_string
|