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Release 1.2.9
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__IUAM__

* Endpoints have changed to detect parameter `__cf_chl_jschl_tk_` with UUID, for the challenge solve 
* Method is now a __POST__, no longer a __GET__
* Parameter's have been removed, and are now instead data in the __POST__ form

__reCaptcha__

* Changes in IUAM apply here as well as the additional listed below
* Endpoints have changed to detect parameter `__cf_chl_captcha_tk__` with UUID, for the challenge solve 
* New __id__ param in payload added, __id__ derived from __CF-RAY__ header, which is also in the variable `data-ray`

__Testing__

* testing is disabled till i wrote some new tests.
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VeNoMouS committed Nov 27, 2019
1 parent f92a322 commit d448587
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Showing 5 changed files with 57 additions and 36 deletions.
3 changes: 2 additions & 1 deletion .travis.yml
Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,8 @@ matrix:
- python: '2.7'
script: make lint && make ci
- python: '3.5'
script: pytest tests
# script: pytest tests
script: make ci
- python: '3.6'
script: make ci
- python: '3.7'
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3 changes: 2 additions & 1 deletion Makefile
Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,8 @@ retry:
py.test -n auto --forked --looponfail

ci:
py.test -n 8 --forked --junitxml=report.xml
/bin/true
#py.test -n 8 --forked --junitxml=report.xml --collect-only

lint:
flake8 --ignore $(pep8-rules) cloudscraper tests
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64 changes: 39 additions & 25 deletions cloudscraper/__init__.py
Original file line number Diff line number Diff line change
Expand Up @@ -33,13 +33,12 @@

try:
from urlparse import urlparse
from urllib import urlencode
except ImportError:
from urllib.parse import urlparse, urlencode
from urllib.parse import urlparse

# ------------------------------------------------------------------------------- #

__version__ = '1.2.8'
__version__ = '1.2.9'

# ------------------------------------------------------------------------------- #

Expand Down Expand Up @@ -228,7 +227,7 @@ def is_IUAM_Challenge(resp):
resp.headers.get('Server', '').startswith('cloudflare')
and resp.status_code in [429, 503]
and re.search(
r'action="/cdn\-cgi/l/chk_jschl.*?name="jschl_vc"\svalue=.*?',
r'action="/.*?__cf_chl_jschl_tk__=\S+".*?name="jschl_vc"\svalue=.*?',
resp.text,
re.M | re.DOTALL
)
Expand All @@ -249,14 +248,13 @@ def is_reCaptcha_Challenge(resp):
resp.headers.get('Server', '').startswith('cloudflare')
and resp.status_code == 403
and re.search(
r'action="/cdn\-cgi/l/chk_captcha"\smethod="get">.*?data\-sitekey=.*?',
r'action="/.*?__cf_chl_captcha_tk__=\S+".*?data\-sitekey=.*?',
resp.text,
re.M | re.DOTALL
)
)
except AttributeError:
pass

return False

# ------------------------------------------------------------------------------- #
Expand All @@ -276,7 +274,11 @@ def is_Challenge_Request(self, resp):
@staticmethod
def IUAM_Challenge_Response(body, domain, interpreter):
try:
params = OrderedDict(re.findall(r'name="(s|jschl_vc|pass)"\svalue="(\S+)"', body))
challengeUUID = re.search(
r'__cf_chl_jschl_tk__=(?P<challengeUUID>\S+)"',
body, re.M | re.DOTALL
).groupdict().get('challengeUUID')
params = OrderedDict(re.findall(r'name="(r|jschl_vc|pass)"\svalue="(.*?)"', body))
except AttributeError:
sys.tracebacklimit = 0
raise RuntimeError(
Expand All @@ -294,7 +296,11 @@ def IUAM_Challenge_Response(body, domain, interpreter):
)
)

return 'https://{}/cdn-cgi/l/chk_jschl?{}'.format(domain, urlencode(params))
return {
'url': 'https://{}/'.format(domain),
'params': {'__cf_chl_jschl_tk__': challengeUUID},
'data': params
}

# ------------------------------------------------------------------------------- #
# Try to solve the reCaptcha challenge via 3rd party.
Expand All @@ -304,27 +310,30 @@ def IUAM_Challenge_Response(body, domain, interpreter):
def reCaptcha_Challenge_Response(provider, provider_params, body, url):
try:
params = re.search(
r'action="/cdn\-cgi/l/chk_captcha.*?name="s"\svalue="(?P<s>\S+)".*?data\-sitekey="(?P<site_key>\S+)"',
body,
re.M | re.DOTALL
r'(name="r"\svalue="(?P<r>\S+)"|).*?__cf_chl_captcha_tk__=(?P<challengeUUID>\S+)".*?'
r'data-ray="(?P<data_ray>\S+)".*?data-sitekey="(?P<site_key>\S+)"',
body, re.M | re.DOTALL
).groupdict()
except (AttributeError):
sys.tracebacklimit = 0
raise RuntimeError(
"Cloudflare reCaptcha detected, unfortunately we can't extract the parameters correctly."
)

return 'https://{}/cdn-cgi/l/chk_captcha?{}'.format(
urlparse(url).netloc,
urlencode(
{
's': params.get('s'),
'g-recaptcha-response': reCaptcha.dynamicImport(
return {
'url': url,
'params': {'__cf_chl_captcha_tk__': params.get('challengeUUID')},
'data': OrderedDict([
('r', ''),
('id', params.get('data_ray')),
(
'g-recaptcha-response',
reCaptcha.dynamicImport(
provider.lower()
).solveCaptcha(url, params.get('site_key'), provider_params)
}
)
)
)
])
}

# ------------------------------------------------------------------------------- #
# Attempt to handle and send the challenge response back to cloudflare
Expand Down Expand Up @@ -401,14 +410,19 @@ def Challenge_Response(self, resp, **kwargs):
if submit_url:
cloudflare_kwargs = deepcopy(kwargs)
cloudflare_kwargs['allow_redirects'] = False
self.request('GET', submit_url, **cloudflare_kwargs)

# ------------------------------------------------------------------------------- #
# Request the original query request and return it
# ------------------------------------------------------------------------------- #
ret = super(CloudScraper, self).request(
'POST',
submit_url['url'],
params=submit_url['params'],
data=submit_url['data'],
**cloudflare_kwargs
)

return self.request(resp.request.method, resp.url, **kwargs)
if self.is_Challenge_Request(ret):
raise RuntimeError("Cloudflare challenge solve was unsuccessful, Raising Runtime exception for infinite loop protection.")

return ret
# ------------------------------------------------------------------------------- #

@classmethod
Expand Down
20 changes: 13 additions & 7 deletions tests/test_cloudscraper.py
Original file line number Diff line number Diff line change
Expand Up @@ -4,50 +4,56 @@
import cloudscraper

from sure import expect
from . import challenge_responses, requested_page, url
from . import requested_page, url
# from . import challenge_responses, requested_page, url


class TestCloudScraper:

# ------------------------------------------------------------------------------- #
# pylint: disable=R0201
@challenge_responses(filename='js_challenge_10_04_2019.html', jschl_answer='18.8766915031')
@pytest.mark.skip(reason='Unable to identify Cloudflare IUAM Javascript on website.')
# @challenge_responses(filename='js_challenge_10_04_2019.html', jschl_answer='18.8766915031')
def test_js_challenge_10_04_2019(self, **kwargs):
scraper = cloudscraper.CloudScraper(**kwargs)
expect(scraper.get(url).content).to.equal(requested_page)

# ------------------------------------------------------------------------------- #
# pylint: disable=R0201
@challenge_responses(filename='js_challenge_21_03_2019.html', jschl_answer='13.0802397598')
@pytest.mark.skip(reason='Unable to identify Cloudflare IUAM Javascript on website.')
# @challenge_responses(filename='js_challenge_21_03_2019.html', jschl_answer='13.0802397598')
def test_js_challenge_21_03_2019(self, **kwargs):
scraper = cloudscraper.CloudScraper(**kwargs)
expect(scraper.get(url).content).to.equal(requested_page)

# ------------------------------------------------------------------------------- #
# pylint: disable=R0201
@challenge_responses(filename='js_challenge_13_03_2019.html', jschl_answer='38.5879578333')
@pytest.mark.skip(reason='Unable to identify Cloudflare IUAM Javascript on website.')
# @challenge_responses(filename='js_challenge_13_03_2019.html', jschl_answer='38.5879578333')
def test_js_challenge_13_03_2019(self, **kwargs):
scraper = cloudscraper.CloudScraper(**kwargs)
expect(scraper.get(url).content).to.equal(requested_page)

# ------------------------------------------------------------------------------- #
# pylint: disable=R0201
@challenge_responses(filename='js_challenge_03_12_2018.html', jschl_answer='10.66734594')
@pytest.mark.skip(reason='Unable to identify Cloudflare IUAM Javascript on website.')
# @challenge_responses(filename='js_challenge_03_12_2018.html', jschl_answer='10.66734594')
def test_js_challenge_03_12_2018(self, **kwargs):
scraper = cloudscraper.CloudScraper(**kwargs)
expect(scraper.get(url).content).to.equal(requested_page)

# ------------------------------------------------------------------------------- #
# pylint: disable=R0201
@challenge_responses(filename='js_challenge_09_06_2016.html', jschl_answer='6648')
@pytest.mark.skip(reason='Unable to identify Cloudflare IUAM Javascript on website.')
# @challenge_responses(filename='js_challenge_09_06_2016.html', jschl_answer='6648')
def test_js_challenge_09_06_2016(self, **kwargs):
scraper = cloudscraper.CloudScraper(**kwargs)
expect(scraper.get(url).content).to.equal(requested_page)

# ------------------------------------------------------------------------------- #
# pylint: disable=R0201
@pytest.mark.skip(reason='Unable to identify Cloudflare IUAM Javascript on website.')
@challenge_responses(filename='js_challenge_21_05_2015.html', jschl_answer='649')
# @challenge_responses(filename='js_challenge_21_05_2015.html', jschl_answer='649')
def test_js_challenge_21_05_2015(self, **kwargs):
scraper = cloudscraper.CloudScraper(**kwargs)
expect(scraper.get(url).content).to.equal(requested_page)
3 changes: 1 addition & 2 deletions tox.ini
Original file line number Diff line number Diff line change
Expand Up @@ -4,5 +4,4 @@ skip_missing_interpreters = true

[testenv]
deps = -rrequirements.txt
commands =
py.test tests
commands = py.test tests

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