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@ -1,17 +1,23 @@
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# SPDX-License-Identifier: AGPL-3.0-or-later
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# lint: pylint
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# pylint: disable=missing-function-docstring
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"""Raise exception for an HTTP response is an error.
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"""
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Raise exception for an HTTP response is an error.
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"""
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from searx.exceptions import (SearxEngineCaptchaException, SearxEngineTooManyRequestsException,
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SearxEngineAccessDeniedException)
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from searx.exceptions import (
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SearxEngineCaptchaException,
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SearxEngineTooManyRequestsException,
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SearxEngineAccessDeniedException,
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)
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def is_cloudflare_challenge(resp):
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if resp.status_code in [429, 503]:
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if ('__cf_chl_jschl_tk__=' in resp.text)\
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or ('/cdn-cgi/challenge-platform/' in resp.text
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and 'orchestrate/jsch/v1' in resp.text
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and 'window._cf_chl_enter(' in resp.text):
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if (('__cf_chl_jschl_tk__=' in resp.text)
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or ('/cdn-cgi/challenge-platform/' in resp.text
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and 'orchestrate/jsch/v1' in resp.text
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and 'window._cf_chl_enter(' in resp.text
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)):
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return True
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if resp.status_code == 403 and '__cf_chl_captcha_tk__=' in resp.text:
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return True
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@ -27,15 +33,21 @@ def raise_for_cloudflare_captcha(resp):
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if is_cloudflare_challenge(resp):
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# https://support.cloudflare.com/hc/en-us/articles/200170136-Understanding-Cloudflare-Challenge-Passage-Captcha-
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# suspend for 2 weeks
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raise SearxEngineCaptchaException(message='Cloudflare CAPTCHA', suspended_time=3600 * 24 * 15)
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raise SearxEngineCaptchaException(
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message='Cloudflare CAPTCHA',
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suspended_time=3600 * 24 * 15
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)
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if is_cloudflare_firewall(resp):
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raise SearxEngineAccessDeniedException(message='Cloudflare Firewall', suspended_time=3600 * 24)
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raise SearxEngineAccessDeniedException(
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message='Cloudflare Firewall', suspended_time=3600 * 24
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)
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def raise_for_recaptcha(resp):
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if resp.status_code == 503 \
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and '"https://www.google.com/recaptcha/' in resp.text:
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if (resp.status_code == 503
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and '"https://www.google.com/recaptcha/' in resp.text
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):
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raise SearxEngineCaptchaException(message='ReCAPTCHA', suspended_time=3600 * 24 * 7)
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@ -59,8 +71,10 @@ def raise_for_httperror(resp):
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if resp.status_code and resp.status_code >= 400:
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raise_for_captcha(resp)
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if resp.status_code in (402, 403):
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raise SearxEngineAccessDeniedException(message='HTTP error ' + str(resp.status_code),
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suspended_time=3600 * 24)
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raise SearxEngineAccessDeniedException(
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message='HTTP error ' + str(resp.status_code),
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suspended_time=3600 * 24
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)
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if resp.status_code == 429:
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raise SearxEngineTooManyRequestsException()
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resp.raise_for_status()
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