我查看了网站的robots.txt文件,并从那里获取了站点地图。 我想抓取它,但收到403错误(urlopen)或此html响应(使用curl时)
<!DOCTYPE html>
<!--[if lt IE 7]> <html class="no-js ie6 oldie" lang="en-US"> <![endif]-->
<!--[if IE 7]> <html class="no-js ie7 oldie" lang="en-US"> <![endif]-->
<!--[if IE 8]> <html class="no-js ie8 oldie" lang="en-US"> <![endif]-->
<!--[if gt IE 8]><!--> <html class="no-js" lang="en-US"> <!--<![endif]-->
<head>
<title>Attention Required! | Cloudflare</title>
<meta name="captcha-bypass" id="captcha-bypass" />
<meta charset="UTF-8" />
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1" />
<meta name="robots" content="noindex, nofollow" />
<meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1" />
<link rel="stylesheet" id="cf_styles-css" href="/cdn-cgi/styles/cf.errors.css" type="text/css" media="screen,projection" />
<!--[if lt IE 9]><link rel="stylesheet" id='cf_styles-ie-css' href="/cdn-cgi/styles/cf.errors.ie.css" type="text/css" media="screen,projection" /><![endif]-->
<style type="text/css">body{margin:0;padding:0}</style>
<!--[if gte IE 10]><!--><script type="text/javascript" src="/cdn-cgi/scripts/zepto.min.js"></script><!--<![endif]-->
<!--[if gte IE 10]><!--><script type="text/javascript" src="/cdn-cgi/scripts/cf.common.js"></script><!--<![endif]-->
</head>
<body>
<div id="cf-wrapper">
<div class="cf-alert cf-alert-error cf-cookie-error" id="cookie-alert" data-translate="enable_cookies">Please enable cookies.</div>
<div id="cf-error-details" class="cf-error-details-wrapper">
<div class="cf-wrapper cf-header cf-error-overview">
<h1 data-translate="challenge_headline">One more step</h1>
<h2 class="cf-subheadline"><span data-translate="complete_sec_check">Please complete the security check to access</span> www.idrivecertified.com</h2>
</div><!-- /.header -->
<div class="cf-section cf-highlight cf-captcha-container">
<div class="cf-wrapper">
<div class="cf-columns two">
<div class="cf-column">
<div class="cf-highlight-inverse cf-form-stacked">
<form class="challenge-form" id="challenge-form" action="/cdn-cgi/l/chk_captcha" method="get">
<input type="hidden" name="s" value="6bfef707b3cd0948ac32f5cdd799fde999bb502a-1551464417-1800-AXystx0zL4isQ7fLSJlI8C9UU2+0nm5RfJXpsQ+WZ7ndOaHokzltGw4sOmwwULEx+KfuILnP+wt/6CO90eEzOUBo6YPJqcQHME8FiR79h/JAqHGZibPvK4yS15wpCQVuLw=="></input>
<script type="text/javascript" src="/cdn-cgi/scripts/cf.challenge.js" data-type="normal" data-ray="4b0d24defd87ccd0" async data-sitekey="6LfBixYUAAAAABhdHynFUIMA_sa4s-XsJvnjtgB0"></script>
<div class="g-recaptcha"></div>
<noscript id="cf-captcha-bookmark" class="cf-captcha-info">
<div><div style="width: 302px">
<div>
<iframe src="https://www.google.com/recaptcha/api/fallback?k=6LfBixYUAAAAABhdHynFUIMA_sa4s-XsJvnjtgB0" frameborder="0" scrolling="no" style="width: 302px; height:422px; border-style: none;"></iframe>
</div>
<div style="width: 300px; border-style: none; bottom: 12px; left: 25px; margin: 0px; padding: 0px; right: 25px; background: #f9f9f9; border: 1px solid #c1c1c1; border-radius: 3px;">
<textarea id="g-recaptcha-response" name="g-recaptcha-response" class="g-recaptcha-response" style="width: 250px; height: 40px; border: 1px solid #c1c1c1; margin: 10px 25px; padding: 0px; resize: none;"></textarea>
<input type="submit" value="Submit"></input>
</div>
</div></div>
</noscript>
</form>
</div>
</div>
<div class="cf-column">
<div class="cf-screenshot-container">
<span class="cf-no-screenshot"></span>
</div>
</div>
</div><!-- /.columns -->
</div>
</div><!-- /.captcha-container -->
<div class="cf-section cf-wrapper">
<div class="cf-columns two">
<div class="cf-column">
<h2 data-translate="why_captcha_headline">Why do I have to complete a CAPTCHA?</h2>
<p data-translate="why_captcha_detail">Completing the CAPTCHA proves you are a human and gives you temporary access to the web property.</p>
</div>
<div class="cf-column">
<h2 data-translate="resolve_captcha_headline">What can I do to prevent this in the future?</h2>
<p data-translate="resolve_captcha_antivirus">If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware.</p>
<p data-translate="resolve_captcha_network">If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices.</p>
</div>
</div>
</div><!-- /.section -->
<div class="cf-error-footer cf-wrapper">
<p>
<span class="cf-footer-item">Cloudflare Ray ID: <strong>4b0d24defd87ccd0</strong></span>
<span class="cf-footer-separator">•</span>
<span class="cf-footer-item"><span>Your IP</span>: 2604:2000:f684:8d00:2ca1:a9b9:1950:7b53</span>
<span class="cf-footer-separator">•</span>
<span class="cf-footer-item"><span>Performance & security by</span> <a href="https://www.cloudflare.com/5xx-error-landing?utm_source=error_footer" id="brand_link" target="_blank">Cloudflare</a></span>
</p>
</div><!-- /.error-footer -->
</div><!-- /#cf-error-details -->
</div><!-- /#cf-wrapper -->
<script type="text/javascript">
window._cf_translation = {};
</script>
</body>
</html>
当我从chrome发出请求时,我可以看到页面,因此我将网络标签中的请求复制为curl,并且实际上可以正常工作。因此,我尝试将请求的标头设置为与成功的curl请求中的标头类似,但仍然出现403错误。有关如何进行的任何想法?