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63 lines
1.9 KiB
63 lines
1.9 KiB
4 years ago
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import logging
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import re
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# ------------------------------------------------------------------------------- #
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def template(body, domain):
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BUG_REPORT = 'Cloudflare may have changed their technique, or there may be a bug in the script.'
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try:
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js = re.search(
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r'setTimeout\(function\(\){\s+(.*?a\.value\s*=\s*\S+toFixed\(10\);)',
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body,
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re.M | re.S
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).group(1)
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except Exception:
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raise ValueError('Unable to identify Cloudflare IUAM Javascript on website. {}'.format(BUG_REPORT))
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jsEnv = '''String.prototype.italics=function(str) {{return "<i>" + this + "</i>";}};
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var subVars= {{{subVars}}};
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var document = {{
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createElement: function () {{
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return {{ firstChild: {{ href: "https://{domain}/" }} }}
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}},
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getElementById: function (str) {{
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return {{"innerHTML": subVars[str]}};
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}}
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}};
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'''
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try:
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js = js.replace(
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r"(setInterval(function(){}, 100),t.match(/https?:\/\//)[0]);",
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r"t.match(/https?:\/\//)[0];"
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)
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k = re.search(r" k\s*=\s*'(?P<k>\S+)';", body).group('k')
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r = re.compile(r'<div id="{}(?P<id>\d+)">\s*(?P<jsfuck>[^<>]*)</div>'.format(k))
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subVars = ''
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for m in r.finditer(body):
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subVars = '{}\n\t\t{}{}: {},\n'.format(subVars, k, m.group('id'), m.group('jsfuck'))
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subVars = subVars[:-2]
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except: # noqa
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logging.error('Error extracting Cloudflare IUAM Javascript. {}'.format(BUG_REPORT))
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raise
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return '{}{}'.format(
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re.sub(
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r'\s{2,}',
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' ',
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jsEnv.format(
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domain=domain,
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subVars=subVars
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),
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re.MULTILINE | re.DOTALL
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),
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js
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)
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# ------------------------------------------------------------------------------- #
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