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