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33 lines
882 B
33 lines
882 B
6 years ago
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from __future__ import absolute_import
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import js2py
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import logging
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import base64
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from . import JavaScriptInterpreter
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from .jsunfuck import jsunfuck
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class ChallengeInterpreter(JavaScriptInterpreter):
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def __init__(self):
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super(ChallengeInterpreter, self).__init__('js2py')
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def eval(self, jsEnv, js):
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if js2py.eval_js('(+(+!+[]+[+!+[]]+(!![]+[])[!+[]+!+[]+!+[]]+[!+[]+!+[]]+[+[]])+[])[+!+[]]') == '1':
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logging.warning('WARNING - Please upgrade your js2py https://github.com/PiotrDabkowski/Js2Py, applying work around for the meantime.')
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js = jsunfuck(js)
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def atob(s):
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return base64.b64decode('{}'.format(s)).decode('utf-8')
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js2py.disable_pyimport()
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context = js2py.EvalJs({'atob': atob})
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result = context.eval('{}{}'.format(jsEnv, js))
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return result
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ChallengeInterpreter()
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