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python-aternos/python_aternos/atjsparse.py
2021-11-01 18:04:19 +04:00

37 lines
755 B
Python

import re
import js2py
import base64
brkregex = re.compile(r'\((?!\)|[\'\"])(.+?)(?<!\(|[\'\"])\)')
def parse_brackets(f):
return brkregex.search(f)[1]
def to_ecma5_function(f):
fnstart = f.find('{')+1
fnend = f.rfind('}')
f = arrow_conv(f[fnstart:fnend])
return f
def atob(s):
return base64.standard_b64decode(str(s)).decode('utf-8')
def arrow_conv(f):
if '=>' in f:
inner = parse_brackets(f)
while brkregex.match(inner) != None:
inner = parse_brackets(inner)
func = re.sub(
r'(\w+)\s*=>\s*(.+)',
r'function(\1){return \2}', inner
)
start = f.find(inner)
end = start + len(inner)
f = f[:start] + func + f[end:]
return f
def exec(f):
ctx = js2py.EvalJs({'atob': atob})
ctx.execute(to_ecma5_function(f))
return ctx