50 lines
1.6 KiB
Python
50 lines
1.6 KiB
Python
import re, base64, urllib.parse
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html = open('/tmp/fresh2.html', encoding='utf8', errors='ignore').read()
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mix = next(b for b in re.findall(r'<script>([\s\S]*?)</script>', html) if '.split' in b)
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# 1) 直接 per-语句 regex
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stmts = [s.strip() for s in re.split(r';(?=(?:"[^"]*"\s*)*[^"]*$)', mix)]
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def eval_concat(expr):
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REV = '.split("").reverse().join("")'
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out = []; i = 0
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while i < len(expr):
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if expr[i] == '"':
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close = expr.find('"', i + 1)
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if close < 0: break
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lit = expr[i+1:close]
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is_rev = expr[close+1:close+1+len(REV)].startswith(REV)
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out.append(lit[::-1] if is_rev else lit)
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i = close + 1 + (len(REV) if is_rev else 0)
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else:
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i += 1
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return ''.join(out)
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assign = {}
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for stmt in stmts:
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if not stmt: continue
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m = re.match(r'^var\s+(\w+)\s*=\s*"(.*)"$', stmt)
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if m:
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assign[m.group(1)] = eval_concat(m.group(2))
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continue
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m = re.match(r'^var\s+(\w+)\s*=\s*"(.*)"', stmt) # no trailing $
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if m:
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assign[m.group(1)] = eval_concat(m.group(2))
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continue
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m = re.match(r'^var\s+(\w+)\s*=\s*$', stmt)
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if m:
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assign[m.group(1)] = ''
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continue
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m = re.match(r'^(\w+)\s*=\s*(\w+)$', stmt)
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if m:
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assign[m.group(1)] = assign.get(m.group(2), '')
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continue
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m = re.match(r'^(\w+)\s*=\s*"([a-f0-9]{32})"$', stmt)
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if m:
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assign[m.group(1)] = m.group(2)
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continue
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print('UNMATCHED:', stmt[:50])
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print('assign:', {k: (v[:35]+'..' if len(v) > 35 else v) for k, v in assign.items()})
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