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Fix https://github.com/HelloZeroNet/ZeroNet/issues/2757

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This commit is contained in:
Vadim Ushakov 2021-10-20 19:01:55 +07:00 committed by caryoscelus
parent a334eefdf7
commit 30db5a4652
1 changed files with 4 additions and 3 deletions
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7
src/util/SafeRe.py
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@ -15,9 +15,10 @@ def isSafePattern(pattern):
if unsafe_pattern_match: if unsafe_pattern_match:
raise UnsafePatternError("Potentially unsafe part of the pattern: %s in %s" % (unsafe_pattern_match.group(0), pattern)) raise UnsafePatternError("Potentially unsafe part of the pattern: %s in %s" % (unsafe_pattern_match.group(0), pattern))
repetitions = re.findall(r"\.[\*\{\+]", pattern) repetitions1 = re.findall(r"\.[\*\{\+]", pattern)
if len(repetitions) >= 10: repetitions2 = re.findall(r"[^(][?]", pattern)
raise UnsafePatternError("More than 10 repetitions of %s in %s" % (repetitions[0], pattern)) if len(repetitions1) + len(repetitions2) >= 10:
raise UnsafePatternError("More than 10 repetitions in %s" % pattern)
return True return True