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22 changes: 22 additions & 0 deletions security_300.py
Original file line number Diff line number Diff line change
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# Security Enhancement for Issue #300
import re
from typing import Tuple

def validate_email(email: str) -> Tuple[bool, str]:
if not email or '@' not in email:
return False, "Invalid email"
return True, "OK"

def sanitize_input(input_str: str, max_len: int = 1000) -> str:
if not input_str:
return ""
if len(input_str) > max_len:
input_str = input_str[:max_len]
patterns = [r"<script.*?>.*?</script>", r"javascript:"]
for p in patterns:
input_str = re.sub(p, "", input_str, flags=re.IGNORECASE)
return input_str.strip()

# Tests
assert validate_email("test@example.com")[0] == True
print("Security tests passed!")