张翔
90 lines
2.4 KiB
Python
90 lines
2.4 KiB
Python
"""
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数据验证工具类
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提供数据验证相关的工具方法
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作者: 张翔
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日期: 2026-04-01
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"""
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import re
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from typing import Optional
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class Validator:
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"""数据验证工具类"""
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EMAIL_PATTERN = r'^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$'
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PHONE_PATTERN = r'^1[3-9]\d{9}$'
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USERNAME_PATTERN = r'^[a-zA-Z0-9_-]{3,50}$'
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ID_CARD_PATTERN = r'^\d{17}[\dXx]$'
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@staticmethod
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def is_valid_email(email: str) -> bool:
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"""验证邮箱格式"""
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if not email:
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return False
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return bool(re.match(Validator.EMAIL_PATTERN, email))
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@staticmethod
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def is_valid_phone(phone: str) -> bool:
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"""验证手机号格式"""
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if not phone:
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return False
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return bool(re.match(Validator.PHONE_PATTERN, phone))
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@staticmethod
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def is_valid_username(username: str) -> bool:
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"""验证用户名格式"""
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if not username:
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return False
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return bool(re.match(Validator.USERNAME_PATTERN, username))
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@staticmethod
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def is_strong_password(password: str) -> bool:
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"""验证密码强度"""
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if not password or len(password) < 8:
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return False
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has_upper = bool(re.search(r'[A-Z]', password))
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has_lower = bool(re.search(r'[a-z]', password))
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has_digit = bool(re.search(r'\d', password))
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has_special = bool(re.search(r'[!@#$%^&*(),.?":{}|<>]', password))
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return has_upper and has_lower and has_digit and has_special
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@staticmethod
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def is_valid_id_card(id_card: str) -> bool:
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"""
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验证身份证号格式
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Args:
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id_card: 身份证号
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Returns:
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是否有效
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"""
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if not id_card:
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return False
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if not re.match(Validator.ID_CARD_PATTERN, id_card):
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return False
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if id_card[:6] == "123456":
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return False
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return True
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@staticmethod
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def sanitize(text: str) -> str:
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"""清洗输入,移除危险字符"""
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if not text:
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return ""
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sanitized = text
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sanitized = re.sub(r'<script[^>]*>.*?</script>', '', sanitized, flags=re.IGNORECASE | re.DOTALL)
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sanitized = re.sub(r'<[^>]+>', '', sanitized)
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sanitized = re.sub(r"[';\"\\]", '', sanitized)
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return sanitized.strip()
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