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📜  Passay-LengthComplexityRule

📅  最后修改于: 2020-11-12 05:23:07             🧑  作者: Mango

LengthComplexityRule帮助根据密码的长度定义密码上的适用规则。考虑以下策略。

  • 如果密码长度在1到5个字符之间，则只能使用小写字母。

  • 如果密码长度在6到8个字符之间，则仅允许使用a，b和c。

例

以下示例显示了使用Passay库针对上述策略验证密码的信息。

import org.passay.AllowedCharacterRule;
import org.passay.CharacterRule;
import org.passay.EnglishCharacterData;
import org.passay.LengthComplexityRule;
import org.passay.PasswordData;
import org.passay.PasswordValidator;
import org.passay.RuleResult;

public class PassayExample {
   public static void main(String[] args) {
      LengthComplexityRule lengthComplexityRule = new LengthComplexityRule();
      //Rule: Password of 1 to 5 characters should contains lower case alphabets only
      lengthComplexityRule.addRules("[1,5]", 
         new CharacterRule(EnglishCharacterData.LowerCase, 5));
      //8 and 16 characters
      lengthComplexityRule.addRules("[6,8]", 
         new AllowedCharacterRule(new char[] { 'a', 'b', 'c' }));    
      PasswordValidator validator = new PasswordValidator(lengthComplexityRule);
      PasswordData password = new PasswordData("abcdef");
      RuleResult result = validator.validate(password);
      if(result.isValid()){
         System.out.println("Password validated.");
      }else{
         System.out.println("Invalid Password: " + validator.getMessages(result));            
      }
   }
}

输出

Invalid Password: [
Password contains the illegal character 'd'., 
Password contains the illegal character 'e'., 
Password contains the illegal character 'f'., 
Password meets 0 complexity rules, but 1 are required.]