Java 如何为客户提供自定义密码规则设置机制?
在我们的产品中,客户需要自定义密码规则设置器。这意味着他想为密码字段定义密码长度、包含大写、小写、特殊字符、数字等规则。我们如何为客户提供一个合适的界面来定义所有这些,而不使其变得复杂或难以理解?还有,是不是有点太多了,我们应该只提供一个自定义长度,并强制使用大写、小写和特殊字符 快速代码来说明我将如何进行:Java 如何为客户提供自定义密码规则设置机制?,java,security,user-interface,authentication,passwords,Java,Security,User Interface,Authentication,Passwords,在我们的产品中,客户需要自定义密码规则设置器。这意味着他想为密码字段定义密码长度、包含大写、小写、特殊字符、数字等规则。我们如何为客户提供一个合适的界面来定义所有这些,而不使其变得复杂或难以理解?还有,是不是有点太多了,我们应该只提供一个自定义长度,并强制使用大写、小写和特殊字符 快速代码来说明我将如何进行: public class Test { StringBuilder passwordRules = new StringBuilder(); private void
public class Test {
StringBuilder passwordRules = new StringBuilder();
private void addLowerCaseRule(int length, boolean numbersAllowed){
if(numbersAllowed){
passwordRules.append("[a-z0-9]{").append(length).append("}");
}else{
passwordRules.append("[a-z]{").append(length).append("}");
}
}
private void addUpperCaseRule(int length, boolean numbersAllowed){
if(numbersAllowed){
passwordRules.append("[A-Z0-9]{").append(length).append("}");
}else{
passwordRules.append("[A-Z]{").append(length).append("}");
}
}
private void addLowerAndUpperCaseRule(int length, boolean numbersAllowed){
if(numbersAllowed){
passwordRules.append("[aA-zZ0-9]{").append(length).append("}");
}else{
passwordRules.append("[aA-zZ]{").append(length).append("}");
}
}
private boolean checkPassword(String password){
if (password.matches(passwordRules.toString())) return true;
return false;
}
public static void main(String[] args){
Test test = new Test();
test.addLowerAndUpperCaseRule(4, false);
test.addLowerAndUpperCaseRule(5, true);
String password = "tPrz05637";
String passwordTwo = "t8ea17r88";
System.out.println("First password returns " + test.checkPassword(password));
System.out.println("Second password returns " + test.checkPassword(passwordTwo));
}
}
您所需要做的就是添加所需的任意多个不同规则,然后构建一个布局(例如,一个带有按钮、文本字段和列表的Jframe,以显示已添加的规则),以允许客户以可视化方式添加这些规则。每次添加新规则时,调用相应的方法
当然,您还应该添加代码来删除规则,但我认为这段小代码给出了如何继续的想法
更新:为了更好地说明我的方法,我使用Swing开发了一个非常令人不快的布局
public class Test extends JFrame{
String passwordRules;
JButton addLowerAndUpperCaseRuleButton;
JButton deleteSelectedButton;
JTextField addLowerAndUpperCaseRuleField;
JCheckBox addLowerAndUpperCaseRuleBox;
JList<String> rulesList;
DefaultListModel<String> listModel;
JTextField testPasswordField;
JButton testPasswordButton;
public Test(){
this.setPreferredSize(new Dimension(900, 100));
addLowerAndUpperCaseRuleField = new JTextField();
addLowerAndUpperCaseRuleField.setText(String.valueOf(1));
addLowerAndUpperCaseRuleField.setPreferredSize(new Dimension(30, 25));
addLowerAndUpperCaseRuleBox = new JCheckBox();
addLowerAndUpperCaseRuleButton = new JButton();
addLowerAndUpperCaseRuleButton.setText("Add lower and upper rule");
addLowerAndUpperCaseRuleButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent ae) {
addLowerAndUpperCaseRule(Integer.valueOf(addLowerAndUpperCaseRuleField.getText()), addLowerAndUpperCaseRuleBox.isSelected());
}
});
deleteSelectedButton = new JButton();
deleteSelectedButton.setText("Delete selected");
deleteSelectedButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent ae) {
listModel.remove(rulesList.getSelectedIndex());
}
});
rulesList = new JList<>();
rulesList.setSize(new Dimension(250, 50));
listModel = new DefaultListModel<>();
rulesList.setModel(listModel);
testPasswordField = new JTextField();
testPasswordField.setPreferredSize(new Dimension(90, 25));
testPasswordButton = new JButton("Check");
testPasswordButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent ae) {
passwordRules = testPasswordField.getText();
boolean result = checkPassword(passwordRules);
JOptionPane.showMessageDialog(null, "The password check returns " + result);
}
});
this.add(addLowerAndUpperCaseRuleButton);
this.add(addLowerAndUpperCaseRuleField);
this.add(addLowerAndUpperCaseRuleBox);
this.add(rulesList);
this.add(deleteSelectedButton);
this.add(new JLabel("Password to test: "));
this.add(testPasswordField);
this.add(testPasswordButton);
this.setLayout(new FlowLayout());
this.pack();
this.setVisible(true);
this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
}
private void addLowerCaseRule(int length, boolean numbersAllowed){
String rule;
if(numbersAllowed){
rule = "[a-z0-9]{" + length + "}";
}else{
rule = "[a-z]{" + length + "}";
}
listModel.addElement(rule);
}
private void addUpperCaseRule(int length, boolean numbersAllowed){
String rule;
if(numbersAllowed){
rule = "[A-Z0-9]{" + length + "}";
}else{
rule = "[A-Z]{" + length + "}";
}
listModel.addElement(rule);
}
private void addLowerAndUpperCaseRule(int length, boolean numbersAllowed){
String rule;
if(numbersAllowed){
rule = "[aA-zZ0-9]{" + length + "}";
}else{
rule = "[aA-zZ]{" + length + "}";
}
listModel.addElement(rule);
}
private boolean checkPassword(String password){
StringBuilder rules = new StringBuilder();
for(int i = 0; i < listModel.size(); i++){
rules.append(listModel.get(i));
}
if (password.matches(rules.toString())) return true;
return false;
}
public static void main(String[] args){
Test test = new Test();
}
}
公共类测试扩展JFrame{
字符串密码规则;
JButton addLowerAndUpperCaseRuleButton;
JButton deleteSelectedButton;
JTextField addLowerAndUpperCaseRuleField;
JCheckBox addloweranduppercase规则框;
JList规则列表;
默认列表模型列表模型;
JTextField testPasswordField;
JButton测试密码按钮;
公开考试(){
此.setPreferredSize(新尺寸(900100));
addLowerAndUpperCaseRuleField=新的JTextField();
addLowerAndUpperCaseRuleField.setText(String.valueOf(1));
addLowerAndUpperCaseRuleField.setPreferredSize(新维度(30,25));
addLowerAndUpperCaseRuleBox=新的JCheckBox();
addLowerAndUpperCaseRuleButton=新JButton();
addLowerAndUpperCaseRuleButton.setText(“添加上下规则”);
addLowerAndUpperCaseRuleButton.addActionListener(新ActionListener(){
@凌驾
已执行的公共无效行动(行动事件ae){
addLowerAndUpperCaseRule(Integer.valueOf(addLowerAndUpperCaseRuleField.getText()),addLowerAndUpperCaseRuleBox.isSelected());
}
});
deleteSelectedButton=新建JButton();
deleteSelectedButton.setText(“删除选定项”);
deleteSelectedButton.addActionListener(新ActionListener(){
@凌驾
已执行的公共无效行动(行动事件ae){
移除(rulesList.getSelectedIndex());
}
});
rulesList=new JList();
规则列表设置尺寸(新尺寸(250,50));
listModel=新的DefaultListModel();
rulesList.setModel(列表模型);
testPasswordField=新的JTextField();
setPreferredSize(新维度(90,25));
testPasswordButton=新JButton(“检查”);
testPasswordButton.addActionListener(新ActionListener(){
@凌驾
已执行的公共无效行动(行动事件ae){
passwordRules=testPasswordField.getText();
布尔结果=检查密码(密码规则);
showMessageDialog(null,“密码检查返回”+结果);
}
});
此.add(addLowerAndUpperCaseRuleButton);
this.add(addLowerAndUpperCaseRuleField);
此.add(addLowerAndUpperCaseRuleBox);
添加(规则列表);
此.add(deleteSelectedButton);
添加(新的JLabel(“测试密码:”);
add(testPasswordField);
add(testPasswordButton);
this.setLayout(新的FlowLayout());
这个包();
此.setVisible(true);
此.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
}
private void addLowercaseUrle(整数长度,允许布尔数){
字符串规则;
如果(允许的编号){
rule=“[a-z0-9]{”+长度+“}”;
}否则{
rule=“[a-z]{“+length+”}”;
}
listModel.addElement(规则);
}
私有void addUpperCaseRule(整数长度,允许布尔数){
字符串规则;
如果(允许的编号){
rule=“[A-Z0-9]{”+长度+“}”;
}否则{
rule=“[A-Z]{“+length+”}”;
}
listModel.addElement(规则);
}
私有void addLowerAndUpperCaseRule(整数长度,允许布尔数){
字符串规则;
如果(允许的编号){
规则=“[aA-zZ0-9]{“+长度+”}”;
}否则{
rule=“[aA zZ]{”+长度+“}”;
}
listModel.addElement(规则);
}
私有布尔校验密码(字符串密码){
StringBuilder规则=新建StringBuilder();
对于(int i=0;i
您想了解布局的想法还是代码建议?我想了解如何为客户提供一个界面来提供所有这些信息的布局。我应该为大写、小写、特殊字符和长度计数指定标志吗?这样问似乎很粗鲁,我会用不同的颜色。显示所有条件,如果它们为绿色,则可以;如果为红色,则不可以。您可能希望查看最新的NIST指南(2017年):不建议对密码施加复杂性约束(仅强制执行长度和黑名单检查)。