技术标签: Java spring boot java spring security
看了一下感觉这东西还挺难的,得写点什么来总结一下。
1.要启用springsecurity很简单只需要在pom.xml中添加相关依赖就行了
<dependency>
<groupId>org.springframework.boot</groudId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
2.准备User类和Role类,这里直接用JPA
@Entity(name = "t_user")
public class User implements UserDetails {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
private String username;
private String password;
private boolean accountNonExpired;
private boolean accountNonLocked;
private boolean credentialsNonExpired;
private boolean enabled;
@ManyToMany(fetch = FetchType.EAGER,cascade = CascadeType.PERSIST)
private List<Role> roles;
@Override
public Collection<? extends GrantedAuthority> getAuthorities() {
List<SimpleGrantedAuthority> authorities = new ArrayList<>();
for(Role role:getRoles()){
authorities.add(new SimpleGrantedAuthority(role.getName()));
}
return authorities;
}
@Override
public String getPassword() {
return password;
}
@Override
public String getUsername() {
return username;
}
@Override
public boolean isAccountNonExpired() {
return accountNonExpired;
}
@Override
public boolean isAccountNonLocked() {
return accountNonLocked;
}
@Override
public boolean isCredentialsNonExpired() {
return credentialsNonExpired;
}
@Override
public boolean isEnabled() {
return enabled;
}
//下面是基本的getter和setter
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public void setUsername(String username) {
this.username = username;
}
public void setPassword(String password) {
this.password = password;
}
public void setAccountNonExpired(boolean accountNonExpired) {
this.accountNonExpired = accountNonExpired;
}
public void setAccountNonLocked(boolean accountNonLocked) {
this.accountNonLocked = accountNonLocked;
}
public void setCredentialsNonExpired(boolean credentialsNonExpired) {
this.credentialsNonExpired = credentialsNonExpired;
}
public void setEnabled(boolean enabled) {
this.enabled = enabled;
}
public List<Role> getRoles() {
return roles;
}
public void setRoles(List<Role> roles) {
this.roles = roles;
}
}
用户实体类主要需要实现 UserDetails 接口,并实现接口中的方法。
这里的字段基本都好理解,几个特殊的我来稍微说一下:
accountNonExpired、accountNonLocked、credentialsNonExpired、enabled 这四个属性分别用来描述用户的状态,表示账户是否没有过期、账户是否没有被锁定、密码是否没有过期、以及账户是否可用。
roles 属性表示用户的角色,User 和 Role 是多对多关系,用一个 @ManyToMany 注解来描述。
getAuthorities 方法返回用户的角色信息,我们在这个方法中把自己的 Role 稍微转化一下即可。
3.定义UserDao和UserService
public interface UserDao extends JpaRepository<User,Long> {
User findUserByUsername(String username);
}
@Service
public class UserService implements UserDetailsService {
@Autowired
UserDao userDao;
@Override
public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
User user = userDao.findUserByUsername(username);
if(user==null){
throw new UsernameNotFoundException("用户不存在");
}
return user;
}
}
4.前端定义了一组页面,分别划归3个不同得权限
在首页中写了个table并放上三类页面的超链接
<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org"
xmlns:sec="http://www.thymeleaf.org/thymeleaf-extras-springsecurity5">
<head>
<meta charset="UTF-8">
<title>securitytest</title>
</head>
<body>
<table>
<thead>
<tr>
<th>VIP1的内容</th>
<th>VIP2的内容</th>
<th>VIP3的内容</th>
</tr>
</thead>
<tbody>
<tr>
<td><a th:href="@{/level1/rank1}">点击进入VIP1-1</a></td>
<td><a th:href="@{/level2/rank2}">点击进入VIP2-1</a></td>
<div sec:authorize="hasRole('ROLE_vip3')"> <td><a th:href="@{/level3/rank3}">点击进入VIP3-1</a></td> </div>
</tr>
<tr>
<td><a th:href="@{/level1/rank1-2}">点击进入VIP1-2</a></td>
<td><a th:href="@{/level2/rank2-2}">点击进入VIP2-2</a></td>
<div sec:authorize="hasRole('ROLE_vip3')"><td><a th:href="@{/level3/rank3-2}">点击进入VIP3-3</a></td></div>
</tr>
<tr>
<td><a th:href="@{/level1/rank1-3}">点击进入VIP1-3</a></td>
<td><a th:href="@{/level2/rank2-3}">点击进入VIP2-3</a></td>
<div sec:authorize="hasRole('ROLE_vip3')"><td><a th:href="@{/level3/rank3-3}">点击进入VIP3-3</a></td></div>
</tr>
</tbody>
</table>
<a th:href="@{/Login_page}">去登录</a>
<a th:href="@{/logout}">注销</a>
</body>
</html>
(PS)要使用thymeleaf和springsecurity的整合需要在pom.xml中添加如下依赖
<dependency>
<groupId>org.thymeleaf.extras</groupId>
<artifactId>thymeleaf-extras-springsecurity5</artifactId>
<version>3.0.4.RELEASE</version>
</dependency>
登录页面可以是springsecurity提供的,也可以是自己写的,这里自己写一个简单的登录页面Login_page.html
<body>
<form th:action="@{/Login_page}" method="post">
<span style="color: aqua;font-size: 36px;text-align: center">登录表单</span><br>
<label>用户名:</label><input type="text" name="username" /><br>
<label>密码:</label><input type="password" name="password"/><br>
<input type="submit" value="登录"/>
</form>
之后写一个Controller去跳转这些页面
controller
@Controller
public class LoginController {
@RequestMapping({
"/","/index","/index.html"})
public String toindex(){
return "index";
}
@RequestMapping("/Login_page")
public String toLogin(){
return "Login_page";
}
@RequestMapping({
"/level1/rank1","/level1/rank1.html"})
public String level1rank1(){
return "level1/rank1";
}
@RequestMapping({
"/level1/rank1-2","/level1/rank1-2.html"})
public String level1rank2(){
return "level1/rank1-2";
}
@RequestMapping({
"/level1/rank1-3","/level1/rank1-3.html"})
public String level1rank3(){
return "level1/rank1-3";
}
@RequestMapping({
"/level2/rank2","/level2/rank2.html"})
public String level2rank1(){
return "level2/rank2";
}
@RequestMapping({
"/level2/rank2-2","/level2/rank2-2.html"})
public String level2rank2(){
return "level2/rank2-2";
}
@RequestMapping({
"/level2/rank2-3","/level2/rank2-3.html"})
public String level2rank3(){
return "level2/rank2-3";
}
///
@RequestMapping({
"/level3/rank3","/level3/rank3.html"})
public String level3rank1(){
return "level3/rank3";
}
@RequestMapping({
"/level3/rank3-2","/level3/rank3-2.html"})
public String level3rank2(){
return "level3/rank3-2";
}
@RequestMapping({
"/level3/rank3-3","/level3/rank3-3.html"})
public String level3rank3(){
return "level3/rank3-3";
}
//
}
在测试类中添加并运行如下代码,在数据库中留下记录
@SpringBootTest
class SpringsercuiryApplicationTests {
@Autowired
UserDao userDao;
BCryptPasswordEncoder encoder;
@Test
void contextLoads() {
encoder = new BCryptPasswordEncoder();
User user = new User();
List<Role> lihansrole = new ArrayList<>();
lihansrole.add(new Role("ROLE_vip1","贵宾1"));
lihansrole.add(new Role("ROLE_vip2","贵宾2"));
lihansrole.add(new Role("ROLE_vip3","贵宾3"));
user.setUsername("lihan");
user.setPassword(encoder.encode("wdnmd"));
user.setAccountNonExpired(true);
user.setAccountNonLocked(true);
user.setCredentialsNonExpired(true);
user.setEnabled(true);
user.setRoles(lihansrole);
userDao.save(user);
//分割线
User user1 = new User();
List<Role> usersrole = new ArrayList<>();
usersrole.add(new Role("ROLE_vip1","贵宾1"));
usersrole.add(new Role("ROLE_vip2","贵宾2"));
user1.setUsername("root");
user1.setPassword(encoder.encode("wdnmd"));
user1.setAccountNonExpired(true);
user1.setAccountNonLocked(true);
user1.setCredentialsNonExpired(true);
user1.setEnabled(true);
user1.setRoles(usersrole);
userDao.save(user1);
/分割线
User user2 = new User();
List<Role> user2srole = new ArrayList<>();
user2srole.add(new Role("ROLE_vip1","贵宾1"));
user2.setUsername("guest");
user2.setPassword(encoder.encode("wdnmd"));
user2.setAccountNonExpired(true);
user2.setAccountNonLocked(true);
user2.setCredentialsNonExpired(true);
user2.setEnabled(true);
user2.setRoles(user2srole);
userDao.save(user2);
}
}
最后写一个springsecurity配置类
@EnableWebSecurity
public class securityconfiger extends WebSecurityConfigurerAdapter {
@Autowired
UserService userService;
@Override
protected void configure(AuthenticationManagerBuilder auth) throws Exception {
auth..userDetailsService(userService).passwordEncoder(new BCryptPasswordEncoder());
}
@Override
protected void configure(HttpSecurity http) throws Exception {
http.authorizeRequests().antMatchers("/").permitAll()
.antMatchers("/index").permitAll()
.antMatchers("/vc.jpg").permitAll()
.antMatchers("/Login_page").permitAll()
.antMatchers("/level1/**").hasAnyRole("vip1")
.antMatchers("/level2/**").hasAnyRole("vip2")
.antMatchers("/level3/**").hasAnyRole("vip3");
http.formLogin().loginPage("/Login_page").loginProcessingUrl("/Login_page");
http.csrf().disable();
http.logout().logoutSuccessUrl("/");
}
}
完成后启动项目用不同的用户名密码登录,完成了认证和授权
(之后改了代码,加了验证码,自定义了认证逻辑,忘了截图了。。。。。)
1.添加一下kaptcha的maven依赖
<dependency>
<groupId>com.github.penggle</groupId>
<artifactId>kaptcha</artifactId>
<version>2.3.2</version>
</dependency>
2.定义一个生成验证码的Controller,并把正确的验证码存入Session之中
@RestController
public class VerifyCodeController {
@Autowired
Producer producer;
@GetMapping("/vc.jpg")
public void getVerifyCodeImage(HttpServletResponse resp, HttpSession session) throws IOException {
resp.setContentType("image/jpeg");
String code = producer.createText();
session.setAttribute("verifyCode",code);
BufferedImage image = producer.createImage(code);
try(ServletOutputStream out = resp.getOutputStream()){
ImageIO.write(image,"jpg",out);
}
}
@Bean
public Producer VerityDode(){
//配置一下验证码
Properties properties = new Properties();
properties.setProperty("kaptcha.image.width","150");
properties.setProperty("kaptcha.image.height","50");
properties.setProperty("kaptcha.textproducer.char.string","0123456789");
properties.setProperty("kaptcha.textproducer.char.length","4");
Config config = new Config(properties);
DefaultKaptcha defaultKaptcha = new DefaultKaptcha();
defaultKaptcha.setConfig(config);
return defaultKaptcha;
}
}
定义MyAuthenticationProvider继承DaoAuthenticationProvider
并重写additionalAuthenticationChecks()方法添加验证码的逻辑
public class MyAuthenticationProvider extends DaoAuthenticationProvider {
@Override
protected void additionalAuthenticationChecks(UserDetails userDetails, UsernamePasswordAuthenticationToken authentication) throws AuthenticationException {
HttpServletRequest req = ((ServletRequestAttributes)RequestContextHolder.getRequestAttributes()).getRequest();
String input_code = req.getParameter("code");
String verify = (String)req.getSession().getAttribute("verifyCode");
if(input_code==null||verify==null||!input_code.equals(verify)){
throw new AuthenticationServiceException("验证码错误");
}
super.additionalAuthenticationChecks(userDetails, authentication);
}
}
之后需要改动一下security配置类
@Override
protected void configure(AuthenticationManagerBuilder auth) throws Exception {
auth.authenticationProvider(myAuthentication());
}
@Bean
MyAuthenticationProvider myAuthentication(){
MyAuthenticationProvider myAuthenticationProvider = new MyAuthenticationProvider();
myAuthenticationProvider.setPasswordEncoder(new BCryptPasswordEncoder());
myAuthenticationProvider.setUserDetailsService(userService);
return myAuthenticationProvider;
}
@Override
protected void configure(HttpSecurity http) throws Exception {
http.authorizeRequests().antMatchers("/").permitAll()
.antMatchers("/index").permitAll()
.antMatchers("/vc.jpg").permitAll()
.antMatchers("/Login_page").permitAll()
.antMatchers("/level1/**").hasAnyRole("vip1")
.antMatchers("/level2/**").hasAnyRole("vip2")
.antMatchers("/level3/**").hasAnyRole("vip3");
http.formLogin().loginPage("/Login_page").loginProcessingUrl("/Login_page");
http.csrf().disable();
http.logout().logoutSuccessUrl("/");
}
}
再稍微改一下登录页就行了
<body>
<form th:action="@{/Login_page}" method="post">
<span style="color: aqua;font-size: 36px;text-align: center">登录表单</span><br>
<label>用户名:</label><input type="text" name="username" /><br>
<label>密码:</label><input type="password" name="password"/><br>
<label>验证码</label><input type="text" name="code">
<input type="submit" value="登录"/>
</form>
<div>
<img th:src="@{/vc.jpg}" style="width: 150px;height: 50px" />
</div>
再次启动项目
登录一下最低权限的账号
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