SpringBoot+SpringSecurity

转自连接: www.callicoder.com/spring-boot…
原文作者: Rajeev Kumar Singh
原文作者更多文章: www.callicoder.com/

github: github.com/callicoder/…

1. 本次构建安全架构概述

实现通过填写name, username, email 和 password的注册api
实现通过填写用户名(或邮箱)和密码的登录api.
- 用户信息验证成功后, 服务方生成 JWT 认证 token, 并返回给客户端.
- 客户端通过在Authorization 请求头中传递JWT token来访问特定资源.
通过配置 Spring security 来限制特定资源的访问权限, 例如:
- 登录, 注册及所有静态资源是完全开放的
- 其他特定资源只对已认证用户开放
配置 Spring security 以实现在无有效JWT token验证情况下访问特定资源时抛出401未授权错误
配置基于角色的授权机制来保护服务器资源.

2. 配置 Spring Security 和 JWT

代码

SecurityConfig


package com.example.polls.config;

import com.example.polls.security.CustomUserDetailsService;
import com.example.polls.security.JwtAuthenticationEntryPoint;
import com.example.polls.security.JwtAuthenticationFilter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.HttpMethod;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.BeanIds;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;


@Configuration
@EnableWebSecurity
@EnableGlobalMethodSecurity(
        securedEnabled = true,
        jsr250Enabled = true,
        prePostEnabled = true
)
public class SecurityConfig extends WebSecurityConfigurerAdapter {

    @Autowired
    CustomUserDetailsService customUserDetailsService;

    @Autowired
    private JwtAuthenticationEntryPoint unauthorizedHandler;

    @Bean
    public JwtAuthenticationFilter jwtAuthenticationFilter() {
        return new JwtAuthenticationFilter();
    }

    @Override
    public void configure(AuthenticationManagerBuilder authenticationManagerBuilder) throws Exception {
        authenticationManagerBuilder
                .userDetailsService(customUserDetailsService)
                .passwordEncoder(passwordEncoder());
    }

    @Bean(BeanIds.AUTHENTICATION_MANAGER)
    @Override
    public AuthenticationManager authenticationManagerBean() throws Exception {
        return super.authenticationManagerBean();
    }

    @Bean
    public PasswordEncoder passwordEncoder() {
        return new BCryptPasswordEncoder();
    }

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http
                .cors()
                    .and()
                .csrf()
                    .disable()
                .exceptionHandling()
                    .authenticationEntryPoint(unauthorizedHandler)
                    .and()
                .sessionManagement()
                    .sessionCreationPolicy(SessionCreationPolicy.STATELESS)
                    .and()
                .authorizeRequests()
                    .antMatchers("/",
                        "/favicon.ico",
                        "/**/*.png",
                        "/**/*.gif",
                        "/**/*.svg",
                        "/**/*.jpg",
                        "/**/*.html",
                        "/**/*.css",
                        "/**/*.js")
                        .permitAll()
                    .antMatchers("/api/auth/**")
                        .permitAll()
                    .antMatchers("/api/user/checkUsernameAvailability", "/api/user/checkEmailAvailability")
                        .permitAll()
                    .antMatchers(HttpMethod.GET, "/api/polls/**", "/api/users/**")
                        .permitAll()
                    .anyRequest()
                        .authenticated();

        // Add our custom JWT security filter
        http.addFilterBefore(jwtAuthenticationFilter(), UsernamePasswordAuthenticationFilter.class);

    }
}

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代码解读

1. @EnableWebSecurity

开启 web security

2. @EnableGlobalMethodSecurity

开启基于断言的方法级保护, 3种类型:

securedEnabled, 开启 @Secured 断言, 保护controller/service 的方法:

    @Secured("ROLE_ADMIN")
    public User getAllUsers() {}

    @Secured({"ROLE_USER", "ROLE_ADMIN"})
    public User getUser(Long id) {}

    @Secured("IS_AUTHENTICATED_ANONYMOUSLY")
    public boolean isUsernameAvailable() {}
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jsr250Enabled, 开启 @RolesAllowed 断言:

    @RolesAllowed("ROLE_ADMIN")
    public Poll createPoll() {} 
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prePostEnabled, 开启通过@PreAuthorize 和 @PostAuthorize 控制的更复杂的权限控制表达式:

    @PreAuthorize("isAnonymous()")
    public boolean isUsernameAvailable() {}

    @PreAuthorize("hasRole('USER')")
    public Poll createPoll() {}    
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3. WebSecurityConfigurerAdapter

提供默认的安全配置, 允许其他类继承并通过覆盖方法的方式自定义安全配置.
SecurityConfig 继承于此类, 并覆盖某些方法来自定义安全配置.

4. CustomUserDetailsService

实现接口UserDetailsService.
通过覆盖接口的loadUserByUsername方法来实现认证用户操作.

5. JwtAuthenticationEntryPoint

实现 AuthenticationEntryPoint 接口.
对于没有通过认证而访问特殊资源的用户返回401未授权错误.

6. JwtAuthenticationFilter

从所有请求的Authorization请求头中获取 JWT token
验证token
加载token相关的用户信息
在Spring Security 的安全容器中设置用户信息. Spring Security 使用此用户信息操作授权验证. 我们可以在controller中通过获取安全容器中的用户信息来操作我们的业务逻辑.

7. AuthenticationManagerBuilder 和 AuthenticationManager

AuthenticationManager 是 Spring Security 中实现用户认证的主要接口
AuthenticationManagerBuilder 负责生成 AuthenticationManager
可以通过AuthenticationManagerBuilder 建立基于内存的认证, LDAP 认证, JDBC认证, 或者添加自己的自定义认证.
此例子中, 我们提供 customUserDetailsService 和 passwordEncoder来构建AuthenticationManager.
通过配置好的AuthenticationManager在登录api中认证用户.

8. HttpSecurity configurations

HttpSecurity 配置信息包括csrf, session管理, 基于不同条件的资源保护策略等安全配置功能.
此例子中, 我们开发静态资源及一些公共api, 其他资源则限制只有认证用户可访问.
我们在配置中加入了 JWTAuthenticationEntryPoint 和自定义的 JWTAuthenticationFilter.

3. 创建自定义Spring Security Classes, Filters, and Annotations

3.1. 自定义 Spring Security AuthenticationEntryPoint

定义 JwtAuthenticationEntryPoint 实现 AuthenticationEntryPoint 接口及其中的commence方法.
commence方法会在未认证用户视图访问需要认证的资源时触发.
此例子中, 我们简单的返回包含异常信息的 401 错误.

JwtAuthenticationEntryPoint

package com.example.polls.security;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.stereotype.Component;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@Component
public class JwtAuthenticationEntryPoint implements AuthenticationEntryPoint {

    private static final Logger logger = LoggerFactory.getLogger(JwtAuthenticationEntryPoint.class);
    @Override
    public void commence(HttpServletRequest httpServletRequest,
                         HttpServletResponse httpServletResponse,
                         AuthenticationException e) throws IOException, ServletException {
        logger.error("Responding with unauthorized error. Message - {}", e.getMessage());
        httpServletResponse.sendError(HttpServletResponse.SC_UNAUTHORIZED, e.getMessage());
    }
}
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3.2. 自定义 Spring Security UserDetails

UserPrincipal 实现 UserDetails接口.
自定义UserDetailsService接口会返回此对象.
Spring Security使用此信息进行认证及授权操作.

UserPrincipal

package com.example.polls.security;

import com.example.polls.model.User;
import com.fasterxml.jackson.annotation.JsonIgnore;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;

import java.util.Collection;
import java.util.List;
import java.util.Objects;
import java.util.stream.Collectors;

public class UserPrincipal implements UserDetails {
    private Long id;

    private String name;

    private String username;

    @JsonIgnore
    private String email;

    @JsonIgnore
    private String password;

    private Collection<? extends GrantedAuthority> authorities;

    public UserPrincipal(Long id, String name, String username, String email, String password, Collection<? extends GrantedAuthority> authorities) {
        this.id = id;
        this.name = name;
        this.username = username;
        this.email = email;
        this.password = password;
        this.authorities = authorities;
    }

    public static UserPrincipal create(User user) {
        List<GrantedAuthority> authorities = user.getRoles().stream().map(role ->
                new SimpleGrantedAuthority(role.getName().name())
        ).collect(Collectors.toList());

        return new UserPrincipal(
                user.getId(),
                user.getName(),
                user.getUsername(),
                user.getEmail(),
                user.getPassword(),
                authorities
        );
    }

    public Long getId() {
        return id;
    }

    public String getName() {
        return name;
    }

    public String getEmail() {
        return email;
    }

    @Override
    public String getUsername() {
        return username;
    }

    @Override
    public String getPassword() {
        return password;
    }

    @Override
    public Collection<? extends GrantedAuthority> getAuthorities() {
        return authorities;
    }

    @Override
    public boolean isAccountNonExpired() {
        return true;
    }

    @Override
    public boolean isAccountNonLocked() {
        return true;
    }

    @Override
    public boolean isCredentialsNonExpired() {
        return true;
    }

    @Override
    public boolean isEnabled() {
        return true;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;
        UserPrincipal that = (UserPrincipal) o;
        return Objects.equals(id, that.id);
    }

    @Override
    public int hashCode() {

        return Objects.hash(id);
    }
}

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3.3. 自定义 Spring Security UserDetailsService

通过用户名加载用户数据

CustomUserDetailsService

package com.example.polls.security;

import com.example.polls.exception.ResourceNotFoundException;
import com.example.polls.model.User;
import com.example.polls.repository.UserRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

@Service
public class CustomUserDetailsService implements UserDetailsService {

    @Autowired
    UserRepository userRepository;

    @Override
    @Transactional
    public UserDetails loadUserByUsername(String usernameOrEmail)
            throws UsernameNotFoundException {
        User user = userRepository.findByUsernameOrEmail(usernameOrEmail, usernameOrEmail)
                .orElseThrow(() ->
                        new UsernameNotFoundException("User not found with username or email : " + usernameOrEmail)
        );

        return UserPrincipal.create(user);
    }

    @Transactional
    public UserDetails loadUserById(Long id) {
        User user = userRepository.findById(id).orElseThrow(
            () -> new ResourceNotFoundException("User", "id", id)
        );

        return UserPrincipal.create(user);
    }
}
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3.4. 生成及验证JWT 的工具类

JwtTokenProvider 在用户登录成功后生成JWT, 并负责验证Authorization请求头中的JWT.
在application.properties中定义 JWT 密钥及过期时间

## jwt Properties
app.jwtSecret= JWTSuperSecretKey
app.jwtExpirationInMs = 604800000
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JwtTokenProvider

package com.example.polls.security;

import io.jsonwebtoken.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.security.core.Authentication;
import org.springframework.stereotype.Component;

import java.util.Date;

@Component
public class JwtTokenProvider {

    private static final Logger logger = LoggerFactory.getLogger(JwtTokenProvider.class);

    @Value("${app.jwtSecret}")
    private String jwtSecret;

    @Value("${app.jwtExpirationInMs}")
    private int jwtExpirationInMs;

    public String generateToken(Authentication authentication) {

        UserPrincipal userPrincipal = (UserPrincipal) authentication.getPrincipal();

        Date now = new Date();
        Date expiryDate = new Date(now.getTime() + jwtExpirationInMs);

        return Jwts.builder()
                .setSubject(Long.toString(userPrincipal.getId()))
                .setIssuedAt(new Date())
                .setExpiration(expiryDate)
                .signWith(SignatureAlgorithm.HS512, jwtSecret)
                .compact();
    }

    public Long getUserIdFromJWT(String token) {
        Claims claims = Jwts.parser()
                .setSigningKey(jwtSecret)
                .parseClaimsJws(token)
                .getBody();

        return Long.parseLong(claims.getSubject());
    }

    public boolean validateToken(String authToken) {
        try {
            Jwts.parser().setSigningKey(jwtSecret).parseClaimsJws(authToken);
            return true;
        } catch (SignatureException ex) {
            logger.error("Invalid JWT signature");
        } catch (MalformedJwtException ex) {
            logger.error("Invalid JWT token");
        } catch (ExpiredJwtException ex) {
            logger.error("Expired JWT token");
        } catch (UnsupportedJwtException ex) {
            logger.error("Unsupported JWT token");
        } catch (IllegalArgumentException ex) {
            logger.error("JWT claims string is empty.");
        }
        return false;
    }
}

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3.5. 自定义 Spring Security AuthenticationFilter

JWTAuthenticationFilter 从请求中获取JWT token, 验证, 加载token相关用户信息, 并传递给 Spring Security.

JwtAuthenticationFilter

package com.example.polls.security;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.web.authentication.WebAuthenticationDetailsSource;
import org.springframework.util.StringUtils;
import org.springframework.web.filter.OncePerRequestFilter;

import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

public class JwtAuthenticationFilter extends OncePerRequestFilter {

    @Autowired
    private JwtTokenProvider tokenProvider;

    @Autowired
    private CustomUserDetailsService customUserDetailsService;

    private static final Logger logger = LoggerFactory.getLogger(JwtAuthenticationFilter.class);

    @Override
    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws ServletException, IOException {
        try {
            String jwt = getJwtFromRequest(request);

            if (StringUtils.hasText(jwt) && tokenProvider.validateToken(jwt)) {
                Long userId = tokenProvider.getUserIdFromJWT(jwt);

                // 可以将用户名及角色信息都编码到 JWT claims中 
                // 然后通过解析JWT 的 claims 对象来 创建UserDetails信息
                // 避免重复查询数据库

                UserDetails userDetails = customUserDetailsService.loadUserById(userId);
                UsernamePasswordAuthenticationToken authentication = new UsernamePasswordAuthenticationToken(userDetails, null, userDetails.getAuthorities());
                authentication.setDetails(new WebAuthenticationDetailsSource().buildDetails(request));

                SecurityContextHolder.getContext().setAuthentication(authentication);
            }
        } catch (Exception ex) {
            logger.error("Could not set user authentication in security context", ex);
        }

        filterChain.doFilter(request, response);
    }

    private String getJwtFromRequest(HttpServletRequest request) {
        String bearerToken = request.getHeader("Authorization");
        if (StringUtils.hasText(bearerToken) && bearerToken.startsWith("Bearer ")) {
            return bearerToken.substring(7, bearerToken.length());
        }
        return null;
    }
}

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3.6. 自定义断言获取当前用户

Spring Security 提供 @AuthenticationPrincipal 断言在Controller 中获取当前认证的用户
CurrentUser 断言封装了 AuthenticationPrincipal

CurrentUser

package com.example.polls.security;

import org.springframework.security.core.annotation.AuthenticationPrincipal;
import java.lang.annotation.*;

@Target({ElementType.PARAMETER, ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
@Documented
@AuthenticationPrincipal
public @interface CurrentUser {

}
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通过创建元断言, 可以避免在工程中过多绑定Spring Security的断言,减少对Spring Security 的依赖. 当需要移除Spring Security的时候, 可以简单的修改 CurrentUser 断言.

4. 登录注册API

4.1. 请求Payloads

LoginRequest

import javax.validation.constraints.NotBlank;

import lombok.Data;

@Data
public class LoginRequest {
	@NotBlank
	private String usernameOrEmail;
	@NotBlank
	private String password;
}
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SignUpRequest

import javax.validation.constraints.*;

import lombok.Data;

@Data
public class SignUpRequest {
    @NotBlank
    @Size(min = 4, max = 40)
    private String name;

    @NotBlank
    @Size(min = 3, max = 15)
    private String username;

    @NotBlank
    @Size(max = 40)
    @Email
    private String email;

    @NotBlank
    @Size(min = 6, max = 20)
    private String password;
    
    // TODO: 手机号
}

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4.2. 响应Payloads

JwtAuthenticationResponse

import lombok.Data;

@Data
public class JwtAuthenticationResponse {
	private String accessToken;
	private String tokenType = "Bearer";

	public JwtAuthenticationResponse(String accessToken) {
		this.accessToken = accessToken;
	}
}
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ApiResponse

import lombok.Data;

@Data
public class ApiResponse {
    private Boolean success;
    private String message;

    public ApiResponse(Boolean success, String message) {
        this.success = success;
        this.message = message;
    }
}
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4.3. 自定义业务异常

AppException

import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.ResponseStatus;

@ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
public class AppException extends RuntimeException {
    public AppException(String message) {
        super(message);
    }

    public AppException(String message, Throwable cause) {
        super(message, cause);
    }
}

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BadRequestException

package com.example.polls.exception;

import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.ResponseStatus;

@ResponseStatus(HttpStatus.BAD_REQUEST)
public class BadRequestException extends RuntimeException {

    public BadRequestException(String message) {
        super(message);
    }

    public BadRequestException(String message, Throwable cause) {
        super(message, cause);
    }
}
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ResourceNotFoundException

package com.example.polls.exception;

import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.ResponseStatus;

@ResponseStatus(HttpStatus.NOT_FOUND)
public class ResourceNotFoundException extends RuntimeException {
    private String resourceName;
    private String fieldName;
    private Object fieldValue;

    public ResourceNotFoundException( String resourceName, String fieldName, Object fieldValue) {
        super(String.format("%s not found with %s : '%s'", resourceName, fieldName, fieldValue));
        this.resourceName = resourceName;
        this.fieldName = fieldName;
        this.fieldValue = fieldValue;
    }

    public String getResourceName() {
        return resourceName;
    }

    public String getFieldName() {
        return fieldName;
    }

    public Object getFieldValue() {
        return fieldValue;
    }
}

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4.4. 认证 Controller

AuthController

package com.example.polls.controller;

import com.example.polls.exception.AppException;
import com.example.polls.model.Role;
import com.example.polls.model.RoleName;
import com.example.polls.model.User;
import com.example.polls.payload.ApiResponse;
import com.example.polls.payload.JwtAuthenticationResponse;
import com.example.polls.payload.LoginRequest;
import com.example.polls.payload.SignUpRequest;
import com.example.polls.repository.RoleRepository;
import com.example.polls.repository.UserRepository;
import com.example.polls.security.JwtTokenProvider;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.servlet.support.ServletUriComponentsBuilder;

import javax.validation.Valid;
import java.net.URI;
import java.util.Collections;

@RestController
@RequestMapping("/api/auth")
public class AuthController {

    @Autowired
    AuthenticationManager authenticationManager;

    @Autowired
    UserRepository userRepository;

    @Autowired
    RoleRepository roleRepository;

    @Autowired
    PasswordEncoder passwordEncoder;

    @Autowired
    JwtTokenProvider tokenProvider;

    @PostMapping("/signin")
    public ResponseEntity<?> authenticateUser(@Valid @RequestBody LoginRequest loginRequest) {

        Authentication authentication = authenticationManager.authenticate(
                new UsernamePasswordAuthenticationToken(
                        loginRequest.getUsernameOrEmail(),
                        loginRequest.getPassword()
                )
        );

        SecurityContextHolder.getContext().setAuthentication(authentication);

        String jwt = tokenProvider.generateToken(authentication);
        return ResponseEntity.ok(new JwtAuthenticationResponse(jwt));
    }

    @PostMapping("/signup")
    public ResponseEntity<?> registerUser(@Valid @RequestBody SignUpRequest signUpRequest) {
        if(userRepository.existsByUsername(signUpRequest.getUsername())) {
            return new ResponseEntity(new ApiResponse(false, "Username is already taken!"),
                    HttpStatus.BAD_REQUEST);
        }

        if(userRepository.existsByEmail(signUpRequest.getEmail())) {
            return new ResponseEntity(new ApiResponse(false, "Email Address already in use!"),
                    HttpStatus.BAD_REQUEST);
        }

        // Creating user's account
        User user = new User(signUpRequest.getName(), signUpRequest.getUsername(),
                signUpRequest.getEmail(), signUpRequest.getPassword());

        user.setPassword(passwordEncoder.encode(user.getPassword()));

        Role userRole = roleRepository.findByName(RoleName.ROLE_USER)
                .orElseThrow(() -> new AppException("User Role not set."));

        user.setRoles(Collections.singleton(userRole));

        User result = userRepository.save(user);

        URI location = ServletUriComponentsBuilder
                .fromCurrentContextPath().path("/users/{username}")
                .buildAndExpand(result.getUsername()).toUri();

        return ResponseEntity.created(location).body(new ApiResponse(true, "User registered successfully"));
    }
}

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5. 扩展阅读

Spring Security官方文档
 JWT 安全认证和 Refresh Token

1. 本次构建安全架构概述

2. 配置 Spring Security 和 JWT

代码

SecurityConfig

代码解读

1. @EnableWebSecurity

2. @EnableGlobalMethodSecurity

3. WebSecurityConfigurerAdapter

4. CustomUserDetailsService

5. JwtAuthenticationEntryPoint

6. JwtAuthenticationFilter

7. AuthenticationManagerBuilder 和 AuthenticationManager

8. HttpSecurity configurations

3. 创建自定义Spring Security Classes, Filters, and Annotations

3.1. 自定义 Spring Security AuthenticationEntryPoint

JwtAuthenticationEntryPoint

3.2. 自定义 Spring Security UserDetails

UserPrincipal

3.3. 自定义 Spring Security UserDetailsService

CustomUserDetailsService

3.4. 生成及验证JWT 的 工具类

JwtTokenProvider

3.5. 自定义 Spring Security AuthenticationFilter

JwtAuthenticationFilter

3.6. 自定义断言获取当前用户

CurrentUser

4. 登录注册API

4.1. 请求Payloads

LoginRequest

SignUpRequest

4.2. 响应Payloads

JwtAuthenticationResponse

ApiResponse

4.3. 自定义业务异常

AppException

BadRequestException

ResourceNotFoundException

4.4. 认证 Controller

AuthController

5. 扩展阅读

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3.4. 生成及验证JWT 的工具类