AuthorizationServerConfiguration.java

@Configuration
@EnableAuthorizationServer
public class AuthorizationServerConfiguration extends AuthorizationServerConfigurerAdapter {

    @Autowired
    private AuthenticationManager authenticationManager;

    @Autowired
    private JwtAccessTokenConverter jwtAccessTokenConverter;

    @Autowired
    private ClientDetailsService jdbcClientDetailsService;

    @Autowired
    private AuthorizationCodeServices authorizationCodeServices;

    @Autowired
    private ApprovalStore approvalStore;

    @Autowired
    private TokenStore tokenStore;

    @Autowired
    private OauthTokenEnhancer oauthTokenEnhancer;

    @Override
    public void configure(AuthorizationServerEndpointsConfigurer endpoints) {
        endpoints.authenticationManager(authenticationManager);
        endpoints.accessTokenConverter(jwtAccessTokenConverter);
        endpoints.authorizationCodeServices(authorizationCodeServices);
        endpoints.approvalStore(approvalStore);
        endpoints.tokenStore(tokenStore);
        TokenEnhancerChain enhancerChain = new TokenEnhancerChain();
        List<TokenEnhancer> delegates = new ArrayList<>();
        delegates.add(oauthTokenEnhancer);
        delegates.add(jwtAccessTokenConverter);
        enhancerChain.setTokenEnhancers(delegates);
        endpoints.tokenEnhancer(enhancerChain);
    }


    @Override
    public void configure(ClientDetailsServiceConfigurer clients) throws Exception {
        clients.withClientDetails(jdbcClientDetailsService);
    }

    @Override
    public void configure(AuthorizationServerSecurityConfigurer security) {
        security.allowFormAuthenticationForClients()
                .tokenKeyAccess("permitAll()")
                .checkTokenAccess("permitAll()");
    }
}

JwtTokenConfiguration.java

@Configuration
public class JwtTokenConfiguration {

    @Bean
    public JwtAccessTokenConverter jwtAccessTokenConverter() {
        return new JwtAccessTokenConverter();
    }
}

WebSecurityConfiguration.java

@Configuration
@EnableWebSecurity
public class WebSecurityConfiguration extends WebSecurityConfigurerAdapter {

    @Autowired
    private DataSource dataSource;
    @Autowired
    private UserAuthService userAuthService;

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

    @Bean
    public AuthorizationCodeServices authorizationCodeServices() {
        return new JdbcAuthorizationCodeServices(dataSource);
    }

    @Bean
    public ApprovalStore approvalStore() {
        return new JdbcApprovalStore(dataSource);
    }

    @Bean
    public TokenStore tokenStore() {
        return new JdbcTokenStore(dataSource);
    }

    @Bean
    public OauthTokenEnhancer oauthTokenEnhancer() {
        return new OauthTokenEnhancer();
    }

    @Bean
    public ClientDetailsService jdbcClientDetailsService() {
        return new JdbcClientDetailsService(dataSource);
    }

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

    @Override
    protected void configure(AuthenticationManagerBuilder auth) {
        DaoAuthenticationProvider authProvider = new DaoAuthenticationProvider();
        authProvider.setPasswordEncoder(passwordEncoder());
        authProvider.setUserDetailsService(userAuthService);
        auth.authenticationProvider(authProvider);
    }
}

OauthController.java

@RestController
@RequestMapping("/oauth")
public class OauthController {

    @Autowired
    private TokenEndpoint tokenEndpoint;

    @GetMapping("/token")
    public Oauth getAccessToken(Principal principal, @RequestParam Map<String, String> parameters) throws HttpRequestMethodNotSupportedException {
        return tokenInfo(tokenEndpoint.getAccessToken(principal, parameters).getBody());
    }

    @PostMapping("/token")
    public Oauth postAccessToken(Principal principal, @RequestParam Map<String, String> parameters) throws HttpRequestMethodNotSupportedException {
        return tokenInfo(tokenEndpoint.postAccessToken(principal, parameters).getBody());
    }

    private Oauth tokenInfo(OAuth2AccessToken accessToken) {
        DefaultOAuth2AccessToken token = (DefaultOAuth2AccessToken) accessToken;
        token.getAdditionalInformation().remove("jti");
        LinkedHashMap<String, Object> data = new LinkedHashMap<>(token.getAdditionalInformation());
        data.put("accessToken", token.getValue());
        return Oauth.build(data);
    }
}

UserAuthMapper.java

public interface UserAuthMapper extends BaseMapper<UserAuth> {

}

Oauth.java

@Data
@AllArgsConstructor
@JsonInclude(JsonInclude.Include.NON_NULL)
public class Oauth {
    private int code;
    private String message;
    private Object data;

    public static Oauth build(Object data) {
        return new Oauth(200, "成功", data);
    }
}

UserAuth.java

@Data
@TableName("user_auths")
public class UserAuth {
    private String userId;
    private String identityType;
    private String identifier;
    private String credential;
}

OauthTokenEnhancer.java

public class OauthTokenEnhancer implements TokenEnhancer {

    @Override
    public OAuth2AccessToken enhance(OAuth2AccessToken accessToken, OAuth2Authentication authentication) {
        User user = (User) authentication.getPrincipal();
        Map<String, Object> map = new LinkedHashMap<>();
        map.put("client_id", authentication.getOAuth2Request().getClientId());
        map.put("username", user.getUsername());
        ((DefaultOAuth2AccessToken) accessToken).setAdditionalInformation(map);
        return accessToken;
    }
}

UserAuthService.java

@Service
public class UserAuthService implements UserDetailsService {

    @Autowired
    private UserAuthMapper userAuthMapper;

    @Override
    public UserDetails loadUserByUsername(String username) {
        QueryWrapper<UserAuth> queryWrapper = new QueryWrapper<>();
        queryWrapper.lambda().eq(UserAuth::getIdentifier, username);
        UserAuth userAuth = userAuthMapper.selectOne(queryWrapper);
        if (userAuth == null) {
            throw new UsernameNotFoundException("账号不存在");
        }
        List<GrantedAuthority> list = AuthorityUtils.commaSeparatedStringToAuthorityList("ROOT_USER");
        return new User(userAuth.getIdentifier(), userAuth.getCredential(), list);
    }
}

OauthDemoApplication.java

@SpringBootApplication
@MapperScan("com.scut.oauthdemo.mapper")
public class OauthDemoApplication {

    public static void main(String[] args) {
        SpringApplication.run(OauthDemoApplication.class, args);
    }
}