2024年4月23日第四十篇

石铁生發表於2024-04-24

今天主要完成了jwt令牌對使用者的加密，使得資料庫系統的安全性得到了提升，

package com.example.greensage.util;

import com.example.greensage.service.IUserService;
import com.nimbusds.jose.jwk.JWK;
import com.nimbusds.jose.jwk.JWKSet;
import com.nimbusds.jose.jwk.RSAKey;
import com.nimbusds.jose.jwk.source.ImmutableJWKSet;
import com.nimbusds.jose.jwk.source.JWKSource;
import com.nimbusds.jose.proc.SecurityContext;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.Customizer;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.security.oauth2.jwt.JwtDecoder;
import org.springframework.security.oauth2.jwt.JwtEncoder;
import org.springframework.security.oauth2.jwt.NimbusJwtDecoder;
import org.springframework.security.oauth2.jwt.NimbusJwtEncoder;
import org.springframework.security.oauth2.server.resource.web.BearerTokenAuthenticationEntryPoint;
import org.springframework.security.oauth2.server.resource.web.access.BearerTokenAccessDeniedHandler;
import org.springframework.security.web.SecurityFilterChain;

import java.security.interfaces.RSAPrivateKey;
import java.security.interfaces.RSAPublicKey;


@Configuration
public class RestConfig {
    @Value("${jwt.public.key}")
    RSAPublicKey key;
    @Value("${jwt.private.key}")
    RSAPrivateKey privateKey;

    @Bean
    public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
        http    .csrf((csrf) -> csrf.ignoringRequestMatchers("/api/**"))
                .authorizeHttpRequests(
                        (authorizeRequests) -> authorizeRequests
                                .anyRequest().permitAll()
                )
                .httpBasic(Customizer.withDefaults())
                .oauth2ResourceServer((oautu2) -> oautu2.jwt(Customizer.withDefaults()))
                .sessionManagement((sessionManagement) -> sessionManagement
                        .sessionCreationPolicy(SessionCreationPolicy.STATELESS)
                )
                .exceptionHandling((exceptions) -> exceptions
                        .authenticationEntryPoint(new BearerTokenAuthenticationEntryPoint())
                        .accessDeniedHandler(new BearerTokenAccessDeniedHandler())
                );
        return http.build();
    }

    @Bean
    UserDetailsService users() {
        return new UserDetailsService() {
            @Autowired
            private IUserService userService;

            @Override
            public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {

                return userService.findByUsername(username);
            }
        };
    }

    @Bean
    JwtDecoder jwtDecoder() {
        return NimbusJwtDecoder.withPublicKey(this.key).build();
    }

    @Bean
    JwtEncoder jwtEncoder() {
        JWK jwk = new RSAKey.Builder(this.key).privateKey(this.privateKey).build();
        JWKSource<SecurityContext> jwks = new ImmutableJWKSet<>(new JWKSet(jwk));
        return new NimbusJwtEncoder(jwks);
    }
}

使用這個來對使用者進行加密，使用

-----BEGIN PRIVATE KEY-----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-----END PRIVATE KEY-----

加密，在物件上加上

package com.example.greensage.entity;

import com.baomidou.mybatisplus.annotation.TableName;
import com.baomidou.mybatisplus.annotation.IdType;
import com.baomidou.mybatisplus.annotation.TableId;
import java.io.Serializable;
import java.util.Collection;
import java.util.List;

import lombok.Data;
import lombok.EqualsAndHashCode;
import lombok.experimental.Accessors;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;

/**
 * <p>
 * 
 * </p>
 *
 * @author xue
 * @since 2024-04-19
 */
@Data
@EqualsAndHashCode(callSuper = false)
@Accessors(chain = true)
@TableName("_user")
public class User implements Serializable,UserDetails{

    private static final long serialVersionUID = 1L;

    @TableId(value = "id", type = IdType.AUTO)
    private Long id;

    private String username;

    private String nickname;

    private String password;

    private String role;

    private Integer points;

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

    @Override
    public Collection<? extends GrantedAuthority> getAuthorities() {
        return List.of((GrantedAuthority) () -> role);
    }

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

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

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

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

然後在請求時呼叫

 @GetMapping
    public ResponseEntity<?> getUserinfo(Authentication authentication) {
        return ResponseEntity.ok(authentication.getName());
    }

封裝完成

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