Spring Security jwt 验证问题？

Question

Spring Security jwt 验证问题？

kaipizhe

1.6k29189264

发布于
11 月 20 日广东

前端请求 Authorization 必须是正确并且没过期，或不设置这个值才可以，这是为什么，我 SecurityConfig 中已经配置放行了。

Authorization 不设置这个值都可以，为什么错误不行，怎么设置才可以放行中的链接错误也可以，错误和不设置这个值 @AuthenticationPrincipal Jwt jwt 为空就行了

SecurityConfig.java

@EnableWebSecurity
@Configuration(proxyBeanMethods = false)
public class SecurityConfig {

    @Value("${jwt.public.key}")
    RSAPublicKey key;

    @Value("${jwt.private.key}")
    RSAPrivateKey priv;

    @Bean
    SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {

        http
                .httpBasic(AbstractHttpConfigurer::disable)
                .csrf(AbstractHttpConfigurer::disable)
                .logout(AbstractHttpConfigurer::disable)
                .cors(Customizer.withDefaults())
                .sessionManagement(sessionManagement -> sessionManagement.sessionCreationPolicy(SessionCreationPolicy.STATELESS))
                .authorizeHttpRequests(authorize -> authorize
                        .requestMatchers("/test/**").permitAll()
                        .anyRequest().authenticated()
                )
                .oauth2ResourceServer(oauth2 -> {
                    oauth2.jwt(Customizer.withDefaults());
                });

        return http.build();
    }

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

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

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

}

TestController.java

@RestController
@RequestMapping("/test")
public class TestController {

    @PostMapping("/list")
    public Map<String, Object> listCart(@AuthenticationPrincipal Jwt jwt, HttpServletRequest req) {
        Map<String, Object> map = new HashMap<>();

        if (jwt != null) {
            map.put("id", jwt.getId());
        }

        return map;
    }

}

前端请求

$fetch('http://localhost:8080/test/list', {
    method: 'POST',
    headers: {
        Authorization: 'Bearer 1111111111',
    }
})

spring-security springboot

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1 个回答

得票最新

Seven

592116

发布于
11 月 20 日广东

更新于
11 月 20 日

可以用自定义过滤器，我写个例子给你看一下

项目结构

src
└── main
    └── java
        └── com
            └── yourcompany
                └── yourproject
                    ├── config
                    │   └── SecurityConfig.java
                    ├── filter
                    │   └── CustomJwtAuthenticationFilter.java
                    └── controller
                        └── TestController.java

`主要改动`

自定义过滤器：
新增：CustomJwtAuthenticationFilter 过滤器，并在过滤器链中配置 addFilterBefore 方法，将其放在 UsernamePasswordAuthenticationFilter 之前。
配置方式：
原来：使用 SecurityFilterChain 和 HttpSecurity 的 lambda 表达式配置方式。
修改后：继承 WebSecurityConfigurerAdapter 并重写 configure 方法。

CustomJwtAuthenticationFilter.java

package com.yourcompany.yourproject.filter;

import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.web.authentication.preauth.AbstractPreAuthenticatedProcessingFilter;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
package com.yourcompany.yourproject.filter;

import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.web.authentication.preauth.AbstractPreAuthenticatedProcessingFilter;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
package com.yourcompany.yourproject.filter;

import org.springframework.security.core.context.SecurityContextHolder;
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 CustomJwtAuthenticationFilter extends OncePerRequestFilter {

    @Override
    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain)
            throws ServletException, IOException {
        try {
            filterChain.doFilter(request, response);
        } catch (Exception e) {
            // 清除安全上下文
            SecurityContextHolder.clearContext();
            filterChain.doFilter(request, response);
        }
    }
}

SecurityConfig.java

package com.yourcompany.yourproject.config;

import com.yourcompany.yourproject.filter.CustomJwtAuthenticationFilter;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.web.SecurityFilterChain;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;

@Configuration
@EnableWebSecurity
public class SecurityConfig {

    @Bean
    public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
package com.yourcompany.yourproject.config;

import com.yourcompany.yourproject.filter.CustomJwtAuthenticationFilter;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.web.SecurityFilterChain;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;

@Configuration
@EnableWebSecurity
public class SecurityConfig {

    @Bean
    public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
        http
            .httpBasic(httpBasic -> httpBasic.disable())
            .csrf(csrf -> csrf.disable())
            .logout(logout -> logout.disable())
            .cors(cors -> cors.and())
            .sessionManagement(sessionManagement -> sessionManagement.sessionCreationPolicy(SessionCreationPolicy.STATELESS))
            .authorizeHttpRequests(authorize -> authorize
                .requestMatchers("/test/**").permitAll()
                .anyRequest().authenticated()
            )
            .oauth2ResourceServer(oauth2 -> oauth2.jwt())
            .addFilterBefore(new CustomJwtAuthenticationFilter(), UsernamePasswordAuthenticationFilter.class);

        return http.build();
    }
}

TestController.java

package com.yourcompany.yourproject.controller;

import org.springframework.security.core.annotation.AuthenticationPrincipal;
import org.springframework.security.oauth2.jwt.Jwt;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
package com.yourcompany.yourproject.controller;

import org.springframework.security.core.annotation.AuthenticationPrincipal;
import org.springframework.security.oauth2.jwt.Jwt;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import java.util.HashMap;
import java.util.Map;

@RestController
@RequestMapping("/test")
public class TestController {

    @PostMapping("/list")
    public Map<String, Object> listCart(@AuthenticationPrincipal Jwt jwt, HttpServletRequest req) {
        Map<String, Object> map = new HashMap<>();

        if (jwt != null) {
            map.put("id", jwt.getId());
        } else {
            map.put("message", "JWT is null or invalid");
        }

        return map;
    }
}

前端请求

// 无 Authorization 头部
fetch('http://localhost:8080/test/list', {
    method: 'POST'
})
.then(response => response.json())
.then(data => console.log('No Authorization:', data))
.catch(error => console.error('Error:', error));

// 正确的 Authorization 头部
fetch('http://localhost:8080/test/list', {
// 无 Authorization 头部
fetch('http://localhost:8080/test/list', {
    method: 'POST'
})
.then(response => response.json())
.then(data => console.log('No Authorization:', data))
.catch(error => console.error('Error:', error));

// 正确的 Authorization 头部
fetch('http://localhost:8080/test/list', {
    method: 'POST',
    headers: {
        Authorization: 'Bearer your_actual_jwt_token_here',
    }
})
.then(response => response.json())
.then(data => console.log('Valid Authorization:', data))
.catch(error => console.error('Error:', error));

// 错误的 Authorization 头部
fetch('http://localhost:8080/test/list', {
    method: 'POST',
    headers: {
        Authorization: 'Bearer invalid_token',
    }
})
.then(response => response.json())
.then(data => console.log('Invalid Authorization:', data))
.catch(error => console.error('Error:', error));

检查日志

在 application.properties 中启用调试日志，查看请求被拒绝的具体原因

logging.level.org.springframework.security=DEBUG

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