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Java Spring Boot 服务中认证/授权、验证、CSRF、密钥、标头、速率限制和依赖安全性的 Spring Security 最佳实践。
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| name | springboot-security |
| description | Java Spring Boot 服务中认证/授权、验证、CSRF、密钥、标头、速率限制和依赖安全性的 Spring Security 最佳实践。 |
| origin | ECC |
在添加身份验证、处理输入、创建端点或处理密钥时使用。
httpOnly、Secure、SameSite=Strict cookieOncePerRequestFilter 或资源服务器验证令牌@Component
public class JwtAuthFilter extends OncePerRequestFilter {
private final JwtService jwtService;
public JwtAuthFilter(JwtService jwtService) {
this.jwtService = jwtService;
}
@Override
protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response,
FilterChain chain) throws ServletException, IOException {
String header = request.getHeader(HttpHeaders.AUTHORIZATION);
if (header != null && header.startsWith("Bearer ")) {
String token = header.substring(7);
Authentication auth = jwtService.authenticate(token);
SecurityContextHolder.getContext().setAuthentication(auth);
}
chain.doFilter(request, response);
}
}
@EnableMethodSecurity@PreAuthorize("hasRole('ADMIN')") 或 @PreAuthorize("@authz.canEdit(#id)")@RestController
@RequestMapping("/api/admin")
public class AdminController {
@PreAuthorize("hasRole('ADMIN')")
@GetMapping("/users")
public List<UserDto> listUsers() {
return userService.findAll();
}
@PreAuthorize("@authz.isOwner(#id, authentication)")
@DeleteMapping("/users/{id}")
public ResponseEntity<Void> deleteUser(@PathVariable Long id) {
userService.delete(id);
return ResponseEntity.noContent().build();
}
}
@Valid 的 Bean 验证@NotBlank、@Email、@Size、自定义验证器// BAD: No validation
@PostMapping("/users")
public User createUser(@RequestBody UserDto dto) {
return userService.create(dto);
}
// GOOD: Validated DTO
public record CreateUserDto(
@NotBlank @Size(max = 100) String name,
@NotBlank @Email String email,
@NotNull @Min(0) @Max(150) Integer age
) {}
@PostMapping("/users")
public ResponseEntity<UserDto> createUser(@Valid @RequestBody CreateUserDto dto) {
return ResponseEntity.status(HttpStatus.CREATED)
.body(userService.create(dto));
}
:param 绑定；切勿拼接字符串// BAD: String concatenation in native query
@Query(value = "SELECT * FROM users WHERE name = '" + name + "'", nativeQuery = true)
// GOOD: Parameterized native query
@Query(value = "SELECT * FROM users WHERE name = :name", nativeQuery = true)
List<User> findByName(@Param("name") String name);
// GOOD: Spring Data derived query (auto-parameterized)
List<User> findByEmailAndActiveTrue(String email);
PasswordEncoder Bean，而非手动哈希@Bean
public PasswordEncoder passwordEncoder() {
return new BCryptPasswordEncoder(12); // cost factor 12
}
// In service
public User register(CreateUserDto dto) {
String hashedPassword = passwordEncoder.encode(dto.password());
return userRepository.save(new User(dto.email(), hashedPassword));
}
http
.csrf(csrf -> csrf.disable())
.sessionManagement(sm -> sm.sessionCreationPolicy(SessionCreationPolicy.STATELESS));
application.yml 不包含凭据；使用占位符# BAD: Hardcoded in application.yml
spring:
datasource:
password: mySecretPassword123
# GOOD: Environment variable placeholder
spring:
datasource:
password: ${DB_PASSWORD}
# GOOD: Spring Cloud Vault integration
spring:
cloud:
vault:
uri: https://vault.example.com
token: ${VAULT_TOKEN}
http
.headers(headers -> headers
.contentSecurityPolicy(csp -> csp
.policyDirectives("default-src 'self'"))
.frameOptions(HeadersConfigurer.FrameOptionsConfig::sameOrigin)
.xssProtection(Customizer.withDefaults())
.referrerPolicy(rp -> rp.policy(ReferrerPolicyHeaderWriter.ReferrerPolicy.NO_REFERRER)));
*@Bean
public CorsConfigurationSource corsConfigurationSource() {
CorsConfiguration config = new CorsConfiguration();
config.setAllowedOrigins(List.of("https://app.example.com"));
config.setAllowedMethods(List.of("GET", "POST", "PUT", "DELETE"));
config.setAllowedHeaders(List.of("Authorization", "Content-Type"));
config.setAllowCredentials(true);
config.setMaxAge(3600L);
UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
source.registerCorsConfiguration("/api/**", config);
return source;
}
// In SecurityFilterChain:
http.cors(cors -> cors.configurationSource(corsConfigurationSource()));
// Using Bucket4j for per-endpoint rate limiting
@Component
public class RateLimitFilter extends OncePerRequestFilter {
private final Map<String, Bucket> buckets = new ConcurrentHashMap<>();
private Bucket createBucket() {
return Bucket.builder()
.addLimit(Bandwidth.classic(100, Refill.intervally(100, Duration.ofMinutes(1))))
.build();
}
@Override
protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response,
FilterChain chain) throws ServletException, IOException {
String clientIp = request.getRemoteAddr();
Bucket bucket = buckets.computeIfAbsent(clientIp, k -> createBucket());
if (bucket.tryConsume(1)) {
chain.doFilter(request, response);
} else {
response.setStatus(HttpStatus.TOO_MANY_REQUESTS.value());
response.getWriter().write("{\"error\": \"Rate limit exceeded\"}");
}
}
}
记住：默认拒绝、验证输入、最小权限、优先采用安全配置。