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[43] AOP 를 사용한 권한 체크 #45
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11 changes: 11 additions & 0 deletions
11
src/main/java/org/example/commerce_site/common/auth/PartnerCheck.java
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package org.example.commerce_site.common.auth; | ||
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import java.lang.annotation.ElementType; | ||
import java.lang.annotation.Retention; | ||
import java.lang.annotation.RetentionPolicy; | ||
import java.lang.annotation.Target; | ||
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@Target(ElementType.METHOD) | ||
@Retention(RetentionPolicy.RUNTIME) | ||
public @interface PartnerCheck { | ||
} |
66 changes: 66 additions & 0 deletions
66
src/main/java/org/example/commerce_site/common/auth/RoleCheckAspect.java
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package org.example.commerce_site.common.auth; | ||
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import java.util.List; | ||
import java.util.Map; | ||
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import org.aspectj.lang.ProceedingJoinPoint; | ||
import org.aspectj.lang.annotation.Around; | ||
import org.aspectj.lang.annotation.Aspect; | ||
import org.example.commerce_site.attribute.UserRoles; | ||
import org.example.commerce_site.common.exception.CustomException; | ||
import org.example.commerce_site.common.exception.ErrorCode; | ||
import org.example.commerce_site.common.util.JwtUtil; | ||
import org.springframework.security.oauth2.jwt.Jwt; | ||
import org.springframework.stereotype.Component; | ||
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import jakarta.servlet.http.HttpServletRequest; | ||
import lombok.RequiredArgsConstructor; | ||
import lombok.extern.slf4j.Slf4j; | ||
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@Slf4j | ||
@Aspect | ||
@RequiredArgsConstructor | ||
@Component | ||
public class RoleCheckAspect { | ||
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private static final String AUTHORIZATION = "Authorization"; | ||
private static final String BEARER_PREFIX = "Bearer "; | ||
private final HttpServletRequest httpServletRequest; | ||
private final JwtUtil jwtUtil; | ||
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@Around("@annotation(org.example.commerce_site.common.auth.PartnerCheck)") | ||
public Object checkPartner(ProceedingJoinPoint joinPoint) throws Throwable { | ||
return checkRole(joinPoint, UserRoles.ROLE_PARTNER); | ||
} | ||
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@Around("@annotation(org.example.commerce_site.common.auth.UserCheck)") | ||
public Object checkUser(ProceedingJoinPoint joinPoint) throws Throwable { | ||
return checkRole(joinPoint, UserRoles.ROLE_USER); | ||
} | ||
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private Object checkRole(ProceedingJoinPoint joinPoint, UserRoles requiredRole) throws Throwable { | ||
String token = extractTokenFromRequest(); | ||
Jwt jwt = jwtUtil.decodeToken(token); | ||
List<String> roleList = extractAuthorities(jwt); | ||
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if (!roleList.contains(requiredRole.name())) { | ||
throw new CustomException(ErrorCode.ACCESS_DENIED); | ||
} | ||
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return joinPoint.proceed(); | ||
} | ||
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private String extractTokenFromRequest() { | ||
String authorizationHeader = httpServletRequest.getHeader(AUTHORIZATION); | ||
if (authorizationHeader == null || !authorizationHeader.startsWith(BEARER_PREFIX)) { | ||
throw new CustomException(ErrorCode.ACCESS_DENIED); | ||
} | ||
return authorizationHeader.substring(BEARER_PREFIX.length()); | ||
} | ||
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private List<String> extractAuthorities(Jwt jwt) { | ||
var resourceAccess = (Map<String, Object>)jwt.getClaim("resource_access"); | ||
var roles = (Map<String, Object>)resourceAccess.get("oauth2-client-app"); | ||
return (List<String>)roles.get("roles"); | ||
} | ||
} |
11 changes: 11 additions & 0 deletions
11
src/main/java/org/example/commerce_site/common/auth/UserCheck.java
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package org.example.commerce_site.common.auth; | ||
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import java.lang.annotation.ElementType; | ||
import java.lang.annotation.Retention; | ||
import java.lang.annotation.RetentionPolicy; | ||
import java.lang.annotation.Target; | ||
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@Target(ElementType.METHOD) | ||
@Retention(RetentionPolicy.RUNTIME) | ||
public @interface UserCheck { | ||
} |
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@@ -16,6 +16,9 @@ public enum ErrorCode { | |
INVALID_PARAM(HttpStatus.BAD_REQUEST, 400, "잘못된 parameter 입니다."), | ||
ACCESS_DENIED(HttpStatus.FORBIDDEN, 403, "권한이 부족합니다."), | ||
METHOD_NOT_ALLOWED(HttpStatus.METHOD_NOT_ALLOWED, 405, "허용되지 않은 메소드 입니다."), | ||
//auth | ||
JWT_DECODING_ERROR(HttpStatus.NOT_FOUND, 401, "JWT Decoding error"), | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. httpStatus도 맞추면 좋을 것 같습니다. HttpStatus와 code를 각각 받아야할까요? |
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//address | ||
ADDRESS_NOT_FOUND(HttpStatus.NOT_FOUND, 404, "배송지 정보를 찾을 수 없습니다."), | ||
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27 changes: 27 additions & 0 deletions
27
src/main/java/org/example/commerce_site/common/util/JwtUtil.java
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package org.example.commerce_site.common.util; | ||
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import org.example.commerce_site.common.exception.CustomException; | ||
import org.example.commerce_site.common.exception.ErrorCode; | ||
import org.springframework.security.oauth2.jwt.Jwt; | ||
import org.springframework.security.oauth2.jwt.JwtException; | ||
import org.springframework.security.oauth2.jwt.NimbusJwtDecoder; | ||
import org.springframework.stereotype.Component; | ||
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import lombok.RequiredArgsConstructor; | ||
import lombok.extern.slf4j.Slf4j; | ||
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@Slf4j | ||
@Component | ||
@RequiredArgsConstructor | ||
public class JwtUtil { | ||
private final NimbusJwtDecoder jwtDecoder; | ||
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public Jwt decodeToken(String token) { | ||
try { | ||
return jwtDecoder.decode(token); | ||
} catch (JwtException e) { | ||
log.error(e.getMessage()); | ||
throw new CustomException(ErrorCode.JWT_DECODING_ERROR); | ||
} | ||
} | ||
} |
14 changes: 14 additions & 0 deletions
14
src/main/java/org/example/commerce_site/config/JwtDecoderConfig.java
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package org.example.commerce_site.config; | ||
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import org.springframework.context.annotation.Bean; | ||
import org.springframework.context.annotation.Configuration; | ||
import org.springframework.security.oauth2.jwt.NimbusJwtDecoder; | ||
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@Configuration | ||
public class JwtDecoderConfig { | ||
@Bean | ||
public NimbusJwtDecoder jwtDecoder() { | ||
String jwkSetUri = "http://localhost:9090/realms/oauth2/protocol/openid-connect/certs"; | ||
return NimbusJwtDecoder.withJwkSetUri(jwkSetUri).build(); | ||
} | ||
} |
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이 request는 어디서 받아오나요?
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클라이언트가 서버에 요청을 보내면 tomcat 이 이를 수신하고 디스패쳐 서블릿으로 보냅니다.
디스패쳐 서블릿은 모든 http 요청을 가로채서 요청이 처리 되는 동안에 유효한 HttpServletRequest 객체를 만들고 스프링에서 이를 주입해줍니다.