feat: 리프레시 토큰 로컬 캐시로 저장소 변경 (#206)

* chore: guava implements

* refactor: delete redis code

* feat: set time based InMemoryRepository

* refactor: 토큰 재발급 코드 수정

* test: refreshToken test code

* style: 주석 제거

* test: TokenService test

build.gradle

@@ -43,7 +43,7 @@ dependencies {
     implementation 'com.github.gavlyukovskiy:p6spy-spring-boot-starter:1.5.6'
     implementation 'org.springframework.boot:spring-boot-starter-data-redis'
     implementation 'org.apache.commons:commons-lang3:3.12.0'
-
+    implementation "com.google.guava:guava:32.1.3-jre"
     implementation "com.querydsl:querydsl-jpa:${queryDslVersion}"
     implementation "com.querydsl:querydsl-apt:${queryDslVersion}"
 

src/main/java/com/plzgraduate/myongjigraduatebe/auth/adaptor/in/web/token/TokenController.java

@@ -2,12 +2,11 @@
 
 import javax.validation.Valid;
 
-import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 
-import com.plzgraduate.myongjigraduatebe.auth.application.port.in.TokenResponse;
+import com.plzgraduate.myongjigraduatebe.auth.application.port.in.AccessTokenResponse;
 import com.plzgraduate.myongjigraduatebe.auth.application.port.in.token.TokenUseCase;
 import com.plzgraduate.myongjigraduatebe.core.meta.WebAdapter;
 
@@ -16,12 +15,12 @@
 @WebAdapter
 @RequiredArgsConstructor
 @RequestMapping("/api/v1/auth")
-class TokenController {
+public class TokenController {
 
 	private final TokenUseCase tokenUseCase;
 
 	@PostMapping("/token")
-	public TokenResponse newToken(@Valid @RequestBody TokenRequest tokenRequest) {
+	public AccessTokenResponse newToken(@Valid @RequestBody TokenRequest tokenRequest) {
 		return tokenUseCase.createNewToken(TokenRequest.toCommand(tokenRequest.getRefreshToken()));
 	}
 }

src/main/java/com/plzgraduate/myongjigraduatebe/auth/adaptor/out/InMemoryTokenRepository.java

@@ -0,0 +1,32 @@
+package com.plzgraduate.myongjigraduatebe.auth.adaptor.out;
+
+import java.util.Optional;
+import java.util.concurrent.TimeUnit;
+
+import org.springframework.stereotype.Component;
+
+import com.google.common.cache.Cache;
+import com.google.common.cache.CacheBuilder;
+import com.plzgraduate.myongjigraduatebe.auth.application.port.out.FindRefreshTokenPort;
+import com.plzgraduate.myongjigraduatebe.auth.application.port.out.SaveRefreshTokenPort;
+
+import lombok.RequiredArgsConstructor;
+
+@Component
+@RequiredArgsConstructor
+public class InMemoryTokenRepository implements FindRefreshTokenPort, SaveRefreshTokenPort {
+	private static final Cache<String, Long> TOKEN_REPOSITORY = CacheBuilder.newBuilder()
+		.expireAfterWrite(15, TimeUnit.DAYS)
+		.build();
+
+	@Override
+	public void saveRefreshToken(String refreshToken, Long userId) {
+		TOKEN_REPOSITORY.put(refreshToken, userId);
+	}
+
+	@Override
+	public Optional<Long> findByRefreshToken(String refreshToken) {
+		return Optional.ofNullable(TOKEN_REPOSITORY.getIfPresent(refreshToken));
+	}
+
+}

src/main/java/com/plzgraduate/myongjigraduatebe/auth/application/port/in/AccessTokenResponse.java

@@ -0,0 +1,23 @@
+package com.plzgraduate.myongjigraduatebe.auth.application.port.in;
+
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor
+public class AccessTokenResponse {
+	private String accessToken;
+
+	@Builder
+	private AccessTokenResponse(String accessToken) {
+		this.accessToken = accessToken;
+	}
+
+	public static AccessTokenResponse from(String accessToken) {
+		return AccessTokenResponse
+			.builder()
+			.accessToken(accessToken)
+			.build();
+	}
+}

src/main/java/com/plzgraduate/myongjigraduatebe/auth/application/port/in/token/TokenUseCase.java

@@ -1,7 +1,7 @@
 package com.plzgraduate.myongjigraduatebe.auth.application.port.in.token;
 
-import com.plzgraduate.myongjigraduatebe.auth.application.port.in.TokenResponse;
+import com.plzgraduate.myongjigraduatebe.auth.application.port.in.AccessTokenResponse;
 
 public interface TokenUseCase {
-	TokenResponse createNewToken(TokenCommand tokenCommand);
+	AccessTokenResponse createNewToken(TokenCommand tokenCommand);
 }

src/main/java/com/plzgraduate/myongjigraduatebe/auth/application/port/out/FindRefreshTokenPort.java

@@ -2,10 +2,6 @@
 
 import java.util.Optional;
 
-import javax.swing.text.html.Option;
-
-import com.plzgraduate.myongjigraduatebe.auth.domain.RefreshToken;
-
 public interface FindRefreshTokenPort {
-	Optional<RefreshToken> findByRefreshToken(String refreshToken);
+	Optional<Long> findByRefreshToken(String refreshToken);
 }

src/main/java/com/plzgraduate/myongjigraduatebe/auth/application/port/out/SaveRefreshTokenPort.java

@@ -1,7 +1,6 @@
 package com.plzgraduate.myongjigraduatebe.auth.application.port.out;
 
-import com.plzgraduate.myongjigraduatebe.auth.domain.RefreshToken;
 
 public interface SaveRefreshTokenPort {
-	void saveRefreshToken(RefreshToken refreshToken);
+	void saveRefreshToken(String refreshToken, Long userId);
 }

src/main/java/com/plzgraduate/myongjigraduatebe/auth/application/service/signin/SignInService.java

@@ -8,8 +8,7 @@
 import com.plzgraduate.myongjigraduatebe.auth.application.port.in.signin.SignInUseCase;
 import com.plzgraduate.myongjigraduatebe.auth.application.port.in.signin.SignInCommand;
 import com.plzgraduate.myongjigraduatebe.auth.application.port.in.TokenResponse;
-import com.plzgraduate.myongjigraduatebe.auth.application.service.token.RefreshTokenService;
-import com.plzgraduate.myongjigraduatebe.auth.domain.RefreshToken;;
+import com.plzgraduate.myongjigraduatebe.auth.application.port.out.SaveRefreshTokenPort;
 import com.plzgraduate.myongjigraduatebe.auth.security.JwtAuthenticationToken;
 import com.plzgraduate.myongjigraduatebe.auth.security.TokenProvider;
 import com.plzgraduate.myongjigraduatebe.core.meta.UseCase;
@@ -22,18 +21,17 @@
 class SignInService implements SignInUseCase {
 
 	private final TokenProvider tokenProvider;
-
 	private final AuthenticationManager authenticationManager;
-	private final RefreshTokenService refreshTokenService;
+	private final SaveRefreshTokenPort saveRefreshTokenPort;
 
 	@Override
 	public TokenResponse signIn(SignInCommand signInCommand) {
 		Authentication authentication = authenticateCommand(signInCommand);
 		Long userId = (Long) authentication.getPrincipal();
 		String accessToken = tokenProvider.generateToken(userId);
-		RefreshToken refreshToken = RefreshToken.createToken(userId);
-		refreshTokenService.saveRefreshToken(refreshToken);
-		return TokenResponse.from(accessToken, refreshToken.getRefreshToken());
+		String refreshToken = tokenProvider.generateRefreshToken();
+		saveRefreshTokenPort.saveRefreshToken(refreshToken, userId);
+		return TokenResponse.from(accessToken, refreshToken);
 	}
 
 	private Authentication authenticateCommand(SignInCommand signInCommand) {

src/main/java/com/plzgraduate/myongjigraduatebe/auth/application/service/token/TokenService.java

@@ -1,12 +1,9 @@
 package com.plzgraduate.myongjigraduatebe.auth.application.service.token;
 
-import org.springframework.security.core.Authentication;
-
-import com.plzgraduate.myongjigraduatebe.auth.application.port.in.TokenResponse;
+import com.plzgraduate.myongjigraduatebe.auth.application.port.in.AccessTokenResponse;
 import com.plzgraduate.myongjigraduatebe.auth.application.port.in.token.TokenCommand;
 import com.plzgraduate.myongjigraduatebe.auth.application.port.in.token.TokenUseCase;
-import com.plzgraduate.myongjigraduatebe.auth.domain.RefreshToken;
-import com.plzgraduate.myongjigraduatebe.auth.security.JwtAuthenticationToken;
+import com.plzgraduate.myongjigraduatebe.auth.application.port.out.FindRefreshTokenPort;
 import com.plzgraduate.myongjigraduatebe.auth.security.TokenProvider;
 import com.plzgraduate.myongjigraduatebe.core.meta.UseCase;
 
@@ -15,13 +12,19 @@
 @UseCase
 @RequiredArgsConstructor
 public class TokenService implements TokenUseCase {
+
 	private final TokenProvider tokenProvider;
 
-	private final RefreshTokenService refreshTokenService;
+	private final FindRefreshTokenPort findRefreshTokenPort;
 	@Override
-	public TokenResponse createNewToken(TokenCommand tokenCommand) {
-		RefreshToken refreshToken = refreshTokenService.findByRefreshToken(tokenCommand.getRefreshToken());
-		String accessToken = tokenProvider.generateToken(refreshToken.getUserId());
-		return TokenResponse.from(accessToken, refreshToken.getRefreshToken());
+	public AccessTokenResponse createNewToken(TokenCommand tokenCommand) {
+		Long userId = findByRefreshToken(tokenCommand.getRefreshToken());
+		String accessToken = tokenProvider.generateToken(userId);
+		return AccessTokenResponse.from(accessToken);
+	}
+
+	private Long findByRefreshToken(String refreshToken) {
+		return findRefreshTokenPort.findByRefreshToken(refreshToken)
+			.orElseThrow(() -> new IllegalArgumentException("유효하지 않은 토큰입니다."));
 	}
 }