Feature | #4 | @lcomment | OAuth 관련 Provider 구현

cakk-api/src/main/java/com/cakk/api/provider/oauth/OidcProvider.java

@@ -1,19 +1,26 @@
 package com.cakk.api.provider.oauth;
 
+import static com.cakk.common.enums.ReturnCode.*;
 import static com.cakk.common.utils.DecodeUtils.*;
 
 import java.io.IOException;
-import java.security.GeneralSecurityException;
 import java.util.Map;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
 
-public abstract class OidcProvider {
+import com.cakk.common.exception.CakkException;
 
-	public abstract String getProviderId(String idToken) throws GeneralSecurityException, IOException;
+public interface OidcProvider {
 
-	protected Map<String, String> parseHeaders(String token) throws IOException {
+	String getProviderId(String idToken);
+
+	default Map<String, String> parseHeaders(String token) {
 		String header = token.split("\\.")[0];
-		return new ObjectMapper().readValue(decodeBase64(header), Map.class);
+
+		try {
+			return new ObjectMapper().readValue(decodeBase64(header), Map.class);
+		} catch (IOException e) {
+			throw new CakkException(INTERNAL_SERVER_ERROR);
+		}
 	}
 }

cakk-api/src/main/java/com/cakk/api/provider/oauth/impl/AppleAuthProvider.java

@@ -1,11 +1,31 @@
 package com.cakk.api.provider.oauth.impl;
 
+import java.io.IOException;
+import java.security.PublicKey;
+
+import org.springframework.stereotype.Component;
+
+import lombok.RequiredArgsConstructor;
+
+import com.cakk.api.provider.jwt.JwtProvider;
 import com.cakk.api.provider.oauth.OidcProvider;
+import com.cakk.api.provider.oauth.PublicKeyProvider;
+import com.cakk.client.vo.OidcPublicKeyList;
+import com.cakk.client.web.AppleAuthClient;
 
-public class AppleAuthProvider extends OidcProvider {
+@Component
+@RequiredArgsConstructor
+public class AppleAuthProvider implements OidcProvider {
+
+	private final AppleAuthClient appleAuthClient;
+	private final PublicKeyProvider publicKeyProvider;
+	private final JwtProvider jwtProvider;
 
 	@Override
 	public String getProviderId(String idToken) {
-		return null;
+		final OidcPublicKeyList oidcPublicKeyList = appleAuthClient.getPublicKeys();
+		final PublicKey publicKey = publicKeyProvider.generatePublicKey(parseHeaders(idToken), oidcPublicKeyList);
+
+		return jwtProvider.parseClaims(idToken, publicKey).getSubject();
 	}
 }

cakk-api/src/main/java/com/cakk/api/provider/oauth/impl/GoogleAuthProvider.java

@@ -17,7 +17,7 @@
 
 @Component
 @RequiredArgsConstructor
-public class GoogleAuthProvider extends OidcProvider {
+public class GoogleAuthProvider implements OidcProvider {
 
 	private final GoogleIdTokenVerifier googleIdTokenVerifier;
 

cakk-api/src/main/java/com/cakk/api/provider/oauth/impl/KakaoAuthProvider.java

@@ -1,19 +1,30 @@
 package com.cakk.api.provider.oauth.impl;
 
+import java.security.PublicKey;
+
 import org.springframework.stereotype.Component;
+
 import lombok.RequiredArgsConstructor;
 
+import com.cakk.api.provider.jwt.JwtProvider;
 import com.cakk.api.provider.oauth.OidcProvider;
+import com.cakk.api.provider.oauth.PublicKeyProvider;
+import com.cakk.client.vo.OidcPublicKeyList;
 import com.cakk.client.web.KakaoAuthClient;
 
 @Component
 @RequiredArgsConstructor
-public class KakaoAuthProvider extends OidcProvider {
+public class KakaoAuthProvider implements OidcProvider {
 
 	private final KakaoAuthClient kakaoAuthClient;
+	private final PublicKeyProvider publicKeyProvider;
+	private final JwtProvider jwtProvider;
 
 	@Override
 	public String getProviderId(String idToken) {
-		return null;
+		final OidcPublicKeyList oidcPublicKeyList = kakaoAuthClient.getPublicKeys();
+		final PublicKey publicKey = publicKeyProvider.generatePublicKey(parseHeaders(idToken), oidcPublicKeyList);
+
+		return jwtProvider.parseClaims(idToken, publicKey).getSubject();
 	}
 }