feat: apis,infra google social login (#141)

apis/src/main/kotlin/org/yapp/apis/auth/dto/request/SocialLoginRequest.kt

@@ -5,6 +5,7 @@ import jakarta.validation.constraints.NotBlank
 import org.yapp.apis.auth.exception.AuthErrorCode
 import org.yapp.apis.auth.exception.AuthException
 import org.yapp.apis.auth.strategy.signin.AppleAuthCredentials
+import org.yapp.apis.auth.strategy.signin.GoogleAuthCredentials
 import org.yapp.apis.auth.strategy.signin.KakaoAuthCredentials
 import org.yapp.apis.auth.strategy.signin.SignInCredentials
 import org.yapp.domain.user.ProviderType
@@ -61,6 +62,8 @@ data class SocialLoginRequest private constructor(
                         )
                     AppleAuthCredentials(request.validOauthToken(), authCode)
                 }
+
+                ProviderType.GOOGLE -> GoogleAuthCredentials(request.validOauthToken())
             }
         }
     }

apis/src/main/kotlin/org/yapp/apis/auth/manager/GoogleApiManager.kt

@@ -0,0 +1,40 @@
+package org.yapp.apis.auth.manager
+
+import mu.KotlinLogging
+import org.springframework.stereotype.Component
+import org.springframework.web.client.HttpClientErrorException
+import org.yapp.apis.auth.exception.AuthErrorCode
+import org.yapp.apis.auth.exception.AuthException
+import org.yapp.apis.config.GoogleOauthProperties
+import org.yapp.infra.external.oauth.google.GoogleApi
+import org.yapp.infra.external.oauth.google.response.GoogleUserInfo
+
+@Component
+class GoogleApiManager(
+    private val googleApi: GoogleApi,
+    private val googleOauthProperties: GoogleOauthProperties,
+) {
+    private val log = KotlinLogging.logger {}
+
+    fun getUserInfo(accessToken: String): GoogleUserInfo {
+        return googleApi.fetchUserInfo(accessToken, googleOauthProperties.url.userInfo)
+            .onSuccess { userInfo ->
+                log.info { "Successfully fetched Google user info for userId: ${userInfo.id}" }
+            }
+            .getOrElse { exception ->
+                log.error(exception) { "Failed to fetch Google user info" }
+
+                when (exception) {
+                    is HttpClientErrorException -> throw AuthException(
+                        AuthErrorCode.INVALID_OAUTH_TOKEN,
+                        "Invalid Google Access Token.",
+                    )
+
+                    else -> throw AuthException(
+                        AuthErrorCode.OAUTH_SERVER_ERROR,
+                        "Failed to communicate with Google server.",
+                    )
+                }
+            }
+    }
+}

apis/src/main/kotlin/org/yapp/apis/auth/strategy/signin/GoogleSignInStrategy.kt

@@ -0,0 +1,53 @@
+package org.yapp.apis.auth.strategy.signin
+
+import mu.KotlinLogging
+import org.springframework.stereotype.Component
+import org.yapp.apis.auth.dto.response.UserCreateInfoResponse
+import org.yapp.apis.auth.exception.AuthErrorCode
+import org.yapp.apis.auth.exception.AuthException
+import org.yapp.apis.auth.manager.GoogleApiManager
+import org.yapp.apis.auth.util.NicknameGenerator
+import org.yapp.domain.user.ProviderType
+import org.yapp.infra.external.oauth.google.response.GoogleUserInfo
+
+@Component
+class GoogleSignInStrategy(
+    private val googleApiManager: GoogleApiManager
+) : SignInStrategy {
+
+    private val log = KotlinLogging.logger {}
+
+    override fun getProviderType(): ProviderType = ProviderType.GOOGLE
+
+    override fun authenticate(credentials: SignInCredentials): UserCreateInfoResponse {
+        return try {
+            val googleCredentials = validateCredentials(credentials)
+            val googleUser = googleApiManager.getUserInfo(googleCredentials.accessToken)
+            createUserInfo(googleUser)
+        } catch (exception: Exception) {
+            log.error("Google authentication failed", exception)
+            when (exception) {
+                is AuthException -> throw exception
+                else -> throw AuthException(AuthErrorCode.FAILED_TO_GET_USER_INFO, exception.message)
+            }
+        }
+    }
+
+    private fun validateCredentials(credentials: SignInCredentials): GoogleAuthCredentials {
+        return credentials as? GoogleAuthCredentials
+            ?: throw AuthException(
+                AuthErrorCode.INVALID_CREDENTIALS,
+                "Credentials must be GoogleAuthCredentials"
+            )
+    }
+
+    private fun createUserInfo(googleUser: GoogleUserInfo): UserCreateInfoResponse {
+        return UserCreateInfoResponse.of(
+            email = googleUser.email ?: ("google_${googleUser.id}@google.com"),
+            nickname = NicknameGenerator.generate(),
+            profileImageUrl = googleUser.picture,
+            providerType = ProviderType.GOOGLE,
+            providerId = googleUser.id
+        )
+    }
+}

apis/src/main/kotlin/org/yapp/apis/auth/strategy/signin/SignInCredentials.kt

@@ -7,14 +7,23 @@ sealed class SignInCredentials {
 }
 
 data class KakaoAuthCredentials(
-    val accessToken: String
+    val accessToken: String,
 ) : SignInCredentials() {
     override fun getProviderType(): ProviderType = ProviderType.KAKAO
 }
 
 data class AppleAuthCredentials(
     val idToken: String,
-    val authorizationCode: String
+    val authorizationCode: String,
 ) : SignInCredentials() {
     override fun getProviderType(): ProviderType = ProviderType.APPLE
 }
+
+data class GoogleAuthCredentials(
+    val accessToken: String,
+) : SignInCredentials() {
+    override fun getProviderType(): ProviderType {
+        return ProviderType.GOOGLE
+    }
+}
+

apis/src/main/kotlin/org/yapp/apis/config/GoogleOauthProperties.kt

@@ -0,0 +1,12 @@
+package org.yapp.apis.config
+
+import org.springframework.boot.context.properties.ConfigurationProperties
+
+@ConfigurationProperties(prefix = "oauth.google")
+data class GoogleOauthProperties(
+    val url: Url
+)
+
+data class Url(
+    val userInfo: String
+)

apis/src/main/kotlin/org/yapp/apis/config/PropertiesConfig.kt

@@ -0,0 +1,8 @@
+package org.yapp.apis.config
+
+import org.springframework.boot.context.properties.EnableConfigurationProperties
+import org.springframework.context.annotation.Configuration
+
+@Configuration
+@EnableConfigurationProperties(GoogleOauthProperties::class)
+class PropertiesConfig

apis/src/main/resources/application.yml

@@ -61,6 +61,11 @@ swagger:
     description: YAPP API Documentation for Development
     version: v1.0.0-dev
 
+oauth:
+  google:
+    url:
+      user-info: https://www.googleapis.com/oauth2/v2/userinfo
+
 ---
 spring:
   config:
@@ -85,3 +90,8 @@ springdoc:
     enabled: false
   api-docs:
     enabled: false
+
+oauth:
+  google:
+    url:
+      user-info: https://www.googleapis.com/oauth2/v2/userinfo

apis/src/main/resources/static/kakao-login.html

@@ -53,38 +53,50 @@
             color: #000;
         }
 
-        .apple-btn {
-            background-color: #000;
-            color: #fff;
-        }
-    </style>
-</head>
-<body>
-
-<h1 style="text-align:center">소셜 로그인 테스트</h1>
-
-<div class="tabs">
-    <div class="tab active" data-tab="kakao">카카오 로그인</div>
-    <div class="tab" data-tab="apple">애플 로그인</div>
-</div>
-
-<div class="tab-content active" id="kakao">
-    <p style="text-align:center;">카카오 계정으로 로그인하려면 아래 버튼을 클릭하세요.</p>
-    <div style="text-align:center;">
-        <button id="kakao-login-btn" class="btn kakao-btn">카카오 로그인</button>
-    </div>
-</div>
-
-<div class="tab-content" id="apple">
-    <p style="text-align:center;">애플 계정으로 로그인하려면 아래 버튼을 클릭하세요.</p>
-    <div style="text-align:center;">
-        <button id="apple-login-btn" class="btn apple-btn">Apple 로그인</button>
-    </div>
-</div>
-
+                .apple-btn {
+                    background-color: #000;
+                    color: #fff;
+                }
+                .google-btn {
+                    background-color: #4285F4;
+                    color: #fff;
+                }
+            </style>
+        </head>
+        <body>
+
+        <h1 style="text-align:center">소셜 로그인 테스트</h1>
+
+        <div class="tabs">
+            <div class="tab active" data-tab="kakao">카카오 로그인</div>
+            <div class="tab" data-tab="apple">애플 로그인</div>
+            <div class="tab" data-tab="google">구글 로그인</div>
+        </div>
+
+        <div class="tab-content active" id="kakao">
+            <p style="text-align:center;">카카오 계정으로 로그인하려면 아래 버튼을 클릭하세요.</p>
+            <div style="text-align:center;">
+                <button id="kakao-login-btn" class="btn kakao-btn">카카오 로그인</button>
+            </div>
+        </div>
+
+        <div class="tab-content" id="apple">
+            <p style="text-align:center;">애플 계정으로 로그인하려면 아래 버튼을 클릭하세요.</p>
+            <div style="text-align:center;">
+                <button id="apple-login-btn" class="btn apple-btn">Apple 로그인</button>
+            </div>
+        </div>
+
+        <div class="tab-content" id="google">
+            <p style="text-align:center;">구글 계정으로 로그인하려면 아래 버튼을 클릭하세요.</p>
+            <div style="text-align:center;">
+                <button id="google-login-btn" class="btn google-btn">Google 로그인</button>
+            </div>
+        </div>
 <!-- 결과 출력 -->
 <pre id="result" style="margin-top: 30px; white-space: pre-wrap;"></pre>
 
+<meta name="google-signin-client_id" content="">
 <!-- Kakao SDK -->
 <script src="https://developers.kakao.com/sdk/js/kakao.js"></script>
 
@@ -93,6 +105,26 @@ <h1 style="text-align:center">소셜 로그인 테스트</h1>
         src="https://appleid.cdn-apple.com/appleauth/static/jsapi/appleid/1/en_US/appleid.auth.js"></script>
 
 <script>
+    // Google Sign-In Callback (Global function)
+    function onSignIn(googleUser) {
+        var id_token = googleUser.getAuthResponse().id_token;
+        fetch(`${API_SERVER}/api/v1/auth/signin`, {
+            method: 'POST',
+            headers: {'Content-Type': 'application/json'},
+            body: JSON.stringify({
+                providerType: "GOOGLE",
+                oauthToken: id_token
+            })
+        })
+            .then(res => res.json())
+            .then(data => {
+                document.getElementById('result').textContent = 'Google 로그인 성공\n\nJWT: ' + data.accessToken;
+            })
+            .catch(err => {
+                document.getElementById('result').textContent = 'Google 로그인 실패: ' + err.message;
+            });
+    }
+
     // 탭 전환
     const tabs = document.querySelectorAll('.tab');
     const contents = document.querySelectorAll('.tab-content');
@@ -238,7 +270,30 @@ <h1 style="text-align:center">소셜 로그인 테스트</h1>
                 });
         }
     });
-</script>
 
+    // Google Sign-In Initialization
+    var GoogleAuth; // GoogleAuth object
+
+    function initGoogleAuth() {
+        gapi.client.init({
+            clientId: document.querySelector('meta[name="google-signin-client_id"]').content,
+            scope: 'profile email'
+        }).then(function () {
+            GoogleAuth = gapi.auth2.getAuthInstance();
+            // Attach the click listener to the Google login button
+            document.getElementById('google-login-btn').addEventListener('click', () => {
+                GoogleAuth.signIn().then(onSignIn, (error) => {
+                    console.error('Google Sign-In failed:', error);
+                    document.getElementById('result').textContent = 'Google 로그인 실패: ' + JSON.stringify(error);
+                });
+            });
+        });
+    }
+
+    function handleGoogleClientLoad() {
+        gapi.load('client:auth2', initGoogleAuth);
+    }
+</script>
+<script async defer src="https://apis.google.com/js/api.js" onload="this.onload=function(){};handleGoogleClientLoad();"></script>
 </body>
 </html>

build.gradle.kts

@@ -192,6 +192,7 @@ sonar {
 // SonarQube 태스크가 통합 JaCoCo 리포트에 의존하도록 설정
 tasks.named("sonar") {
     dependsOn("jacocoRootReport")
+    onlyIf { System.getenv("SONAR_TOKEN") != null }
 }
 
 /**

domain/src/main/kotlin/org/yapp/domain/user/ProviderType.kt

@@ -4,5 +4,5 @@ package org.yapp.domain.user
  * Enum representing different authentication providers.
  */
 enum class ProviderType {
-    KAKAO, APPLE
+    KAKAO, APPLE, GOOGLE
 }

infra/build.gradle.kts

@@ -8,6 +8,9 @@ dependencies {
     implementation(Dependencies.Spring.BOOT_STARTER_DATA_REDIS)
     implementation(Dependencies.Spring.KOTLIN_REFLECT)
 
+
+    implementation(Dependencies.Spring.BOOT_STARTER_OAUTH2_CLIENT)
+
     implementation(Dependencies.RestClient.HTTP_CLIENT5)
     implementation(Dependencies.RestClient.HTTP_CORE5)
 

infra/src/main/kotlin/org/yapp/infra/external/oauth/google/GoogleApi.kt

@@ -0,0 +1,22 @@
+package org.yapp.infra.external.oauth.google
+
+import org.springframework.stereotype.Component
+import org.yapp.infra.external.oauth.google.response.GoogleUserInfo
+
+@Component
+class GoogleApi(
+    private val googleRestClient: GoogleRestClient
+) {
+    companion object {
+        private const val BEARER_PREFIX = "Bearer "
+    }
+
+    fun fetchUserInfo(
+        accessToken: String,
+        userInfoUrl: String,
+    ): Result<GoogleUserInfo> {
+        return runCatching {
+            googleRestClient.getUserInfo(BEARER_PREFIX + accessToken, userInfoUrl)
+        }
+    }
+}

infra/src/main/kotlin/org/yapp/infra/external/oauth/google/GoogleRestClient.kt

@@ -0,0 +1,24 @@
+package org.yapp.infra.external.oauth.google
+
+import org.springframework.stereotype.Component
+import org.springframework.web.client.RestClient
+import org.yapp.infra.external.oauth.google.response.GoogleUserInfo
+
+@Component
+class GoogleRestClient(
+    builder: RestClient.Builder
+) {
+    private val client = builder.build()
+
+    fun getUserInfo(
+        bearerToken: String,
+        url: String,
+    ): GoogleUserInfo {
+        return client.get()
+            .uri(url)
+            .header("Authorization", bearerToken)
+            .retrieve()
+            .body(GoogleUserInfo::class.java)
+            ?: throw IllegalStateException("Google API 응답이 null 입니다.")
+    }
+}