build.gradle.kts

@@ -65,6 +65,8 @@ dependencies {
     // android publisher
     implementation("com.google.apis:google-api-services-androidpublisher:v3-rev20240319-2.0.0")
 
+    implementation("com.google.api-client:google-api-client:1.32.1")
+
     implementation("org.apache.poi:poi-ooxml:5.2.3")
     implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.4")
 

src/main/kotlin/kr/co/vividnext/sodalive/member/Member.kt

@@ -24,6 +24,13 @@ data class Member(
     var nickname: String,
     var profileImage: String? = null,
 
+    val kakaoId: Long? = null,
+    val googleId: String? = null,
+    val appleId: String? = null,
+
+    @Enumerated(EnumType.STRING)
+    val provider: MemberProvider = MemberProvider.EMAIL,
+
     @Enumerated(value = EnumType.STRING)
     var gender: Gender = Gender.NONE,
 
@@ -140,3 +147,7 @@ enum class Gender {
 enum class MemberRole {
     ADMIN, BOT, USER, CREATOR, AGENT
 }
+
+enum class MemberProvider {
+    EMAIL, KAKAO, GOOGLE, APPLE
+}

src/main/kotlin/kr/co/vividnext/sodalive/member/MemberController.kt

@@ -8,8 +8,10 @@ import kr.co.vividnext.sodalive.member.block.MemberBlockRequest
 import kr.co.vividnext.sodalive.member.following.CreatorFollowRequest
 import kr.co.vividnext.sodalive.member.login.LoginRequest
 import kr.co.vividnext.sodalive.member.login.LoginResponse
+import kr.co.vividnext.sodalive.member.login.SocialLoginRequest
 import kr.co.vividnext.sodalive.member.notification.UpdateNotificationSettingRequest
 import kr.co.vividnext.sodalive.member.signUp.SignUpRequestV2
+import kr.co.vividnext.sodalive.member.social.google.GoogleAuthService
 import org.springframework.data.domain.Pageable
 import org.springframework.security.core.annotation.AuthenticationPrincipal
 import org.springframework.security.core.userdetails.User
@@ -29,6 +31,7 @@ import org.springframework.web.multipart.MultipartFile
 @RequestMapping("/member")
 class MemberController(
     private val service: MemberService,
+    private val googleAuthService: GoogleAuthService,
     private val trackingService: AdTrackingService
 ) {
     @GetMapping("/check/email")
@@ -316,4 +319,27 @@ class MemberController(
         if (member == null) throw SodaException("로그인 정보를 확인해주세요.")
         ApiResponse.ok(service.getMemberProfile(memberId = id, myMemberId = member.id!!))
     }
+
+    @PostMapping("/login/google")
+    fun loginGoogle(
+        @RequestHeader("Authorization") authHeader: String,
+        @RequestBody request: SocialLoginRequest
+    ): ApiResponse<LoginResponse> {
+        if (!authHeader.startsWith("Bearer ")) {
+            throw SodaException("구글 로그인을 하지 못했습니다. 다시 시도해 주세요")
+        }
+
+        val token = authHeader.substring(7)
+        val response = googleAuthService.authenticate(token, request.container, request.marketingPid)
+
+        if (!response.marketingPid.isNullOrBlank()) {
+            trackingService.saveTrackingHistory(
+                pid = response.marketingPid,
+                type = AdTrackingHistoryType.SIGNUP,
+                memberId = response.memberId
+            )
+        }
+
+        return ApiResponse.ok(message = "회원가입을 축하드립니다.", data = response.loginResponse)
+    }
 }

src/main/kotlin/kr/co/vividnext/sodalive/member/MemberRepository.kt

@@ -21,6 +21,7 @@ import org.springframework.stereotype.Repository
 interface MemberRepository : JpaRepository<Member, Long>, MemberQueryRepository {
     fun findByEmail(email: String): Member?
     fun findByNickname(nickname: String): Member?
+    fun findByGoogleId(googleId: String): Member?
 }
 
 interface MemberQueryRepository {

src/main/kotlin/kr/co/vividnext/sodalive/member/MemberService.kt

@@ -32,6 +32,7 @@ import kr.co.vividnext.sodalive.member.signUp.SignUpRequest
 import kr.co.vividnext.sodalive.member.signUp.SignUpRequestV2
 import kr.co.vividnext.sodalive.member.signUp.SignUpResponse
 import kr.co.vividnext.sodalive.member.signUp.SignUpValidator
+import kr.co.vividnext.sodalive.member.social.google.GoogleUserInfo
 import kr.co.vividnext.sodalive.member.stipulation.Stipulation
 import kr.co.vividnext.sodalive.member.stipulation.StipulationAgree
 import kr.co.vividnext.sodalive.member.stipulation.StipulationAgreeRepository
@@ -736,4 +737,36 @@ class MemberService(
 
         return member.activePid
     }
+
+    @Transactional
+    fun findOrRegister(googleUserInfo: GoogleUserInfo, container: String, marketingPid: String?): Member {
+        repository.findByGoogleId(googleUserInfo.sub)?.let { return it }
+
+        val stipulationTermsOfService = stipulationRepository.findByIdOrNull(StipulationIds.TERMS_OF_SERVICE_ID)
+            ?: throw SodaException("잘못된 요청입니다\n앱 종료 후 다시 시도해 주세요.")
+
+        val stipulationPrivacyPolicy = stipulationRepository.findByIdOrNull(StipulationIds.PRIVACY_POLICY_ID)
+            ?: throw SodaException("잘못된 요청입니다\n앱 종료 후 다시 시도해 주세요.")
+
+        val nickname = nicknameGenerateService.generateUniqueNickname()
+        val member = Member(
+            googleId = googleUserInfo.sub,
+            email = googleUserInfo.email,
+            password = "",
+            nickname = nickname,
+            profileImage = "profile/default-profile.png",
+            gender = Gender.NONE,
+            container = container
+        )
+
+        if (!marketingPid.isNullOrBlank()) {
+            member.activePid = marketingPid
+            member.partnerExpirationDatetime = LocalDateTime.now().plusYears(1)
+        }
+
+        repository.save(member)
+        agreeTermsOfServiceAndPrivacyPolicy(member, stipulationTermsOfService, stipulationPrivacyPolicy)
+
+        return member
+    }
 }

src/main/kotlin/kr/co/vividnext/sodalive/member/login/LoginRequest.kt

@@ -6,3 +6,5 @@ data class LoginRequest(
     val isAdmin: Boolean = false,
     val isCreator: Boolean = false
 )
+
+data class SocialLoginRequest(val container: String, val marketingPid: String? = null)

src/main/kotlin/kr/co/vividnext/sodalive/member/social/SocialLoginResponse.kt

@@ -0,0 +1,9 @@
+package kr.co.vividnext.sodalive.member.social
+
+import kr.co.vividnext.sodalive.member.login.LoginResponse
+
+data class SocialLoginResponse(
+    val memberId: Long,
+    val marketingPid: String?,
+    val loginResponse: LoginResponse
+)

src/main/kotlin/kr/co/vividnext/sodalive/member/social/google/GoogleAuthService.kt

@@ -0,0 +1,54 @@
+package kr.co.vividnext.sodalive.member.social.google
+
+import kr.co.vividnext.sodalive.common.SodaException
+import kr.co.vividnext.sodalive.jwt.TokenProvider
+import kr.co.vividnext.sodalive.member.MemberAdapter
+import kr.co.vividnext.sodalive.member.MemberService
+import kr.co.vividnext.sodalive.member.login.LoginResponse
+import kr.co.vividnext.sodalive.member.social.SocialLoginResponse
+import org.springframework.beans.factory.annotation.Value
+import org.springframework.security.core.context.SecurityContextHolder
+import org.springframework.stereotype.Service
+
+@Service
+class GoogleAuthService(
+    private val googleService: GoogleService,
+    private val memberService: MemberService,
+    private val tokenProvider: TokenProvider,
+
+    @Value("\${cloud.aws.cloud-front.host}")
+    private val cloudFrontHost: String
+) {
+    fun authenticate(idToken: String, container: String, marketingPid: String?): SocialLoginResponse {
+        val googleUserInfo = googleService.getUserInfo(idToken)
+            ?: throw SodaException("구글 로그인을 하지 못했습니다. 다시 시도해 주세요")
+        val member = memberService.findOrRegister(googleUserInfo, container, marketingPid)
+        val principal = MemberAdapter(member)
+        val authToken = GoogleAuthenticationToken(idToken, principal.authorities)
+        authToken.setPrincipal(principal)
+        SecurityContextHolder.getContext().authentication = authToken
+
+        val jwt = tokenProvider.createToken(
+            authentication = authToken,
+            memberId = member.id!!
+        )
+
+        val loginResponse = LoginResponse(
+            userId = member.id!!,
+            token = jwt,
+            nickname = member.nickname,
+            email = member.email,
+            profileImage = if (member.profileImage != null) {
+                "$cloudFrontHost/${member.profileImage}"
+            } else {
+                "$cloudFrontHost/profile/default-profile.png"
+            }
+        )
+
+        return SocialLoginResponse(
+            memberId = member.id!!,
+            marketingPid = marketingPid,
+            loginResponse = loginResponse
+        )
+    }
+}

src/main/kotlin/kr/co/vividnext/sodalive/member/social/google/GoogleAuthenticationToken.kt

@@ -0,0 +1,15 @@
+package kr.co.vividnext.sodalive.member.social.google
+
+import org.springframework.security.authentication.AbstractAuthenticationToken
+import org.springframework.security.core.GrantedAuthority
+
+class GoogleAuthenticationToken(
+    private val idToken: String,
+    authorities: Collection<GrantedAuthority>? = null
+) : AbstractAuthenticationToken(authorities) {
+    private var principal: Any? = null
+    init { isAuthenticated = authorities != null }
+    override fun getCredentials(): Any = idToken
+    override fun getPrincipal(): Any? = principal
+    fun setPrincipal(principal: Any) { this.principal = principal }
+}

src/main/kotlin/kr/co/vividnext/sodalive/member/social/google/GoogleService.kt

@@ -0,0 +1,45 @@
+package kr.co.vividnext.sodalive.member.social.google
+
+import com.google.api.client.googleapis.auth.oauth2.GoogleIdTokenVerifier
+import com.google.api.client.googleapis.javanet.GoogleNetHttpTransport
+import com.google.api.client.json.gson.GsonFactory
+import kr.co.vividnext.sodalive.common.SodaException
+import org.springframework.beans.factory.annotation.Value
+import org.springframework.stereotype.Service
+
+@Service
+class GoogleService(
+    @Value("\${google.web-client-id}")
+    private val googleWebClientId: String
+) {
+    private val transport = GoogleNetHttpTransport.newTrustedTransport()
+    private val jsonFactory = GsonFactory.getDefaultInstance()
+    private val clientIds = listOf(googleWebClientId)
+
+    fun getUserInfo(idToken: String): GoogleUserInfo? {
+        val verifier = GoogleIdTokenVerifier.Builder(transport, jsonFactory)
+            .setAudience(clientIds)
+            .setIssuers(listOf("accounts.google.com", "https://accounts.google.com"))
+            .build()
+
+        return try {
+            val token = verifier.verify(idToken)
+
+            if (token != null) {
+                val payload = token.payload
+                val email = payload.email ?: throw SodaException("이메일 제공에 동의하셔야 서비스 이용이 가능합니다.")
+
+                GoogleUserInfo(
+                    sub = payload.subject,
+                    email = email,
+                    name = payload["name"] as? String
+                )
+            } else {
+                null
+            }
+        } catch (e: Exception) {
+            e.printStackTrace()
+            null
+        }
+    }
+}

src/main/kotlin/kr/co/vividnext/sodalive/member/social/google/GoogleUserInfo.kt

@@ -0,0 +1,7 @@
+package kr.co.vividnext.sodalive.member.social.google
+
+data class GoogleUserInfo(
+    val sub: String,
+    val email: String,
+    val name: String?
+)

src/main/resources/application.yml

@@ -25,6 +25,9 @@ agora:
 firebase:
     secretKeyPath: ${GOOGLE_APPLICATION_CREDENTIALS}
 
+google:
+    webClientId: ${GOOGLE_WEB_CLIENT_ID}
+
 cloud:
     aws:
         credentials: