카카오 로그인 추가

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

@@ -0,0 +1,54 @@
+package kr.co.vividnext.sodalive.member.social.kakao
+
+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 KakaoAuthService(
+    private val kakaoService: KakaoService,
+    private val memberService: MemberService,
+    private val tokenProvider: TokenProvider,
+
+    @Value("\${cloud.aws.cloud-front.host}")
+    private val cloudFrontHost: String
+) {
+    fun authenticate(accessToken: String, container: String, marketingPid: String?): SocialLoginResponse {
+        val kakaoUserInfo = kakaoService.getUserInfo(accessToken)
+            ?: throw SodaException("카카오 로그인을 하지 못했습니다. 다시 시도해 주세요")
+        val member = memberService.findOrRegister(kakaoUserInfo, container, marketingPid)
+        val principal = MemberAdapter(member)
+        val authToken = KakaoAuthenticationToken(accessToken, 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/kakao/KakaoAuthenticationToken.kt

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

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

@@ -0,0 +1,53 @@
+package kr.co.vividnext.sodalive.member.social.kakao
+
+import com.fasterxml.jackson.databind.ObjectMapper
+import kr.co.vividnext.sodalive.common.SodaException
+import org.springframework.http.HttpEntity
+import org.springframework.http.HttpHeaders
+import org.springframework.http.HttpMethod
+import org.springframework.http.HttpStatus
+import org.springframework.http.ResponseEntity
+import org.springframework.stereotype.Service
+import org.springframework.web.client.RestTemplate
+
+@Service
+class KakaoService(
+    private val restTemplate: RestTemplate = RestTemplate(),
+    private val objectMapper: ObjectMapper = ObjectMapper()
+) {
+    fun getUserInfo(accessToken: String): KakaoUserInfo? {
+        val url = "https://kapi.kakao.com/v2/user/me"
+        val headers = HttpHeaders().apply {
+            set("Authorization", "Bearer $accessToken")
+        }
+        val entity = HttpEntity<Any>(headers)
+
+        try {
+            val response: ResponseEntity<String> = restTemplate.exchange(
+                url,
+                HttpMethod.GET,
+                entity,
+                String::class.java
+            )
+
+            if (response.statusCode == HttpStatus.OK) {
+                // 응답 JSON을 KakaoUserInfo와 직접 매핑하려면 DTO의 구조와 JSON 구조가 일치해야 합니다.
+                // 실제 응답 JSON은 중첩 구조를 가지므로, 필요한 필드만 추출하는 방법을 사용합니다.
+                val jsonNode = objectMapper.readTree(response.body ?: return null)
+                val id = jsonNode.get("id").asLong()
+                val kakaoAccount = jsonNode.get("kakao_account")
+                val email = kakaoAccount?.get("email")?.asText()
+                    ?: throw SodaException("카카오 로그인을 하지 못했습니다. 다시 시도해 주세요")
+                val properties = jsonNode.get("properties")
+                val nickname = properties?.get("nickname")?.asText()
+
+                return KakaoUserInfo(id, email, nickname)
+            } else {
+                println("카카오 사용자 정보 요청 실패: ${response.statusCode}")
+            }
+        } catch (ex: Exception) {
+            ex.printStackTrace()
+        }
+        return null
+    }
+}

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

@@ -0,0 +1,7 @@
+package kr.co.vividnext.sodalive.member.social.kakao
+
+data class KakaoUserInfo(
+    val id: Long,
+    val email: String,
+    val nickname: String?
+)