Feature/oauth logic

src/main/kotlin/com/msg/gauth/domain/client/repository/ClientRepository.kt

@@ -7,4 +7,5 @@ import org.springframework.data.jpa.repository.JpaRepository
 interface ClientRepository: JpaRepository<Client, Long> {
     fun findAllByCreatedBy(createdBy: User): List<Client>
     fun findByIdAndCreatedBy(clientId: Long, createdBy: User): Client?
+    fun findByClientId(clientId: String): Client?
 }

src/main/kotlin/com/msg/gauth/domain/oauth/exception/ClientSecretMismatchException.kt

@@ -0,0 +1,6 @@
+package com.msg.gauth.domain.oauth.exception
+
+import com.msg.gauth.global.exception.ErrorCode
+import com.msg.gauth.global.exception.exceptions.BasicException
+
+class ClientSecretMismatchException: BasicException(ErrorCode.CLIENT_SECRET_MISMATCH)

src/main/kotlin/com/msg/gauth/domain/oauth/exception/OauthCodeExpiredException.kt

@@ -0,0 +1,6 @@
+package com.msg.gauth.domain.oauth.exception
+
+import com.msg.gauth.global.exception.ErrorCode
+import com.msg.gauth.global.exception.exceptions.BasicException
+
+class OauthCodeExpiredException: BasicException(ErrorCode.OAUTH_CODE_EXPIRED)

src/main/kotlin/com/msg/gauth/domain/oauth/exception/UserStatePendingException.kt

@@ -0,0 +1,6 @@
+package com.msg.gauth.domain.oauth.exception
+
+import com.msg.gauth.global.exception.ErrorCode
+import com.msg.gauth.global.exception.exceptions.BasicException
+
+class UserStatePendingException: BasicException(ErrorCode.USER_STATE_PENDING)

src/main/kotlin/com/msg/gauth/domain/oauth/presentation/OauthController.kt

@@ -0,0 +1,29 @@
+package com.msg.gauth.domain.oauth.presentation
+
+import com.msg.gauth.domain.oauth.presentation.dto.request.OauthLoginRequestDto
+import com.msg.gauth.domain.oauth.presentation.dto.request.UserInfoRequestDto
+import com.msg.gauth.domain.oauth.presentation.dto.response.OauthLoginResponseDto
+import com.msg.gauth.domain.oauth.presentation.dto.response.UserInfoResponseDto
+import com.msg.gauth.domain.oauth.services.OauthLoginService
+import com.msg.gauth.domain.oauth.services.OauthUserInfoService
+import org.springframework.http.ResponseEntity
+import org.springframework.web.bind.annotation.PostMapping
+import org.springframework.web.bind.annotation.RequestBody
+import org.springframework.web.bind.annotation.RequestMapping
+import org.springframework.web.bind.annotation.RestController
+import javax.validation.Valid
+
+@RestController
+@RequestMapping("/oauth")
+class OauthController(
+    val oauthLoginService: OauthLoginService,
+    val oauthUserInfoService: OauthUserInfoService,
+){
+    @PostMapping("/login")
+    fun oauthLogin(@Valid @RequestBody oauthLoginRequestDto : OauthLoginRequestDto): ResponseEntity<OauthLoginResponseDto> =
+        ResponseEntity.ok(oauthLoginService.execute(oauthLoginRequestDto))
+
+    @PostMapping("/user")
+    fun getUserInfo(@RequestBody userInfoRequestDto: UserInfoRequestDto): ResponseEntity<UserInfoResponseDto> =
+        ResponseEntity.ok(oauthUserInfoService.execute(userInfoRequestDto))
+}

src/main/kotlin/com/msg/gauth/domain/oauth/presentation/dto/request/OauthLoginRequestDto.kt

@@ -0,0 +1,13 @@
+package com.msg.gauth.domain.oauth.presentation.dto.request
+
+import javax.validation.constraints.NotBlank
+import javax.validation.constraints.Pattern
+
+data class OauthLoginRequestDto(
+    @field:NotBlank
+    @field:Pattern(regexp = "^[a-zA-Z0-9]+@gsm.hs.kr$")
+    val email: String,
+
+    @field:NotBlank
+    val password: String
+)

src/main/kotlin/com/msg/gauth/domain/oauth/presentation/dto/request/UserInfoRequestDto.kt

@@ -0,0 +1,7 @@
+package com.msg.gauth.domain.oauth.presentation.dto.request
+
+data class UserInfoRequestDto(
+    val code: String,
+    val clientId: String,
+    val clientSecret: String,
+)

src/main/kotlin/com/msg/gauth/domain/oauth/presentation/dto/response/OauthLoginResponseDto.kt

@@ -0,0 +1,5 @@
+package com.msg.gauth.domain.oauth.presentation.dto.response
+
+data class OauthLoginResponseDto(
+    val code: String,
+)

src/main/kotlin/com/msg/gauth/domain/oauth/presentation/dto/response/UserInfoResponseDto.kt

@@ -0,0 +1,11 @@
+package com.msg.gauth.domain.oauth.presentation.dto.response
+
+import com.msg.gauth.domain.user.enums.Gender
+
+data class UserInfoResponseDto(
+    val email: String,
+    val grade: Int?,
+    val classNum: Int?,
+    val num: Int?,
+    val gender: Gender?,
+)

src/main/kotlin/com/msg/gauth/domain/oauth/services/OauthLoginService.kt

@@ -0,0 +1,33 @@
+package com.msg.gauth.domain.oauth.services
+
+import com.msg.gauth.domain.auth.exception.PasswordMismatchException
+import com.msg.gauth.domain.oauth.presentation.dto.request.OauthLoginRequestDto
+import com.msg.gauth.domain.oauth.presentation.dto.response.OauthLoginResponseDto
+import com.msg.gauth.domain.user.exception.UserNotFoundException
+import com.msg.gauth.domain.user.repository.UserRepository
+import org.springframework.data.redis.core.RedisTemplate
+import org.springframework.security.crypto.password.PasswordEncoder
+import org.springframework.stereotype.Service
+import org.springframework.transaction.annotation.Transactional
+import java.util.*
+
+@Service
+class OauthLoginService(
+    private val userRepository: UserRepository,
+    private val passwordEncoder: PasswordEncoder,
+    private val redisTemplate: RedisTemplate<String, String>,
+){
+    @Transactional(readOnly = true)
+    fun execute(oauthLoginRequestDto: OauthLoginRequestDto): OauthLoginResponseDto {
+        val valueOperation = redisTemplate.opsForValue()
+        val user = userRepository.findByEmail(oauthLoginRequestDto.email) ?: throw UserNotFoundException()
+        if (passwordEncoder.matches(oauthLoginRequestDto.password, user.password)) {
+            throw PasswordMismatchException()
+        }
+        val code = UUID.randomUUID().toString().split(".")[0]
+        valueOperation.set(code, user.email, 1000L * 60 * 5)
+        return OauthLoginResponseDto(
+            code = code,
+        )
+    }
+}

src/main/kotlin/com/msg/gauth/domain/oauth/services/OauthUserInfoService.kt

@@ -0,0 +1,42 @@
+package com.msg.gauth.domain.oauth.services
+
+import com.msg.gauth.domain.client.exception.ClientNotFindException
+import com.msg.gauth.domain.client.repository.ClientRepository
+import com.msg.gauth.domain.oauth.exception.ClientSecretMismatchException
+import com.msg.gauth.domain.oauth.exception.OauthCodeExpiredException
+import com.msg.gauth.domain.oauth.exception.UserStatePendingException
+import com.msg.gauth.domain.oauth.presentation.dto.request.UserInfoRequestDto
+import com.msg.gauth.domain.oauth.presentation.dto.response.UserInfoResponseDto
+import com.msg.gauth.domain.user.enums.UserState
+import com.msg.gauth.domain.user.exception.UserNotFoundException
+import com.msg.gauth.domain.user.repository.UserRepository
+import com.msg.gauth.global.exception.exceptions.BasicException
+import org.springframework.data.redis.core.RedisTemplate
+import org.springframework.stereotype.Service
+import org.springframework.transaction.annotation.Transactional
+
+@Service
+class OauthUserInfoService(
+    private val redisTemplate: RedisTemplate<String, String>,
+    private val clientRepository: ClientRepository,
+    private val userRepository: UserRepository,
+){
+    @Transactional(readOnly = true)
+    fun execute(userInfoRequestDto: UserInfoRequestDto): UserInfoResponseDto{
+        val valueOperation = redisTemplate.opsForValue()
+        val client = clientRepository.findByClientId(userInfoRequestDto.clientId) ?: throw ClientNotFindException()
+        if(client.clientSecret != userInfoRequestDto.clientSecret)
+            throw ClientSecretMismatchException()
+        val email = valueOperation.get(userInfoRequestDto.code) ?: throw OauthCodeExpiredException()
+        val user = userRepository.findByEmail(email) ?: throw UserNotFoundException()
+        if(user.state == UserState.PENDING)
+            throw UserStatePendingException()
+        return UserInfoResponseDto(
+            email = user.email,
+            grade = user.grade,
+            classNum = user.classNum,
+            num = user.num,
+            gender = user.gender
+        )
+    }
+}

src/main/kotlin/com/msg/gauth/global/exception/ErrorCode.kt

@@ -6,6 +6,7 @@ enum class ErrorCode(
 ) {
     BAD_REQUEST("잘못된 요청", 400),
     PASSWORD_MISMATCH("비밀번호가 일치하지 않습니다.", 400),
+    CLIENT_SECRET_MISMATCH("클라이언트 시크릿이 일치하지 않습니다.", 400),
 
     AUTH_CODE_EXPIRED("메일 인증이 만료되었습니다.", 401),
     UNAUTHORIZED("권한 없음", 401),
@@ -15,6 +16,9 @@ enum class ErrorCode(
     INVALID_REFRESH_TOKEN("리프레시 토큰이 변질되었습니다", 401),
     EMAIL_NOT_VERIFIED("인증된 이메일이 아닙니다.", 401),
     USER_NOT_SAME("유저가 일치하지 않습니다", 401),
+    OAUTH_CODE_EXPIRED("oauth 코드가 만료되었습니다.", 401),
+
+    USER_STATE_PENDING("유저가 보류중 입니다.", 403),
 
     NOT_FOUND("리소스를 찾을수 없음", 404),
     USER_NOT_FOUND("해당 유저를 찾을 수 없습니다.", 404),