style: スタイルを調整

detekt.yml

@@ -2,6 +2,7 @@ build:
   maxIssues: 20
   weights:
     Indentation: 0
+    MagicNumber: 0
 
 style:
   ClassOrdering:

src/main/kotlin/dev/usbharu/hideout/JobQueueRunner.kt

@@ -30,7 +30,8 @@ class JobQueueWorkerRunner(
 ) : ApplicationRunner {
     override fun run(args: ApplicationArguments?) {
         LOGGER.info("Init job queue worker.")
-        jobQueueWorkerService.init(jobs.map {
+        jobQueueWorkerService.init(
+            jobs.map {
                 it to {
                     execute {
                         LOGGER.debug("excute job ${it.name}")
@@ -40,7 +41,8 @@ class JobQueueWorkerRunner(
                         )
                     }
                 }
-        })
+            }
+        )
     }
 
     companion object {

src/main/kotlin/dev/usbharu/hideout/SpringApplication.kt

@@ -8,6 +8,7 @@ import org.springframework.boot.runApplication
 @ConfigurationPropertiesScan
 class SpringApplication
 
+@Suppress("SpreadOperator")
 fun main(args: Array<String>) {
     runApplication<SpringApplication>(*args)
 }

src/main/kotlin/dev/usbharu/hideout/config/HttpClientConfig.kt

@@ -32,7 +32,9 @@ class HttpClientConfig {
         applicationConfig: ApplicationConfig
     ): KtorKeyMap {
         return KtorKeyMap(
-            userQueryService, transaction, applicationConfig
+            userQueryService,
+            transaction,
+            applicationConfig
         )
     }
 }

src/main/kotlin/dev/usbharu/hideout/config/SecurityConfig.kt

@@ -55,7 +55,6 @@ class SecurityConfig {
         return http.build()
     }
 
-
     @Bean
     @Order(2)
     fun defaultSecurityFilterChain(http: HttpSecurity, introspector: HandlerMappingIntrospector): SecurityFilterChain {
@@ -99,9 +98,7 @@ class SecurityConfig {
     }
 
     @Bean
-    fun passwordEncoder(): PasswordEncoder {
+    fun passwordEncoder(): PasswordEncoder = BCryptPasswordEncoder()
-        return BCryptPasswordEncoder()
-    }
 
     @Bean
     fun genJwkSource(): JWKSource<SecurityContext> {
@@ -131,9 +128,8 @@ class SecurityConfig {
     }
 
     @Bean
-    fun jwtDecoder(jwkSource: JWKSource<SecurityContext>): JwtDecoder {
+    fun jwtDecoder(jwkSource: JWKSource<SecurityContext>): JwtDecoder =
-        return OAuth2AuthorizationServerConfiguration.jwtDecoder(jwkSource)
+        OAuth2AuthorizationServerConfiguration.jwtDecoder(jwkSource)
-    }
 
     @Bean
     fun authorizationServerSettings(): AuthorizationServerSettings {

src/main/kotlin/dev/usbharu/hideout/config/SpringTransactionConfig.kt

@@ -12,7 +12,6 @@ import javax.sql.DataSource
 @EnableTransactionManagement
 class SpringTransactionConfig(val datasource: DataSource) : TransactionManagementConfigurer {
     @Bean
-    override fun annotationDrivenTransactionManager(): PlatformTransactionManager {
+    override fun annotationDrivenTransactionManager(): PlatformTransactionManager =
-        return SpringTransactionManager(datasource)
+        SpringTransactionManager(datasource)
-    }
 }

src/main/kotlin/dev/usbharu/hideout/controller/InboxController.kt

@@ -12,10 +12,11 @@ interface InboxController {
     @RequestMapping(
         "/inbox",
         "/users/{username}/inbox",
-        produces = ["application/activity+json", "application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\""],
+        produces = [
+            "application/activity+json",
+            "application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\""
+        ],
         method = [RequestMethod.GET, RequestMethod.POST]
     )
-    fun inbox(@RequestBody string: String): ResponseEntity<Unit> {
+    fun inbox(@RequestBody string: String): ResponseEntity<Unit> = ResponseEntity(HttpStatus.ACCEPTED)
-        return ResponseEntity(HttpStatus.ACCEPTED)
-    }
 }

src/main/kotlin/dev/usbharu/hideout/controller/OutboxController.kt

@@ -10,7 +10,5 @@ import org.springframework.web.bind.annotation.RestController
 @RestController
 interface OutboxController {
     @RequestMapping("/outbox", "/users/{username}/outbox", method = [RequestMethod.POST, RequestMethod.GET])
-    fun outbox(@RequestBody string: String): ResponseEntity<Unit> {
+    fun outbox(@RequestBody string: String): ResponseEntity<Unit> = ResponseEntity(HttpStatus.ACCEPTED)
-        return ResponseEntity(HttpStatus.ACCEPTED)
-    }
 }

src/main/kotlin/dev/usbharu/hideout/controller/OutboxControllerImpl.kt

@@ -7,7 +7,5 @@ import org.springframework.web.bind.annotation.RestController
 
 @RestController
 class OutboxControllerImpl : OutboxController {
-    override fun outbox(@RequestBody string: String): ResponseEntity<Unit> {
+    override fun outbox(@RequestBody string: String): ResponseEntity<Unit> = ResponseEntity(HttpStatus.NOT_IMPLEMENTED)
-        return ResponseEntity(HttpStatus.NOT_IMPLEMENTED)
-    }
 }

src/main/kotlin/dev/usbharu/hideout/controller/wellknown/HostMetaController.kt

@@ -29,14 +29,8 @@ class HostMetaController(private val applicationConfig: ApplicationConfig) {
 }"""
 
     @GetMapping("/.well-known/host-meta", produces = ["application/xml"])
-    fun hostmeta(): ResponseEntity<String> {
+    fun hostmeta(): ResponseEntity<String> = ResponseEntity(xml, HttpStatus.OK)
-        return ResponseEntity(xml, HttpStatus.OK)
-    }
 
     @GetMapping("/.well-known/host-meta.json", produces = ["application/json"])
-    fun hostmetJson(): ResponseEntity<String> {
+    fun hostmetJson(): ResponseEntity<String> = ResponseEntity(json, HttpStatus.OK)
-        return ResponseEntity(json, HttpStatus.OK)
-    }
-
-
 }

src/main/kotlin/dev/usbharu/hideout/controller/wellknown/NodeinfoController.kt

@@ -20,11 +20,13 @@ class NodeinfoController(private val applicationConfig: ApplicationConfig) {
                         "${applicationConfig.url}/nodeinfo/2.0"
                     )
                 )
-            ), HttpStatus.OK
+            ),
+            HttpStatus.OK
         )
     }
 
     @GetMapping("/nodeinfo/2.0")
+    @Suppress("FunctionNaming")
     fun nodeinfo2_0(): ResponseEntity<Nodeinfo2_0> {
         return ResponseEntity(
             Nodeinfo2_0(

src/main/kotlin/dev/usbharu/hideout/domain/model/UserDetailsImpl.kt

@@ -42,10 +42,12 @@ class UserDetailsImpl(
 )
 @JsonIgnoreProperties(ignoreUnknown = true)
 @JsonSubTypes
+@Suppress("UnnecessaryAbstractClass")
 abstract class UserDetailsMixin
 
 class UserDetailsDeserializer : JsonDeserializer<UserDetailsImpl>() {
-    val SIMPLE_GRANTED_AUTHORITY_SET = object : TypeReference<Set<SimpleGrantedAuthority>>() {}
+
+    private val SIMPLE_GRANTED_AUTHORITY_SET = object : TypeReference<Set<SimpleGrantedAuthority>>() {}
     override fun deserialize(p: JsonParser, ctxt: DeserializationContext): UserDetailsImpl {
         val mapper = p.codec as ObjectMapper
         val jsonNode: JsonNode = mapper.readTree(p)
@@ -57,14 +59,14 @@ class UserDetailsDeserializer : JsonDeserializer<UserDetailsImpl>() {
 
         val password = jsonNode.readText("password")
         return UserDetailsImpl(
-            jsonNode["id"].longValue(),
+            id = jsonNode["id"].longValue(),
-            jsonNode.readText("username"),
+            username = jsonNode.readText("username"),
-            password,
+            password = password,
-            true,
+            enabled = true,
-            true,
+            accountNonExpired = true,
-            true,
+            credentialsNonExpired = true,
-            true,
+            accountNonLocked = true,
-            authorities.toMutableList(),
+            authorities = authorities.toMutableList(),
         )
     }
 

src/main/kotlin/dev/usbharu/hideout/domain/model/wellknown/Nodeinfo.kt

@@ -1,6 +1,5 @@
 package dev.usbharu.hideout.domain.model.wellknown
 
-
 data class Nodeinfo(
     val links: List<Links>
 ) {

src/main/kotlin/dev/usbharu/hideout/domain/model/wellknown/Nodeinfo2_0.kt

@@ -1,5 +1,6 @@
 package dev.usbharu.hideout.domain.model.wellknown
 
+@Suppress("ClassNaming")
 data class Nodeinfo2_0(
     val version: String,
     val software: Software,

src/main/kotlin/dev/usbharu/hideout/repository/RegisteredClientRepositoryImpl.kt

@@ -48,9 +48,9 @@ class RegisteredClientRepositoryImpl(private val database: Database) : Registere
                 it[clientSecretExpiresAt] = registeredClient.clientSecretExpiresAt
                 it[clientName] = registeredClient.clientName
                 it[clientAuthenticationMethods] =
-                    registeredClient.clientAuthenticationMethods.map { it.value }.joinToString(",")
+                    registeredClient.clientAuthenticationMethods.map { method -> method.value }.joinToString(",")
                 it[authorizationGrantTypes] =
-                    registeredClient.authorizationGrantTypes.map { it.value }.joinToString(",")
+                    registeredClient.authorizationGrantTypes.map { type -> type.value }.joinToString(",")
                 it[redirectUris] = registeredClient.redirectUris.joinToString(",")
                 it[postLogoutRedirectUris] = registeredClient.postLogoutRedirectUris.joinToString(",")
                 it[scopes] = registeredClient.scopes.joinToString(",")
@@ -100,20 +100,7 @@ class RegisteredClientRepositoryImpl(private val database: Database) : Registere
 
     private fun <T, U> jsonToMap(json: String): Map<T, U> = objectMapper.readValue(json)
 
-    companion object {
+    @Suppress("CyclomaticComplexMethod")
-        val objectMapper: ObjectMapper = ObjectMapper()
-        val LOGGER = LoggerFactory.getLogger(RegisteredClientRepositoryImpl::class.java)
-
-        init {
-
-            val classLoader = ExposedOAuth2AuthorizationService::class.java.classLoader
-            val modules = SecurityJackson2Modules.getModules(classLoader)
-            this.objectMapper.registerModules(JavaTimeModule())
-            this.objectMapper.registerModules(modules)
-            this.objectMapper.registerModules(OAuth2AuthorizationServerJackson2Module())
-        }
-    }
-
     fun ResultRow.toRegisteredClient(): SpringRegisteredClient {
         fun resolveClientAuthenticationMethods(string: String): ClientAuthenticationMethod {
             return when (string) {
@@ -175,6 +162,20 @@ class RegisteredClientRepositoryImpl(private val database: Database) : Registere
 
         return builder.build()
     }
+
+    companion object {
+        val objectMapper: ObjectMapper = ObjectMapper()
+        val LOGGER = LoggerFactory.getLogger(RegisteredClientRepositoryImpl::class.java)
+
+        init {
+
+            val classLoader = ExposedOAuth2AuthorizationService::class.java.classLoader
+            val modules = SecurityJackson2Modules.getModules(classLoader)
+            this.objectMapper.registerModules(JavaTimeModule())
+            this.objectMapper.registerModules(modules)
+            this.objectMapper.registerModules(OAuth2AuthorizationServerJackson2Module())
+        }
+    }
 }
 
 // org/springframework/security/oauth2/server/authorization/client/oauth2-registered-client-schema.sql

src/main/kotlin/dev/usbharu/hideout/service/ap/APReactionService.kt

@@ -83,7 +83,8 @@ class APReactionServiceImpl(
                 `object` = postUrl,
                 id = "${Config.configData.url}/like/note/$id",
                 content = content
-            ), objectMapper
+            ),
+            objectMapper
         )
     }
 
@@ -100,7 +101,8 @@ class APReactionServiceImpl(
                 `object` = like,
                 id = "${Config.configData.url}/undo/note/${like.id}",
                 published = Instant.now()
-            ), objectMapper
+            ),
+            objectMapper
         )
     }
 }

src/main/kotlin/dev/usbharu/hideout/service/ap/APReceiveFollowService.kt

@@ -18,7 +18,6 @@ import kjob.core.job.JobProps
 import org.springframework.beans.factory.annotation.Qualifier
 import org.springframework.stereotype.Service
 
-
 interface APReceiveFollowService {
     suspend fun receiveFollow(follow: Follow): ActivityPubResponse
     suspend fun receiveFollowJob(props: JobProps<ReceiveFollowJob>)
@@ -58,7 +57,8 @@ class APReceiveFollowServiceImpl(
                     name = "Follow",
                     `object` = follow,
                     actor = targetActor
-                ), objectMapper
+                ),
+                objectMapper
             )
 
             val targetEntity = userQueryService.findByUrl(targetActor)

src/main/kotlin/dev/usbharu/hideout/service/api/mastodon/AccountApiService.kt

@@ -18,10 +18,10 @@ class AccountApiServiceImpl(private val accountService: AccountService, private
     AccountApiService {
     override suspend fun verifyCredentials(userid: Long): CredentialAccount = transaction.transaction {
         val account = accountService.findById(userid)
-        of(account)
+        from(account)
     }
 
-    private fun of(account: Account): CredentialAccount {
+    private fun from(account: Account): CredentialAccount {
         return CredentialAccount(
             id = account.id,
             username = account.username,

src/main/kotlin/dev/usbharu/hideout/service/api/mastodon/AppApiService.kt

@@ -55,7 +55,5 @@ class AppApiServiceImpl(
         }
     }
 
-    private fun parseScope(string: String): Set<String> {
+    private fun parseScope(string: String): Set<String> = string.split(" ").toSet()
-        return string.split(" ").toSet()
-    }
 }

src/main/kotlin/dev/usbharu/hideout/service/api/mastodon/InstanceApiService.kt

@@ -11,13 +11,15 @@ interface InstanceApiService {
 
 @Service
 class InstanceApiServiceImpl(private val applicationConfig: ApplicationConfig) : InstanceApiService {
+    @Suppress("LongMethod")
     override suspend fun v1Instance(): V1Instance {
         val url = applicationConfig.url
         return V1Instance(
             uri = url.host,
             title = "Hideout Server",
             shortDescription = "Hideout test server",
-            description = "This server is operated for testing of Hideout. We are not responsible for any events that occur when associating with this server",
+            description = "This server is operated for testing of Hideout." +
+                    " We are not responsible for any events that occur when associating with this server",
             email = "i@usbharu.dev",
             version = "0.0.1",
             urls = V1InstanceUrls("wss://${url.host}"),
@@ -35,7 +37,7 @@ class InstanceApiServiceImpl(private val applicationConfig: ApplicationConfig) :
                     23
                 ),
                 mediaAttachments = V1InstanceConfigurationMediaAttachments(
-                    listOf(),
+                    emptyList(),
                     0,
                     0,
                     0,

src/main/kotlin/dev/usbharu/hideout/service/api/mastodon/StatusesApiService.kt

@@ -26,6 +26,7 @@ class StatsesApiServiceImpl(
     private val userQueryService: UserQueryService
 ) :
     StatusesApiService {
+    @Suppress("LongMethod")
     override suspend fun postStatus(statusesRequest: StatusesRequest, user: UserDetailsImpl): Status {
         val visibility = when (statusesRequest.visibility) {
             StatusesRequest.Visibility.public -> Visibility.PUBLIC
@@ -37,12 +38,12 @@ class StatsesApiServiceImpl(
 
         val post = postService.createLocal(
             PostCreateDto(
-                statusesRequest.status.orEmpty(),
+                text = statusesRequest.status.orEmpty(),
-                statusesRequest.spoilerText,
+                overview = statusesRequest.spoilerText,
-                visibility,
+                visibility = visibility,
-                null,
+                repostId = null,
-                statusesRequest.inReplyToId?.toLongOrNull(),
+                repolyId = statusesRequest.inReplyToId?.toLongOrNull(),
-                user.id
+                userId = user.id
             )
         )
         val account = accountService.findById(user.id)
@@ -58,7 +59,7 @@ class StatsesApiServiceImpl(
         val replyUser = if (post.replyId != null) {
             try {
                 userQueryService.findById(postQueryService.findById(post.replyId).userId).id
-            } catch (e: FailedToGetResourcesException) {
+            } catch (ignore: FailedToGetResourcesException) {
                 null
             }
         } else {
@@ -82,7 +83,7 @@ class StatsesApiServiceImpl(
             favouritesCount = 0,
             repliesCount = 0,
             url = post.url,
-            post.replyId?.toString(),
+            inReplyToId = post.replyId?.toString(),
             inReplyToAccountId = replyUser?.toString(),
             reblog = null,
             language = null,

src/main/kotlin/dev/usbharu/hideout/service/auth/ExposedOAuth2AuthorizationService.kt

@@ -40,6 +40,7 @@ class ExposedOAuth2AuthorizationService(
         }
     }
 
+    @Suppress("LongMethod", "CyclomaticComplexMethod")
     override fun save(authorization: OAuth2Authorization?): Unit = runBlocking {
         requireNotNull(authorization)
         transaction.transaction {
@@ -56,7 +57,8 @@ class ExposedOAuth2AuthorizationService(
                     it[registeredClientId] = authorization.registeredClientId
                     it[principalName] = authorization.principalName
                     it[authorizationGrantType] = authorization.authorizationGrantType.value
-                    it[authorizedScopes] = authorization.authorizedScopes.joinToString(",").takeIf { it.isNotEmpty() }
+                    it[authorizedScopes] =
+                        authorization.authorizedScopes.joinToString(",").takeIf { s -> s.isNotEmpty() }
                     it[attributes] = mapToJson(authorization.attributes)
                     it[state] = authorization.getAttribute(OAuth2ParameterNames.STATE)
                     it[authorizationCodeValue] = authorizationCodeToken?.token?.tokenValue
@@ -99,7 +101,8 @@ class ExposedOAuth2AuthorizationService(
                     it[registeredClientId] = authorization.registeredClientId
                     it[principalName] = authorization.principalName
                     it[authorizationGrantType] = authorization.authorizationGrantType.value
-                    it[authorizedScopes] = authorization.authorizedScopes.joinToString(",").takeIf { it.isNotEmpty() }
+                    it[authorizedScopes] =
+                        authorization.authorizedScopes.joinToString(",").takeIf { s -> s.isNotEmpty() }
                     it[attributes] = mapToJson(authorization.attributes)
                     it[state] = authorization.getAttribute(OAuth2ParameterNames.STATE)
                     it[authorizationCodeValue] = authorizationCodeToken?.token?.tokenValue
@@ -111,8 +114,9 @@ class ExposedOAuth2AuthorizationService(
                     it[accessTokenIssuedAt] = accessToken?.token?.issuedAt
                     it[accessTokenExpiresAt] = accessToken?.token?.expiresAt
                     it[accessTokenMetadata] = accessToken?.metadata?.let { it1 -> mapToJson(it1) }
-                    it[accessTokenType] = accessToken?.token?.tokenType?.value
+                    it[accessTokenType] = accessToken?.run { token.tokenType.value }
-                    it[accessTokenScopes] = accessToken?.token?.scopes?.joinToString(",")?.takeIf { it.isNotEmpty() }
+                    it[accessTokenScopes] =
+                        accessToken?.run { token.scopes.joinToString(",").takeIf { s -> s.isNotEmpty() } }
                     it[refreshTokenValue] = refreshToken?.token?.tokenValue
                     it[refreshTokenIssuedAt] = refreshToken?.token?.issuedAt
                     it[refreshTokenExpiresAt] = refreshToken?.token?.expiresAt
@@ -203,6 +207,7 @@ class ExposedOAuth2AuthorizationService(
         }
     }
 
+    @Suppress("LongMethod", "CyclomaticComplexMethod")
     fun ResultRow.toAuthorization(): OAuth2Authorization {
         val registeredClientId = this[Authorization.registeredClientId]
 

src/main/kotlin/dev/usbharu/hideout/service/auth/UserDetailsServiceImpl.kt

@@ -24,14 +24,14 @@ class UserDetailsServiceImpl(
         transaction.transaction {
             val findById = userQueryService.findByNameAndDomain(username, applicationConfig.url.host)
             UserDetailsImpl(
-                findById.id,
+                id = findById.id,
-                findById.name,
+                username = findById.name,
-                findById.password,
+                password = findById.password,
-                true,
+                enabled = true,
-                true,
+                accountNonExpired = true,
-                true,
+                credentialsNonExpired = true,
-                true,
+                accountNonLocked = true,
-                mutableListOf()
+                authorities = mutableListOf()
             )
         }
     }

src/main/kotlin/dev/usbharu/hideout/service/job/JobQueueWorkerService.kt

@@ -1,12 +1,14 @@
 package dev.usbharu.hideout.service.job
 
-import dev.usbharu.hideout.domain.model.job.HideoutJob
 import kjob.core.dsl.KJobFunctions
 import org.springframework.stereotype.Service
+import dev.usbharu.hideout.domain.model.job.HideoutJob as HJ
 import kjob.core.dsl.JobContextWithProps as JCWP
 import kjob.core.dsl.JobRegisterContext as JRC
 
 @Service
 interface JobQueueWorkerService {
-    fun init(defines: List<Pair<HideoutJob, JRC<HideoutJob, JCWP<HideoutJob>>.(HideoutJob) -> KJobFunctions<HideoutJob, JCWP<HideoutJob>>>>)
+    fun init(
+        defines: List<Pair<HJ, JRC<HJ, JCWP<HJ>>.(HJ) -> KJobFunctions<HJ, JCWP<HJ>>>>
+    )
 }

src/main/kotlin/dev/usbharu/hideout/service/job/KJobJobQueueWorkerService.kt

@@ -1,13 +1,13 @@
 package dev.usbharu.hideout.service.job
 
-import dev.usbharu.hideout.domain.model.job.HideoutJob
 import dev.usbharu.kjob.exposed.ExposedKJob
-import kjob.core.dsl.JobContextWithProps
 import kjob.core.dsl.JobRegisterContext
 import kjob.core.dsl.KJobFunctions
 import kjob.core.kjob
 import org.jetbrains.exposed.sql.Database
 import org.springframework.stereotype.Service
+import dev.usbharu.hideout.domain.model.job.HideoutJob as HJ
+import kjob.core.dsl.JobContextWithProps as JCWP
 
 @Service
 class KJobJobQueueWorkerService(private val database: Database) : JobQueueWorkerService {
@@ -21,7 +21,9 @@ class KJobJobQueueWorkerService(private val database: Database) : JobQueueWorker
         }.start()
     }
 
-    override fun init(defines: List<Pair<HideoutJob, JobRegisterContext<HideoutJob, JobContextWithProps<HideoutJob>>.(HideoutJob) -> KJobFunctions<HideoutJob, JobContextWithProps<HideoutJob>>>>) {
+    override fun init(
+        defines: List<Pair<HJ, JobRegisterContext<HJ, JCWP<HJ>>.(HJ) -> KJobFunctions<HJ, JCWP<HJ>>>>
+    ) {
         defines.forEach { job ->
             kjob.register(job.first, job.second)
         }

src/main/kotlin/dev/usbharu/hideout/service/mastodon/AccountService.kt

@@ -25,15 +25,15 @@ class AccountServiceImpl(private val userQueryService: UserQueryService) : Accou
             header = findById.url + "/header.jpg",
             headerStatic = findById.url + "/header.jpg",
             locked = false,
-            emptyList(),
+            fields = emptyList(),
-            emptyList(),
+            emojis = emptyList(),
-            false,
+            bot = false,
-            false,
+            group = false,
-            false,
+            discoverable = false,
-            findById.createdAt.toString(),
+            createdAt = findById.createdAt.toString(),
-            findById.createdAt.toString(),
+            lastStatusAt = findById.createdAt.toString(),
-            0,
+            statusesCount = 0,
-            0,
+            followersCount = 0,
         )
     }
 }

src/main/kotlin/dev/usbharu/hideout/service/user/UserAuthServiceImpl.kt

@@ -12,9 +12,7 @@ class UserAuthServiceImpl(
     val userQueryService: UserQueryService
 ) : UserAuthService {
 
-    override fun hash(password: String): String {
+    override fun hash(password: String): String = BCryptPasswordEncoder().encode(password)
-        return BCryptPasswordEncoder().encode(password)
-    }
 
     override suspend fun usernameAlreadyUse(username: String): Boolean {
         userQueryService.findByName(username)

src/main/kotlin/dev/usbharu/hideout/util/JsonUtil.kt

@@ -1,16 +0,0 @@
-package dev.usbharu.hideout.util
-
-import com.fasterxml.jackson.databind.ObjectMapper
-import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule
-import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
-import com.fasterxml.jackson.module.kotlin.readValue
-
-object JsonUtil {
-    val objectMapper = jacksonObjectMapper().registerModule(JavaTimeModule())
-
-    fun mapToJson(map: Map<*, *>, objectMapper: ObjectMapper = this.objectMapper): String =
-        objectMapper.writeValueAsString(map)
-
-    fun <K, V> jsonToMap(json: String, objectMapper: ObjectMapper = this.objectMapper): Map<K, V> =
-        objectMapper.readValue(json)
-}

src/main/kotlin/dev/usbharu/hideout/util/JsonWebKeyUtil.kt

@@ -1,39 +0,0 @@
-package dev.usbharu.hideout.util
-
-import java.math.BigInteger
-import java.security.KeyFactory
-import java.security.interfaces.RSAPublicKey
-import java.security.spec.X509EncodedKeySpec
-import java.util.*
-
-object JsonWebKeyUtil {
-
-    fun publicKeyToJwk(publicKey: String, kid: String): String {
-        val x509EncodedKeySpec = X509EncodedKeySpec(Base64.getDecoder().decode(publicKey))
-        val generatePublic = KeyFactory.getInstance("RSA").generatePublic(x509EncodedKeySpec)
-        return publicKeyToJwk(generatePublic as RSAPublicKey, kid)
-    }
-
-    fun publicKeyToJwk(publicKey: RSAPublicKey, kid: String): String {
-        val e = encodeBase64UInt(publicKey.publicExponent)
-        val n = encodeBase64UInt(publicKey.modulus)
-        return """{"keys":[{"e":"$e","n":"$n","use":"sig","kid":"$kid","kty":"RSA"}]}"""
-    }
-
-    private fun encodeBase64UInt(bigInteger: BigInteger, minLength: Int = -1): String {
-        require(bigInteger.signum() >= 0) { "Cannot encode negative numbers" }
-
-        var bytes = bigInteger.toByteArray()
-        if (bigInteger.bitLength() % 8 == 0 && (bytes[0] == 0.toByte()) && bytes.size > 1) {
-            bytes = Arrays.copyOfRange(bytes, 1, bytes.size)
-        }
-        if (minLength != -1) {
-            if (bytes.size < minLength) {
-                val array = ByteArray(minLength)
-                System.arraycopy(bytes, 0, array, minLength - bytes.size, bytes.size)
-                bytes = array
-            }
-        }
-        return Base64.getUrlEncoder().withoutPadding().encodeToString(bytes)
-    }
-}