From cc0d8da7504ac30c040faeb5fee6937a5cbd1fbf Mon Sep 17 00:00:00 2001
From: SOR <3272194354@qq.com>
Date: Thu, 25 Jun 2026 13:24:47 +0800
Subject: [PATCH] feat: websocket support

---
 .idea/gradle.xml                              |   1 +
 .idea/misc.xml                                |   3 +
 .idea/vcs.xml                                 |   1 +
 backend/build.gradle.kts                      |   1 -
 ...ppApplication.kt => BackendApplication.kt} |   4 +-
 .../sor2171/backend/config/SecurityConfig.kt  |  44 ++--
 .../sor2171/backend/config/WebSocketConfig.kt |  31 +++
 .../{ => v1}/AuthorizeController.kt           |  39 ++--
 .../entity/{RestBean.kt => ApiResponse.kt}    |  18 +-
 .../backend/exception/ValidationController.kt |   6 +-
 .../sor2171/backend/filter/FlowLimitFilter.kt |   4 +-
 .../sor2171/backend/handler/TestHandler.kt    |  20 ++
 .../backend/handler/v1/ExampleHandler.kt      |  20 ++
 .../sor2171/backend/service/AccountService.kt |  13 +-
 .../service/impl/AccountServiceImpl.kt        | 215 +++++-------------
 .../service/v1/AuthorizationService.kt        | 156 +++++++++++++
 .../com/github/sor2171/backend/utils/Const.kt |   4 +
 .../main/resources/application-example.yaml   |   3 -
 ...ionTests.kt => BackendApplicationTests.kt} |   0
 19 files changed, 353 insertions(+), 230 deletions(-)
 rename backend/src/main/kotlin/com/github/sor2171/backend/{CareerppApplication.kt => BackendApplication.kt} (75%)
 create mode 100644 backend/src/main/kotlin/com/github/sor2171/backend/config/WebSocketConfig.kt
 rename backend/src/main/kotlin/com/github/sor2171/backend/controller/{ => v1}/AuthorizeController.kt (65%)
 rename backend/src/main/kotlin/com/github/sor2171/backend/entity/{RestBean.kt => ApiResponse.kt} (60%)
 create mode 100644 backend/src/main/kotlin/com/github/sor2171/backend/handler/TestHandler.kt
 create mode 100644 backend/src/main/kotlin/com/github/sor2171/backend/handler/v1/ExampleHandler.kt
 create mode 100644 backend/src/main/kotlin/com/github/sor2171/backend/service/v1/AuthorizationService.kt
 rename backend/src/test/kotlin/com/github/sor2171/backend/{CareerppApplicationTests.kt => BackendApplicationTests.kt} (100%)

diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index cc93eef..2944ede 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
diff --git a/.idea/misc.xml b/.idea/misc.xml
index a94cba3..99e7ccd 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,6 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="FrameworkDetectionExcludesConfiguration">
+    <file type="web" url="file://$PROJECT_DIR$/backend" />
+  </component>
   <component name="ProjectRootManager" version="2">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
index 35eb1dd..b35f037 100644
--- a/.idea/vcs.xml
+++ b/.idea/vcs.xml
@@ -2,5 +2,6 @@
 <project version="4">
   <component name="VcsDirectoryMappings">
     <mapping directory="" vcs="Git" />
+    <mapping directory="$PROJECT_DIR$/ItStudio-CareerPlanningPlatform" vcs="Git" />
   </component>
 </project>
\ No newline at end of file
diff --git a/backend/build.gradle.kts b/backend/build.gradle.kts
index 2d28acf..b82b5b3 100644
--- a/backend/build.gradle.kts
+++ b/backend/build.gradle.kts
@@ -30,7 +30,6 @@ dependencies {
     implementation("org.springframework.boot:spring-boot-starter-validation")
     implementation("org.springframework.boot:spring-boot-starter-webflux")
 	implementation("org.springframework:spring-messaging")
-    implementation("io.projectreactor.kotlin:reactor-kotlin-extensions")
     implementation("org.jetbrains.kotlin:kotlin-reflect")
     implementation("org.jetbrains.kotlinx:kotlinx-coroutines-reactor")
     implementation("org.jetbrains.kotlinx:kotlinx-datetime:0.6.0")
diff --git a/backend/src/main/kotlin/com/github/sor2171/backend/CareerppApplication.kt b/backend/src/main/kotlin/com/github/sor2171/backend/BackendApplication.kt
similarity index 75%
rename from backend/src/main/kotlin/com/github/sor2171/backend/CareerppApplication.kt
rename to backend/src/main/kotlin/com/github/sor2171/backend/BackendApplication.kt
index c85083c..93a64ac 100644
--- a/backend/src/main/kotlin/com/github/sor2171/backend/CareerppApplication.kt
+++ b/backend/src/main/kotlin/com/github/sor2171/backend/BackendApplication.kt
@@ -4,8 +4,8 @@ import org.springframework.boot.autoconfigure.SpringBootApplication
 import org.springframework.boot.runApplication
 
 @SpringBootApplication
-class CareerppApplication
+class BackendApplication
 
 fun main(args: Array<String>) {
-	runApplication<CareerppApplication>(*args)
+	runApplication<BackendApplication>(*args)
 }
diff --git a/backend/src/main/kotlin/com/github/sor2171/backend/config/SecurityConfig.kt b/backend/src/main/kotlin/com/github/sor2171/backend/config/SecurityConfig.kt
index 8596b88..9170d96 100644
--- a/backend/src/main/kotlin/com/github/sor2171/backend/config/SecurityConfig.kt
+++ b/backend/src/main/kotlin/com/github/sor2171/backend/config/SecurityConfig.kt
@@ -1,6 +1,6 @@
 package com.github.sor2171.backend.config
 
-import com.github.sor2171.backend.entity.RestBean
+import com.github.sor2171.backend.entity.ApiResponse
 import com.github.sor2171.backend.entity.vo.response.AuthorizeVO
 import com.github.sor2171.backend.filter.JwtAuthorizeFilter
 import com.github.sor2171.backend.service.AccountService
@@ -50,13 +50,15 @@ class SecurityConfig(
             .authorizeExchange {
                 it
                     .pathMatchers(
-                        "/api/auth/relogin"
+                        "/api/v1/auth/relogin"
                     ).authenticated()
                     .pathMatchers(
-                        "/api/auth/**",
+                        "/api/v1/auth/**",
+                        "/ws/**",
                         "/error"
                     ).permitAll()
-                    .anyExchange().authenticated()
+                    .anyExchange()
+                    .authenticated()
             }
             .addFilterAt(loginAuthenticationFilter(), SecurityWebFiltersOrder.AUTHENTICATION)
             .addFilterAt(jwtAuthorizeFilter, SecurityWebFiltersOrder.AUTHENTICATION)
@@ -65,14 +67,14 @@ class SecurityConfig(
                     writeJsonResponse(
                         exchange,
                         HttpStatus.UNAUTHORIZED,
-                        RestBean.unauthenticated(ex.message)
+                        ApiResponse.unauthenticated(ex.message)
                     )
                 }
                     .accessDeniedHandler { exchange, ex ->
                         writeJsonResponse(
                             exchange,
                             HttpStatus.FORBIDDEN,
-                            RestBean.forbidden(ex.message)
+                            ApiResponse.forbidden(ex.message)
                         )
                     }
             }
@@ -85,7 +87,7 @@ class SecurityConfig(
     fun loginAuthenticationFilter(): AuthenticationWebFilter {
         val filter = AuthenticationWebFilter(reactiveAuthenticationManager())
         filter.setRequiresAuthenticationMatcher(
-            ServerWebExchangeMatchers.pathMatchers("/api/auth/login")
+            ServerWebExchangeMatchers.pathMatchers("/api/v1/auth/login")
         )
         filter.setServerAuthenticationConverter(loginAuthenticationConverter())
         filter.setAuthenticationSuccessHandler { webFilterExchange, authentication ->
@@ -102,7 +104,7 @@ class SecurityConfig(
                     writeJsonResponse(
                         webFilterExchange.exchange,
                         HttpStatus.OK,
-                        RestBean.success(vo)
+                        ApiResponse.success(vo)
                     )
                 }
         }
@@ -110,7 +112,7 @@ class SecurityConfig(
             writeJsonResponse(
                 webFilterExchange.exchange,
                 HttpStatus.UNAUTHORIZED,
-                RestBean.unauthenticated(exception.message)
+                ApiResponse.unauthenticated(exception.message)
             )
         }
         return filter
@@ -134,18 +136,18 @@ class SecurityConfig(
             }
         }
     }
-}
 
-internal inline fun <reified T> writeJsonResponse(
-    exchange: ServerWebExchange,
-    status: HttpStatus,
-    body: RestBean<T>
-): Mono<Void> {
-    val response = exchange.response
-    response.statusCode = status
-    response.headers.contentType = MediaType.APPLICATION_JSON
+    private inline fun <reified T> writeJsonResponse(
+        exchange: ServerWebExchange,
+        status: HttpStatus,
+        body: ApiResponse<T>
+    ): Mono<Void> {
+        val response = exchange.response
+        response.statusCode = status
+        response.headers.contentType = MediaType.APPLICATION_JSON
 
-    val jsonString = Json.encodeToJsonElement(body).toString()
-    val buffer = response.bufferFactory().wrap(jsonString.toByteArray())
-    return response.writeWith(Mono.just(buffer))
+        val jsonString = Json.encodeToJsonElement(body).toString()
+        val buffer = response.bufferFactory().wrap(jsonString.toByteArray())
+        return response.writeWith(Mono.just(buffer))
+    }
 }
\ No newline at end of file
diff --git a/backend/src/main/kotlin/com/github/sor2171/backend/config/WebSocketConfig.kt b/backend/src/main/kotlin/com/github/sor2171/backend/config/WebSocketConfig.kt
new file mode 100644
index 0000000..8253398
--- /dev/null
+++ b/backend/src/main/kotlin/com/github/sor2171/backend/config/WebSocketConfig.kt
@@ -0,0 +1,31 @@
+package com.github.sor2171.backend.config
+
+import com.github.sor2171.backend.handler.TestHandler
+import com.github.sor2171.backend.handler.v1.ExampleHandler
+import org.springframework.context.annotation.Bean
+import org.springframework.context.annotation.Configuration
+import org.springframework.web.reactive.HandlerMapping
+import org.springframework.web.reactive.handler.SimpleUrlHandlerMapping
+import org.springframework.web.reactive.socket.server.support.WebSocketHandlerAdapter
+
+@Configuration
+class WebSocketConfig(
+    private val exampleHandler: ExampleHandler,
+    private val testHandler: TestHandler
+) {
+    @Bean
+    fun handlerMapping(): HandlerMapping {
+        val map = mapOf(
+            "/ws/v1/example" to exampleHandler,
+            "/ws/test" to testHandler
+        )
+        val mapping = SimpleUrlHandlerMapping()
+        mapping.urlMap = map
+        mapping.order = 1
+        return mapping
+    }
+
+    @Bean
+    fun handlerAdapter(): WebSocketHandlerAdapter =
+        WebSocketHandlerAdapter()
+}
\ No newline at end of file
diff --git a/backend/src/main/kotlin/com/github/sor2171/backend/controller/AuthorizeController.kt b/backend/src/main/kotlin/com/github/sor2171/backend/controller/v1/AuthorizeController.kt
similarity index 65%
rename from backend/src/main/kotlin/com/github/sor2171/backend/controller/AuthorizeController.kt
rename to backend/src/main/kotlin/com/github/sor2171/backend/controller/v1/AuthorizeController.kt
index 68f1a64..1afd7c3 100644
--- a/backend/src/main/kotlin/com/github/sor2171/backend/controller/AuthorizeController.kt
+++ b/backend/src/main/kotlin/com/github/sor2171/backend/controller/v1/AuthorizeController.kt
@@ -1,24 +1,29 @@
-package com.github.sor2171.backend.controller
+package com.github.sor2171.backend.controller.v1
 
-import com.github.sor2171.backend.entity.RestBean
+import com.github.sor2171.backend.entity.ApiResponse
 import com.github.sor2171.backend.entity.vo.request.EmailRegisterVO
 import com.github.sor2171.backend.entity.vo.request.PasswordResetVO
-import com.github.sor2171.backend.service.AccountService
+import com.github.sor2171.backend.service.v1.AuthorizationService
 import jakarta.validation.Valid
 import jakarta.validation.constraints.Email
 import jakarta.validation.constraints.NotBlank
 import jakarta.validation.constraints.Pattern
 import org.slf4j.LoggerFactory
 import org.springframework.validation.annotation.Validated
-import org.springframework.web.bind.annotation.*
+import org.springframework.web.bind.annotation.GetMapping
+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.RequestParam
+import org.springframework.web.bind.annotation.RestController
 import org.springframework.web.server.ServerWebExchange
 import reactor.core.publisher.Mono
 
 @Validated
 @RestController
-@RequestMapping("/api/auth")
+@RequestMapping("/api/v1/auth")
 class AuthorizeController(
-    private val service: AccountService
+    private val service: AuthorizationService
 ) {
     private val logger = LoggerFactory.getLogger(this::class.java)
 
@@ -27,7 +32,7 @@ class AuthorizeController(
         @RequestParam @NotBlank @Email email: String,
         @RequestParam @Pattern(regexp = "(register|reset)") type: String,
         exchange: ServerWebExchange
-    ): Mono<RestBean<Any?>> {
+    ): Mono<ApiResponse<Any?>> {
         logger.info("Trying to ask code")
         val ip = exchange.request.remoteAddress?.address?.hostAddress ?: "unknown"
         return service.askEmailVerifyCode(type, email, ip)
@@ -35,45 +40,45 @@ class AuthorizeController(
     }
 
     @PostMapping("/register")
-    fun emailRegister(@RequestBody @Valid vo: EmailRegisterVO): Mono<RestBean<Any?>> {
+    fun emailRegister(@RequestBody @Valid vo: EmailRegisterVO): Mono<ApiResponse<Any?>> {
         logger.info("Trying to register")
         return service.registerEmailAccount(vo)
             .map { messageHandler(it) }
     }
 
     @PostMapping("/reset")
-    fun emailResetPassword(@RequestBody @Valid vo: PasswordResetVO): Mono<RestBean<Any?>> {
+    fun emailResetPassword(@RequestBody @Valid vo: PasswordResetVO): Mono<ApiResponse<Any?>> {
         logger.info("Trying to reset password")
         return service.resetEmailAccountPassword(vo)
             .map { messageHandler(it) }
     }
 
     @GetMapping("/logout")
-    fun logout(exchange: ServerWebExchange): Mono<RestBean<Any?>> {
+    fun logout(exchange: ServerWebExchange): Mono<ApiResponse<Any?>> {
         logger.info("Trying to logout")
         val authorization = exchange.request.headers.getFirst("Authorization")
         return Mono.fromCallable { service.invalidateJwt(authorization) }
             .map { success ->
-                if (success) RestBean.success()
-                else RestBean.logoutFailed()
+                if (success) ApiResponse.success()
+                else ApiResponse.logoutFailed()
             }
     }
 
     @GetMapping("/relogin")
-    fun relogin(exchange: ServerWebExchange): Mono<RestBean<Any?>> {
+    fun relogin(exchange: ServerWebExchange): Mono<ApiResponse<Any?>> {
         logger.info("Trying to relogin")
         val authorization = exchange.request.headers.getFirst("Authorization")
         return service
             .jwtTokenRelogin(authorization)
-            ?.map { RestBean.success(it) }
+            ?.map { ApiResponse.success(it) }
             ?: Mono.just(messageHandler("Please login with password."))
     }
 
-    private fun messageHandler(wrongMessage: String): RestBean<Any?> {
+    private fun messageHandler(wrongMessage: String): ApiResponse<Any?> {
         return if (wrongMessage.isBlank()) {
-            RestBean.success()
+            ApiResponse.success()
         } else {
-            RestBean.failure(400, null, wrongMessage)
+            ApiResponse.failure(400, null, wrongMessage)
         }
     }
 }
\ No newline at end of file
diff --git a/backend/src/main/kotlin/com/github/sor2171/backend/entity/RestBean.kt b/backend/src/main/kotlin/com/github/sor2171/backend/entity/ApiResponse.kt
similarity index 60%
rename from backend/src/main/kotlin/com/github/sor2171/backend/entity/RestBean.kt
rename to backend/src/main/kotlin/com/github/sor2171/backend/entity/ApiResponse.kt
index e369909..8602b3d 100644
--- a/backend/src/main/kotlin/com/github/sor2171/backend/entity/RestBean.kt
+++ b/backend/src/main/kotlin/com/github/sor2171/backend/entity/ApiResponse.kt
@@ -4,23 +4,23 @@ import kotlinx.serialization.Serializable
 import kotlinx.serialization.json.Json
 
 @Serializable
-data class RestBean<T>(
+data class ApiResponse<T>(
     val code: Int,
     val data: T,
     val message: String
 ) {
     companion object {
-        fun <T> success(data: T, message: String = "Success"): RestBean<T> {
-            return RestBean(200, data, message)
+        fun <T> success(data: T, message: String = "Success"): ApiResponse<T> {
+            return ApiResponse(200, data, message)
         }
 
         // 针对无 data 返回的情况，统一使用 Any?
-        fun success(message: String = "Success"): RestBean<Any?> {
-            return RestBean(200, null, message)
+        fun success(message: String = "Success"): ApiResponse<Any?> {
+            return ApiResponse(200, null, message)
         }
 
-        fun <T> failure(code: Int = 401, data: T, message: String?): RestBean<T> {
-            return RestBean(code, data, message ?: "Failure")
+        fun <T> failure(code: Int = 401, data: T, message: String?): ApiResponse<T> {
+            return ApiResponse(code, data, message ?: "Failure")
         }
 
         fun unauthenticated(message: String?) =
@@ -29,13 +29,13 @@ data class RestBean<T>(
         fun forbidden(message: String?) =
             failure(403, null, message)
 
-        fun logoutFailed(message: String = ""): RestBean<Any?> {
+        fun logoutFailed(message: String = ""): ApiResponse<Any?> {
             val formatMessage = if (message.isBlank()) "" else ": $message"
             return failure(400, null, "Logout Failed$formatMessage")
         }
     }
 }
 
-inline fun <reified T> RestBean<T>.toJsonString(): String {
+inline fun <reified T> ApiResponse<T>.toJsonString(): String {
     return Json.encodeToString(this)
 }
\ No newline at end of file
diff --git a/backend/src/main/kotlin/com/github/sor2171/backend/exception/ValidationController.kt b/backend/src/main/kotlin/com/github/sor2171/backend/exception/ValidationController.kt
index 18dfa6f..f2e7a65 100644
--- a/backend/src/main/kotlin/com/github/sor2171/backend/exception/ValidationController.kt
+++ b/backend/src/main/kotlin/com/github/sor2171/backend/exception/ValidationController.kt
@@ -1,6 +1,6 @@
 package com.github.sor2171.backend.exception
 
-import com.github.sor2171.backend.entity.RestBean
+import com.github.sor2171.backend.entity.ApiResponse
 import jakarta.validation.ValidationException
 import org.slf4j.LoggerFactory
 import org.springframework.web.bind.annotation.ExceptionHandler
@@ -12,9 +12,9 @@ class ValidationController {
     private val log = LoggerFactory.getLogger(ValidationController::class.java)
 
     @ExceptionHandler(ValidationException::class)
-    fun validationException(e: Exception): RestBean<out String?> {
+    fun validationException(e: Exception): ApiResponse<out String?> {
         log.warn("Resolve [${e.javaClass.name}: ${e.message}]")
-        return RestBean.failure(
+        return ApiResponse.failure(
             400,
             null,
             "parameter validation error"
diff --git a/backend/src/main/kotlin/com/github/sor2171/backend/filter/FlowLimitFilter.kt b/backend/src/main/kotlin/com/github/sor2171/backend/filter/FlowLimitFilter.kt
index 13e000a..7cdcdf7 100644
--- a/backend/src/main/kotlin/com/github/sor2171/backend/filter/FlowLimitFilter.kt
+++ b/backend/src/main/kotlin/com/github/sor2171/backend/filter/FlowLimitFilter.kt
@@ -1,6 +1,6 @@
 package com.github.sor2171.backend.filter
 
-import com.github.sor2171.backend.entity.RestBean
+import com.github.sor2171.backend.entity.ApiResponse
 import com.github.sor2171.backend.entity.toJsonString
 import com.github.sor2171.backend.utils.Const
 import org.springframework.core.annotation.Order
@@ -37,7 +37,7 @@ class FlowLimitFilter(
         response.statusCode = HttpStatus.FORBIDDEN
         response.headers.contentType = MediaType.APPLICATION_JSON
         val buffer = response.bufferFactory()
-            .wrap(RestBean.forbidden("Too many requests").toJsonString().toByteArray())
+            .wrap(ApiResponse.forbidden("Too many requests").toJsonString().toByteArray())
         return response.writeWith(Mono.just(buffer))
     }
 
diff --git a/backend/src/main/kotlin/com/github/sor2171/backend/handler/TestHandler.kt b/backend/src/main/kotlin/com/github/sor2171/backend/handler/TestHandler.kt
new file mode 100644
index 0000000..89f9c84
--- /dev/null
+++ b/backend/src/main/kotlin/com/github/sor2171/backend/handler/TestHandler.kt
@@ -0,0 +1,20 @@
+package com.github.sor2171.backend.handler
+
+import org.springframework.stereotype.Component
+import org.springframework.web.reactive.socket.WebSocketHandler
+import org.springframework.web.reactive.socket.WebSocketSession
+import reactor.core.publisher.Mono
+
+@Component
+class TestHandler : WebSocketHandler {
+    override fun handle(session: WebSocketSession): Mono<Void> {
+        // ws://localhost:8080/ws/test
+        val output = session.receive()
+            .map { msg ->
+                val userText = msg.payloadAsText
+                session.textMessage("Kotlin springboot4 received: $userText")
+            }
+        
+        return session.send(output)
+    }
+}
diff --git a/backend/src/main/kotlin/com/github/sor2171/backend/handler/v1/ExampleHandler.kt b/backend/src/main/kotlin/com/github/sor2171/backend/handler/v1/ExampleHandler.kt
new file mode 100644
index 0000000..9388628
--- /dev/null
+++ b/backend/src/main/kotlin/com/github/sor2171/backend/handler/v1/ExampleHandler.kt
@@ -0,0 +1,20 @@
+package com.github.sor2171.backend.handler.v1
+
+import org.springframework.stereotype.Component
+import org.springframework.web.reactive.socket.WebSocketHandler
+import org.springframework.web.reactive.socket.WebSocketSession
+import reactor.core.publisher.Mono
+
+@Component
+class ExampleHandler : WebSocketHandler {
+    override fun handle(session: WebSocketSession): Mono<Void> {
+        // ws://localhost:8080/ws/v1/example
+        val output = session.receive()
+            .map { msg ->
+                val userText = msg.payloadAsText
+                session.textMessage("Kotlin springboot4 received: $userText")
+            }
+        
+        return session.send(output)
+    }
+}
diff --git a/backend/src/main/kotlin/com/github/sor2171/backend/service/AccountService.kt b/backend/src/main/kotlin/com/github/sor2171/backend/service/AccountService.kt
index 29c9025..a498ab3 100644
--- a/backend/src/main/kotlin/com/github/sor2171/backend/service/AccountService.kt
+++ b/backend/src/main/kotlin/com/github/sor2171/backend/service/AccountService.kt
@@ -2,17 +2,14 @@ package com.github.sor2171.backend.service
 
 import com.baomidou.mybatisplus.extension.service.IService
 import com.github.sor2171.backend.entity.dto.Account
-import com.github.sor2171.backend.entity.vo.request.EmailRegisterVO
-import com.github.sor2171.backend.entity.vo.request.PasswordResetVO
-import com.github.sor2171.backend.entity.vo.response.ReloginVO
 import org.springframework.security.core.userdetails.ReactiveUserDetailsService
 import reactor.core.publisher.Mono
 
 interface AccountService : IService<Account>, ReactiveUserDetailsService {
     fun findAccountByNameOrEmail(text: String): Mono<Account>
-    fun askEmailVerifyCode(type: String, email: String, ip: String): Mono<String>
-    fun registerEmailAccount(vo: EmailRegisterVO): Mono<String>
-    fun resetEmailAccountPassword(vo: PasswordResetVO): Mono<String>
-    fun invalidateJwt(headerToken: String?): Boolean
-    fun jwtTokenRelogin(headerToken: String?): Mono<ReloginVO>?
+    fun findAccountByName(username: String): Mono<Account>
+    fun findAccountByEmail(email: String): Mono<Account>
+    fun existAccountByName(username: String): Mono<Boolean>
+    fun existAccountByEmail(email: String): Mono<Boolean>
+    fun resetPasswordByEmail(email: String, encodedPassword: String): Mono<String>
 }
\ No newline at end of file
diff --git a/backend/src/main/kotlin/com/github/sor2171/backend/service/impl/AccountServiceImpl.kt b/backend/src/main/kotlin/com/github/sor2171/backend/service/impl/AccountServiceImpl.kt
index c77ae28..d6cbd79 100644
--- a/backend/src/main/kotlin/com/github/sor2171/backend/service/impl/AccountServiceImpl.kt
+++ b/backend/src/main/kotlin/com/github/sor2171/backend/service/impl/AccountServiceImpl.kt
@@ -1,41 +1,23 @@
 package com.github.sor2171.backend.service.impl
 
-import com.baomidou.mybatisplus.core.toolkit.Wrappers
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl
 import com.github.sor2171.backend.entity.dto.Account
-import com.github.sor2171.backend.entity.dto.EmailVerificationMsg
-import com.github.sor2171.backend.entity.vo.request.EmailRegisterVO
-import com.github.sor2171.backend.entity.vo.request.PasswordResetVO
-import com.github.sor2171.backend.entity.vo.response.ReloginVO
 import com.github.sor2171.backend.mapper.AccountMapper
 import com.github.sor2171.backend.service.AccountService
-import com.github.sor2171.backend.utils.Const
-import com.github.sor2171.backend.utils.DateUtils.getCurrentDateTime
-import com.github.sor2171.backend.utils.FlowUtils
-import com.github.sor2171.backend.utils.JwtUtils
-import org.springframework.amqp.core.AmqpTemplate
-import org.springframework.data.redis.core.ReactiveStringRedisTemplate
+import org.slf4j.LoggerFactory
 import org.springframework.security.core.userdetails.User
 import org.springframework.security.core.userdetails.UserDetails
 import org.springframework.security.core.userdetails.UsernameNotFoundException
-import org.springframework.security.crypto.password.PasswordEncoder
 import org.springframework.stereotype.Service
 import reactor.core.publisher.Mono
-import reactor.core.scheduler.Schedulers
-import java.time.Duration
 
 @Service
-class AccountServiceImpl(
-    private val utils: FlowUtils,
-    private val jwtUtils: JwtUtils,
-    private val amqpTemplate: AmqpTemplate,
-    private val stringRedisTemplate: ReactiveStringRedisTemplate,
-    private val encoder: PasswordEncoder
+class AccountServiceImpl : ServiceImpl<AccountMapper, Account>(), AccountService {
 
-) : ServiceImpl<AccountMapper, Account>(), AccountService {
+    val logger = LoggerFactory.getLogger(this::class.java)!!
 
     override fun findByUsername(username: String): Mono<UserDetails> {
-        return findAccountByNameOrEmail(username)
+        return findAccountByName(username)
             .switchIfEmpty(Mono.error(UsernameNotFoundException("Account with name $username not found")))
             .map { account ->
                 User.withUsername(username)
@@ -45,165 +27,70 @@ class AccountServiceImpl(
             }
     }
 
-    override fun findAccountByNameOrEmail(text: String): Mono<Account> {
+    override fun findAccountByName(username: String): Mono<Account> {
         return Mono.fromCallable {
-            this.query()
-                .eq("username", text).or()
-                .eq("email", text)
+            logger.info("Find account with name $username")
+            this.ktQuery()
+                .eq(Account::username, username)
                 .one()
         }.flatMap { account ->
             Mono.just(account)
-        }
+        }.switchIfEmpty(Mono.error(UsernameNotFoundException("Account with name $username not found")))
     }
 
-    override fun askEmailVerifyCode(type: String, email: String, ip: String): Mono<String> {
-        return verifyLimit(ip).flatMap { allowed ->
-            if (allowed) {
-                val code = (100000..999999).random().toString()
-                val data = EmailVerificationMsg(email, type, code)
-
-                Mono.fromRunnable<Void> {
-                    amqpTemplate.convertAndSend("mail", data)
-                }.then(
-                    stringRedisTemplate.opsForValue()
-                        .set(
-                            Const.VERIFY_EMAIL_DATA + email,
-                            code,
-                            Duration.ofMinutes(3)
-                        )
-                ).thenReturn("").subscribeOn(Schedulers.boundedElastic())
-            } else {
-                Mono.just("Request limit exceeded. Please try again later.")
-            }
-        }
-    }
-
-    override fun registerEmailAccount(vo: EmailRegisterVO): Mono<String> {
-        val (email, code, username, password) = vo
-
-        return verifyCode(email, code).flatMap { error ->
-            if (!error.isBlank()) {
-                return@flatMap Mono.just(error)
-            }
-
-            existAccountByEmail(email).flatMap { emailExists ->
-                if (emailExists) {
-                    return@flatMap Mono.just("account with the same email already exists.")
-                }
-
-                existAccountByUsername(username).flatMap { usernameExists ->
-                    if (usernameExists) {
-                        return@flatMap Mono.just("username already exists.")
-                    }
-
-                    val encodedPassword = encoder.encode(password)
-                    val account = Account(
-                        null,
-                        username,
-                        encodedPassword!!,
-                        email,
-                        "user",
-                        getCurrentDateTime()
-                    )
-
-                    Mono.fromCallable { this.save(account) }
-                        .flatMap { success ->
-                            if (success) {
-                                stringRedisTemplate.delete(Const.VERIFY_EMAIL_DATA + email)
-                                    .thenReturn("")
-                            } else {
-                                Mono.just("something went wrong. Please contact the administrator.")
-                            }
-                        }
-                }
-            }
-        }
-    }
-
-    override fun resetEmailAccountPassword(vo: PasswordResetVO): Mono<String> {
-        val (email, code, password) = vo
-
-        return verifyCode(email, code).flatMap { error ->
-            if (!error.isBlank()) {
-                return@flatMap Mono.just(error)
-            }
-
-            existAccountByEmail(email).flatMap { exists ->
-                if (!exists) {
-                    return@flatMap Mono.just("account with the email does not exist.")
-                }
-
-                val encodedPassword = encoder.encode(password)
-
-                Mono.fromCallable {
-                    this.update()
-                        .eq("email", email)
-                        .set("password", encodedPassword)
-                        .update()
-                }.flatMap { success ->
-                    if (success) {
-                        stringRedisTemplate.delete(Const.VERIFY_EMAIL_DATA + email)
-                            .thenReturn("")
-                    } else {
-                        Mono.just("something went wrong. Please contact the administrator.")
-                    }
-                }
-            }
-        }
-    }
-
-    override fun jwtTokenRelogin(headerToken: String?): Mono<ReloginVO>? {
-        val user = jwtUtils.resolveJwt(headerToken?.substring("Bearer ".length))
-            ?.let { jwtUtils.toUser(it) }
-            ?: return null
-        val accountMono = findAccountByNameOrEmail(user.username)
-        val voMono = accountMono.map {
-            ReloginVO(
-                jwtUtils.createJwt(user, it.id!!, it.username),
-                jwtUtils.expiresTime().toInstant().toString()
-            )
-        }
-        return voMono
-    }
-
-    override fun invalidateJwt(headerToken: String?): Boolean {
-        return jwtUtils.invalidateJwt(headerToken)
-    }
-
-    private fun existAccountByEmail(email: String): Mono<Boolean> {
+    override fun findAccountByEmail(email: String): Mono<Account> {
         return Mono.fromCallable {
-            this.baseMapper.exists(
-                Wrappers.query<Account>()
-                    .eq("email", email)
-            )
-        }
+            logger.info("Find account with email $email")
+            this.ktQuery()
+                .eq(Account::email, email)
+                .one()
+        }.flatMap { account ->
+            Mono.just(account)
+        }.switchIfEmpty(Mono.error(UsernameNotFoundException("Account with email $email not found")))
     }
 
-    private fun existAccountByUsername(username: String): Mono<Boolean> {
+    override fun findAccountByNameOrEmail(text: String): Mono<Account> {
+        return findAccountByEmail(text)
+            .onErrorResume { findAccountByName(text) }
+    }
+
+    override fun existAccountByName(username: String): Mono<Boolean> {
         return Mono.fromCallable {
-            this.baseMapper.exists(
-                Wrappers.query<Account>()
-                    .eq("username", username)
-            )
+            logger.info("Determine if name $username exists")
+            this.ktQuery()
+                .eq(Account::username, username)
+                .exists()
         }
     }
 
-    private fun verifyLimit(ip: String): Mono<Boolean> {
-        val key = Const.VERIFY_EMAIL_LIMIT + ip
-        return utils.limitOnceCheck(key, 60)
+    override fun existAccountByEmail(email: String): Mono<Boolean> {
+        return Mono.fromCallable {
+            logger.info("Determine if email $email exists")
+            this.ktQuery()
+                .eq(Account::email, email)
+                .exists()
+        }
     }
 
-    private fun verifyCode(email: String, receivedCode: String?): Mono<String> {
-        return stringRedisTemplate.opsForValue()
-            .get(Const.VERIFY_EMAIL_DATA + email)
-            .flatMap { code ->
-                when {
-                    receivedCode == null || code != receivedCode ->
-                        Mono.just("verify code is wrong.")
+    override fun resetPasswordByEmail(email: String, encodedPassword: String): Mono<String> {
+        return existAccountByEmail(email).flatMap { exists ->
+            if (!exists) {
+                return@flatMap Mono.just("account with the email does not exist.")
+            }
 
-                    else -> Mono.just("")
+            Mono.fromCallable {
+                logger.info("Reset password by email $email")
+                this.ktUpdate()
+                    .eq(Account::email, email)
+                    .set(Account::password, encodedPassword)
+                    .update()
+            }.flatMap { success ->
+                if (success) {
+                    Mono.just("")
+                } else {
+                    Mono.just("something went wrong. Please contact the administrator.")
                 }
             }
-            .switchIfEmpty(Mono.just("verify code has not been sent"))
+        }
     }
 }
\ No newline at end of file
diff --git a/backend/src/main/kotlin/com/github/sor2171/backend/service/v1/AuthorizationService.kt b/backend/src/main/kotlin/com/github/sor2171/backend/service/v1/AuthorizationService.kt
new file mode 100644
index 0000000..3559611
--- /dev/null
+++ b/backend/src/main/kotlin/com/github/sor2171/backend/service/v1/AuthorizationService.kt
@@ -0,0 +1,156 @@
+package com.github.sor2171.backend.service.v1
+
+import com.github.sor2171.backend.entity.dto.Account
+import com.github.sor2171.backend.entity.dto.EmailVerificationMsg
+import com.github.sor2171.backend.entity.vo.request.EmailRegisterVO
+import com.github.sor2171.backend.entity.vo.request.PasswordResetVO
+import com.github.sor2171.backend.entity.vo.response.ReloginVO
+import com.github.sor2171.backend.service.AccountService
+import com.github.sor2171.backend.utils.Const
+import com.github.sor2171.backend.utils.DateUtils.getCurrentDateTime
+import com.github.sor2171.backend.utils.FlowUtils
+import com.github.sor2171.backend.utils.JwtUtils
+import org.springframework.amqp.core.AmqpTemplate
+import org.springframework.data.redis.core.ReactiveStringRedisTemplate
+import org.springframework.security.crypto.password.PasswordEncoder
+import org.springframework.stereotype.Service
+import reactor.core.publisher.Mono
+import reactor.core.scheduler.Schedulers
+import java.time.Duration
+
+@Service
+class AuthorizationService(
+    private val accountService: AccountService,
+    private val utils: FlowUtils,
+    private val jwtUtils: JwtUtils,
+    private val amqpTemplate: AmqpTemplate,
+    private val stringRedisTemplate: ReactiveStringRedisTemplate,
+    private val encoder: PasswordEncoder
+) {
+    fun askEmailVerifyCode(type: String, email: String, ip: String): Mono<String> {
+        return verifyLimit(ip).flatMap { allowed ->
+            if (allowed) {
+                val code = (100000..999999).random().toString()
+                val data = EmailVerificationMsg(email, type, code)
+
+                Mono.fromRunnable<Void> {
+                    amqpTemplate.convertAndSend("mail", data)
+                }.then(
+                    stringRedisTemplate.opsForValue()
+                        .set(
+                            Const.VERIFY_EMAIL_DATA + email,
+                            code,
+                            Duration.ofMinutes(3)
+                        )
+                ).thenReturn("").subscribeOn(Schedulers.boundedElastic())
+            } else {
+                Mono.just("Request limit exceeded. Please try again later.")
+            }
+        }
+    }
+
+    fun registerEmailAccount(vo: EmailRegisterVO): Mono<String> {
+        val (email, code, username, password) = vo
+
+        return verifyCode(email, code).flatMap { error ->
+            if (!error.isBlank()) {
+                return@flatMap Mono.just(error)
+            }
+
+            accountService
+                .existAccountByEmail(email)
+                .flatMap { emailExists ->
+                    if (emailExists) {
+                        return@flatMap Mono.just("account with the same email already exists.")
+                    }
+                    accountService
+                        .existAccountByName(username)
+                        .flatMap { usernameExists ->
+                            if (usernameExists) {
+                                return@flatMap Mono.just("username already exists.")
+                            }
+
+                            val encodedPassword = encoder.encode(password)
+                            val account = Account(
+                                null,
+                                username,
+                                encodedPassword!!,
+                                email,
+                                "user",
+                                getCurrentDateTime()
+                            )
+
+                            Mono.fromCallable { accountService.save(account) }
+                                .flatMap { success ->
+                                    if (success) {
+                                        stringRedisTemplate.delete(Const.VERIFY_EMAIL_DATA + email)
+                                            .thenReturn("")
+                                    } else {
+                                        Const.INTERNAL_ERROR_MONO
+                                    }
+                                }
+                        }
+                }
+        }
+    }
+
+    fun resetEmailAccountPassword(vo: PasswordResetVO): Mono<String> {
+        val (email, code, password) = vo
+
+        return verifyCode(email, code).flatMap { error ->
+            if (!error.isBlank()) {
+                return@flatMap Mono.just(error)
+            } else {
+                val encodedPassword = encoder.encode(password)
+                    ?: return@flatMap Const.INTERNAL_ERROR_MONO
+
+                return@flatMap accountService
+                    .resetPasswordByEmail(email, encodedPassword)
+                    .flatMap { text ->
+                        if (text.isBlank()) {
+                            stringRedisTemplate
+                                .delete(Const.VERIFY_EMAIL_DATA + email)
+                                .then(Mono.just(text))
+                        } else Mono.just(text)
+                    }
+            }
+        }
+    }
+
+    fun jwtTokenRelogin(headerToken: String?): Mono<ReloginVO>? {
+        val user = jwtUtils.resolveJwt(headerToken?.substring("Bearer ".length))
+            ?.let { jwtUtils.toUser(it) }
+            ?: return null
+        val accountMono = accountService.findAccountByName(user.username)
+        val voMono = accountMono.map {
+            ReloginVO(
+                jwtUtils.createJwt(user, it.id!!, it.username),
+                jwtUtils.expiresTime().toInstant().toString()
+            )
+        }
+        return voMono
+    }
+
+    fun invalidateJwt(headerToken: String?): Boolean {
+        return jwtUtils.invalidateJwt(headerToken)
+    }
+
+    private fun verifyLimit(ip: String): Mono<Boolean> {
+        val key = Const.VERIFY_EMAIL_LIMIT + ip
+        return utils.limitOnceCheck(key, 60)
+    }
+
+    private fun verifyCode(email: String, receivedCode: String?): Mono<String> {
+        return stringRedisTemplate.opsForValue()
+            .get(Const.VERIFY_EMAIL_DATA + email)
+            .flatMap { code ->
+                when {
+                    receivedCode == null || code != receivedCode ->
+                        Mono.just("verify code is wrong.")
+
+                    else -> Mono.just("")
+                }
+            }
+            .switchIfEmpty(Mono.just("verify code has not been sent"))
+    }
+}
\ No newline at end of file
diff --git a/backend/src/main/kotlin/com/github/sor2171/backend/utils/Const.kt b/backend/src/main/kotlin/com/github/sor2171/backend/utils/Const.kt
index f559b7c..7ad435a 100644
--- a/backend/src/main/kotlin/com/github/sor2171/backend/utils/Const.kt
+++ b/backend/src/main/kotlin/com/github/sor2171/backend/utils/Const.kt
@@ -1,5 +1,7 @@
 package com.github.sor2171.backend.utils
 
+import reactor.core.publisher.Mono
+
 object Const {
     const val FLOW_LIMIT_ORDER = -101
     
@@ -9,4 +11,6 @@ object Const {
 
     const val FLOW_LIMIT_COUNTER = "flow:counter:"
     const val FLOW_LIMIT_BLOCK = "flow:block:"
+
+    val INTERNAL_ERROR_MONO = Mono.just("something went wrong. Please contact the administrator.")
 }
\ No newline at end of file
diff --git a/backend/src/main/resources/application-example.yaml b/backend/src/main/resources/application-example.yaml
index ba31b1d..fa18fbf 100644
--- a/backend/src/main/resources/application-example.yaml
+++ b/backend/src/main/resources/application-example.yaml
@@ -27,9 +27,6 @@ spring:
     jwt:
       #key: 123456
       expire-hours: 168
-      ip-ban-limit: 10
-      ip-ban-time: 3
-      ip-ban-time-min: 1
   
   datasource:
     url: jdbc:mysql://localhost:3306/kotlin_springboot
diff --git a/backend/src/test/kotlin/com/github/sor2171/backend/CareerppApplicationTests.kt b/backend/src/test/kotlin/com/github/sor2171/backend/BackendApplicationTests.kt
similarity index 100%
rename from backend/src/test/kotlin/com/github/sor2171/backend/CareerppApplicationTests.kt
rename to backend/src/test/kotlin/com/github/sor2171/backend/BackendApplicationTests.kt