release: 发布 0.4.0 版本.

由于 rootProject 已经为子模块定义 repositories, 且子模块没有定义仓库的需要, 故移除子模块中的 repositories.

.github/workflows/build-and-test.yml

@@ -0,0 +1,34 @@
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+# This workflow will build a Java project with Gradle and cache/restore any dependencies to improve the workflow execution time
+# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-gradle
+
+name: Build and test project
+
+on: [push, pull_request]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    timeout-minutes: 8
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up JDK 11
+      uses: actions/setup-java@v3
+      with:
+        java-version: '11'
+        distribution: 'adopt-hotspot'
+        cache: 'gradle'
+    - name: Grant execute permission for gradlew
+      run: chmod +x gradlew
+    - name: Build and test
+      uses: gradle/gradle-build-action@v2.2.1
+      with:
+        gradle-version: 'wrapper'
+        arguments: test

.github/workflows/gradle-wrapper-validation.yml

@@ -0,0 +1,10 @@
+name: "Validate Gradle Wrapper"
+on: [push, pull_request]
+
+jobs:
+  validation:
+    name: "Validation"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: gradle/wrapper-validation-action@v1

README.md

@@ -1,7 +1,11 @@
+<div style="text-align: center;">
+
 # ScalaBot
 
-基于 [rubenlagus/TelegramBots](https://github.com/rubenlagus/TelegramBots) 的可扩展机器人服务器。 Extensible robot server based
+基于 [rubenlagus/TelegramBots](https://github.com/rubenlagus/TelegramBots) 的可扩展机器人服务器。  
-on [rubenlagus/TelegramBots](https://github.com/rubenlagus/TelegramBots).
+Extensible robot server based on [rubenlagus/TelegramBots](https://github.com/rubenlagus/TelegramBots).
+
+</div>
 
 ## 背景
 

build.gradle.kts

@@ -1,3 +1,8 @@
+plugins {
+    kotlin("jvm") version "1.6.10" apply false
+    id("org.jetbrains.kotlinx.kover") version "0.5.1" apply false
+}
+
 allprojects {
     repositories {
         mavenCentral()
@@ -7,5 +12,5 @@ allprojects {
 
     }
     group = "net.lamgc"
-    version = "0.3.0"
+    version = "0.4.0"
 }

scalabot-app/build.gradle.kts

@@ -1,16 +1,17 @@
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
-    kotlin("jvm") version "1.6.10"
+    kotlin("jvm")
     application
-    // id("org.jetbrains.kotlin") version "1.6.10"
+    id("org.jetbrains.kotlinx.kover")
 }
 
 dependencies {
+    implementation(project(":scalabot-meta"))
     implementation(project(":scalabot-extension"))
 
     implementation("org.slf4j:slf4j-api:1.7.36")
-    implementation("io.github.microutils:kotlin-logging:2.1.21")
+    implementation("io.github.microutils:kotlin-logging:2.1.23")
     implementation("ch.qos.logback:logback-classic:1.2.11")
 
     val aetherVersion = "1.1.0"
@@ -22,7 +23,7 @@ dependencies {
     implementation("org.eclipse.aether:aether-connector-basic:$aetherVersion")
     implementation("org.apache.maven:maven-aether-provider:3.3.9")
 
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.1")
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.2")
     implementation("org.jetbrains.kotlin:kotlin-reflect:1.6.20")
     implementation("com.google.code.gson:gson:2.9.0")
 
@@ -35,7 +36,8 @@ dependencies {
     implementation("io.prometheus:simpleclient_httpserver:0.15.0")
 
     testImplementation(kotlin("test"))
-    testImplementation("io.mockk:mockk:1.12.3")
+    testImplementation("io.mockk:mockk:1.12.4")
+    testImplementation("com.github.stefanbirkner:system-lambda:1.2.1")
 }
 
 tasks.test {

scalabot-app/src/main/kotlin/AppConfigs.kt

@@ -5,17 +5,14 @@ import com.google.gson.Gson
 import com.google.gson.GsonBuilder
 import com.google.gson.reflect.TypeToken
 import mu.KotlinLogging
-import net.lamgc.scalabot.util.ArtifactSerializer
+import net.lamgc.scalabot.config.*
-import net.lamgc.scalabot.util.AuthenticationSerializer
+import net.lamgc.scalabot.config.serializer.*
-import net.lamgc.scalabot.util.MavenRepositoryConfigSerializer
-import net.lamgc.scalabot.util.ProxyTypeSerializer
 import org.eclipse.aether.artifact.Artifact
 import org.eclipse.aether.repository.Authentication
 import org.eclipse.aether.repository.Proxy
 import org.eclipse.aether.repository.RemoteRepository
 import org.eclipse.aether.repository.RepositoryPolicy
 import org.telegram.telegrambots.bots.DefaultBotOptions
-import org.telegram.telegrambots.meta.ApiConstants
 import java.io.File
 import java.net.URL
 import java.nio.charset.StandardCharsets
@@ -25,99 +22,31 @@ import kotlin.system.exitProcess
 
 private val log = KotlinLogging.logger { }
 
-/**
+internal fun ProxyType.toTelegramBotsType(): DefaultBotOptions.ProxyType {
- * 机器人帐号信息.
+    return when (this) {
- * @property name 机器人名称, 建议与实际设定的名称相同.
+        ProxyType.NO_PROXY -> DefaultBotOptions.ProxyType.NO_PROXY
- * @property token 机器人 API Token.
+        ProxyType.HTTP -> DefaultBotOptions.ProxyType.HTTP
- * @property creatorId 机器人创建者, 管理机器人需要使用该信息.
+        ProxyType.HTTPS -> DefaultBotOptions.ProxyType.HTTP
- */
+        ProxyType.SOCKS4 -> DefaultBotOptions.ProxyType.SOCKS4
-internal data class BotAccount(
+        ProxyType.SOCKS5 -> DefaultBotOptions.ProxyType.SOCKS5
-    val name: String,
-    val token: String,
-    val creatorId: Long = -1
-) {
-
-    val id
-        // 不要想着每次获取都要从 token 里取出有性能损耗.
-        // 由于 Gson 解析方式, 如果不这么做, 会出现 token 设置前 id 初始化完成, 就只有"0"了,
-        // 虽然能过单元测试, 但实际使用过程是不能正常用的.
-        get() = token.substringBefore(":").toLong()
-}
-
-/**
- * 机器人配置.
- * @property account 机器人帐号信息, 用于访问 API.
- * @property disableBuiltInAbility 是否禁用 AbilityBot 自带命令.
- * @property extensions 该机器人启用的扩展.
- * @property proxy 为该机器人单独设置的代理配置, 如无设置, 则使用 AppConfig 中的代理配置.
- */
-internal data class BotConfig(
-    val enabled: Boolean = true,
-    val account: BotAccount,
-    val disableBuiltInAbility: Boolean = false,
-    val autoUpdateCommandList: Boolean = false,
-    /*
-     * 使用构件坐标来选择机器人所使用的扩展包.
-     * 这么做的原因是我暂时没找到一个合适的方法来让开发者方便地设定自己的扩展 Id,
-     * 而构件坐标(POM Reference 或者叫 GAV 坐标)是开发者创建 Maven/Gradle 项目时一定会设置的,
-     * 所以就直接用了. :P
-     */
-    val extensions: Set<Artifact>,
-    val proxy: ProxyConfig? = ProxyConfig(),
-    val baseApiUrl: String? = ApiConstants.BASE_URL
-)
-
-/**
- * 代理配置.
- * @property type 代理类型.
- * @property host 代理服务端地址.
- * @property port 代理服务端端口.
- */
-internal data class ProxyConfig(
-    val type: DefaultBotOptions.ProxyType = DefaultBotOptions.ProxyType.NO_PROXY,
-    val host: String = "127.0.0.1",
-    val port: Int = 1080
-) {
-
-    fun toAetherProxy(): Proxy? {
-        return if (type == DefaultBotOptions.ProxyType.HTTP) {
-            Proxy(Proxy.TYPE_HTTP, host, port)
-        } else {
-            null
     }
 }
 
+internal fun ProxyConfig.toAetherProxy(): Proxy? {
+    val typeStr = when (type) {
+        ProxyType.HTTP -> Proxy.TYPE_HTTP
+        ProxyType.HTTPS -> Proxy.TYPE_HTTPS
+        else -> return null
+    }
+    return Proxy(typeStr, host, port)
 }
 
-internal data class MetricsConfig(
+internal fun MavenRepositoryConfig.toRemoteRepository(proxyConfig: ProxyConfig): RemoteRepository {
-    val enable: Boolean = false,
-    val port: Int = 9386,
-    val bindAddress: String? = "0.0.0.0"
-)
-
-/**
- * Maven 远端仓库配置.
- * @property url 仓库地址.
- * @property proxy 访问仓库所使用的代理, 仅支持 http/https 代理.
- * @property layout 仓库布局版本, Maven 2 及以上使用 `default`, Maven 1 使用 `legacy`.
- */
-internal data class MavenRepositoryConfig(
-    val id: String? = null,
-    val url: URL,
-    val proxy: Proxy? = Proxy("http", "127.0.0.1", 1080),
-    val layout: String = "default",
-    val enableReleases: Boolean = true,
-    val enableSnapshots: Boolean = true,
-    // 可能要设计个 type 来判断解析成什么类型的 Authentication.
-    val authentication: Authentication? = null
-) {
-
-    fun toRemoteRepository(proxyConfig: ProxyConfig): RemoteRepository {
     val builder =
         RemoteRepository.Builder(id ?: createDefaultRepositoryId(), checkRepositoryLayout(layout), url.toString())
     if (proxy != null) {
         builder.setProxy(proxy)
-        } else if (proxyConfig.type == DefaultBotOptions.ProxyType.HTTP) {
+    } else if (proxyConfig.type == ProxyType.HTTP) {
         builder.setProxy(proxyConfig.toAetherProxy())
     }
 
@@ -139,8 +68,7 @@ internal data class MavenRepositoryConfig(
     return builder.build()
 }
 
-    private companion object {
+private fun checkRepositoryLayout(layoutType: String): String {
-        fun checkRepositoryLayout(layoutType: String): String {
     val type = layoutType.trim().lowercase()
     if (type != "default" && type != "legacy") {
         throw IllegalArgumentException("Invalid layout type (expecting 'default' or 'legacy')")
@@ -148,31 +76,12 @@ internal data class MavenRepositoryConfig(
     return type
 }
 
-        private val repoNumber = AtomicInteger(1)
+private val repoNumberGenerator = AtomicInteger(1)
 
-        fun createDefaultRepositoryId(): String {
+private fun createDefaultRepositoryId(): String {
-            return "Repository-${repoNumber.getAndIncrement()}"
+    return "Repository-${repoNumberGenerator.getAndIncrement()}"
 }
 
-    }
-}
-
-/**
- * ScalaBot App 配置.
- *
- * App 配置信息与 BotConfig 分开, 分别存储在各自单独的文件中.
- * @property proxy Telegram API 代理配置.
- * @property metrics 运行指标数据配置. 可通过时序数据库记录运行数据.
- * @property mavenRepositories Maven 远端仓库配置.
- * @property mavenLocalRepository Maven 本地仓库路径. 相对于运行目录 (而不是 DATA_ROOT 目录)
- */
-internal data class AppConfig(
-    val proxy: ProxyConfig = ProxyConfig(),
-    val metrics: MetricsConfig = MetricsConfig(),
-    val mavenRepositories: List<MavenRepositoryConfig> = emptyList(),
-    val mavenLocalRepository: String? = null
-)
-
 /**
  * 需要用到的路径.
  *
@@ -224,7 +133,7 @@ internal enum class AppPaths(
                 GsonConst.botConfigGson.toJson(
                     setOf(
                         BotConfig(
-                            enabled = false,
+                            enabled = true,
                             proxy = ProxyConfig(),
                             account = BotAccount(
                                 "Bot Username",
@@ -319,25 +228,37 @@ private object GsonConst {
         .create()
 
     val appConfigGson: Gson = baseGson.newBuilder()
-        .registerTypeAdapter(DefaultBotOptions.ProxyType::class.java, ProxyTypeSerializer)
+        .registerTypeAdapter(ProxyType::class.java, ProxyTypeSerializer)
         .registerTypeAdapter(MavenRepositoryConfig::class.java, MavenRepositoryConfigSerializer)
         .registerTypeAdapter(Authentication::class.java, AuthenticationSerializer)
+        .registerTypeAdapter(UsernameAuthenticator::class.java, UsernameAuthenticatorSerializer)
         .create()
 
     val botConfigGson: Gson = baseGson.newBuilder()
-        .registerTypeAdapter(DefaultBotOptions.ProxyType::class.java, ProxyTypeSerializer)
+        .registerTypeAdapter(ProxyType::class.java, ProxyTypeSerializer)
+        .registerTypeAdapter(BotConfig::class.java, BotConfigSerializer)
         .registerTypeAdapter(Artifact::class.java, ArtifactSerializer)
         .create()
 }
 
 internal fun loadAppConfig(configFile: File = AppPaths.DEFAULT_CONFIG_APPLICATION.file): AppConfig {
+    try {
         configFile.bufferedReader(StandardCharsets.UTF_8).use {
             return GsonConst.appConfigGson.fromJson(it, AppConfig::class.java)!!
         }
+    } catch (e: Exception) {
+        log.error { "读取 config.json 时发生错误, 请检查配置格式是否正确." }
+        throw e
+    }
 }
 
-internal fun loadBotConfig(botConfigFile: File = AppPaths.DEFAULT_CONFIG_BOT.file): Set<BotConfig> {
+internal fun loadBotConfig(botConfigFile: File = AppPaths.DEFAULT_CONFIG_BOT.file): Set<BotConfig>? {
+    try {
         botConfigFile.bufferedReader(StandardCharsets.UTF_8).use {
             return GsonConst.botConfigGson.fromJson(it, object : TypeToken<Set<BotConfig>>() {}.type)!!
         }
+    } catch (e: Exception) {
+        log.error(e) { "读取 Bot 配置文件 (bot.json) 时发生错误, 请检查配置格式是否正确." }
+        return null
+    }
 }

scalabot-app/src/main/kotlin/AppMain.kt

@@ -3,6 +3,10 @@ package net.lamgc.scalabot
 import io.prometheus.client.exporter.HTTPServer
 import kotlinx.coroutines.runBlocking
 import mu.KotlinLogging
+import net.lamgc.scalabot.config.AppConfig
+import net.lamgc.scalabot.config.BotConfig
+import net.lamgc.scalabot.config.MetricsConfig
+import net.lamgc.scalabot.config.ProxyType
 import net.lamgc.scalabot.util.registerShutdownHook
 import org.eclipse.aether.repository.LocalRepository
 import org.telegram.telegrambots.bots.DefaultBotOptions
@@ -39,14 +43,15 @@ fun main(args: Array<String>): Unit = runBlocking {
  * 启动运行指标服务器.
  * 使用 Prometheus 指标格式.
  */
-internal fun startMetricsServer(config: MetricsConfig = Const.config.metrics) {
+internal fun startMetricsServer(config: MetricsConfig = Const.config.metrics): HTTPServer? {
     if (!config.enable) {
         log.debug { "运行指标服务器已禁用." }
-        return
+        return null
     }
 
     val builder = HTTPServer.Builder()
         .withDaemonThreads(true)
+        .withAuthenticator(config.authenticator)
         .withPort(config.port)
         .withHostname(config.bindAddress)
 
@@ -54,6 +59,7 @@ internal fun startMetricsServer(config: MetricsConfig = Const.config.metrics) {
         .build()
         .registerShutdownHook()
     log.info { "运行指标服务器已启动. (Port: ${httpServer.port})" }
+    return httpServer
 }
 
 internal class Launcher(private val config: AppConfig = Const.config) : AutoCloseable {
@@ -69,9 +75,9 @@ internal class Launcher(private val config: AppConfig = Const.config) : AutoClos
 
     private fun getMavenLocalRepository(): LocalRepository {
         val localPath =
-            if (config.mavenLocalRepository != null && config.mavenLocalRepository.isNotEmpty()) {
+            if (config.mavenLocalRepository != null && config.mavenLocalRepository!!.isNotEmpty()) {
                 val repoPath = AppPaths.DATA_ROOT.file.toPath()
-                    .resolve(config.mavenLocalRepository)
+                    .resolve(config.mavenLocalRepository!!)
                     .apply {
                         if (!exists()) {
                             if (!parent.isWritable() || !parent.isReadable()) {
@@ -80,17 +86,14 @@ internal class Launcher(private val config: AppConfig = Const.config) : AutoClos
                             if (System.getProperty("os.name").lowercase().startsWith("windows")) {
                                 createDirectories()
                             } else {
-                                createDirectories(
+                                val fileAttributes = setOf(
-                                    PosixFilePermissions.asFileAttribute(
-                                        setOf(
                                     PosixFilePermission.OWNER_READ,
                                     PosixFilePermission.OWNER_WRITE,
                                     PosixFilePermission.GROUP_READ,
                                     PosixFilePermission.GROUP_WRITE,
                                     PosixFilePermission.OTHERS_READ,
                                 )
-                                    )
+                                createDirectories(PosixFilePermissions.asFileAttribute(fileAttributes))
-                                )
                             }
                         }
                     }
@@ -108,7 +111,7 @@ internal class Launcher(private val config: AppConfig = Const.config) : AutoClos
 
     @Synchronized
     fun launch(): Boolean {
-        val botConfigs = loadBotConfig()
+        val botConfigs = loadBotConfig() ?: return false
         if (botConfigs.isEmpty()) {
             log.warn { "尚未配置任何机器人, 请先配置机器人后再启动本程序." }
             return false
@@ -134,24 +137,22 @@ internal class Launcher(private val config: AppConfig = Const.config) : AutoClos
         log.info { "正在启动机器人 `${botConfig.account.name}`..." }
         val botOption = DefaultBotOptions().apply {
             val proxyConfig =
-                if (botConfig.proxy != null && botConfig.proxy.type != DefaultBotOptions.ProxyType.NO_PROXY) {
+                if (botConfig.proxy.type != ProxyType.NO_PROXY) {
                     botConfig.proxy
-                } else if (config.proxy.type != DefaultBotOptions.ProxyType.NO_PROXY) {
+                } else if (config.proxy.type != ProxyType.NO_PROXY) {
                     config.proxy
                 } else {
                     null
                 }
             if (proxyConfig != null) {
-                proxyType = proxyConfig.type
+                proxyType = proxyConfig.type.toTelegramBotsType()
                 proxyHost = config.proxy.host
                 proxyPort = config.proxy.port
                 log.debug { "机器人 `${botConfig.account.name}` 已启用代理配置: $proxyConfig" }
             }
 
-            if (botConfig.baseApiUrl != null) {
             baseUrl = botConfig.baseApiUrl
         }
-        }
         val account = botConfig.account
 
         val remoteRepositories = config.mavenRepositories

scalabot-app/src/main/kotlin/BotDBMaker.kt

@@ -2,6 +2,7 @@ package net.lamgc.scalabot
 
 import com.google.common.io.Files
 import mu.KotlinLogging
+import net.lamgc.scalabot.config.BotAccount
 import net.lamgc.scalabot.util.toHexString
 import org.mapdb.DB
 import org.mapdb.DBException
@@ -13,10 +14,11 @@ import java.nio.charset.StandardCharsets
 import java.security.MessageDigest
 
 /**
- * 数据库适配器.
+ * 数据库适配器列表.
- *
  * 应按照新到旧的顺序放置, 新的适配器应该在上面.
+ * @suppress 由于本列表需要设置已弃用的适配器以保证旧版数据库的正常使用, 故忽略弃用警告.
  */
+@Suppress("DEPRECATION")
 private val adapters = arrayListOf<DbAdapter>(
     BotAccountIdDbAdapter, // since [v0.2.0 ~ latest)
     BotTokenDbAdapter // since [v0.0.1 ~ v0.2.0)
@@ -183,6 +185,7 @@ private object BotAccountIdDbAdapter : FileDbAdapter("BotAccountId", { botAccoun
  *
  * **已弃用**: 由于 Token 可以重新生成, 当 Token 改变后数据库文件名也会改变, 故弃用该方法.
  */
+@Deprecated(message = "由于 BotToken 可变, 故不再使用该适配器.", level = DeprecationLevel.WARNING)
 private object BotTokenDbAdapter : FileDbAdapter("BotToken_v0.1.0", { botAccount ->
     val digest: MessageDigest = MessageDigest.getInstance("SHA-256")
     val digestBytes = digest.digest(botAccount.token.toByteArray(StandardCharsets.UTF_8))

scalabot-app/src/main/kotlin/ScalaBot.kt

@@ -4,6 +4,7 @@ import io.prometheus.client.Counter
 import io.prometheus.client.Gauge
 import io.prometheus.client.Summary
 import mu.KotlinLogging
+import net.lamgc.scalabot.config.BotConfig
 import org.eclipse.aether.artifact.Artifact
 import org.telegram.abilitybots.api.bot.AbilityBot
 import org.telegram.abilitybots.api.db.DBContext

scalabot-app/src/main/kotlin/util/Serializers.kt

@@ -1,168 +0,0 @@
-package net.lamgc.scalabot.util
-
-import com.google.gson.*
-import mu.KotlinLogging
-import net.lamgc.scalabot.MavenRepositoryConfig
-import org.eclipse.aether.artifact.Artifact
-import org.eclipse.aether.artifact.DefaultArtifact
-import org.eclipse.aether.repository.Authentication
-import org.eclipse.aether.repository.Proxy
-import org.eclipse.aether.util.repository.AuthenticationBuilder
-import org.telegram.telegrambots.bots.DefaultBotOptions
-import java.lang.reflect.Type
-import java.net.URL
-
-internal object ProxyTypeSerializer : JsonDeserializer<DefaultBotOptions.ProxyType>,
-    JsonSerializer<DefaultBotOptions.ProxyType> {
-
-    override fun deserialize(
-        json: JsonElement,
-        typeOfT: Type?,
-        context: JsonDeserializationContext?
-    ): DefaultBotOptions.ProxyType {
-        if (!json.isJsonPrimitive) {
-            throw JsonParseException("Wrong configuration value type.")
-        }
-        val value = json.asString.trim()
-        try {
-            return DefaultBotOptions.ProxyType.valueOf(value.uppercase())
-        } catch (e: IllegalArgumentException) {
-            throw JsonParseException("Invalid value: $value")
-        }
-    }
-
-    override fun serialize(
-        src: DefaultBotOptions.ProxyType,
-        typeOfSrc: Type?,
-        context: JsonSerializationContext?
-    ): JsonElement {
-        return JsonPrimitive(src.toString())
-    }
-}
-
-internal object ArtifactSerializer : JsonSerializer<Artifact>, JsonDeserializer<Artifact> {
-    override fun serialize(src: Artifact, typeOfSrc: Type?, context: JsonSerializationContext?): JsonElement {
-        val gavBuilder = StringBuilder("${src.groupId}:${src.artifactId}")
-        if (!src.extension.equals("jar")) {
-            gavBuilder.append(':').append(src.extension)
-        }
-        if (src.classifier.isNotEmpty()) {
-            gavBuilder.append(':').append(src.classifier)
-        }
-        return JsonPrimitive(gavBuilder.append(':').append(src.version).toString())
-    }
-
-    override fun deserialize(json: JsonElement?, typeOfT: Type?, context: JsonDeserializationContext?): Artifact {
-        if (!json!!.isJsonPrimitive) {
-            throw JsonParseException("Wrong configuration value type.")
-        }
-        return DefaultArtifact(json.asString.trim())
-    }
-
-}
-
-internal object AuthenticationSerializer : JsonDeserializer<Authentication> {
-
-    private val log = KotlinLogging.logger { }
-
-    override fun deserialize(json: JsonElement, typeOfT: Type, context: JsonDeserializationContext): Authentication? {
-        val builder = AuthenticationBuilder()
-        when (json) {
-            is JsonArray -> {
-                for (element in json) {
-                    if (element is JsonArray) {
-                        builder.addCustom(jsonArrayToAuthentication(element))
-                    } else if (element is JsonObject) {
-                        jsonToAuthentication(element, builder)
-                    }
-                }
-            }
-            is JsonObject -> {
-                jsonToAuthentication(json, builder)
-            }
-            else -> {
-                throw JsonParseException("Unsupported JSON data type: ${json::class.java}")
-            }
-        }
-        return builder.build()
-    }
-
-    private fun jsonArrayToAuthentication(jsonArray: JsonArray): Authentication {
-        val builder = AuthenticationBuilder()
-        for (element in jsonArray) {
-            when (element) {
-                is JsonObject -> jsonToAuthentication(element, builder)
-                is JsonArray -> builder.addCustom(jsonArrayToAuthentication(element))
-                else -> log.warn { "不支持的 Json 类型: ${element::class.java}" }
-            }
-        }
-        return builder.build()
-    }
-
-    private const val KEY_TYPE = "type"
-
-    private fun jsonToAuthentication(json: JsonObject, builder: AuthenticationBuilder) {
-        if (!json.has(KEY_TYPE)) {
-            log.warn { "缺少 type 字段, 无法判断 Maven 认证信息类型." }
-            return
-        } else if (!json.get(KEY_TYPE).isJsonPrimitive) {
-            log.warn { "type 字段类型错误(应为 Primitive 类型), 无法判断 Maven 认证信息类型.(实际类型: `${json::class.java}`)" }
-            return
-        }
-
-        when (json.get(KEY_TYPE).asString.trim().lowercase()) {
-            "string" -> {
-                builder.addString(checkJsonKey(json, "key"), checkJsonKey(json, "value"))
-            }
-            "secret" -> {
-                builder.addSecret(checkJsonKey(json, "key"), checkJsonKey(json, "value"))
-            }
-        }
-
-    }
-}
-
-private fun checkJsonKey(json: JsonObject, key: String): String {
-    if (!json.has(key)) {
-        throw JsonParseException("Required field does not exist: $key")
-    } else if (!json.get(key).isJsonPrimitive) {
-        throw JsonParseException("Wrong field `$key` type: ${json.get(key)::class.java}")
-    }
-    return json.get(key).asString
-}
-
-internal object MavenRepositoryConfigSerializer
-    : JsonDeserializer<MavenRepositoryConfig> {
-
-    override fun deserialize(
-        json: JsonElement,
-        typeOfT: Type,
-        context: JsonDeserializationContext
-    ): MavenRepositoryConfig {
-        return when (json) {
-            is JsonObject -> {
-                MavenRepositoryConfig(
-                    id = json.get("id")?.asString,
-                    url = URL(checkJsonKey(json, "url")),
-                    proxy = if (json.has("proxy") && json.get("proxy").isJsonObject)
-                        context.deserialize<Proxy>(
-                            json.getAsJsonObject("proxy"), Proxy::class.java
-                        ) else null,
-                    layout = json.get("layout").asString ?: "default",
-                    enableReleases = json.get("enableReleases")?.asBoolean ?: true,
-                    enableSnapshots = json.get("enableSnapshots")?.asBoolean ?: true,
-                    authentication = if (json.has("authentication") && json.get("authentication").isJsonObject)
-                        context.deserialize<Authentication>(
-                            json.getAsJsonObject("authentication"), Authentication::class.java
-                        ) else null
-                )
-            }
-            is JsonPrimitive -> {
-                MavenRepositoryConfig(url = URL(json.asString))
-            }
-            else -> {
-                throw JsonParseException("Unsupported Maven warehouse configuration type.")
-            }
-        }
-    }
-}

scalabot-app/src/main/kotlin/util/Utils.kt

@@ -10,16 +10,14 @@ import java.io.FilenameFilter
 
 internal fun ByteArray.toHexString(): String = joinToString("") { it.toString(16) }
 
-internal fun Artifact.equalsArtifact(that: Artifact): Boolean =
+internal fun Artifact.equalsArtifact(that: Artifact, checkProperties: Boolean = false): Boolean =
     this.groupId.equals(that.groupId) &&
             this.artifactId.equals(that.artifactId) &&
             this.version.equals(that.version) &&
-            this.baseVersion.equals(that.baseVersion) &&
-            this.isSnapshot == that.isSnapshot &&
             this.classifier.equals(that.classifier) &&
             this.extension.equals(that.extension) &&
             (if (this.file == null) that.file == null else this.file.equals(that.file)) &&
-            this.properties.equals(that.properties)
+            (!checkProperties || this.properties.equals(that.properties))
 
 internal fun File.deepListFiles(
     addSelf: Boolean = false,
@@ -27,13 +25,13 @@ internal fun File.deepListFiles(
     fileFilter: FileFilter? = null,
     filenameFilter: FilenameFilter? = null
 ): Array<File>? {
-    val files = if (fileFilter != null) {
+    val files = (if (fileFilter != null) {
         this.listFiles(fileFilter)
     } else if (filenameFilter != null) {
         this.listFiles(filenameFilter)
     } else {
         this.listFiles()
-    } ?: return null
+    }) ?: return null
 
     val result = if (addSelf) mutableSetOf(this) else mutableSetOf()
     for (file in files) {
@@ -73,11 +71,10 @@ fun <T : AutoCloseable> T.registerShutdownHook(): T {
     return this
 }
 
-private val log = KotlinLogging.logger { }
-
 private object UtilsInternal {
 
     val autoCloseableSet = mutableSetOf<AutoCloseable>()
+    private val log = KotlinLogging.logger { }
 
     init {
         Runtime.getRuntime().addShutdownHook(Thread(this::doCloseResources, "Shutdown-AutoCloseable"))

scalabot-app/src/test/kotlin/AppConfigTest.kt

@@ -1,62 +1,41 @@
 package net.lamgc.scalabot
 
-import com.google.gson.Gson
+import com.github.stefanbirkner.systemlambda.SystemLambda
 import io.mockk.every
 import io.mockk.mockk
 import io.mockk.verify
 import org.junit.jupiter.api.io.TempDir
 import java.io.File
-import java.util.*
-import kotlin.math.abs
 import kotlin.test.Test
 import kotlin.test.assertEquals
 import kotlin.test.assertNotNull
 import kotlin.test.assertTrue
 
-internal class BotAccountTest {
-
-    @Test
-    fun deserializerTest() {
-        val accountId = abs(Random().nextInt()).toLong()
-        val creatorId = abs(Random().nextInt()).toLong()
-        val botAccount = Gson().fromJson(
-            """
-            {
-                "name": "TestBot",
-                "token": "${accountId}:AAHErDroUTznQsOd_oZPJ6cQEj4Z5mGHO10",
-                "creatorId": $creatorId
-            }
-        """.trimIndent(), BotAccount::class.java
-        )
-        assertEquals("TestBot", botAccount.name)
-        assertEquals("${accountId}:AAHErDroUTznQsOd_oZPJ6cQEj4Z5mGHO10", botAccount.token)
-        assertEquals(accountId, botAccount.id, "Botaccount ID does not match expectations.")
-        assertEquals(creatorId, botAccount.creatorId)
-    }
-
-}
-
 internal class AppPathsTest {
 
     @Test
     fun `Data root path priority`() {
-        System.setProperty("bot.path.data", "A")
+        System.setProperty("bot.path.data", "fromSystemProperties")
 
-        assertEquals("A", AppPaths.DATA_ROOT.file.path, "`DATA_ROOT`没有优先返回 Property 的值.")
+        assertEquals("fromSystemProperties", AppPaths.DATA_ROOT.file.path, "`DATA_ROOT`没有优先返回 Property 的值.")
         System.getProperties().remove("bot.path.data")
-        if (System.getenv("BOT_DATA_PATH") != null) {
+
+        val expectEnvValue = "fromEnvironmentVariable"
+        SystemLambda.withEnvironmentVariable("BOT_DATA_PATH", expectEnvValue).execute {
             assertEquals(
-                System.getenv("BOT_DATA_PATH"), AppPaths.DATA_ROOT.file.path,
+                expectEnvValue, AppPaths.DATA_ROOT.file.path,
-                "`DATA_ROOT`没有返回 env 的值."
+                "`DATA_ROOT`没有优先返回 env 的值."
             )
-        } else {
+        }
+
+        SystemLambda.withEnvironmentVariable("BOT_DATA_PATH", null).execute {
             assertEquals(
                 System.getProperty("user.dir"), AppPaths.DATA_ROOT.file.path,
-                "`DATA_ROOT`没有返回 `user.dir` 的值."
+                "`DATA_ROOT`没有返回 System.properties `user.dir` 的值."
             )
             val userDir = System.getProperty("user.dir")
             System.getProperties().remove("user.dir")
-            assertEquals(".", AppPaths.DATA_ROOT.file.path, "`DATA_ROOT`没有返回 `.`(当前目录).")
+            assertEquals(".", AppPaths.DATA_ROOT.file.path, "`DATA_ROOT`没有返回替补值 `.`(当前目录).")
             System.setProperty("user.dir", userDir)
             assertNotNull(System.getProperty("user.dir"), "环境还原失败!")
         }
@@ -115,6 +94,25 @@ internal class AppPathsTest {
             verify(exactly = 0) { mkdirs() }
         }
 
+        mockk<File> {
+            every { exists() }.returns(false)
+            every { canonicalPath }.answers { alreadyExistsFile.canonicalPath }
+            every { createNewFile() }.answers { false }
+            every { mkdirs() }.answers { false }
+            every { mkdir() }.answers { false }
+        }.apply {
+            mockk<AppPaths> {
+                every { file }.returns(this@apply)
+                every { path }.returns(this@apply.canonicalPath)
+                every { initial() }.answers {
+                    defaultInitializerMethod.invoke(null, this@mockk)
+                }
+            }.initial()
+            verify(exactly = 1) { createNewFile() }
+            verify(exactly = 0) { mkdir() }
+            verify(exactly = 0) { mkdirs() }
+        }
+
         defaultInitializerMethod.isAccessible = false
     }
 

scalabot-app/src/test/kotlin/util/ArtifactSerializerTest.kt

@@ -1,35 +0,0 @@
-@file:Suppress("PackageDirectoryMismatch")
-
-package net.lamgc.scalabot.util
-
-import com.google.gson.JsonObject
-import com.google.gson.JsonParseException
-import com.google.gson.JsonPrimitive
-import org.eclipse.aether.artifact.DefaultArtifact
-import org.junit.jupiter.api.Test
-import kotlin.test.assertEquals
-import kotlin.test.assertFailsWith
-
-internal class ArtifactSerializerTest {
-
-    @Test
-    fun badJsonType() {
-        assertFailsWith<JsonParseException> { ArtifactSerializer.deserialize(JsonObject(), null, null) }
-    }
-
-    @Test
-    fun serialize() {
-        val gav = "org.example.software:test:1.0.0-SNAPSHOT"
-        val expectArtifact = DefaultArtifact(gav)
-        val actualArtifact = DefaultArtifact(ArtifactSerializer.serialize(expectArtifact, null, null).asString)
-        assertEquals(expectArtifact, actualArtifact)
-    }
-
-    @Test
-    fun deserialize() {
-        val gav = "org.example.software:test:1.0.0-SNAPSHOT"
-        val expectArtifact = DefaultArtifact(gav)
-        val actualArtifact = ArtifactSerializer.deserialize(JsonPrimitive(gav), null, null)
-        assertEquals(expectArtifact, actualArtifact)
-    }
-}

scalabot-app/src/test/kotlin/util/StdOutFilterTest.kt

@@ -0,0 +1,40 @@
+package net.lamgc.scalabot.util
+
+import ch.qos.logback.classic.Level
+import ch.qos.logback.classic.spi.LoggingEvent
+import ch.qos.logback.core.spi.FilterReply
+import io.mockk.every
+import io.mockk.mockk
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+class StdOutFilterTest {
+
+    @Test
+    fun filterTest() {
+        val filter = StdOutFilter()
+
+        for (level in listOf(
+            Level.ALL,
+            Level.TRACE,
+            Level.DEBUG,
+            Level.INFO
+        )) {
+            val loggingEvent = mockk<LoggingEvent> {
+                every { this@mockk.level }.returns(level)
+            }
+            assertEquals(FilterReply.ACCEPT, filter.decide(loggingEvent))
+        }
+
+        for (level in listOf(
+            Level.WARN,
+            Level.ERROR
+        )) {
+            val loggingEvent = mockk<LoggingEvent> {
+                every { this@mockk.level }.returns(level)
+            }
+            assertEquals(FilterReply.DENY, filter.decide(loggingEvent))
+        }
+    }
+
+}

scalabot-app/src/test/kotlin/util/UtilsKtTest.kt

@@ -1,9 +1,6 @@
 package net.lamgc.scalabot.util
 
-import io.mockk.every
+import io.mockk.*
-import io.mockk.justRun
-import io.mockk.mockk
-import io.mockk.verify
 import net.lamgc.scalabot.ExtensionPackageFinder
 import net.lamgc.scalabot.FinderPriority
 import net.lamgc.scalabot.FinderRules
@@ -13,6 +10,8 @@ import org.eclipse.aether.artifact.DefaultArtifact
 import org.junit.jupiter.api.assertDoesNotThrow
 import org.junit.jupiter.api.assertThrows
 import java.io.File
+import java.io.FileFilter
+import java.io.FilenameFilter
 import java.lang.reflect.InvocationTargetException
 import java.nio.charset.StandardCharsets
 import kotlin.test.*
@@ -116,4 +115,203 @@ internal class UtilsKtTest {
 
         resourceSet.clear()
     }
+
+    @Test
+    fun `Artifact equals`() {
+        val artifact = DefaultArtifact("org.example:artifact:jar:0.0.1")
+        assertFalse(artifact.isSnapshot, "Release artifact is snapshot.")
+        assertTrue(artifact.equalsArtifact(artifact))
+        assertTrue(artifact.setFile(File(".")).equalsArtifact(artifact.setFile(File("."))))
+        val snapshotArtifact = DefaultArtifact("org.example:artifact:jar:0.0.1-SNAPSHOT")
+        val snapshotTimestampArtifact = DefaultArtifact("org.example:artifact:jar:0.0.1-20220605.130047-1")
+        assertTrue(snapshotArtifact.isSnapshot, "SnapshotArtifact not snapshot.")
+        assertNotEquals(artifact.isSnapshot, snapshotArtifact.isSnapshot)
+        assertNotEquals(artifact.baseVersion, snapshotArtifact.baseVersion)
+        assertFalse(artifact.equalsArtifact(snapshotArtifact))
+        assertFalse(snapshotArtifact.equalsArtifact(snapshotTimestampArtifact))
+        assertFalse(artifact.equalsArtifact(DefaultArtifact("org.example:artifact:0.0.2")))
+        assertFalse(artifact.equalsArtifact(DefaultArtifact("org.example.test:artifact:0.0.1")))
+        assertFalse(artifact.equalsArtifact(DefaultArtifact("org.example:artifact-a:0.0.1")))
+        assertFalse(artifact.equalsArtifact(DefaultArtifact("org.example:artifact:war:0.0.1")))
+        assertFalse(artifact.equalsArtifact(DefaultArtifact("org.example:artifact:war:javadoc:0.0.1")))
+        assertFalse(artifact.equalsArtifact(DefaultArtifact("org.example:artifact:rar:source:0.0.1")))
+
+        assertFalse(
+            artifact.equalsArtifact(
+                DefaultArtifact("org.example:artifact:jar:0.0.1")
+                    .setFile(File("./xxx01.jar"))
+            )
+        )
+
+        val artifactWithExtension = DefaultArtifact("org.example:artifact:jar:0.0.1")
+        assertFalse(artifactWithExtension.equalsArtifact(DefaultArtifact("org.example:artifact:war:0.0.1")))
+
+        assertTrue(artifact.equalsArtifact(artifact.setProperties(mapOf(Pair("a", "b"))), checkProperties = false))
+        assertFalse(artifact.equalsArtifact(artifact.setProperties(mapOf(Pair("a", "b"))), checkProperties = true))
+        assertTrue(
+            artifact.setProperties(mapOf(Pair("a", "b")))
+                .equalsArtifact(artifact.setProperties(mapOf(Pair("a", "b"))), checkProperties = true)
+        )
+    }
+
+    @Test
+    fun `deepListFile Test - Basics`() {
+        assertNull(mockk<File> {
+            every { listFiles() } returns null
+        }.deepListFiles())
+        assertNull(mockk<File> {
+            every { listFiles(ofType(FileFilter::class)) } returns null
+        }.deepListFiles(fileFilter = { true }))
+        assertNull(mockk<File> {
+            every { listFiles(ofType(FilenameFilter::class)) } returns null
+        }.deepListFiles(filenameFilter = { _, _ -> true }))
+
+
+        val listFileMock = mockk<File> {
+            every { listFiles() } returns arrayOf()
+            every { listFiles(ofType(FileFilter::class)) } returns arrayOf()
+            every { listFiles(ofType(FilenameFilter::class)) } returns arrayOf()
+        }
+        assertNotNull(listFileMock.deepListFiles())
+        verify(exactly = 1) { listFileMock.listFiles() }
+        verify(exactly = 0) { listFileMock.listFiles(ofType(FilenameFilter::class)) }
+        verify(exactly = 0) { listFileMock.listFiles(ofType(FileFilter::class)) }
+        clearMocks(listFileMock, answers = false)
+
+        assertNotNull(listFileMock.deepListFiles(filenameFilter = { _, _ -> true }))
+        verify(exactly = 0) { listFileMock.listFiles() }
+        verify(exactly = 1) { listFileMock.listFiles(ofType(FilenameFilter::class)) }
+        verify(exactly = 0) { listFileMock.listFiles(ofType(FileFilter::class)) }
+        clearMocks(listFileMock, answers = false)
+
+        assertNotNull(listFileMock.deepListFiles(fileFilter = { true }))
+        verify(exactly = 0) { listFileMock.listFiles() }
+        verify(exactly = 0) { listFileMock.listFiles(ofType(FilenameFilter::class)) }
+        verify(exactly = 1) { listFileMock.listFiles(ofType(FileFilter::class)) }
+        clearMocks(listFileMock, answers = false)
+
+        assertNotNull(listFileMock.deepListFiles(fileFilter = { true }, filenameFilter = { _, _ -> true }))
+        verify(exactly = 0) { listFileMock.listFiles() }
+        verify(exactly = 1) { listFileMock.listFiles(ofType(FileFilter::class)) }
+        verify(exactly = 0) { listFileMock.listFiles(ofType(FilenameFilter::class)) }
+        clearMocks(listFileMock, answers = false)
+
+        val addSelfResult = listFileMock.deepListFiles(addSelf = true)
+        assertNotNull(addSelfResult)
+        assertEquals(1, addSelfResult.size)
+        assertTrue(addSelfResult.contains(listFileMock))
+        verify(exactly = 1) { listFileMock.listFiles() }
+        verify(exactly = 0) { listFileMock.listFiles(ofType(FilenameFilter::class)) }
+        verify(exactly = 0) { listFileMock.listFiles(ofType(FileFilter::class)) }
+
+        val addSelfWithoutDirMock = createDirectory(
+            "root", arrayOf(
+                createDirectory(
+                    "dir01", arrayOf(
+                        createFile("test01")
+                    )
+                ),
+                createDirectory(
+                    "dir02", arrayOf(
+                        createFile("test02")
+                    )
+                ),
+                createDirectory(
+                    "dir03", arrayOf(
+                        createFile("test03")
+                    )
+                )
+            )
+        )
+        val addSelfWithoutDirResult = addSelfWithoutDirMock.deepListFiles(addSelf = true, onlyFile = true)
+        assertNotNull(addSelfWithoutDirResult)
+        assertFalse(addSelfWithoutDirResult.isEmpty())
+        assertEquals(1, addSelfWithoutDirResult.filter { it.isDirectory }.size)
+        assertEquals(addSelfWithoutDirMock, addSelfWithoutDirResult.find { it.isDirectory })
+    }
+
+    @Test
+    fun `deepListFile Test - Complex`() {
+        val mock = createDirectory(
+            "root", arrayOf(
+                createFile("test"),
+                createFile("test02"),
+                createDirectory("dir01"),
+                createDirectory("dir02")
+            )
+        )
+
+        val withDirResult = mock.deepListFiles(onlyFile = false)
+        assertNotNull(withDirResult)
+        assertEquals(4, withDirResult.size)
+        assertEquals(2, withDirResult.filter { it.isFile }.size)
+        assertEquals(2, withDirResult.filter { it.isDirectory }.size)
+
+        val withoutDirResult = mock.deepListFiles(onlyFile = true)
+        assertNotNull(withoutDirResult)
+        assertEquals(2, withoutDirResult.filter { it.isFile }.size)
+        assertNull(withoutDirResult.find { it.isDirectory })
+
+        val subDirFailedMock = createDirectory(
+            "root", arrayOf(
+                mockk(name = "dir::cannotReadableDirectory") {
+                    every { isFile } returns false
+                    every { isDirectory } returns true
+                    every { name } returns "cannotReadableDirectory"
+                    every { listFiles() } returns null
+                    every { listFiles(ofType(FileFilter::class)) } returns null
+                    every { listFiles(ofType(FilenameFilter::class)) } returns null
+                },
+                createDirectory(
+                    "dir2", arrayOf(
+                        createFile("test")
+                    )
+                )
+            )
+        )
+
+        val subDirFailedWithDirResult = subDirFailedMock.deepListFiles(onlyFile = false)
+        assertNotNull(subDirFailedWithDirResult)
+        assertEquals(3, subDirFailedWithDirResult.size)
+        assertNotNull(subDirFailedWithDirResult.find { it.isDirectory && it.name == "cannotReadableDirectory" })
+        assertNotNull(subDirFailedWithDirResult.find { it.isDirectory && it.name == "dir2" })
+        assertNotNull(subDirFailedWithDirResult.find { it.isFile && it.name == "test" })
+
+        val subDirFailedWithoutDirResult = subDirFailedMock.deepListFiles(onlyFile = true)
+        assertNotNull(subDirFailedWithoutDirResult)
+        assertEquals(1, subDirFailedWithoutDirResult.size)
+        assertEquals(0, subDirFailedWithoutDirResult.filter { it.isDirectory }.size)
+        assertNotNull(subDirFailedWithoutDirResult.find { it.isFile && it.name == "test" })
+        assertNull(subDirFailedWithoutDirResult.find { it.isDirectory && it.name == "cannotReadableDirectory" })
+        assertNull(subDirFailedWithoutDirResult.find { it.isDirectory && it.name == "dir2" })
+    }
+
+    private fun createFile(path: String): File {
+        val file = File(path)
+        return mockk(name = "file::$path") {
+            every { isFile } returns true
+            every { isDirectory } returns false
+            every { name } returns file.name
+            every { listFiles() } returns null
+            every { listFiles(ofType(FileFilter::class)) } returns null
+            every { listFiles(ofType(FilenameFilter::class)) } returns null
+        }
+    }
+
+    private fun createDirectory(path: String, subFiles: Array<File> = arrayOf()): File {
+        val file = File(path)
+        return mockk(name = "dir::$path") {
+            every { isFile } returns false
+            every { isDirectory } returns true
+            every { name } returns file.name
+            every { listFiles() } returns subFiles
+            every { listFiles(ofType(FileFilter::class)) } answers {
+                subFiles.filter { (firstArg() as FileFilter).accept(it) }.toTypedArray()
+            }
+            every { listFiles(ofType(FilenameFilter::class)) } answers {
+                subFiles.filter { (firstArg() as FilenameFilter).accept(file.parentFile, file.name) }.toTypedArray()
+            }
+        }
+    }
+
 }

scalabot-ext-example/build.gradle.kts

@@ -2,10 +2,6 @@ plugins {
     java
 }
 
-repositories {
-    mavenCentral()
-}
-
 dependencies {
     compileOnly(project(":scalabot-extension"))
 
@@ -16,3 +12,9 @@ dependencies {
 tasks.getByName<Test>("test") {
     useJUnitPlatform()
 }
+
+tasks.withType<Javadoc> {
+    options {
+        encoding = "UTF-8"
+    }
+}

scalabot-extension/build.gradle.kts

@@ -1,7 +1,5 @@
-import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
-
 plugins {
-    kotlin("jvm") version "1.6.10"
+    kotlin("jvm")
     java
     `maven-publish`
     signing
@@ -12,7 +10,7 @@ dependencies {
     api("org.slf4j:slf4j-api:1.7.36")
 
     testImplementation("org.junit.jupiter:junit-jupiter-api:5.8.2")
-    testImplementation("org.mockito:mockito-core:4.4.0")
+    testImplementation("org.mockito:mockito-core:4.6.1")
     testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine")
 }
 
@@ -33,21 +31,17 @@ tasks.test {
     useJUnitPlatform()
 }
 
-tasks.withType<KotlinCompile> {
-    kotlinOptions.jvmTarget = "11"
-}
-
 publishing {
     repositories {
         if (project.version.toString().endsWith("-SNAPSHOT")) {
-            maven("https://repo.lamgc.moe/repository/maven-snapshots/") {
+            maven("https://nexus.kuku.me/repository/maven-snapshots/") {
                 credentials {
                     username = project.properties["repo.credentials.private.username"].toString()
                     password = project.properties["repo.credentials.private.password"].toString()
                 }
             }
         } else {
-            maven("https://repo.lamgc.moe/repository/maven-releases/") {
+            maven("https://nexus.kuku.me/repository/maven-releases/") {
                 credentials {
                     username = project.properties["repo.credentials.private.username"].toString()
                     password = project.properties["repo.credentials.private.password"].toString()

scalabot-meta/build.gradle.kts

@@ -0,0 +1,108 @@
+plugins {
+    kotlin("jvm")
+    id("org.jetbrains.kotlinx.kover")
+    id("org.jetbrains.dokka") version "1.7.0"
+    `maven-publish`
+    signing
+}
+
+dependencies {
+    val aetherVersion = "1.1.0"
+    implementation("org.eclipse.aether:aether-api:$aetherVersion")
+    implementation("org.eclipse.aether:aether-util:$aetherVersion")
+
+    implementation("org.telegram:telegrambots-meta:6.0.1")
+
+    implementation("com.google.code.gson:gson:2.9.0")
+
+    testImplementation(kotlin("test"))
+    testImplementation("io.mockk:mockk:1.12.4")
+    testImplementation("org.junit.jupiter:junit-jupiter-api:5.8.2")
+    testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.8.2")
+
+    dokkaHtmlPlugin("org.jetbrains.dokka:javadoc-plugin:1.7.0")
+}
+
+tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile>().configureEach {
+    kotlinOptions {
+        jvmTarget = "11"
+    }
+}
+
+java {
+    withJavadocJar()
+    withSourcesJar()
+    sourceCompatibility = JavaVersion.VERSION_11
+    targetCompatibility = JavaVersion.VERSION_11
+}
+
+tasks.getByName<Test>("test") {
+    useJUnitPlatform()
+}
+
+val javadocJar = tasks.named<Jar>("javadocJar") {
+    from(tasks.named("dokkaJavadoc"))
+}
+
+publishing {
+    repositories {
+        if (project.version.toString().endsWith("-SNAPSHOT", ignoreCase = true)) {
+            maven("https://nexus.kuku.me/repository/maven-snapshots/") {
+                credentials {
+                    username = project.properties["repo.credentials.private.username"].toString()
+                    password = project.properties["repo.credentials.private.password"].toString()
+                }
+            }
+        } else {
+            maven("https://nexus.kuku.me/repository/maven-releases/") {
+                credentials {
+                    username = project.properties["repo.credentials.private.username"].toString()
+                    password = project.properties["repo.credentials.private.password"].toString()
+                }
+            }
+        }
+    }
+
+    publications {
+        create<MavenPublication>("maven") {
+            from(components["kotlin"])
+            artifact(javadocJar)
+            artifact(tasks.named("sourcesJar"))
+            pom {
+                name.set("ScalaBot-meta")
+                description.set(
+                    "Shared components used by scalabot (such as configuration classes)"
+                )
+                url.set("https://github.com/LamGC/ScalaBot")
+                licenses {
+                    license {
+                        name.set("The MIT License")
+                        url.set("https://www.opensource.org/licenses/mit-license.php")
+                    }
+                }
+                developers {
+                    developer {
+                        id.set("LamGC")
+                        name.set("LamGC")
+                        email.set("lam827@lamgc.net")
+                        url.set("https://github.com/LamGC")
+                    }
+                }
+                scm {
+                    connection.set("scm:git:https://github.com/LamGC/ScalaBot.git")
+                    developerConnection.set("scm:git:https://github.com/LamGC/ScalaBot.git")
+                    url.set("https://github.com/LamGC/ScalaBot")
+                }
+                issueManagement {
+                    url.set("https://github.com/LamGC/ScalaBot/issues")
+                    system.set("Github Issues")
+                }
+            }
+        }
+    }
+}
+
+signing {
+    useGpgCmd()
+    sign(publishing.publications["maven"])
+}

scalabot-meta/src/main/kotlin/Configs.kt

@@ -0,0 +1,131 @@
+package net.lamgc.scalabot.config
+
+import org.eclipse.aether.artifact.Artifact
+import org.eclipse.aether.repository.Authentication
+import org.eclipse.aether.repository.Proxy
+import org.telegram.telegrambots.meta.ApiConstants
+import java.net.URL
+
+/**
+ * 机器人帐号信息.
+ * @property name 机器人名称, 建议与实际设定的名称相同.
+ * @property token 机器人 API Token.
+ * @property creatorId 机器人创建者, 管理机器人需要使用该信息.
+ * @property id 机器人账号 ID.
+ */
+data class BotAccount(
+    val name: String,
+    val token: String,
+    val creatorId: Long
+) {
+
+    val id
+        // 不要想着每次获取都要从 token 里取出有性能损耗.
+        // 由于 Gson 解析方式, 如果不这么做, 会出现 token 设置前 id 初始化完成, 就只有"0"了,
+        // 虽然能过单元测试, 但实际使用过程是不能正常用的.
+        get() = token.substringBefore(":").toLong()
+}
+
+/**
+ * 机器人配置.
+ * @property enabled 是否启用机器人.
+ * @property account 机器人帐号信息, 用于访问 API.
+ * @property disableBuiltInAbility 是否禁用 AbilityBot 自带命令.
+ * @property autoUpdateCommandList 是否自动更新机器人在 Telegram 的命令列表.
+ * @property extensions 该机器人启用的扩展.
+ * @property proxy 为该机器人单独设置的代理配置, 如无设置, 则使用 AppConfig 中的代理配置.
+ * @property baseApiUrl 机器人所使用的 API 地址, 适用于自建 Telegram Bot API 端点.
+ */
+data class BotConfig(
+    val enabled: Boolean = false,
+    val account: BotAccount,
+    val disableBuiltInAbility: Boolean = false,
+    val autoUpdateCommandList: Boolean = false,
+    /*
+     * 使用构件坐标来选择机器人所使用的扩展包.
+     * 这么做的原因是我暂时没找到一个合适的方法来让开发者方便地设定自己的扩展 Id,
+     * 而构件坐标(POM Reference 或者叫 GAV 坐标)是开发者创建 Maven/Gradle 项目时一定会设置的,
+     * 所以就直接用了. :P
+     */
+    val extensions: Set<Artifact> = emptySet(),
+    val proxy: ProxyConfig = ProxyConfig(type = ProxyType.NO_PROXY),
+    val baseApiUrl: String = ApiConstants.BASE_URL
+)
+
+/**
+ * 代理类型.
+ */
+enum class ProxyType {
+    NO_PROXY,
+    HTTP,
+    HTTPS,
+    SOCKS4,
+    SOCKS5
+}
+
+/**
+ * 代理配置.
+ * @property type 代理类型.
+ * @property host 代理服务端地址.
+ * @property port 代理服务端端口.
+ */
+data class ProxyConfig(
+    val type: ProxyType = ProxyType.NO_PROXY,
+    val host: String = "127.0.0.1",
+    val port: Int = 1080
+)
+
+/**
+ * ScalaBot 的运行指标公开配置.
+ *
+ * ScalaBot 内置了用于公开运行指标的服务端,
+ * 该指标遵循 Prometheus 的标准, 可以通过 Prometheus 的工具来查看.
+ *
+ * @property enable 是否启用运行指标服务端.
+ * @property port 运行指标服务端的端口.
+ * @property bindAddress 运行指标服务端的绑定地址, 绑定后只有该地址可以访问.
+ * @property authenticator 运行指标服务端的 HTTP 认证配置.
+ */
+data class MetricsConfig(
+    val enable: Boolean = false,
+    val port: Int = 9386,
+    val bindAddress: String? = "0.0.0.0",
+    val authenticator: UsernameAuthenticator? = null
+)
+
+/**
+ * Maven 远端仓库配置.
+ * @property id 远端仓库 ID, 如果该属性未配置 (null), 那么运行时将会自动分配一个 Id.
+ * @property url 仓库地址.
+ * @property proxy 访问仓库所使用的代理, 仅支持 http/https 代理.
+ * @property layout 仓库布局版本, Maven 2 及以上使用 `default`, Maven 1 使用 `legacy`.
+ * @property enableReleases 是否在该远端仓库获取发布版本.
+ * @property enableSnapshots 是否在该远端仓库获取快照版本.
+ * @property authentication 访问该远端仓库所使用的认证配置.
+ */
+data class MavenRepositoryConfig(
+    val id: String? = null,
+    val url: URL,
+    val proxy: Proxy? = null,
+    val layout: String = "default",
+    val enableReleases: Boolean = true,
+    val enableSnapshots: Boolean = true,
+    // 可能要设计个 type 来判断解析成什么类型的 Authentication.
+    val authentication: Authentication? = null
+)
+
+/**
+ * ScalaBot App 配置.
+ *
+ * App 配置信息与 BotConfig 分开, 分别存储在各自单独的文件中.
+ * @property proxy Telegram API 代理配置.
+ * @property metrics 运行指标数据配置. 可通过时序数据库记录运行数据.
+ * @property mavenRepositories Maven 远端仓库配置.
+ * @property mavenLocalRepository Maven 本地仓库路径. 相对于运行目录 (而不是 DATA_ROOT 目录)
+ */
+data class AppConfig(
+    val proxy: ProxyConfig = ProxyConfig(),
+    val metrics: MetricsConfig = MetricsConfig(),
+    val mavenRepositories: List<MavenRepositoryConfig> = emptyList(),
+    val mavenLocalRepository: String? = null
+)

scalabot-meta/src/main/kotlin/UsernameAuthenticator.kt

@@ -0,0 +1,26 @@
+package net.lamgc.scalabot.config
+
+import com.google.gson.JsonObject
+import com.sun.net.httpserver.BasicAuthenticator
+
+class UsernameAuthenticator(private val username: String, private val password: String) :
+    BasicAuthenticator("metrics") {
+    override fun checkCredentials(username: String?, password: String?): Boolean =
+        this.username == username && this.password == password
+
+    fun toJsonObject(): JsonObject = JsonObject().apply {
+        addProperty("username", username)
+        addProperty("password", password)
+    }
+
+    override fun equals(other: Any?): Boolean {
+        return other is UsernameAuthenticator && this.username == other.username && this.password == other.password
+    }
+
+    override fun hashCode(): Int {
+        var result = username.hashCode()
+        result = 31 * result + password.hashCode()
+        return result
+    }
+
+}

scalabot-meta/src/main/kotlin/serializer/Serializer.kt

@@ -0,0 +1,262 @@
+package net.lamgc.scalabot.config.serializer
+
+import com.google.gson.*
+import com.google.gson.reflect.TypeToken
+import net.lamgc.scalabot.config.*
+import org.eclipse.aether.artifact.AbstractArtifact
+import org.eclipse.aether.artifact.Artifact
+import org.eclipse.aether.artifact.DefaultArtifact
+import org.eclipse.aether.repository.Authentication
+import org.eclipse.aether.repository.Proxy
+import org.eclipse.aether.util.repository.AuthenticationBuilder
+import java.lang.reflect.Type
+import java.net.MalformedURLException
+import java.net.URL
+
+object ProxyTypeSerializer : JsonDeserializer<ProxyType>,
+    JsonSerializer<ProxyType> {
+
+    override fun deserialize(
+        json: JsonElement,
+        typeOfT: Type?,
+        context: JsonDeserializationContext?
+    ): ProxyType {
+        if (json.isJsonNull) {
+            return ProxyType.NO_PROXY
+        }
+        if (!json.isJsonPrimitive) {
+            throw JsonParseException("Wrong configuration value type.")
+        }
+        val value = json.asString.trim()
+        try {
+            return ProxyType.valueOf(value.uppercase())
+        } catch (e: IllegalArgumentException) {
+            throw JsonParseException("Invalid value: $value")
+        }
+    }
+
+    override fun serialize(
+        src: ProxyType,
+        typeOfSrc: Type?,
+        context: JsonSerializationContext?
+    ): JsonElement {
+        return JsonPrimitive(src.toString())
+    }
+}
+
+object ArtifactSerializer : JsonSerializer<Artifact>, JsonDeserializer<Artifact> {
+    override fun serialize(src: Artifact, typeOfSrc: Type?, context: JsonSerializationContext?): JsonElement {
+        return if (src is AbstractArtifact) {
+            JsonPrimitive(src.toString())
+        } else {
+            JsonPrimitive(
+                DefaultArtifact(
+                    src.groupId,
+                    src.artifactId,
+                    src.classifier,
+                    src.extension,
+                    src.version
+                ).toString()
+            )
+        }
+    }
+
+    override fun deserialize(json: JsonElement, typeOfT: Type?, context: JsonDeserializationContext?): Artifact {
+        if (!json.isJsonPrimitive) {
+            throw JsonParseException("Wrong configuration value type.")
+        }
+        val artifactStr = json.asString.trim()
+        try {
+            return DefaultArtifact(artifactStr)
+        } catch (e: IllegalArgumentException) {
+            throw JsonParseException("Invalid artifact format: `${artifactStr}`.")
+        }
+    }
+
+}
+
+object AuthenticationSerializer : JsonDeserializer<Authentication> {
+
+    override fun deserialize(json: JsonElement, typeOfT: Type, context: JsonDeserializationContext): Authentication {
+        if (json !is JsonObject) {
+            throw JsonParseException("Unsupported JSON type.")
+        }
+        val username = SerializerUtils.checkJsonKey(json, "username")
+        val password = SerializerUtils.checkJsonKey(json, "password")
+        val builder = AuthenticationBuilder()
+        builder.addUsername(username)
+        builder.addPassword(password)
+        return builder.build()
+    }
+
+}
+
+private object SerializerUtils {
+    fun checkJsonKey(json: JsonObject, key: String): String {
+        if (!json.has(key)) {
+            throw JsonParseException("Required field does not exist: $key")
+        } else if (!json.get(key).isJsonPrimitive) {
+            throw JsonParseException("Wrong field `$key` type: ${json.get(key)::class.java}")
+        }
+        return json.get(key).asString
+    }
+}
+
+object MavenRepositoryConfigSerializer
+    : JsonDeserializer<MavenRepositoryConfig> {
+
+    override fun deserialize(
+        json: JsonElement,
+        typeOfT: Type,
+        context: JsonDeserializationContext
+    ): MavenRepositoryConfig {
+        return when (json) {
+            is JsonObject -> {
+                MavenRepositoryConfig(
+                    id = json.get("id")?.asString,
+                    url = URL(SerializerUtils.checkJsonKey(json, "url")),
+                    proxy = if (json.has("proxy"))
+                        context.deserialize<Proxy>(
+                            json.get("proxy"), Proxy::class.java
+                        ) else null,
+                    layout = json.get("layout")?.asString ?: "default",
+                    enableReleases = json.get("enableReleases")?.asBoolean ?: true,
+                    enableSnapshots = json.get("enableSnapshots")?.asBoolean ?: true,
+                    authentication = if (json.has("authentication"))
+                        context.deserialize<Authentication>(
+                            json.get("authentication"), Authentication::class.java
+                        ) else null
+                )
+            }
+            is JsonPrimitive -> {
+                try {
+                    return MavenRepositoryConfig(url = URL(json.asString))
+                } catch (e: MalformedURLException) {
+                    throw JsonParseException("Invalid URL: ${json.asString}", e)
+                }
+            }
+            else -> {
+                throw JsonParseException("Unsupported Maven repository configuration type. (Only support JSON object or url string)")
+            }
+        }
+    }
+}
+
+object UsernameAuthenticatorSerializer : JsonSerializer<UsernameAuthenticator>,
+    JsonDeserializer<UsernameAuthenticator> {
+
+    override fun serialize(
+        src: UsernameAuthenticator,
+        typeOfSrc: Type?,
+        context: JsonSerializationContext?
+    ): JsonElement {
+        return src.toJsonObject()
+    }
+
+    override fun deserialize(
+        json: JsonElement,
+        typeOfT: Type?,
+        context: JsonDeserializationContext?
+    ): UsernameAuthenticator? {
+        if (json.isJsonNull) {
+            return null
+        } else if (!json.isJsonObject) {
+            throw JsonParseException("Invalid attribute value type.")
+        }
+
+        val jsonObj = json.asJsonObject
+
+        if (jsonObj["username"]?.isJsonPrimitive != true) {
+            throw JsonParseException("Invalid attribute value: username")
+        } else if (jsonObj["password"]?.isJsonPrimitive != true) {
+            throw JsonParseException("Invalid attribute value: password")
+        }
+
+        if (jsonObj["username"].asString.isEmpty() || jsonObj["password"].asString.isEmpty()) {
+            throw JsonParseException("`username` or `password` is empty.")
+        }
+        return UsernameAuthenticator(jsonObj["username"].asString, jsonObj["password"].asString)
+    }
+
+}
+
+object ProxyConfigSerializer : JsonSerializer<ProxyConfig>, JsonDeserializer<ProxyConfig> {
+    override fun serialize(src: ProxyConfig?, typeOfSrc: Type?, context: JsonSerializationContext?): JsonElement {
+        if (src == null) {
+            return JsonNull.INSTANCE
+        }
+        return JsonObject().apply {
+            addProperty("type", src.type.name)
+            addProperty("host", src.host)
+            addProperty("port", src.port)
+        }
+    }
+
+    override fun deserialize(json: JsonElement?, typeOfT: Type?, context: JsonDeserializationContext?): ProxyConfig {
+        if (json == null || json.isJsonNull) {
+            return ProxyConfig()
+        } else if (json !is JsonObject) {
+            throw JsonParseException("Invalid json type.")
+        }
+
+        val typeStr = json["type"]?.asString ?: return ProxyConfig()
+        val type = try {
+            ProxyType.valueOf(typeStr)
+        } catch (e: IllegalArgumentException) {
+            throw JsonParseException("Invalid proxy type: `$typeStr`")
+        }
+
+        if (!json.has("host") || !json.has("port")) {
+            throw JsonParseException("Missing `host` field or `port` field.")
+        }
+
+        return ProxyConfig(
+            type = type,
+            host = json["host"].asString,
+            port = json["port"].asInt
+        )
+    }
+
+}
+
+object BotConfigSerializer : JsonSerializer<BotConfig>, JsonDeserializer<BotConfig> {
+
+    private val defaultConfig = BotConfig(account = BotAccount("__Default__", "__Default__", 0))
+
+    override fun serialize(src: BotConfig, typeOfSrc: Type, context: JsonSerializationContext): JsonElement {
+        return JsonObject().apply {
+            addProperty("enabled", src.enabled)
+            add("account", context.serialize(src.account))
+            addProperty("disableBuiltInAbility", src.disableBuiltInAbility)
+            addProperty("autoUpdateCommandList", src.autoUpdateCommandList)
+            add("extensions", context.serialize(src.extensions))
+            add("proxy", ProxyConfigSerializer.serialize(src.proxy, ProxyConfig::class.java, context))
+            addProperty("baseApiUrl", src.baseApiUrl)
+        }
+    }
+
+    override fun deserialize(json: JsonElement, typeOfT: Type, context: JsonDeserializationContext): BotConfig {
+        if (json !is JsonObject) {
+            throw JsonParseException("Unsupported JSON type.")
+        }
+
+        if (!json.has("account")) {
+            throw JsonParseException("Missing `account` field.")
+        } else if (!json.get("account").isJsonObject) {
+            throw JsonParseException("Invalid `account` field type.")
+        }
+
+        // 从 json 反序列化 BotConfig（使用构造函数）
+        return BotConfig(
+            enabled = json.get("enabled")?.asBoolean ?: defaultConfig.enabled,
+            account = context.deserialize(json.get("account"), BotAccount::class.java)!!,
+            disableBuiltInAbility = json.get("disableBuiltInAbility")?.asBoolean ?: defaultConfig.disableBuiltInAbility,
+            autoUpdateCommandList = json.get("autoUpdateCommandList")?.asBoolean ?: defaultConfig.autoUpdateCommandList,
+            extensions = context.deserialize(json.get("extensions"), object : TypeToken<Set<Artifact>>() {}.type)
+                ?: defaultConfig.extensions,
+            proxy = context.deserialize(json.get("proxy"), ProxyConfig::class.java) ?: defaultConfig.proxy,
+            baseApiUrl = json.get("baseApiUrl")?.asString ?: defaultConfig.baseApiUrl
+        )
+    }
+}
+

scalabot-meta/src/test/kotlin/ConfigsTest.kt

@@ -0,0 +1,516 @@
+package net.lamgc.scalabot.config
+
+import com.google.gson.Gson
+import com.google.gson.GsonBuilder
+import com.google.gson.JsonObject
+import io.mockk.every
+import io.mockk.mockk
+import io.mockk.verify
+import net.lamgc.scalabot.config.serializer.*
+import org.eclipse.aether.artifact.Artifact
+import org.eclipse.aether.artifact.DefaultArtifact
+import org.eclipse.aether.repository.Authentication
+import org.eclipse.aether.repository.AuthenticationContext
+import org.eclipse.aether.repository.Proxy
+import org.intellij.lang.annotations.Language
+import org.junit.jupiter.api.Assertions
+import java.net.URL
+import java.util.*
+import kotlin.math.abs
+import kotlin.test.*
+
+internal class BotAccountTest {
+
+    @Test
+    fun `id getter`() {
+        val accountId = abs(Random().nextInt()).toLong()
+        Assertions.assertEquals(accountId, BotAccount("Test", "${accountId}:AAHErDroUTznQsOd_oZPJ6cQEj4Z5mGHO10", 0).id)
+    }
+
+    private val gson = GsonBuilder()
+        .create()
+
+    @Test
+    fun deserializerTest() {
+        val accountId = abs(Random().nextInt()).toLong()
+        val creatorId = abs(Random().nextInt()).toLong()
+        val botAccountJsonObject = gson.fromJson(
+            """
+            {
+                "name": "TestBot",
+                "token": "${accountId}:AAHErDroUTznQsOd_oZPJ6cQEj4Z5mGHO10",
+                "creatorId": $creatorId
+            }
+        """.trimIndent(), JsonObject::class.java
+        )
+        val botAccount = Gson().fromJson(botAccountJsonObject, BotAccount::class.java)
+        assertEquals(accountId, botAccount.id)
+        assertEquals("TestBot", botAccount.name)
+        assertEquals(creatorId, botAccount.creatorId)
+        assertEquals("${accountId}:AAHErDroUTznQsOd_oZPJ6cQEj4Z5mGHO10", botAccount.token)
+    }
+
+    @Test
+    fun serializerTest() {
+        val accountId = abs(Random().nextInt()).toLong()
+        val creatorId = abs(Random().nextInt()).toLong()
+        val botAccount = BotAccount("TestBot", "${accountId}:AAHErDroUTznQsOd_oZPJ6cQEj4Z5mGHO10", creatorId)
+        val botAccountJsonObject = gson.toJsonTree(botAccount)
+        assertTrue(botAccountJsonObject is JsonObject)
+        assertEquals(botAccount.name, botAccountJsonObject["name"].asString)
+        assertEquals(botAccount.token, botAccountJsonObject["token"].asString)
+        assertNull(botAccountJsonObject["id"])
+        Assertions.assertEquals(creatorId, botAccountJsonObject["creatorId"].asLong)
+    }
+
+}
+
+internal class BotConfigTest {
+
+    private val gson = GsonBuilder()
+        .registerTypeAdapter(BotConfig::class.java, BotConfigSerializer)
+        .registerTypeAdapter(Artifact::class.java, ArtifactSerializer)
+        .registerTypeAdapter(ProxyConfig::class.java, ProxyConfigSerializer)
+        .create()
+
+    @Test
+    fun `json serialize`() {
+        val minimumExpectConfig = BotConfig(
+            account = BotAccount(
+                name = "TestBot",
+                token = "123456789:AAHErDroUTznQsOd_oZPJ6cQEj4Z5mGHO10",
+                creatorId = 123456789L
+            ),
+        )
+
+        val json = gson.toJsonTree(minimumExpectConfig)
+        assertTrue(json is JsonObject)
+        assertEquals(minimumExpectConfig.enabled, json.get("enabled").asBoolean)
+
+        assertEquals(minimumExpectConfig.account.name, json.get("account").asJsonObject.get("name").asString)
+        assertEquals(minimumExpectConfig.account.token, json.get("account").asJsonObject.get("token").asString)
+        assertEquals(minimumExpectConfig.account.creatorId, json.get("account").asJsonObject.get("creatorId").asLong)
+        assertNull(json.get("account").asJsonObject.get("id"))
+
+        assertEquals(minimumExpectConfig.proxy.host, json.get("proxy").asJsonObject.get("host").asString)
+        assertEquals(minimumExpectConfig.proxy.port, json.get("proxy").asJsonObject.get("port").asInt)
+        assertEquals(minimumExpectConfig.proxy.type.name, json.get("proxy").asJsonObject.get("type").asString)
+
+        assertEquals(minimumExpectConfig.disableBuiltInAbility, json.get("disableBuiltInAbility").asBoolean)
+        assertEquals(minimumExpectConfig.autoUpdateCommandList, json.get("autoUpdateCommandList").asBoolean)
+
+        assertNotNull(json.get("extensions"))
+        assertTrue(json.get("extensions").isJsonArray)
+        assertTrue(json.get("extensions").asJsonArray.isEmpty)
+
+        assertEquals(minimumExpectConfig.baseApiUrl, json.get("baseApiUrl").asString)
+    }
+
+    @Test
+    fun `json deserialize`() {
+        val expectExtensionArtifact = DefaultArtifact("org.example.test:test-extension:1.0.0")
+        @Language("JSON5") val looksGoodJson = """
+            {
+                "enabled": false,
+                "account": {
+                    "name": "TestBot",
+                    "token": "123456789:AAHErDroUTznQsOd_oZPJ6cQEj4Z5mGHO10",
+                    "creatorId": 123456789
+                },
+                "proxy": {
+                    "host": "localhost",
+                    "port": 8080,
+                    "type": "HTTP"
+                },
+                "disableBuiltInAbility": false,
+                "autoUpdateCommandList": true,
+                "extensions": [
+                    "$expectExtensionArtifact"
+                ],
+                "baseApiUrl": "http://localhost:8080"
+            }
+        """.trimIndent()
+
+        val actualConfig = gson.fromJson(looksGoodJson, BotConfig::class.java)
+
+        assertEquals(false, actualConfig.enabled)
+
+        assertEquals("TestBot", actualConfig.account.name)
+        assertEquals("123456789:AAHErDroUTznQsOd_oZPJ6cQEj4Z5mGHO10", actualConfig.account.token)
+        assertEquals(123456789L, actualConfig.account.creatorId)
+
+        assertEquals("localhost", actualConfig.proxy.host)
+        assertEquals(8080, actualConfig.proxy.port)
+        assertEquals(ProxyType.HTTP, actualConfig.proxy.type)
+
+        assertEquals(false, actualConfig.disableBuiltInAbility)
+        assertEquals(true, actualConfig.autoUpdateCommandList)
+
+        assertEquals(1, actualConfig.extensions.size)
+        assertEquals(expectExtensionArtifact, actualConfig.extensions.first())
+
+        assertEquals("http://localhost:8080", actualConfig.baseApiUrl)
+    }
+
+    @Test
+    fun `json deserialize - minimum parameters`() {
+        @Language("JSON5") val minimumLooksGoodJson = """
+            {
+                "account": {
+                    "name": "TestBot",
+                    "token": "123456789:AAHErDroUTznQsOd_oZPJ6cQEj4Z5mGHO10",
+                    "creatorId": 123456789
+                }
+            }
+        """.trimIndent()
+        val expectDefaultConfig = BotConfig(account = BotAccount("Test", "Test", 0))
+        val actualMinimumConfig = gson.fromJson(minimumLooksGoodJson, BotConfig::class.java)
+        assertNotNull(actualMinimumConfig)
+        assertEquals("TestBot", actualMinimumConfig.account.name)
+        assertEquals("123456789:AAHErDroUTznQsOd_oZPJ6cQEj4Z5mGHO10", actualMinimumConfig.account.token)
+        assertEquals(123456789, actualMinimumConfig.account.creatorId)
+
+        assertEquals(expectDefaultConfig.enabled, actualMinimumConfig.enabled)
+        assertEquals(expectDefaultConfig.disableBuiltInAbility, actualMinimumConfig.disableBuiltInAbility)
+        assertEquals(expectDefaultConfig.autoUpdateCommandList, actualMinimumConfig.autoUpdateCommandList)
+        assertEquals(expectDefaultConfig.proxy, actualMinimumConfig.proxy)
+        assertEquals(expectDefaultConfig.baseApiUrl, actualMinimumConfig.baseApiUrl)
+
+        assertTrue(expectDefaultConfig.extensions.containsAll(actualMinimumConfig.extensions))
+        assertTrue(actualMinimumConfig.extensions.containsAll(expectDefaultConfig.extensions))
+    }
+
+}
+
+internal class ProxyConfigTest {
+
+    private val gson = GsonBuilder()
+        .registerTypeAdapter(ProxyConfig::class.java, ProxyConfigSerializer)
+        .registerTypeAdapter(ProxyType::class.java, ProxyTypeSerializer)
+        .create()
+
+    @Test
+    fun `json serialize`() {
+        val proxyConfig = ProxyConfig(
+            host = "localhost",
+            port = 8080,
+            type = ProxyType.HTTP
+        )
+        val json = gson.toJsonTree(proxyConfig)
+        assertTrue(json is JsonObject)
+        assertEquals(proxyConfig.host, json.get("host").asString)
+        assertEquals(proxyConfig.port, json.get("port").asInt)
+        assertEquals(proxyConfig.type.name, json.get("type").asString)
+    }
+
+    @Test
+    fun `json deserialize`() {
+        @Language("JSON5") val looksGoodJson = """
+            {
+                "host": "localhost",
+                "port": 8080,
+                "type": "HTTP"
+            }
+        """.trimIndent()
+
+        val actualConfig = gson.fromJson(looksGoodJson, ProxyConfig::class.java)
+
+        assertEquals("localhost", actualConfig.host)
+        assertEquals(8080, actualConfig.port)
+        assertEquals(ProxyType.HTTP, actualConfig.type)
+    }
+}
+
+internal class MetricsConfigTest {
+
+    private val gson = GsonBuilder()
+        .registerTypeAdapter(UsernameAuthenticator::class.java, UsernameAuthenticatorSerializer)
+        .create()
+
+    @Test
+    fun `json serializer`() {
+        val config = MetricsConfig(
+            enable = true,
+            port = 8800,
+            bindAddress = "127.0.0.1",
+            authenticator = UsernameAuthenticator(
+                username = "username",
+                password = "password"
+            )
+        )
+
+        val json = gson.toJsonTree(config).asJsonObject
+
+        assertEquals(config.enable, json.get("enable").asBoolean)
+        assertEquals(config.port, json.get("port").asInt)
+        assertEquals(config.bindAddress, json.get("bindAddress").asString)
+        assertNotNull(config.authenticator)
+        assertTrue(
+            config.authenticator!!.checkCredentials(
+                json.get("authenticator").asJsonObject.get("username").asString,
+                json.get("authenticator").asJsonObject.get("password").asString
+            )
+        )
+
+        val expectDefaultValueConfig = MetricsConfig()
+        val defaultValueJson = gson.toJsonTree(expectDefaultValueConfig).asJsonObject
+        assertEquals(expectDefaultValueConfig.enable, defaultValueJson.get("enable").asBoolean)
+        assertEquals(expectDefaultValueConfig.port, defaultValueJson.get("port").asInt)
+        assertEquals(expectDefaultValueConfig.bindAddress, defaultValueJson.get("bindAddress").asString)
+        assertNull(defaultValueJson.get("authenticator"))
+    }
+
+    @Test
+    fun `json deserializer`() {
+        val json = """
+            {
+                "enable": true,
+                "port": 8800,
+                "bindAddress": "127.0.0.1",
+                "authenticator": {
+                    "username": "username",
+                    "password": "password"
+                }
+            }
+            """.trimIndent()
+        val config = gson.fromJson(json, MetricsConfig::class.java)
+        assertEquals(true, config.enable)
+        assertEquals(8800, config.port)
+        assertEquals("127.0.0.1", config.bindAddress)
+        assertNotNull(config.authenticator)
+        assertTrue(config.authenticator!!.checkCredentials("username", "password"))
+
+        val defaultValueConfig = MetricsConfig()
+        val defaultValueJson = gson.toJsonTree(defaultValueConfig).asJsonObject
+        assertEquals(defaultValueConfig.enable, defaultValueJson.get("enable").asBoolean)
+        assertEquals(defaultValueConfig.port, defaultValueJson.get("port").asInt)
+        assertEquals(defaultValueConfig.bindAddress, defaultValueJson.get("bindAddress").asString)
+        assertNull(defaultValueJson.get("authenticator"))
+    }
+
+    @Test
+    fun `json deserializer - default value`() {
+        val actualConfig = gson.fromJson("{}", MetricsConfig::class.java)
+        val expectConfig = MetricsConfig()
+
+        assertEquals(expectConfig, actualConfig)
+    }
+
+}
+
+internal class MavenRepositoryConfigTest {
+
+    private val gson = GsonBuilder()
+        .registerTypeAdapter(MavenRepositoryConfig::class.java, MavenRepositoryConfigSerializer)
+        .registerTypeAdapter(Authentication::class.java, AuthenticationSerializer)
+        .create()
+
+    @Test
+    fun `json serializer`() {
+        val config = MavenRepositoryConfig(
+            id = "test",
+            url = URL("http://localhost:8080/repository"),
+            proxy = Proxy(
+                "http",
+                "localhost",
+                8080,
+            ),
+            layout = "legacy",
+            enableReleases = false,
+            enableSnapshots = true,
+            authentication = null
+        )
+        val json = gson.toJsonTree(config).asJsonObject
+        assertEquals(config.id, json.get("id").asString)
+        assertEquals(config.url.toString(), json.get("url").asString)
+
+        assertEquals(config.proxy!!.host, json.get("proxy").asJsonObject.get("host").asString)
+        assertEquals(config.proxy!!.port, json.get("proxy").asJsonObject.get("port").asInt)
+        assertEquals(config.proxy!!.type, json.get("proxy").asJsonObject.get("type").asString)
+
+        assertEquals(config.layout, json.get("layout").asString)
+        assertEquals(config.enableReleases, json.get("enableReleases").asBoolean)
+        assertEquals(config.enableSnapshots, json.get("enableSnapshots").asBoolean)
+        assertNull(json.get("authentication"))
+    }
+
+
+    @Test
+    fun `json deserializer`() {
+        @Language("JSON5")
+        val json = """
+            {
+                "id": "test",
+                "url": "http://localhost:8080/repository",
+                "proxy": {
+                    "host": "localhost",
+                    "port": 8080,
+                    "type": "HTTP"
+                },
+                "layout": "legacy",
+                "enableReleases": false,
+                "enableSnapshots": true,
+                "authentication": {
+                    "username": "testUser",
+                    "password": "testPassword"
+                }
+            }
+            """.trimIndent()
+
+        val config = gson.fromJson(json, MavenRepositoryConfig::class.java)
+
+        assertEquals("test", config.id)
+        assertEquals(URL("http://localhost:8080/repository"), config.url)
+        assertEquals(
+            Proxy(
+                "HTTP",
+                "localhost",
+                8080
+            ), config.proxy
+        )
+        assertEquals("legacy", config.layout)
+        assertEquals(false, config.enableReleases)
+        assertEquals(true, config.enableSnapshots)
+        assertNotNull(config.authentication)
+
+        val authContext = mockk<AuthenticationContext> {
+            every { put(ofType(String::class), any()) } answers { }
+        }
+        config.authentication!!.fill(authContext, null, emptyMap())
+
+        verify {
+            authContext.put(any(), "testUser")
+            authContext.put(any(), "testPassword".toCharArray())
+        }
+    }
+
+}
+
+internal class AppConfigTest {
+
+    private val gson = GsonBuilder()
+        .registerTypeAdapter(ProxyType::class.java, ProxyTypeSerializer)
+        .registerTypeAdapter(ProxyConfig::class.java, ProxyConfigSerializer)
+        .registerTypeAdapter(UsernameAuthenticator::class.java, UsernameAuthenticatorSerializer)
+        .registerTypeAdapter(MavenRepositoryConfig::class.java, MavenRepositoryConfigSerializer)
+        .create()
+
+    @Test
+    fun `json serializer - default value`() {
+        val config = AppConfig()
+        val json = gson.toJsonTree(config).asJsonObject
+        assertEquals(config.proxy.type.name, json.get("proxy").asJsonObject.get("type").asString)
+        assertEquals(config.proxy.host, json.get("proxy").asJsonObject.get("host").asString)
+        assertEquals(config.proxy.port, json.get("proxy").asJsonObject.get("port").asInt)
+        assertEquals(config.metrics.enable, json.get("metrics").asJsonObject.get("enable").asBoolean)
+        assertEquals(config.metrics.port, json.get("metrics").asJsonObject.get("port").asInt)
+        assertEquals(config.metrics.bindAddress, json.get("metrics").asJsonObject.get("bindAddress").asString)
+        assertNull(json["metrics"].asJsonObject.get("authenticator"))
+        assertTrue(json["mavenRepositories"].asJsonArray.isEmpty)
+        assertNull(json["mavenLocalRepository"])
+    }
+
+    @Test
+    fun `json serializer - Provide values`() {
+        val config = AppConfig(
+            proxy = ProxyConfig(
+                type = ProxyType.HTTP,
+                host = "localhost",
+                port = 8080
+            ),
+            metrics = MetricsConfig(
+                enable = true,
+                port = 8800,
+                bindAddress = "127.0.0.1",
+                authenticator = UsernameAuthenticator(
+                    username = "username",
+                    password = "password"
+                )
+            ),
+            mavenRepositories = listOf(
+                MavenRepositoryConfig(
+                    url = URL("https://repository.maven.apache.org/maven2/")
+                )
+            ),
+            mavenLocalRepository = "file:///tmp/maven-local-repository"
+        )
+
+        val json = gson.toJsonTree(config).asJsonObject
+
+        assertEquals(config.proxy.type.name, json.get("proxy").asJsonObject.get("type").asString)
+        assertEquals(config.proxy.host, json.get("proxy").asJsonObject.get("host").asString)
+        assertEquals(config.proxy.port, json.get("proxy").asJsonObject.get("port").asInt)
+
+        assertEquals(config.metrics.enable, json.get("metrics").asJsonObject.get("enable").asBoolean)
+        assertEquals(config.metrics.port, json.get("metrics").asJsonObject.get("port").asInt)
+        assertEquals(config.metrics.bindAddress, json.get("metrics").asJsonObject.get("bindAddress").asString)
+        assertNotNull(config.metrics.authenticator)
+        assertTrue(
+            config.metrics.authenticator!!.checkCredentials(
+                json.get("metrics").asJsonObject.get("authenticator").asJsonObject.get("username").asString,
+                json.get("metrics").asJsonObject.get("authenticator").asJsonObject.get("password").asString
+            )
+        )
+
+        assertEquals(1, json["mavenRepositories"].asJsonArray.size())
+        assertEquals(
+            config.mavenRepositories[0].url.toString(),
+            json["mavenRepositories"].asJsonArray[0].asJsonObject.get("url").asString
+        )
+
+        assertEquals(config.mavenLocalRepository, json["mavenLocalRepository"].asString)
+    }
+
+    @Test
+    fun `json deserializer - complete`() {
+        val json = """
+            {
+                "proxy": {
+                    "type": "HTTP",
+                    "host": "localhost",
+                    "port": 8080
+                },
+                "metrics": {
+                    "enable": true,
+                    "port": 8800,
+                    "bindAddress": "127.0.0.1",
+                    "authenticator": {
+                        "username": "username",
+                        "password": "password"
+                    }
+                },
+                "mavenRepositories": [
+                    {
+                        "url": "https://repository.maven.apache.org/maven2/"
+                    }
+                ],
+                "mavenLocalRepository": "file:///tmp/maven-local-repository"
+            }
+            """.trimIndent()
+        val config = gson.fromJson(json, AppConfig::class.java)
+
+        assertEquals(ProxyType.HTTP, config.proxy.type)
+        assertEquals("localhost", config.proxy.host)
+        assertEquals(8080, config.proxy.port)
+
+        assertEquals(true, config.metrics.enable)
+        assertEquals(8800, config.metrics.port)
+        assertEquals("127.0.0.1", config.metrics.bindAddress)
+        assertNotNull(config.metrics.authenticator)
+        assertTrue(config.metrics.authenticator!!.checkCredentials("username", "password"))
+
+        assertEquals(1, config.mavenRepositories.size)
+        assertEquals(URL("https://repository.maven.apache.org/maven2/"), config.mavenRepositories[0].url)
+
+        assertEquals("file:///tmp/maven-local-repository", config.mavenLocalRepository)
+    }
+
+    @Test
+    fun `json deserializer - default value`() {
+        val actualConfig = gson.fromJson("{}", AppConfig::class.java)
+        val expectConfig = AppConfig()
+
+        assertEquals(expectConfig, actualConfig)
+    }
+
+}

scalabot-meta/src/test/kotlin/UsernameAuthenticatorTest.kt

@@ -0,0 +1,38 @@
+package net.lamgc.scalabot.config
+
+import kotlin.test.*
+
+internal class UsernameAuthenticatorTest {
+
+    @Test
+    fun checkCredentialsTest() {
+        val authenticator = UsernameAuthenticator("testUser", "testPassword")
+        assertTrue(authenticator.checkCredentials("testUser", "testPassword"))
+        assertFalse(authenticator.checkCredentials("falseUser", "testPassword"))
+        assertFalse(authenticator.checkCredentials("testUser", "falsePassword"))
+        assertFalse(authenticator.checkCredentials("falseUser", "falsePassword"))
+    }
+
+    @Test
+    fun toJsonObjectTest() {
+        val authenticator = UsernameAuthenticator("testUser", "testPassword")
+        val jsonObject = authenticator.toJsonObject()
+        assertEquals("testUser", jsonObject["username"]?.asString)
+        assertEquals("testPassword", jsonObject["password"]?.asString)
+    }
+
+    @Test
+    fun equalsTest() {
+        val authenticator = UsernameAuthenticator("testUser", "testPassword")
+        assertEquals(authenticator, UsernameAuthenticator("testUser", "testPassword"))
+        assertEquals(authenticator.hashCode(), UsernameAuthenticator("testUser", "testPassword").hashCode())
+        assertNotEquals(authenticator, UsernameAuthenticator("testUser", "falsePassword"))
+        assertNotEquals(authenticator.hashCode(), UsernameAuthenticator("testUser", "falsePassword").hashCode())
+        assertNotEquals(authenticator, UsernameAuthenticator("falseUser", "testPassword"))
+        assertNotEquals(authenticator.hashCode(), UsernameAuthenticator("falseUser", "testPassword").hashCode())
+        assertNotEquals(authenticator, UsernameAuthenticator("falseUser", "falsePassword"))
+        assertNotEquals(authenticator.hashCode(), UsernameAuthenticator("falseUser", "falsePassword").hashCode())
+        assertFalse(authenticator.equals(null))
+    }
+
+}

scalabot-meta/src/test/kotlin/serializer/SerializersKtTest.kt

@@ -0,0 +1,708 @@
+package net.lamgc.scalabot.config.serializer
+
+import com.google.gson.*
+import io.mockk.every
+import io.mockk.mockk
+import io.mockk.verify
+import net.lamgc.scalabot.config.*
+import org.eclipse.aether.artifact.Artifact
+import org.eclipse.aether.artifact.DefaultArtifact
+import org.eclipse.aether.repository.Authentication
+import org.eclipse.aether.repository.AuthenticationContext
+import org.eclipse.aether.repository.Proxy
+import org.intellij.lang.annotations.Language
+import org.junit.jupiter.api.Assertions.assertThrows
+import java.lang.reflect.InvocationTargetException
+import java.lang.reflect.Method
+import java.lang.reflect.Type
+import java.net.URL
+import kotlin.test.*
+
+internal class SerializersKtTest {
+
+    private val instance: Any
+    private val method: Method
+
+    init {
+        val clazz = Class.forName("net.lamgc.scalabot.config.serializer.SerializerUtils")
+        method = clazz.getDeclaredMethod("checkJsonKey", JsonObject::class.java, String::class.java)
+        method.isAccessible = true
+        instance = clazz.getDeclaredField("INSTANCE").apply {
+            isAccessible = true
+        }.get(null)
+    }
+
+    private fun invoke(json: JsonObject, key: String): String {
+        try {
+            return method.invoke(instance, json, key) as String
+        } catch (e: InvocationTargetException) {
+            throw e.targetException
+        }
+    }
+
+    @Test
+    fun `Json key checker test`() {
+        assertThrows(JsonParseException::class.java) {
+            invoke(JsonObject(), "NOT_EXIST_KEY")
+        }
+        assertThrows(JsonParseException::class.java) {
+            invoke(JsonObject().apply { add("NULL_KEY", JsonNull.INSTANCE) }, "NULL_KEY")
+        }
+        assertThrows(JsonParseException::class.java) {
+            invoke(JsonObject().apply { add("ARRAY_KEY", JsonArray()) }, "ARRAY_KEY")
+        }
+        assertThrows(JsonParseException::class.java) {
+            invoke(JsonObject().apply { add("OBJECT_KEY", JsonObject()) }, "OBJECT_KEY")
+        }
+
+        val expectKey = "TEST"
+        val expectString = "testString"
+        val json = JsonObject().apply { addProperty(expectKey, expectString) }
+
+        assertEquals(expectString, invoke(json, expectKey))
+    }
+}
+
+internal class ProxyTypeSerializerTest {
+
+    @Test
+    fun `serialize test`() {
+        for (type in ProxyType.values()) {
+            assertEquals(
+                JsonPrimitive(type.name), ProxyTypeSerializer.serialize(type, null, null),
+                "ProxyType 序列化结果与预期不符."
+            )
+        }
+    }
+
+    @Test
+    fun `deserialize test`() {
+        assertThrows(JsonParseException::class.java) {
+            ProxyTypeSerializer.deserialize(JsonObject(), null, null)
+        }
+        assertThrows(JsonParseException::class.java) {
+            ProxyTypeSerializer.deserialize(JsonArray(), null, null)
+        }
+
+        assertThrows(JsonParseException::class.java) {
+            ProxyTypeSerializer.deserialize(JsonPrimitive("NOT_IN_ENUM_VALUE"), null, null)
+        }
+
+        assertEquals(
+            ProxyType.NO_PROXY,
+            ProxyTypeSerializer.deserialize(JsonNull.INSTANCE, null, null)
+        )
+
+        for (type in ProxyType.values()) {
+            assertEquals(
+                type, ProxyTypeSerializer.deserialize(JsonPrimitive(type.name), null, null),
+                "ProxyType 反序列化结果与预期不符."
+            )
+
+            assertEquals(
+                type, ProxyTypeSerializer.deserialize(JsonPrimitive("  ${type.name}   "), null, null),
+                "ProxyType 反序列化时未对 Json 字符串进行修剪(trim)."
+            )
+        }
+
+    }
+
+}
+
+internal class MavenRepositoryConfigSerializerTest {
+
+    @Test
+    fun `unsupported json type deserialize test`() {
+        assertThrows(JsonParseException::class.java) {
+            MavenRepositoryConfigSerializer.deserialize(
+                JsonArray(),
+                MavenRepositoryConfig::class.java,
+                TestJsonSerializationContext.default()
+            )
+        }
+        assertThrows(JsonParseException::class.java) {
+            MavenRepositoryConfigSerializer.deserialize(
+                JsonNull.INSTANCE,
+                MavenRepositoryConfig::class.java,
+                TestJsonSerializationContext.default()
+            )
+        }
+    }
+
+    @Test
+    fun `json primitive deserialize test`() {
+        assertThrows(JsonParseException::class.java) {
+            MavenRepositoryConfigSerializer.deserialize(
+                JsonPrimitive("NOT A URL."),
+                MavenRepositoryConfig::class.java,
+                TestJsonSerializationContext.default()
+            )
+        }
+
+        val expectRepoUrl = "https://repo.example.org/maven"
+        val config = MavenRepositoryConfigSerializer.deserialize(
+            JsonPrimitive(expectRepoUrl),
+            MavenRepositoryConfig::class.java,
+            TestJsonSerializationContext.default()
+        )
+
+        assertNull(config.id)
+        assertEquals(URL(expectRepoUrl), config.url)
+        assertNull(config.proxy, "Proxy 默认值不为 null.")
+        assertEquals("default", config.layout)
+        assertTrue(config.enableReleases)
+        assertTrue(config.enableSnapshots)
+        assertNull(config.authentication)
+    }
+
+    @Test
+    fun `json object default deserialize test`() {
+        val expectRepoUrl = "https://repo.example.org/maven"
+        val jsonObject = JsonObject()
+        jsonObject.addProperty("url", expectRepoUrl)
+        val config = MavenRepositoryConfigSerializer.deserialize(
+            jsonObject,
+            MavenRepositoryConfig::class.java,
+            TestJsonSerializationContext.default()
+        )
+
+        assertNull(config.id)
+        assertEquals(URL(expectRepoUrl), config.url)
+        assertNull(config.proxy, "Proxy 默认值不为 null.")
+        assertEquals("default", config.layout)
+        assertTrue(config.enableReleases)
+        assertTrue(config.enableSnapshots)
+        assertNull(config.authentication)
+    }
+
+    @Test
+    fun `json object deserialize test`() {
+        @Language("JSON5")
+        val looksGoodJsonString = """
+            {
+              "id": "test-repository",
+              "url": "https://repo.example.org/maven",
+              "proxy": {
+                "type": "http",
+                "host": "127.0.1.1",
+                "port": 10800
+              },
+              "layout": "default",
+              "enableReleases": false,
+              "enableSnapshots": true
+            }
+        """.trimIndent()
+
+        val jsonObject = Gson().fromJson(looksGoodJsonString, JsonObject::class.java)
+        var config = MavenRepositoryConfigSerializer.deserialize(
+            jsonObject,
+            MavenRepositoryConfig::class.java,
+            TestJsonSerializationContext.default()
+        )
+
+        assertEquals(jsonObject["id"].asString, config.id)
+        assertEquals(URL(jsonObject["url"].asString), config.url)
+        assertEquals(Proxy("http", "127.0.1.1", 10800), config.proxy)
+        assertEquals(jsonObject["layout"].asString, config.layout)
+        assertEquals(jsonObject["enableReleases"].asBoolean, config.enableReleases)
+        assertEquals(jsonObject["enableSnapshots"].asBoolean, config.enableSnapshots)
+
+        // ------------------------------------
+
+        jsonObject.add("proxy", JsonNull.INSTANCE)
+        jsonObject.remove("layout")
+
+        config = MavenRepositoryConfigSerializer.deserialize(
+            jsonObject,
+            MavenRepositoryConfig::class.java,
+            TestJsonSerializationContext.default()
+        )
+
+        assertEquals(jsonObject["id"].asString, config.id)
+        assertEquals(URL(jsonObject["url"].asString), config.url)
+        assertNull(config.proxy)
+        assertEquals("default", config.layout)
+        assertEquals(jsonObject["enableReleases"].asBoolean, config.enableReleases)
+        assertEquals(jsonObject["enableSnapshots"].asBoolean, config.enableSnapshots)
+
+        // ------------------------------------
+
+        jsonObject.add("layout", mockk<JsonPrimitive> {
+            every { asString }.returns(null)
+        })
+
+        config = MavenRepositoryConfigSerializer.deserialize(
+            jsonObject,
+            MavenRepositoryConfig::class.java,
+            TestJsonSerializationContext.default()
+        )
+
+        assertEquals(jsonObject["id"].asString, config.id)
+        assertEquals(URL(jsonObject["url"].asString), config.url)
+        assertNull(config.proxy)
+        assertEquals("default", config.layout)
+        assertEquals(jsonObject["enableReleases"].asBoolean, config.enableReleases)
+        assertEquals(jsonObject["enableSnapshots"].asBoolean, config.enableSnapshots)
+        assertNull(config.authentication)
+
+        // ------------------------------------
+
+        jsonObject.add("authentication", JsonObject().apply {
+            addProperty("username", "testUsername")
+            addProperty("password", "testPassword")
+        })
+
+        config = MavenRepositoryConfigSerializer.deserialize(
+            jsonObject,
+            MavenRepositoryConfig::class.java,
+            TestJsonSerializationContext.default()
+        )
+
+        assertEquals(jsonObject["id"].asString, config.id)
+        assertEquals(URL(jsonObject["url"].asString), config.url)
+        assertNull(config.proxy)
+        assertEquals("default", config.layout)
+        assertEquals(jsonObject["enableReleases"].asBoolean, config.enableReleases)
+        assertEquals(jsonObject["enableSnapshots"].asBoolean, config.enableSnapshots)
+        assertNotNull(config.authentication)
+    }
+
+}
+
+private class TestJsonSerializationContext(private val gson: Gson) : JsonDeserializationContext,
+    JsonSerializationContext {
+
+    override fun <T : Any?> deserialize(json: JsonElement?, typeOfT: Type): T {
+        return gson.fromJson(json, typeOfT)
+    }
+
+    companion object {
+        fun default(): TestJsonSerializationContext {
+            return TestJsonSerializationContext(
+                GsonBuilder()
+                    .registerTypeAdapter(MavenRepositoryConfig::class.java, MavenRepositoryConfigSerializer)
+                    .registerTypeAdapter(BotConfig::class.java, BotConfigSerializer)
+                    .registerTypeAdapter(ProxyType::class.java, ProxyTypeSerializer)
+                    .registerTypeAdapter(Artifact::class.java, ArtifactSerializer)
+                    .registerTypeAdapter(Authentication::class.java, AuthenticationSerializer)
+                    .registerTypeAdapter(UsernameAuthenticator::class.java, UsernameAuthenticatorSerializer)
+                    .registerTypeAdapter(ProxyConfig::class.java, ProxyConfigSerializer)
+                    .create()
+            )
+        }
+    }
+
+    override fun serialize(src: Any?): JsonElement {
+        return gson.toJsonTree(src)
+    }
+
+    override fun serialize(src: Any?, typeOfSrc: Type?): JsonElement {
+        return gson.toJsonTree(src, typeOfSrc)
+    }
+
+}
+
+internal class AuthenticationSerializerTest {
+
+    @Test
+    fun `deserialize test`() {
+        assertThrows(JsonParseException::class.java) {
+            AuthenticationSerializer.deserialize(
+                JsonNull.INSTANCE,
+                Authentication::class.java, TestJsonSerializationContext.default()
+            )
+        }
+        assertThrows(JsonParseException::class.java) {
+            AuthenticationSerializer.deserialize(
+                JsonArray(),
+                Authentication::class.java, TestJsonSerializationContext.default()
+            )
+        }
+        assertThrows(JsonParseException::class.java) {
+            AuthenticationSerializer.deserialize(
+                JsonPrimitive("A STRING"),
+                Authentication::class.java, TestJsonSerializationContext.default()
+            )
+        }
+
+        val expectJsonObject = JsonObject().apply {
+            addProperty("username", "testUsername")
+            addProperty("password", "testPassword")
+        }
+
+        val mockContext = mockk<AuthenticationContext> {
+            every { put(any(), any()) }.answers { }
+        }
+
+        val result = AuthenticationSerializer.deserialize(
+            expectJsonObject,
+            Authentication::class.java, TestJsonSerializationContext.default()
+        )
+
+        assertNotNull(result)
+        result.fill(mockContext, "username", null)
+        result.fill(mockContext, "password", null)
+
+        verify {
+            mockContext.put("username", "testUsername")
+            mockContext.put("password", "testPassword".toCharArray())
+        }
+    }
+
+}
+
+internal class BotConfigSerializerTest {
+
+    private val gson = GsonBuilder()
+        .registerTypeAdapter(BotConfig::class.java, BotConfigSerializer)
+        .registerTypeAdapter(Artifact::class.java, ArtifactSerializer)
+        .registerTypeAdapter(ProxyType::class.java, ProxyTypeSerializer)
+        .registerTypeAdapter(ProxyConfig::class.java, ProxyConfigSerializer)
+        .create()
+
+    @Test
+    fun `serializer test`() {
+        // 检查 BotConfig 的序列化
+        val botConfig = BotConfig(
+            account = BotAccount(
+                name = "test-bot",
+                token = "test-token",
+                creatorId = 10000
+            )
+        )
+
+        // 使用 gson 序列化 botConfig, 并检查序列化结果
+        val jsonObject = gson.toJsonTree(botConfig) as JsonObject
+        assertEquals("test-bot", jsonObject["account"].asJsonObject["name"].asString)
+        assertEquals("test-token", jsonObject["account"].asJsonObject["token"].asString)
+        assertEquals(10000, jsonObject["account"].asJsonObject["creatorId"].asInt)
+
+        assertEquals(botConfig.enabled, jsonObject["enabled"].asBoolean)
+        assertEquals(botConfig.proxy.host, jsonObject["proxy"].asJsonObject["host"].asString)
+        assertEquals(botConfig.proxy.port, jsonObject["proxy"].asJsonObject["port"].asInt)
+        assertEquals(botConfig.proxy.type.name, jsonObject["proxy"].asJsonObject["type"].asString)
+        assertEquals(botConfig.disableBuiltInAbility, jsonObject["disableBuiltInAbility"].asBoolean)
+        assertEquals(botConfig.autoUpdateCommandList, jsonObject["autoUpdateCommandList"].asBoolean)
+        assertEquals(botConfig.extensions.isEmpty(), jsonObject["extensions"].asJsonArray.isEmpty)
+        assertEquals(botConfig.baseApiUrl, jsonObject["baseApiUrl"].asString)
+    }
+
+    @Test
+    fun `deserialize test`() {
+        assertThrows(JsonParseException::class.java) {
+            BotConfigSerializer.deserialize(
+                JsonNull.INSTANCE,
+                BotConfig::class.java, TestJsonSerializationContext(gson)
+            )
+        }
+        assertThrows(JsonParseException::class.java) {
+            BotConfigSerializer.deserialize(
+                JsonArray(),
+                BotConfig::class.java, TestJsonSerializationContext(gson)
+            )
+        }
+        assertThrows(JsonParseException::class.java) {
+            BotConfigSerializer.deserialize(
+                JsonPrimitive("A STRING"),
+                BotConfig::class.java, TestJsonSerializationContext(gson)
+            )
+        }
+
+        // 检查 BotConfig 的反序列化中是否能正确判断 account 的类型
+        assertThrows(JsonParseException::class.java) {
+            BotConfigSerializer.deserialize(
+                JsonObject().apply {
+                    addProperty("account", "A STRING")
+                },
+                BotConfig::class.java, TestJsonSerializationContext(gson)
+            )
+        }
+        assertThrows(JsonParseException::class.java) {
+            BotConfigSerializer.deserialize(
+                JsonObject().apply {
+                    add("account", JsonNull.INSTANCE)
+                },
+                BotConfig::class.java, TestJsonSerializationContext(gson)
+            )
+        }
+        assertThrows(JsonParseException::class.java) {
+            BotConfigSerializer.deserialize(
+                JsonObject().apply {
+                    add("account", JsonArray())
+                },
+                BotConfig::class.java, TestJsonSerializationContext(gson)
+            )
+        }
+        assertThrows(JsonParseException::class.java) {
+            BotConfigSerializer.deserialize(
+                JsonObject(),
+                BotConfig::class.java, TestJsonSerializationContext(gson)
+            )
+        }
+
+
+        val expectBotAccount = BotAccount(
+            name = "test-bot",
+            token = "test-token",
+            creatorId = 10000
+        )
+        val expectDefaultBotConfig = BotConfig(account = expectBotAccount)
+        val minimumJsonObject = JsonObject().apply {
+            add("account", gson.toJsonTree(expectBotAccount))
+        }
+        val actualMinimumBotConfig = BotConfigSerializer.deserialize(
+            minimumJsonObject, BotConfig::class.java, TestJsonSerializationContext(gson)
+        )
+        assertNotNull(actualMinimumBotConfig)
+        assertEquals(expectDefaultBotConfig, actualMinimumBotConfig)
+
+        val expectDefaultProxy = ProxyConfig(
+            type = ProxyType.HTTP,
+            host = "https://example.com",
+            port = 443
+        )
+
+        // -------------------------------------------------
+
+        val jsonObject = JsonObject().apply {
+            add(
+                "account", gson.toJsonTree(
+                    BotAccount(
+                        name = "test-bot",
+                        token = "test-token",
+                        creatorId = 10000
+                    )
+                )
+            )
+            addProperty("enabled", true)
+            add("proxy", gson.toJsonTree(expectDefaultProxy))
+            addProperty("disableBuiltInAbility", true)
+            addProperty("autoUpdateCommandList", true)
+            addProperty("baseApiUrl", "https://test.com")
+            add("extensions", JsonArray().apply {
+                add("org.example:test:1.0.0-SNAPSHOT")
+            })
+        }
+
+        val botConfig = BotConfigSerializer.deserialize(
+            jsonObject,
+            BotConfig::class.java, TestJsonSerializationContext(gson)
+        )
+
+        assertEquals("test-bot", botConfig.account.name)
+        assertEquals("test-token", botConfig.account.token)
+        assertEquals(10000, botConfig.account.creatorId)
+        assertEquals(true, botConfig.enabled)
+        assertEquals(expectDefaultProxy, botConfig.proxy)
+        assertEquals(true, botConfig.disableBuiltInAbility)
+        assertEquals(true, botConfig.autoUpdateCommandList)
+        assertEquals("https://test.com", botConfig.baseApiUrl)
+        assertEquals(false, botConfig.extensions.isEmpty())
+        assertEquals(1, botConfig.extensions.size)
+    }
+}
+
+internal class ProxyConfigSerializerTest {
+
+    // 测试 ProxyConfig 的 Json 序列化
+    @Test
+    fun `serialize test`() {
+        assertEquals(JsonNull.INSTANCE, ProxyConfigSerializer.serialize(null, null, null))
+
+        val expectDefaultConfig = ProxyConfig()
+        val actualDefaultJson = ProxyConfigSerializer.serialize(expectDefaultConfig, null, null)
+        assertTrue(actualDefaultJson is JsonObject)
+        assertEquals(expectDefaultConfig.type.name, actualDefaultJson["type"].asString)
+        assertEquals(expectDefaultConfig.host, actualDefaultJson["host"].asString)
+        assertEquals(expectDefaultConfig.port, actualDefaultJson["port"].asInt)
+    }
+
+    @Test
+    fun `Bad type deserialize test`() {
+        val defaultConfig = ProxyConfig()
+        assertEquals(defaultConfig, ProxyConfigSerializer.deserialize(null, null, null))
+        assertEquals(defaultConfig, ProxyConfigSerializer.deserialize(JsonNull.INSTANCE, null, null))
+    }
+
+    @Test
+    fun `deserialize test - object`() {
+        val defaultConfig = ProxyConfig()
+
+        assertThrows(JsonParseException::class.java) {
+            ProxyConfigSerializer.deserialize(JsonArray(), null, null)
+        }
+
+        val jsonWithoutType = JsonObject().apply {
+            addProperty("host", "example.com")
+            addProperty("port", 8080)
+        }
+        assertEquals(defaultConfig, ProxyConfigSerializer.deserialize(jsonWithoutType, null, null))
+
+        val looksGoodJson = JsonObject().apply {
+            addProperty("type", "HTTP")
+            addProperty("host", "example.com")
+            addProperty("port", 8080)
+        }
+        assertEquals(
+            ProxyConfig(
+                type = ProxyType.HTTP,
+                host = "example.com",
+                port = 8080
+            ), ProxyConfigSerializer.deserialize(looksGoodJson, null, null)
+        )
+
+        assertThrows(JsonParseException::class.java) {
+            ProxyConfigSerializer.deserialize(JsonObject().apply {
+                addProperty("type", "UNKNOWN")
+                addProperty("host", "example.com")
+                addProperty("port", 8080)
+            }, null, null)
+        }
+
+        assertThrows(JsonParseException::class.java) {
+            ProxyConfigSerializer.deserialize(JsonObject().apply {
+                addProperty("type", "HTTP")
+                addProperty("host", "example.com")
+            }, null, null)
+        }
+        assertThrows(JsonParseException::class.java) {
+            ProxyConfigSerializer.deserialize(JsonObject().apply {
+                addProperty("type", "HTTP")
+                addProperty("port", 8080)
+            }, null, null)
+        }
+    }
+}
+
+internal class ArtifactSerializerTest {
+
+    @Test
+    fun badJsonType() {
+        assertFailsWith<JsonParseException> { ArtifactSerializer.deserialize(JsonObject(), null, null) }
+        assertFailsWith<JsonParseException> { ArtifactSerializer.deserialize(JsonArray(), null, null) }
+        assertFailsWith<JsonParseException> { ArtifactSerializer.deserialize(JsonPrimitive("A STRING"), null, null) }
+    }
+
+    @Test
+    fun `Basic format serialization`() {
+        val gav = "org.example.software:test:1.0.0-SNAPSHOT"
+        val expectArtifact = DefaultArtifact(gav)
+        val actualArtifact = DefaultArtifact(ArtifactSerializer.serialize(expectArtifact, null, null).asString)
+        assertEquals(expectArtifact, actualArtifact)
+    }
+
+    @Test
+    fun `Full format serialization`() {
+        val gav = "org.example.software:test:war:javadoc:1.0.0-SNAPSHOT"
+        val expectArtifact = DefaultArtifact(gav)
+        val actualArtifact = DefaultArtifact(ArtifactSerializer.serialize(expectArtifact, null, null).asString)
+        assertEquals(expectArtifact, actualArtifact)
+    }
+
+    @Test
+    fun `Bad format serialization`() {
+        assertFailsWith<JsonParseException> {
+            ArtifactSerializer.deserialize(JsonPrimitive("org.example~test"), null, null)
+        }
+    }
+
+    @Test
+    fun `Other artifact implementation serialization`() {
+        val gav = "org.example.software:test:war:javadoc:1.0.0-SNAPSHOT"
+        val expectArtifact = DefaultArtifact(gav)
+        val otherArtifactImpl = mockk<Artifact> {
+            every { groupId } returns expectArtifact.groupId
+            every { artifactId } returns expectArtifact.artifactId
+            every { version } returns expectArtifact.version
+            every { classifier } returns expectArtifact.classifier
+            every { extension } returns expectArtifact.extension
+        }
+
+        val json = ArtifactSerializer.serialize(otherArtifactImpl, null, null)
+        assertTrue(json is JsonPrimitive)
+        assertEquals(expectArtifact.toString(), json.asString)
+    }
+
+    @Test
+    fun deserialize() {
+        val gav = "org.example.software:test:war:javadoc:1.0.0-SNAPSHOT"
+        val expectArtifact = DefaultArtifact(gav)
+        val actualArtifact = ArtifactSerializer.deserialize(JsonPrimitive(gav), null, null)
+        assertEquals(expectArtifact, actualArtifact)
+    }
+}
+
+internal class UsernameAuthenticatorSerializerTest {
+
+    @Test
+    fun serializeTest() {
+        val authenticator = UsernameAuthenticator("testUser", "testPassword")
+        val jsonElement = UsernameAuthenticatorSerializer.serialize(authenticator, null, null)
+        assertTrue(jsonElement.isJsonObject)
+        val jsonObject = jsonElement.asJsonObject
+        assertEquals("testUser", jsonObject["username"]?.asString)
+        assertEquals("testPassword", jsonObject["password"]?.asString)
+    }
+
+    @Test
+    fun deserializeTest() {
+        org.junit.jupiter.api.assertThrows<JsonParseException> {
+            UsernameAuthenticatorSerializer.deserialize(JsonArray(), null, null)
+        }
+        org.junit.jupiter.api.assertThrows<JsonParseException> {
+            UsernameAuthenticatorSerializer.deserialize(JsonPrimitive(""), null, null)
+        }
+        assertNull(UsernameAuthenticatorSerializer.deserialize(JsonNull.INSTANCE, null, null))
+        org.junit.jupiter.api.assertThrows<JsonParseException> {
+            UsernameAuthenticatorSerializer.deserialize(JsonObject().apply {
+                addProperty("username", "testUser")
+            }, null, null)
+        }
+        org.junit.jupiter.api.assertThrows<JsonParseException> {
+            UsernameAuthenticatorSerializer.deserialize(JsonObject().apply {
+                addProperty("username", "testUser")
+                add("password", JsonArray())
+            }, null, null)
+        }
+        org.junit.jupiter.api.assertThrows<JsonParseException> {
+            UsernameAuthenticatorSerializer.deserialize(JsonObject().apply {
+                addProperty("password", "testPassword")
+            }, null, null)
+        }
+        org.junit.jupiter.api.assertThrows<JsonParseException> {
+            UsernameAuthenticatorSerializer.deserialize(JsonObject().apply {
+                add("username", JsonArray())
+                addProperty("password", "testPassword")
+            }, null, null)
+        }
+        org.junit.jupiter.api.assertThrows<JsonParseException> {
+            UsernameAuthenticatorSerializer.deserialize(JsonObject().apply {
+                addProperty("username", "")
+                addProperty("password", "")
+            }, null, null)
+        }
+        org.junit.jupiter.api.assertThrows<JsonParseException> {
+            UsernameAuthenticatorSerializer.deserialize(JsonObject().apply {
+                addProperty("username", "testUser")
+                addProperty("password", "")
+            }, null, null)
+        }
+        org.junit.jupiter.api.assertThrows<JsonParseException> {
+            UsernameAuthenticatorSerializer.deserialize(JsonObject().apply {
+                addProperty("username", "")
+                addProperty("password", "testPassword")
+            }, null, null)
+        }
+
+        val authenticator = UsernameAuthenticatorSerializer.deserialize(JsonObject().apply {
+            addProperty("username", "testUser")
+            addProperty("password", "testPassword")
+        }, null, null)
+        assertNotNull(authenticator)
+
+        assertTrue(authenticator.checkCredentials("testUser", "testPassword"))
+        assertFalse(authenticator.checkCredentials("falseUser", "testPassword"))
+        assertFalse(authenticator.checkCredentials("testUser", "falsePassword"))
+    }
+
+}

settings.gradle.kts

@@ -4,3 +4,4 @@ rootProject.name = "scalabot"
 include(":scalabot-app")
 include(":scalabot-extension")
 include("scalabot-ext-example")
+include("scalabot-meta")