Update gradle.properties

.github/workflows/publish_package.yml

@@ -8,7 +8,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-java@v1
         with:
-          java-version: 1.8
+          java-version: 11
       - name: Update version
         run: |
           branch="`echo "${{ github.ref }}" | grep -o "[^/]*$"`"

build.gradle

@@ -32,6 +32,14 @@ repositories {
                 password = project.hasProperty("GITHUB_TOKEN") ? project.getProperty("GITHUB_TOKEN") : System.getenv("GITHUB_TOKEN")
             }
         }
+        maven {
+            name = "GitHubPackages"
+            url = uri("https://maven.pkg.github.com/InsanusMokrassar/MicroUtils")
+            credentials {
+                username = project.hasProperty("GITHUB_USER") ? project.getProperty("GITHUB_USER") : System.getenv("GITHUB_USER")
+                password = project.hasProperty("GITHUB_TOKEN") ? project.getProperty("GITHUB_TOKEN") : System.getenv("GITHUB_TOKEN")
+            }
+        }
     }
 }
 

gradle.properties

@@ -4,13 +4,13 @@ org.gradle.parallel=true
 kotlin.js.generate.externals=true
 kotlin.incremental=true
 
-kotlin_version=1.4.31
-kotlin_coroutines_version=1.4.3
-kotlin_serialisation_runtime_version=1.1.0
-plagubot_version=0.1.5
+kotlin_version=1.6.21
+kotlin_coroutines_version=1.6.1
+kotlin_serialisation_runtime_version=1.3.3
+plagubot_version=1.0.0
 
-micro_utils_version=0.4.30
-tgbotapi_libraries_version=0.0.2-branch_master-build12
+micro_utils_version=0.10.4
+tgbotapi_libraries_version=0.0.18
 
 project_group=dev.inmo
-project_version=0.1.5
+project_version=0.1.6

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.8.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

src/main/kotlin/dev/inmo/plagubot/plugins/captcha/Plugin.kt

@@ -4,45 +4,45 @@ import dev.inmo.micro_utils.coroutines.*
 import dev.inmo.micro_utils.repos.create
 import dev.inmo.plagubot.Plugin
 import dev.inmo.plagubot.plugins.captcha.db.CaptchaChatsSettingsRepo
+import dev.inmo.plagubot.plugins.captcha.provider.*
 import dev.inmo.plagubot.plugins.captcha.settings.ChatSettings
-import dev.inmo.tgbotapi.bot.TelegramBot
-import dev.inmo.tgbotapi.extensions.api.answers.answerCallbackQuery
+import dev.inmo.tgbotapi.extensions.api.chat.get.getChat
 import dev.inmo.tgbotapi.extensions.api.chat.members.*
 import dev.inmo.tgbotapi.extensions.api.deleteMessage
-import dev.inmo.tgbotapi.extensions.api.edit.ReplyMarkup.editMessageReplyMarkup
-import dev.inmo.tgbotapi.extensions.api.send.media.reply
-import dev.inmo.tgbotapi.extensions.api.send.sendDice
-import dev.inmo.tgbotapi.extensions.api.send.sendTextMessage
+import dev.inmo.tgbotapi.extensions.api.send.*
 import dev.inmo.tgbotapi.extensions.behaviour_builder.*
-import dev.inmo.tgbotapi.extensions.behaviour_builder.expectations.waitBaseInlineQuery
-import dev.inmo.tgbotapi.extensions.behaviour_builder.expectations.waitDataCallbackQuery
 import dev.inmo.tgbotapi.extensions.behaviour_builder.triggers_handling.onCommand
-import dev.inmo.tgbotapi.updateshandlers.FlowsUpdatesFilter
 import dev.inmo.tgbotapi.extensions.behaviour_builder.triggers_handling.onNewChatMembers
 import dev.inmo.tgbotapi.extensions.utils.*
-import dev.inmo.tgbotapi.extensions.utils.formatting.buildEntities
-import dev.inmo.tgbotapi.extensions.utils.formatting.regular
-import dev.inmo.tgbotapi.extensions.utils.shortcuts.executeUnsafe
+import dev.inmo.tgbotapi.extensions.utils.extensions.parseCommandsWithParams
+import dev.inmo.tgbotapi.extensions.utils.extensions.sourceChat
 import dev.inmo.tgbotapi.libraries.cache.admins.*
-import dev.inmo.tgbotapi.requests.DeleteMessage
 import dev.inmo.tgbotapi.types.BotCommand
-import dev.inmo.tgbotapi.types.MessageEntity.textsources.mention
-import dev.inmo.tgbotapi.types.User
-import dev.inmo.tgbotapi.types.chat.ChatPermissions
-import dev.inmo.tgbotapi.types.chat.LeftRestrictionsChatPermissions
+import dev.inmo.tgbotapi.types.chat.RestrictionsChatPermissions
 import dev.inmo.tgbotapi.types.chat.abstracts.Chat
-import dev.inmo.tgbotapi.types.chat.abstracts.PublicChat
-import dev.inmo.tgbotapi.types.dice.SlotMachineDiceAnimationType
-import dev.inmo.tgbotapi.types.message.abstracts.*
-import dev.inmo.tgbotapi.types.message.content.abstracts.MessageContent
+import dev.inmo.tgbotapi.types.chat.abstracts.extended.ExtendedGroupChat
 import kotlinx.coroutines.*
-import kotlinx.coroutines.channels.Channel
-import kotlinx.coroutines.channels.toList
 import kotlinx.serialization.Serializable
 import org.jetbrains.exposed.sql.Database
 
 private const val enableAutoDeleteCommands = "captcha_auto_delete_commands_on"
 private const val disableAutoDeleteCommands = "captcha_auto_delete_commands_off"
+private const val enableAutoDeleteServiceMessages = "captcha_auto_delete_events_on"
+private const val disableAutoDeleteServiceMessages = "captcha_auto_delete_events_off"
+
+private const val enableSlotMachineCaptcha = "captcha_use_slot_machine"
+private const val enableSimpleCaptcha = "captcha_use_simple"
+private const val enableExpressionCaptcha = "captcha_use_expression"
+private const val disableCaptcha = "disable_captcha"
+private const val enableCaptcha = "enable_captcha"
+
+private val enableDisableKickOnUnsuccess = Regex("captcha_(enable|disable)_kick")
+private const val enableKickOnUnsuccess = "captcha_enable_kick"
+private const val disableKickOnUnsuccess = "captcha_disable_kick"
+
+private val changeCaptchaMethodCommandRegex = Regex(
+    "captcha_use_((slot_machine)|(simple)|(expression))"
+)
 
 @Serializable
 class CaptchaBotPlugin : Plugin {
@@ -54,6 +54,42 @@ class CaptchaBotPlugin : Plugin {
         BotCommand(
             disableAutoDeleteCommands,
             "Disable auto removing of commands addressed to captcha plugin"
+        ),
+        BotCommand(
+            enableAutoDeleteServiceMessages,
+            "Enable auto removing of users joined messages"
+        ),
+        BotCommand(
+            disableAutoDeleteServiceMessages,
+            "Disable auto removing of users joined messages"
+        ),
+        BotCommand(
+            enableSlotMachineCaptcha,
+            "Change captcha method to slot machine"
+        ),
+        BotCommand(
+            enableSimpleCaptcha,
+            "Change captcha method to simple button"
+        ),
+        BotCommand(
+            disableCaptcha,
+            "Disable captcha for chat"
+        ),
+        BotCommand(
+            enableCaptcha,
+            "Enable captcha for chat"
+        ),
+        BotCommand(
+            enableExpressionCaptcha,
+            "Change captcha method to expressions"
+        ),
+        BotCommand(
+            enableKickOnUnsuccess,
+            "Not solved captcha users will be kicked from the chat"
+        ),
+        BotCommand(
+            disableKickOnUnsuccess,
+            "Not solved captcha users will NOT be kicked from the chat"
         )
     )
 
@@ -66,93 +102,74 @@ class CaptchaBotPlugin : Plugin {
         suspend fun Chat.settings() = repo.getById(id) ?: repo.create(ChatSettings(id)).first()
 
         onNewChatMembers(
-            additionalFilter = {
+            initialFilter = {
                 it.chat.asPublicChat() != null
             },
-            includeFilterByChatInBehaviourSubContext = false
+            subcontextUpdatesFilter = { m, u -> u.sourceChat() == m.chat },
         ) {
-            safelyWithoutExceptions { deleteMessage(it) }
-            val eventDateTime = it.date
-            val chat = it.chat.requirePublicChat()
-            val newUsers = it.chatEvent.members
-            newUsers.forEach { user ->
-                restrictChatMember(
-                    chat,
-                    user,
-                    permissions = ChatPermissions()
-                )
-            }
-            val settings = it.chat.settings() ?: return@onNewChatMembers
-            val userBanDateTime = eventDateTime + settings.checkTimeSpan
-            val authorized = Channel<User>(newUsers.size)
-            val messagesToDelete = Channel<Message>(Channel.UNLIMITED)
-            val subContexts = newUsers.map {
-                doInSubContext(stopOnCompletion = false) {
-                    val sentMessage = sendTextMessage(
-                        chat,
-                        buildEntities {
-                            +it.mention(it.firstName)
-                            regular(", ${settings.captchaText}")
-                        }
-                    ).also { messagesToDelete.send(it) }
-                    val sentDice = sendDice(
-                        sentMessage.chat,
-                        SlotMachineDiceAnimationType,
-                        replyToMessageId = sentMessage.messageId,
-                        replyMarkup = slotMachineReplyMarkup()
-                    ).also { messagesToDelete.send(it) }
-                    val reels = sentDice.content.dice.calculateSlotMachineResult()!!
-                    val leftToClick = mutableListOf(
-                        reels.left.asSlotMachineReelImage.text,
-                        reels.center.asSlotMachineReelImage.text,
-                        reels.right.asSlotMachineReelImage.text
-                    )
+            launchSafelyWithoutExceptions {
+                val settings = it.chat.settings()
+                if (!settings.enabled) return@launchSafelyWithoutExceptions
 
-                    launch {
-                        val clicked = arrayOf<String?>(null, null, null)
-                        while (leftToClick.isNotEmpty()) {
-                            val userClicked = waitDataCallbackQuery { if (user.id == it.id) this else null }.first()
-                            if (userClicked.data == leftToClick.first()) {
-                                clicked[3 - leftToClick.size] = leftToClick.removeAt(0)
-                                if (clicked.contains(null)) {
-                                    safelyWithoutExceptions { answerCallbackQuery(userClicked, "Ok, next one") }
-                                    editMessageReplyMarkup(sentDice, slotMachineReplyMarkup(clicked[0], clicked[1], clicked[2]))
-                                } else {
-                                    safelyWithoutExceptions { answerCallbackQuery(userClicked, "Thank you and welcome", showAlert = true) }
-                                    safelyWithoutExceptions { deleteMessage(sentMessage) }
-                                    safelyWithoutExceptions { deleteMessage(sentDice) }
-                                }
-                            } else {
-                                safelyWithoutExceptions { answerCallbackQuery(userClicked, "Nope") }
-                            }
-                        }
-                        authorized.send(it)
-                        safelyWithoutExceptions { restrictChatMember(chat, it, permissions = LeftRestrictionsChatPermissions) }
-                        stop()
+                safelyWithoutExceptions {
+                    if (settings.autoRemoveEvents) {
+                        deleteMessage(it)
                     }
-
-                    this to it
                 }
-            }
-
-            delay((userBanDateTime - eventDateTime).millisecondsLong)
-
-            authorized.close()
-            val authorizedUsers = authorized.toList()
-
-            subContexts.forEach { (context, user) ->
-                if (user !in authorizedUsers) {
-                    context.stop()
-                    safelyWithoutExceptions { kickChatMember(chat, user) }
+                val chat = it.chat.requireGroupChat()
+                val newUsers = it.chatEvent.members
+                newUsers.forEach { user ->
+                    restrictChatMember(
+                        chat,
+                        user,
+                        permissions = RestrictionsChatPermissions
+                    )
+                }
+                val defaultChatPermissions = (getChat(it.chat) as ExtendedGroupChat).permissions
+
+                doInSubContext(stopOnCompletion = false) {
+                    launch {
+                        settings.captchaProvider.apply { doAction(it.date, chat, newUsers, defaultChatPermissions) }
+                    }
                 }
-            }
-            messagesToDelete.close()
-            for (message in messagesToDelete) {
-                executeUnsafe(DeleteMessage(message.chat.id, message.messageId), retries = 0)
             }
         }
 
         if (adminsAPI != null) {
+            onCommand(changeCaptchaMethodCommandRegex) {
+                it.doAfterVerification(adminsAPI) {
+                    val settings = it.chat.settings()
+                    if (settings.autoRemoveCommands) {
+                        safelyWithoutExceptions { deleteMessage(it) }
+                    }
+                    val commands = it.parseCommandsWithParams()
+                    val changeCommand = commands.keys.first {
+                        println(it)
+                        changeCaptchaMethodCommandRegex.matches(it)
+                    }
+                    println(changeCommand)
+                    val captcha = when {
+                        changeCommand.startsWith(enableSimpleCaptcha) -> SimpleCaptchaProvider()
+                        changeCommand.startsWith(enableExpressionCaptcha) -> ExpressionCaptchaProvider()
+                        changeCommand.startsWith(enableSlotMachineCaptcha) -> SlotMachineCaptchaProvider()
+                        else -> return@doAfterVerification
+                    }
+                    val newSettings = settings.copy(captchaProvider = captcha)
+                    if (repo.contains(it.chat.id)) {
+                        repo.update(it.chat.id, newSettings)
+                    } else {
+                        repo.create(newSettings)
+                    }
+                    sendMessage(it.chat, "Settings updated").also { sent ->
+                        delay(5000L)
+
+                        if (settings.autoRemoveCommands) {
+                            deleteMessage(sent)
+                        }
+                    }
+                }
+            }
+
             onCommand(
                 enableAutoDeleteCommands,
                 requireOnlyCommandInMessage = false
@@ -181,6 +198,74 @@ class CaptchaBotPlugin : Plugin {
                     )
                 }
             }
+
+            onCommand(disableCaptcha) { message ->
+                message.doAfterVerification(adminsAPI) {
+                    val settings = message.chat.settings()
+
+                    repo.update(
+                        message.chat.id,
+                        settings.copy(enabled = false)
+                    )
+
+                    reply(message, "Captcha has been disabled")
+
+                    if (settings.autoRemoveCommands) {
+                        deleteMessage(message)
+                    }
+                }
+            }
+
+            onCommand(enableCaptcha) { message ->
+                message.doAfterVerification(adminsAPI) {
+                    val settings = message.chat.settings()
+
+                    repo.update(
+                        message.chat.id,
+                        settings.copy(enabled = true)
+                    )
+
+                    reply(message, "Captcha has been enabled")
+
+                    if (settings.autoRemoveCommands) {
+                        deleteMessage(message)
+                    }
+                }
+            }
+
+            onCommand(enableAutoDeleteServiceMessages) { message ->
+                message.doAfterVerification(adminsAPI) {
+                    val settings = message.chat.settings()
+
+                    repo.update(
+                        message.chat.id,
+                        settings.copy(autoRemoveEvents = true)
+                    )
+
+                    reply(message, "Ok, user joined service messages will be deleted")
+
+                    if (settings.autoRemoveCommands) {
+                        deleteMessage(message)
+                    }
+                }
+            }
+
+            onCommand(disableAutoDeleteServiceMessages) { message ->
+                message.doAfterVerification(adminsAPI) {
+                    val settings = message.chat.settings()
+
+                    repo.update(
+                        message.chat.id,
+                        settings.copy(autoRemoveEvents = false)
+                    )
+
+                    reply(message, "Ok, user joined service messages will not be deleted")
+
+                    if (settings.autoRemoveCommands) {
+                        deleteMessage(message)
+                    }
+                }
+            }
         }
     }
 }

src/main/kotlin/dev/inmo/plagubot/plugins/captcha/db/CaptchaChatsSettingsRepo.kt

@@ -1,13 +1,25 @@
 package dev.inmo.plagubot.plugins.captcha.db
 
+import dev.inmo.micro_utils.coroutines.launchSynchronously
 import dev.inmo.micro_utils.repos.exposed.*
-import dev.inmo.micro_utils.repos.exposed.keyvalue.ExposedKeyValueRepo
+import dev.inmo.micro_utils.repos.versions.VersionsRepo
+import dev.inmo.plagubot.plugins.captcha.provider.CaptchaProvider
+import dev.inmo.plagubot.plugins.captcha.provider.SimpleCaptchaProvider
 import dev.inmo.plagubot.plugins.captcha.settings.*
 import dev.inmo.tgbotapi.types.ChatId
 import dev.inmo.tgbotapi.types.toChatId
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.serialization.json.Json
 import org.jetbrains.exposed.sql.*
 import org.jetbrains.exposed.sql.statements.InsertStatement
 import org.jetbrains.exposed.sql.statements.UpdateStatement
+import org.jetbrains.exposed.sql.transactions.transaction
+
+private val captchaProviderSerialFormat = Json {
+    ignoreUnknownKeys = true
+}
+
+private val defaultCaptchaProviderValue = captchaProviderSerialFormat.encodeToString(CaptchaProvider.serializer(), SimpleCaptchaProvider())
 
 class CaptchaChatsSettingsRepo(
     override val database: Database
@@ -15,47 +27,52 @@ class CaptchaChatsSettingsRepo(
     tableName = "CaptchaChatsSettingsRepo"
 ) {
     private val chatIdColumn = long("chatId")
-    private val checkTimeSecondsColumn = integer("checkTime")
-    private val solveCaptchaTextColumn = text("solveCaptchaText")
+    private val captchaProviderColumn = text("captchaProvider").apply {
+        default(defaultCaptchaProviderValue)
+    }
     private val autoRemoveCommandsColumn = bool("autoRemoveCommands")
+    private val autoRemoveEventsColumn = bool("autoRemoveEvents").apply { default(true) }
+    private val enabledColumn = bool("enabled").default(true)
 
     override val primaryKey = PrimaryKey(chatIdColumn)
 
     override val selectByIds: SqlExpressionBuilder.(List<ChatId>) -> Op<Boolean> = {
         chatIdColumn.inList(it.map { it.chatId })
     }
-    override val InsertStatement<Number>.asObject: ChatSettings
-        get() = TODO("Not yet implemented")
 
     override fun insert(value: ChatSettings, it: InsertStatement<Number>) {
         it[chatIdColumn] = value.chatId.chatId
-        it[checkTimeSecondsColumn] = value.checkTime
-        it[solveCaptchaTextColumn] = value.captchaText
+        it[captchaProviderColumn] = captchaProviderSerialFormat.encodeToString(CaptchaProvider.serializer(), value.captchaProvider)
         it[autoRemoveCommandsColumn] = value.autoRemoveCommands
+        it[autoRemoveEventsColumn] = value.autoRemoveEvents
+        it[enabledColumn] = value.enabled
     }
 
     override fun update(id: ChatId, value: ChatSettings, it: UpdateStatement) {
         if (id.chatId == value.chatId.chatId) {
-            it[checkTimeSecondsColumn] = value.checkTime
-            it[solveCaptchaTextColumn] = value.captchaText
+            it[captchaProviderColumn] = captchaProviderSerialFormat.encodeToString(CaptchaProvider.serializer(), value.captchaProvider)
             it[autoRemoveCommandsColumn] = value.autoRemoveCommands
+            it[autoRemoveEventsColumn] = value.autoRemoveEvents
+            it[enabledColumn] = value.enabled
         }
     }
 
     override fun InsertStatement<Number>.asObject(value: ChatSettings): ChatSettings = ChatSettings(
-        get(chatIdColumn).toChatId(),
-        get(checkTimeSecondsColumn),
-        get(solveCaptchaTextColumn),
-        get(autoRemoveCommandsColumn)
+        chatId = get(chatIdColumn).toChatId(),
+        captchaProvider = captchaProviderSerialFormat.decodeFromString(CaptchaProvider.serializer(), get(captchaProviderColumn)),
+        autoRemoveCommands = get(autoRemoveCommandsColumn),
+        autoRemoveEvents = get(autoRemoveEventsColumn),
+        enabled = get(enabledColumn)
     )
 
     override val selectById: SqlExpressionBuilder.(ChatId) -> Op<Boolean> = { chatIdColumn.eq(it.chatId) }
     override val ResultRow.asObject: ChatSettings
         get() = ChatSettings(
-            get(chatIdColumn).toChatId(),
-            get(checkTimeSecondsColumn),
-            get(solveCaptchaTextColumn),
-            get(autoRemoveCommandsColumn)
+            chatId = get(chatIdColumn).toChatId(),
+            captchaProvider = captchaProviderSerialFormat.decodeFromString(CaptchaProvider.serializer(), get(captchaProviderColumn)),
+            autoRemoveCommands = get(autoRemoveCommandsColumn),
+            autoRemoveEvents = get(autoRemoveEventsColumn),
+            enabled = get(enabledColumn)
         )
 
     init {

src/main/kotlin/dev/inmo/plagubot/plugins/captcha/provider/CaptchaProvider.kt

@@ -0,0 +1,381 @@
+package dev.inmo.plagubot.plugins.captcha.provider
+
+import com.benasher44.uuid.uuid4
+import com.soywiz.klock.DateTime
+import com.soywiz.klock.seconds
+import dev.inmo.micro_utils.coroutines.safelyWithResult
+import dev.inmo.micro_utils.coroutines.safelyWithoutExceptions
+import dev.inmo.plagubot.plugins.captcha.slotMachineReplyMarkup
+import dev.inmo.tgbotapi.extensions.api.answers.answerCallbackQuery
+import dev.inmo.tgbotapi.extensions.api.chat.members.*
+import dev.inmo.tgbotapi.extensions.api.deleteMessage
+import dev.inmo.tgbotapi.extensions.api.edit.ReplyMarkup.editMessageReplyMarkup
+import dev.inmo.tgbotapi.extensions.api.send.sendDice
+import dev.inmo.tgbotapi.extensions.api.send.sendTextMessage
+import dev.inmo.tgbotapi.extensions.behaviour_builder.*
+import dev.inmo.tgbotapi.extensions.behaviour_builder.expectations.waitDataCallbackQuery
+import dev.inmo.tgbotapi.extensions.utils.asSlotMachineReelImage
+import dev.inmo.tgbotapi.extensions.utils.calculateSlotMachineResult
+import dev.inmo.tgbotapi.extensions.utils.formatting.*
+import dev.inmo.tgbotapi.extensions.utils.shortcuts.executeUnsafe
+import dev.inmo.tgbotapi.extensions.utils.types.buttons.InlineKeyboardMarkup
+import dev.inmo.tgbotapi.requests.DeleteMessage
+import dev.inmo.tgbotapi.types.*
+import dev.inmo.tgbotapi.types.MessageEntity.textsources.mention
+import dev.inmo.tgbotapi.types.buttons.InlineKeyboardButtons.CallbackDataInlineKeyboardButton
+import dev.inmo.tgbotapi.types.chat.ChatPermissions
+import dev.inmo.tgbotapi.types.chat.LeftRestrictionsChatPermissions
+import dev.inmo.tgbotapi.types.chat.abstracts.*
+import dev.inmo.tgbotapi.types.dice.SlotMachineDiceAnimationType
+import dev.inmo.tgbotapi.types.message.abstracts.Message
+import kotlinx.coroutines.*
+import kotlinx.coroutines.channels.Channel
+import kotlinx.coroutines.channels.toList
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.Transient
+import kotlin.random.Random
+
+@Serializable
+sealed class CaptchaProvider {
+    abstract suspend fun BehaviourContext.doAction(
+        eventDateTime: DateTime,
+        chat: GroupChat,
+        newUsers: List<User>,
+        leftRestrictionsPermissions: ChatPermissions
+    )
+}
+
+private suspend fun BehaviourContext.banUser(
+    chat: PublicChat,
+    user: User,
+    leftRestrictionsPermissions: ChatPermissions,
+    onFailure: suspend BehaviourContext.(Throwable) -> Unit = {
+        safelyWithResult {
+            sendTextMessage(
+                chat,
+                buildEntities(" ") {
+                    user.mention(
+                        listOfNotNull(
+                            user.lastName.takeIf { it.isNotBlank() }, user.firstName.takeIf { it.isNotBlank() }
+                        ).takeIf {
+                            it.isNotEmpty()
+                        } ?.joinToString(" ") ?: "User"
+                    )
+                    +"failed captcha"
+                }
+            )
+        }
+    }
+): Result<Boolean> = safelyWithResult {
+    restrictChatMember(chat, user, permissions = leftRestrictionsPermissions)
+    banChatMember(chat, user)
+}.onFailure {
+    onFailure(it)
+}
+
+@Serializable
+data class SlotMachineCaptchaProvider(
+    val checkTimeSeconds: Seconds = 300,
+    val captchaText: String = "solve this captcha: ",
+    val kick: Boolean = true
+) : CaptchaProvider() {
+    @Transient
+    private val checkTimeSpan = checkTimeSeconds.seconds
+
+    override suspend fun BehaviourContext.doAction(
+        eventDateTime: DateTime,
+        chat: GroupChat,
+        newUsers: List<User>,
+        leftRestrictionsPermissions: ChatPermissions
+    ) {
+        val userBanDateTime = eventDateTime + checkTimeSpan
+        val authorized = Channel<User>(newUsers.size)
+        val messagesToDelete = Channel<Message>(Channel.UNLIMITED)
+        val subContexts = newUsers.map {
+            doInSubContext(stopOnCompletion = false) {
+                val sentMessage = sendTextMessage(
+                    chat,
+                    buildEntities {
+                        +it.mention(it.firstName)
+                        regular(", ${captchaText}")
+                    }
+                ).also { messagesToDelete.send(it) }
+                val sentDice = sendDice(
+                    sentMessage.chat,
+                    SlotMachineDiceAnimationType,
+                    replyToMessageId = sentMessage.messageId,
+                    replyMarkup = slotMachineReplyMarkup()
+                ).also { messagesToDelete.send(it) }
+                val reels = sentDice.content.dice.calculateSlotMachineResult()!!
+                val leftToClick = mutableListOf(
+                    reels.left.asSlotMachineReelImage.text,
+                    reels.center.asSlotMachineReelImage.text,
+                    reels.right.asSlotMachineReelImage.text
+                )
+
+                launch {
+                    val clicked = arrayOf<String?>(null, null, null)
+                    while (leftToClick.isNotEmpty()) {
+                        val userClicked = waitDataCallbackQuery { if (user.id == it.id) this else null }.first()
+                        if (userClicked.data == leftToClick.first()) {
+                            clicked[3 - leftToClick.size] = leftToClick.removeAt(0)
+                            if (clicked.contains(null)) {
+                                safelyWithoutExceptions { answerCallbackQuery(userClicked, "Ok, next one") }
+                                editMessageReplyMarkup(sentDice, slotMachineReplyMarkup(clicked[0], clicked[1], clicked[2]))
+                            } else {
+                                safelyWithoutExceptions { answerCallbackQuery(userClicked, "Thank you and welcome", showAlert = true) }
+                                safelyWithoutExceptions { deleteMessage(sentMessage) }
+                                safelyWithoutExceptions { deleteMessage(sentDice) }
+                            }
+                        } else {
+                            safelyWithoutExceptions { answerCallbackQuery(userClicked, "Nope") }
+                        }
+                    }
+                    authorized.send(it)
+                    safelyWithoutExceptions { restrictChatMember(chat, it, permissions = leftRestrictionsPermissions) }
+                    stop()
+                }
+
+                this to it
+            }
+        }
+
+        delay((userBanDateTime - eventDateTime).millisecondsLong)
+
+        authorized.close()
+        val authorizedUsers = authorized.toList()
+
+        subContexts.forEach { (context, user) ->
+            if (user !in authorizedUsers) {
+                context.stop()
+                if (kick) {
+                    banUser(chat, user, leftRestrictionsPermissions)
+                }
+            }
+        }
+        messagesToDelete.close()
+        for (message in messagesToDelete) {
+            executeUnsafe(DeleteMessage(message.chat.id, message.messageId), retries = 0)
+        }
+    }
+}
+
+@Serializable
+data class SimpleCaptchaProvider(
+    val checkTimeSeconds: Seconds = 60,
+    val captchaText: String = "press this button to pass captcha:",
+    val buttonText: String = "Press me\uD83D\uDE0A",
+    val kick: Boolean = true
+) : CaptchaProvider() {
+    @Transient
+    private val checkTimeSpan = checkTimeSeconds.seconds
+
+    override suspend fun BehaviourContext.doAction(
+        eventDateTime: DateTime,
+        chat: GroupChat,
+        newUsers: List<User>,
+        leftRestrictionsPermissions: ChatPermissions
+    ) {
+        val userBanDateTime = eventDateTime + checkTimeSpan
+        newUsers.mapNotNull {
+            safelyWithoutExceptions {
+                launch {
+                    doInSubContext(stopOnCompletion = false) {
+                        val callbackData = uuid4().toString()
+                        val sentMessage = sendTextMessage(
+                            chat,
+                            buildEntities {
+                                +it.mention(it.firstName)
+                                regular(", $captchaText")
+                            },
+                            replyMarkup = InlineKeyboardMarkup(
+                                CallbackDataInlineKeyboardButton(buttonText, callbackData)
+                            )
+                        )
+
+                        suspend fun removeRedundantMessages() {
+                            safelyWithoutExceptions {
+                                deleteMessage(sentMessage)
+                            }
+                        }
+
+                        val job = parallel {
+                            waitDataCallbackQuery {
+                                if (it.id == user.id && this.data == callbackData) {
+                                    this
+                                } else {
+                                    null
+                                }
+                            }.first()
+
+                            removeRedundantMessages()
+                            safelyWithoutExceptions { restrictChatMember(chat, it, permissions = leftRestrictionsPermissions) }
+                            stop()
+                        }
+
+                        delay((userBanDateTime - eventDateTime).millisecondsLong)
+
+                        if (job.isActive) {
+                            job.cancel()
+                            if (kick) {
+                                banUser(chat, it, leftRestrictionsPermissions)
+                            }
+                        }
+                        stop()
+                    }
+                }
+            }
+        }.joinAll()
+    }
+}
+
+private object ExpressionBuilder {
+    sealed class ExpressionOperation {
+        object PlusExpressionOperation : ExpressionOperation() {
+            override fun asString(): String = "+"
+
+            override fun Int.perform(other: Int): Int = plus(other)
+        }
+        object MinusExpressionOperation : ExpressionOperation() {
+            override fun asString(): String = "-"
+
+            override fun Int.perform(other: Int): Int = minus(other)
+        }
+        abstract fun asString(): String
+        abstract fun Int.perform(other: Int): Int
+    }
+    private val experssions = listOf(ExpressionOperation.PlusExpressionOperation, ExpressionOperation.MinusExpressionOperation)
+
+    private fun createNumber(max: Int) = Random.nextInt(max + 1)
+    fun generateResult(max: Int, operationsNumber: Int = 1): Int {
+        val operations = (0 until operationsNumber).map { experssions.random() }
+        var current = createNumber(max)
+        operations.forEach {
+            val rightOne = createNumber(max)
+            current = it.run { current.perform(rightOne) }
+        }
+        return current
+    }
+    fun createExpression(max: Int, operationsNumber: Int = 1): Pair<Int, String> {
+        val operations = (0 until operationsNumber).map { experssions.random() }
+        var current = createNumber(max)
+        var numbersString = "$current"
+        operations.forEach {
+            val rightOne = createNumber(max)
+            current = it.run { current.perform(rightOne) }
+            numbersString += " ${it.asString()} $rightOne"
+        }
+        return current to numbersString
+    }
+}
+
+@Serializable
+data class ExpressionCaptchaProvider(
+    val checkTimeSeconds: Seconds = 60,
+    val captchaText: String = "Solve next captcha:",
+    val leftRetriesText: String = "Nope, left retries: ",
+    val maxPerNumber: Int = 10,
+    val operations: Int = 2,
+    val answers: Int = 6,
+    val attempts: Int = 3,
+    val kick: Boolean = true
+) : CaptchaProvider() {
+    @Transient
+    private val checkTimeSpan = checkTimeSeconds.seconds
+
+    override suspend fun BehaviourContext.doAction(
+        eventDateTime: DateTime,
+        chat: GroupChat,
+        newUsers: List<User>,
+        leftRestrictionsPermissions: ChatPermissions
+    ) {
+        val userBanDateTime = eventDateTime + checkTimeSpan
+        newUsers.map { user ->
+            launch {
+                doInSubContext {
+                    val callbackData = ExpressionBuilder.createExpression(
+                        maxPerNumber,
+                        operations
+                    )
+                    val correctAnswer = callbackData.first.toString()
+                    val answers = (0 until answers - 1).map {
+                        ExpressionBuilder.generateResult(maxPerNumber, operations)
+                    }.toMutableList().also { orderedAnswers ->
+                        val correctAnswerPosition = Random.nextInt(orderedAnswers.size)
+                        orderedAnswers.add(correctAnswerPosition, callbackData.first)
+                    }.toList()
+                    val sentMessage = sendTextMessage(
+                        chat,
+                        buildEntities {
+                            +user.mention(user.firstName)
+                            regular(", $captchaText ")
+                            bold(callbackData.second)
+                        },
+                        replyMarkup = dev.inmo.tgbotapi.types.buttons.InlineKeyboardMarkup(
+                            answers.map {
+                                CallbackDataInlineKeyboardButton(it.toString(), it.toString())
+                            }.chunked(3)
+                        )
+                    )
+
+                    suspend fun removeRedundantMessages() {
+                        safelyWithoutExceptions {
+                            deleteMessage(sentMessage)
+                        }
+                    }
+
+                    var passed: Boolean? = null
+                    val passedMutex = Mutex()
+                    val callback: suspend (Boolean) -> Unit = {
+                        passedMutex.withLock {
+                            if (passed == null) {
+                                removeRedundantMessages()
+                                passed = it
+                                if (it) {
+                                    safelyWithoutExceptions { restrictChatMember(chat, user, permissions = leftRestrictionsPermissions) }
+                                } else {
+                                    if (kick) {
+                                        banUser(chat, user, leftRestrictionsPermissions)
+                                    }
+                                }
+                            }
+                        }
+                    }
+
+                    val banJob = launch {
+                        delay((userBanDateTime - eventDateTime).millisecondsLong)
+
+                        if (passed == null) {
+                            callback(false)
+                            stop()
+                        }
+                    }
+
+                    var leftAttempts = attempts
+                    waitDataCallbackQuery {
+                        when {
+                            this.user.id != user.id -> null
+                            this.data != correctAnswer -> {
+                                leftAttempts--
+                                if (leftAttempts < 1) {
+                                    this
+                                } else {
+                                    answerCallbackQuery(this@waitDataCallbackQuery, leftRetriesText + leftAttempts)
+                                    null
+                                }
+                            }
+                            else -> this
+                        }
+                    }.first()
+
+                    banJob.cancel()
+
+                    callback(leftAttempts > 0)
+                }
+            }
+        }.joinAll()
+    }
+}
+

src/main/kotlin/dev/inmo/plagubot/plugins/captcha/settings/ChatSettings.kt

@@ -1,18 +1,15 @@
 package dev.inmo.plagubot.plugins.captcha.settings
 
-import com.soywiz.klock.TimeSpan
+import dev.inmo.plagubot.plugins.captcha.provider.CaptchaProvider
+import dev.inmo.plagubot.plugins.captcha.provider.SimpleCaptchaProvider
 import dev.inmo.tgbotapi.types.ChatId
-import dev.inmo.tgbotapi.types.Seconds
 import kotlinx.serialization.Serializable
-import kotlinx.serialization.Transient
 
 @Serializable
 data class ChatSettings(
     val chatId: ChatId,
-    val checkTime: Seconds = 60,
-    val captchaText: String = "solve next captcha:",
-    val autoRemoveCommands: Boolean = false
-) {
-    @Transient
-    val checkTimeSpan = TimeSpan(checkTime * 1000.0)
-}
+    val captchaProvider: CaptchaProvider = SimpleCaptchaProvider(),
+    val autoRemoveCommands: Boolean = false,
+    val autoRemoveEvents: Boolean = true,
+    val enabled: Boolean = true
+)