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This commit is contained in:
eleksir
2025-05-08 18:12:52 +03:00
commit 144da3f5c0
1519 changed files with 648343 additions and 0 deletions

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package moon
import (
"fmt"
"time"
"github.com/NicoNex/echotron/v3"
)
// newChatMember parses one of types ChatMemberUpdated event.
// https://core.telegram.org/bots/api#chatmemberupdated
func newChatMember(msg *echotron.Update) {
var (
joinTimestampString string
)
// Spam bots come with these attributes.
// msg.ChatMember.NewChatMember.Status = "member"
// msg.ChatMember.OldChatMember.User != nil
// msg.ChatMember.OldChatMember.Status = "left"
Log.Infof(
"User %s %s (username = %s, id = %d) in chat %s %s (%d) now %s was %s",
msg.ChatMember.NewChatMember.User.FirstName,
msg.ChatMember.NewChatMember.User.LastName,
msg.ChatMember.NewChatMember.User.Username,
msg.ChatMember.NewChatMember.User.ID,
msg.ChatMember.Chat.Type,
msg.ChatMember.Chat.Title,
msg.ChatMember.Chat.ID,
msg.ChatMember.NewChatMember.Status,
msg.ChatMember.OldChatMember.Status,
)
// To avoid race conditions.
// To really avoid them, this particular event and newChatMember handler must be serialized via channel.
time.Sleep(10 * time.Second)
Log.Info("Processing UpdateUser event")
// Try to get timestamp when this member joined to chat
joinTimestampString = Cfg.GetValue(
"NewMembers",
fmt.Sprintf("%d", msg.ChatMember.Chat.ID),
fmt.Sprintf("%d", msg.ChatMember.NewChatMember.User.ID),
)
// Нормальный человек, который зашёл с правильным ивентом, через message с атрибутом new_chat_members
// https://core.telegram.org/bots/api#message
if joinTimestampString != "" {
return
}
// Check some other attributes.
if msg.ChatMember.OldChatMember.Status == "left" && msg.ChatMember.NewChatMember.Status == "member" {
leftTimestampString := Cfg.GetValue(
"LeftMembers",
fmt.Sprintf("%d", msg.ChatMember.Chat.ID),
fmt.Sprintf("%d", msg.ChatMember.NewChatMember.User.ID),
)
// Yes, this member definitely left chat at some point, we have no question to him/her.
if leftTimestampString != "" {
return
}
// Very suspicious coincedence, looks like we've got bot here.
banDate := time.Now().Unix() + 45
if res, err := Tg.BanChatMember(
msg.ChatID(),
msg.ChatMember.NewChatMember.User.ID,
&echotron.BanOptions{
UntilDate: int(banDate),
},
); err != nil {
Log.Errorf(
"Unable to ban user with id %d in chat %s: %s",
msg.ChatMember.NewChatMember.User.ID,
msg.ChatID(),
res.Description,
)
} else {
if !res.Ok {
Log.Errorf(
"Unable to ban user with id %d in chat %s: %s",
msg.ChatMember.NewChatMember.User.ID,
msg.ChatID(),
res.Description,
)
} else {
Log.Infof(
"Banned user with id %d in chat %s.",
msg.ChatMember.NewChatMember.User.ID,
msg.ChatID(),
)
}
}
}
}
/* vim: set ft=go noet ai ts=4 sw=4 sts=4: */

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internal/moon/config.go Normal file
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package moon
import (
"encoding/json"
"fmt"
"os"
"github.com/hjson/hjson-go"
"go.uber.org/zap/zapcore"
)
// parseConfig разбирает и валидирует даденный конфиг.
func ParseConfig(path string) (MyConfig, error) {
fileInfo, err := os.Stat(path)
// Assume that no such file or directory error occurs.
if err != nil {
return MyConfig{}, fmt.Errorf("unable to find config: %w", err)
}
// Config file looks too long for config.
if fileInfo.Size() > 65535 {
err := fmt.Errorf("config file %s is too long for config, skipping", path) //nolint: err113
return MyConfig{}, err
}
buf, err := os.ReadFile(path)
// Noluck reading file.
if err != nil {
return MyConfig{}, err
}
/*
* According to docs hjson kinda can patse quirky json, but unmarshalls it to map. *
* Struct on output look more interesting: so we unmarshall config to map, then mashall back to json and then *
* unmarshall it via ecodinf/json to struct. Not very effective way but we do this not too often. *
*/
var (
sampleConfig MyConfig
tmp map[string]interface{}
)
err = hjson.Unmarshal(buf, &tmp)
// Не удалось распарсить.
if err != nil {
return MyConfig{}, err
}
tmpjson, err := json.Marshal(tmp)
// Не удалось преобразовать map-ку в json.
if err != nil {
return MyConfig{}, err
}
if err := json.Unmarshal(tmpjson, &sampleConfig); err != nil {
return MyConfig{}, err
}
if sampleConfig.Token == "" {
return MyConfig{}, fmt.Errorf("token field in config file %s must be set", path) //nolint: err113
}
if _, err := zapcore.ParseLevel(sampleConfig.LogLevel); err != nil {
sampleConfig.LogLevel = "info"
}
// sampleConfig.Log = "" if not set
if sampleConfig.CSign == "" {
err := fmt.Errorf("csign field in config file %s must be set", path) //nolint: err113
return MyConfig{}, err
}
if sampleConfig.DataDir == "" {
return MyConfig{}, fmt.Errorf("data_dir field in config file %s must be set", path) //nolint: err113
}
return sampleConfig, err
}
/* vim: set ft=go noet ai ts=4 sw=4 sts=4: */

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internal/moon/db.go Normal file
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package moon
import (
"crypto/sha256"
"errors"
"fmt"
"io/fs"
"os"
"github.com/cockroachdb/errors/oserror"
"github.com/cockroachdb/pebble"
)
// StoreKV сохраняет в указанной бд ключ и значение.
func StoreKV(db *pebble.DB, key string, value string) error {
var (
kArray = []byte(key)
vArray = []byte(value)
)
err := db.Set(kArray, vArray, pebble.Sync)
if err != nil {
return err
}
err = db.Flush()
return err
}
// FetchV достаёт значение по ключу.
func FetchV(db *pebble.DB, key string) (string, error) {
var (
kArray = []byte(key)
vArray []byte
valueString = ""
)
vArray, closer, err := db.Get(kArray)
if err != nil {
return valueString, err
}
valueString = string(vArray)
err = closer.Close()
return valueString, err
}
// GetValue достаёт настройку из БД с настройками.
// TODO: should return string, error and should not log error internally.
func (cfg *MyConfig) GetValue(dataBaseName string, chatID string, setting string) string {
var err error
chatHash := sha256.Sum256([]byte(chatID))
dataBaseDir := fmt.Sprintf("db/%s/%x", dataBaseName, chatHash)
// Если БД не открыта, откроем её
if _, ok := DB[dataBaseDir]; !ok {
var options pebble.Options
// По дефолту ограничение ставится на мегабайты данных, а не на количество файлов, поэтому с дефолтными
// настройками порождается огромное количество файлов. Умолчальное ограничение на количество файлов - 500 штук,
// что нас не устраивает, поэтому немного снизим эту цифру до более приемлемых значений.
options.L0CompactionFileThreshold = 8
if err := os.MkdirAll(dataBaseDir, os.ModePerm); err != nil {
Log.Errorf("Unable to create db dir %s: %s", dataBaseDir, err)
return ""
}
DB[dataBaseDir], err = pebble.Open(dataBaseDir, &options)
if err != nil {
Log.Errorf("Unable to open db, %s: %s\n", dataBaseDir, err)
return ""
}
}
value, err := FetchV(DB[dataBaseDir], setting)
// Если из базы ничего не вынулось, по каким-то причинам, то просто вернём пустую строку.
if err != nil {
switch {
case errors.Is(err, pebble.ErrNotFound):
Log.Debugf("Unable to get value for %s: no record found in db %s", setting, dataBaseDir)
case errors.Is(err, fs.ErrNotExist):
Log.Debugf("Unable to get value for %s: db dir %s does not exist", setting, dataBaseDir)
case errors.Is(err, oserror.ErrNotExist):
Log.Debugf("Unable to get value for %s: db dir %s does not exist", setting, dataBaseDir)
default:
Log.Errorf("Unable to get value for %s in db dir %s: %s", setting, dataBaseDir, err)
}
return ""
}
return value
}
// SaveSetting сохраняет настройку в БД с настройками.
func (cfg *MyConfig) SaveKeyValue(dataBaseName string, chatID string, setting string, value string) error {
var (
chatHash = sha256.Sum256([]byte(chatID))
dataBaseDir = fmt.Sprintf("%s/db/%s/%x", cfg.DataDir, dataBaseName, chatHash)
err error
)
// Если БД не открыта, откроем её.
if _, ok := DB[dataBaseDir]; !ok {
var options pebble.Options
// По дефолту ограничение ставится на мегабайты данных, а не на количество файлов, поэтому с дефолтными
// настройками порождается огромное количество файлов. Умолчальное ограничение на количество файлов - 500 штук,
// что нас не устраивает, поэтому немного снизим эту цифру до более приемлемых значений.
options.L0CompactionFileThreshold = 8
if err := os.MkdirAll(dataBaseDir, os.ModePerm); err != nil {
return fmt.Errorf("unable to create db dir %s: %w", dataBaseDir, err)
}
DB[dataBaseDir], err = pebble.Open(dataBaseDir, &options)
if err != nil {
return fmt.Errorf("unable to open settings db, %s: %w", dataBaseDir, err)
}
}
if err := StoreKV(DB[dataBaseDir], setting, value); err != nil {
return fmt.Errorf("unable to save setting %s in database %s: %w", setting, dataBaseDir, err)
}
return nil
}
/* vim: set ft=go noet ai ts=4 sw=4 sts=4: */

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package moon
import (
"os"
"github.com/NicoNex/echotron/v3"
"github.com/cockroachdb/pebble"
"go.uber.org/zap"
)
var (
Cfg MyConfig
SigChan = make(chan os.Signal, 1)
Log *zap.SugaredLogger
Tg echotron.API
// Мапка с открытыми дескрипторами баз настроек.
DB = make(map[string]*pebble.DB)
)
/* vim: set ft=go noet ai ts=4 sw=4 sts=4: */

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package moon
import (
"fmt"
"time"
"github.com/NicoNex/echotron/v3"
)
func leftChatMember(msg *echotron.Update) {
Log.Infof(
"User %s %s (username = %s, id = %d) left %s %s (%d)",
msg.Message.LeftChatMember.FirstName,
msg.Message.LeftChatMember.LastName,
msg.Message.LeftChatMember.Username,
msg.Message.LeftChatMember.ID,
msg.Message.Chat.Type,
msg.Message.Chat.Title,
msg.Message.Chat.ID,
)
if err := Cfg.SaveKeyValue(
"LeftMembers",
fmt.Sprintf("%d", msg.Message.Chat.ID),
fmt.Sprintf("%d", msg.Message.LeftChatMember.ID),
fmt.Sprintf("%d", time.Now().Unix()),
); err != nil {
Log.Error(err)
} else {
Log.Infof("Info about left userid %d saved to left users db", msg.Message.LeftChatMember.ID)
}
}
/* vim: set ft=go noet ai ts=4 sw=4 sts=4: */

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package moon
import (
"fmt"
"time"
"github.com/NicoNex/echotron/v3"
)
// newChatMembers parses NewChatMember event.
func newChatMembers(msg *echotron.Update) {
for _, user := range msg.Message.NewChatMembers {
Log.Infof(
"User %s %s (username = %s, id = %d) joined %s %s (%d)",
user.FirstName,
user.LastName,
user.Username,
user.ID,
msg.Message.Chat.Type,
msg.Message.Chat.Title,
msg.Message.Chat.ID,
)
if err := Cfg.SaveKeyValue(
"NewMembers",
fmt.Sprintf("%d", msg.Message.Chat.ID),
fmt.Sprintf("%d", user.ID),
fmt.Sprintf("%d", time.Now().Unix()),
); err != nil {
Log.Error(err)
} else {
Log.Infof("Info about new userid %d saved to new users db", user.ID)
}
}
}
/* vim: set ft=go noet ai ts=4 sw=4 sts=4: */

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package moon
import (
"os"
"syscall"
)
// SigHandler хэндлер сигналов закрывает все бд, все сетевые соединения и сваливает из приложения.
func SigHandler() {
for {
var s = <-SigChan
switch s {
case syscall.SIGINT:
Log.Infoln("Got SIGINT, quitting")
case syscall.SIGTERM:
Log.Infoln("Got SIGTERM, quitting")
case syscall.SIGQUIT:
Log.Infoln("Got SIGQUIT, quitting")
// Заходим на новую итерацию, если у нас "неинтересный" сигнал.
default:
continue
}
if len(DB) > 0 {
Log.Debug("Closing runtime bot settings db")
for _, db := range DB {
_ = db.Close()
}
}
// Since we shutting down, we have noting to do with log sync.
_ = Log.Sync()
os.Exit(0)
}
}
/* vim: set ft=go noet ai ts=4 sw=4 sts=4: */

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internal/moon/telegram.go Normal file
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package moon
import (
"github.com/NicoNex/echotron/v3"
"github.com/davecgh/go-spew/spew"
)
// Telegram основная горутинка, реализующая бота.
func Telegram(cfg MyConfig) {
Tg = echotron.NewAPI(cfg.Token)
for u := range echotron.PollingUpdatesOptions(cfg.Token, true, echotron.UpdateOptions{
AllowedUpdates: []echotron.UpdateType{
"message",
"edited_message",
"channel_post",
"edited_channel_post",
"message_reaction",
"message_reaction_count",
"inline_query",
"chosen_inline_result",
"callback_query",
"poll",
"poll_answer",
"my_chat_member",
"chat_member",
"chat_join_request",
"chat_boost",
"removed_chat_boost",
},
}) {
telegramMsgParser(u)
}
}
// telegramMsgParser parses events generated by echotron.
func telegramMsgParser(msg *echotron.Update) {
if msg.Message.Text != "" {
textMessage(msg)
return
}
// ChatMember updated event. It goes to chatMemberUpdated.go.
if msg.ChatMember != nil {
if msg.ChatMember.NewChatMember.User != nil {
newChatMember(msg)
} else {
Log.Info(spew.Sdump(msg))
}
return
}
// New members entered to chat.
if msg.Message.NewChatMembers != nil {
newChatMembers(msg)
}
// Chat member leaves chat.
if msg.Message.LeftChatMember != nil {
leftChatMember(msg)
}
Log.Debug(spew.Sdump(msg))
}
/* vim: set ft=go noet ai ts=4 sw=4 sts=4: */

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package moon
import (
"fmt"
"time"
"github.com/NicoNex/echotron/v3"
)
func textMessage(msg *echotron.Update) {
if msg.Message.ReplyToMessage == nil {
// Just log it, it seems later here should be ban/mute command set.
Log.Infof(
"User %s %s (username = %s, id = %d) in %s %s (%d) says: %s",
msg.Message.From.FirstName,
msg.Message.From.LastName,
msg.Message.From.Username,
msg.Message.From.ID,
msg.Message.Chat.Type,
msg.Message.Chat.Title,
msg.Message.Chat.ID,
msg.Message.Text,
)
} else {
// Just log it.
Log.Infof(
"User %s %s (username = %s, id = %d) in %s %s (%d) replies to message %d by %s %s (username = %s, id = %d): %s",
msg.Message.From.FirstName,
msg.Message.From.LastName,
msg.Message.From.Username,
msg.Message.From.ID,
msg.Message.Chat.Type,
msg.Message.Chat.Title,
msg.Message.Chat.ID,
msg.Message.ReplyToMessage.ID,
msg.Message.ReplyToMessage.From.FirstName,
msg.Message.ReplyToMessage.From.LastName,
msg.Message.ReplyToMessage.From.Username,
msg.Message.ReplyToMessage.From.ID,
msg.Message.Text,
)
}
// Update database of new members :)
// Try to get timestamp when this member joined to chat
if joinTimestampString := Cfg.GetValue(
"NewMembers",
fmt.Sprintf("%d", msg.ChatMember.Chat.ID),
fmt.Sprintf("%d", msg.ChatMember.NewChatMember.User.ID),
); joinTimestampString == "" {
if err := Cfg.SaveKeyValue(
"NewMembers",
fmt.Sprintf("%d", msg.Message.Chat.ID),
fmt.Sprintf("%d", msg.Message.From.ID),
fmt.Sprintf("%d", time.Now().Unix()),
); err != nil {
Log.Error(err)
} else {
Log.Infof("Info about new userid %d saved to new users db", msg.Message.From.ID)
}
}
}
/* vim: set ft=go noet ai ts=4 sw=4 sts=4: */

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internal/moon/types.go Normal file
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package moon
type MyConfig struct {
Name string `json:"name,omitempty"`
Token string `json:"token,omitempty"`
LogLevel string `json:"loglevel,omitempty"`
LogFile string `json:"logfile,omitempty"`
CSign string `json:"csign,omitempty"`
DataDir string `json:"datadir,omitempty"`
}
/* vim: set ft=go noet ai ts=4 sw=4 sts=4: */