mirror of
https://github.com/truewhile/MeBox.git
synced 2026-09-29 19:36:36 +08:00
ShukeBta
471 lines
16 KiB
Go
471 lines
16 KiB
Go
package service
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"strconv"
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"strings"
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"time"
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"go.uber.org/zap"
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"gorm.io/gorm"
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"github.com/ShukeBta/MediaStationGo/internal/model"
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)
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// findChannelByChatID 根据 chat_id 查找已配置的通知渠道。
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func (s *TelegramBotService) findChannelByChatID(ctx context.Context, chatID int) *model.NotifyChannel {
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channels, err := s.repo.NotifyChannel.ListByType(ctx, "telegram")
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if err != nil {
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return nil
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}
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target := strconv.Itoa(chatID)
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for _, ch := range channels {
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if !ch.Enabled {
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continue
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}
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configStr := ch.Config
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if s.crypto != nil && configStr != "" {
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configStr = s.crypto.Decrypt(configStr)
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}
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var cfg map[string]string
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if err := json.Unmarshal([]byte(configStr), &cfg); err != nil {
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continue
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}
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if cfg["chat_id"] == target || cfg["command_chat_id"] == target ||
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cfg["group_chat_id"] == target || cfg["channel_chat_id"] == target {
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return &ch
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}
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}
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if len(channels) == 1 && channels[0].Enabled {
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return &channels[0]
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}
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return nil
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}
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func (s *TelegramBotService) findChannelForMessage(ctx context.Context, msg *TelegramMessage) *model.NotifyChannel {
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if msg == nil {
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return nil
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}
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if msg.Chat.Type != "" && msg.Chat.Type != "private" {
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return s.findChannelByChatID(ctx, msg.Chat.ID)
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}
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channels, err := s.repo.NotifyChannel.ListByType(ctx, "telegram")
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if err != nil {
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return nil
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}
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var first *model.NotifyChannel
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for i := range channels {
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ch := channels[i]
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if !ch.Enabled {
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continue
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}
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if first == nil {
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first = &ch
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}
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if s.telegramUserIsAdmin(ctx, &ch, msg.From.ID) || s.telegramUserCanBind(ctx, &ch, msg.From.ID) {
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return &ch
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}
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}
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return first
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}
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func (s *TelegramBotService) channelForMessage(ctx context.Context, msg *TelegramMessage, hint *model.NotifyChannel) *model.NotifyChannel {
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if hint == nil {
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return s.findChannelForMessage(ctx, msg)
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}
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if msg == nil {
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return hint
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}
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if msg.Chat.Type != "" && msg.Chat.Type != "private" && !s.telegramChatAllowed(hint, msg.Chat.ID) {
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return nil
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}
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return hint
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}
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func (s *TelegramBotService) handleCallback(ctx context.Context, cb *TelegramCallbackQuery, channelHint *model.NotifyChannel) error {
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if cb == nil || cb.Message == nil {
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return nil
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}
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msg := *cb.Message
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msg.From = cb.From
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channel := s.channelForMessage(ctx, &msg, channelHint)
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if channel == nil {
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channel = s.findChannelByChatID(ctx, cb.Message.Chat.ID)
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}
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// 立即应答回调，关闭按钮上的加载状态，避免客户端长时间转圈。
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if telegramIsGroupChat(cb.Message.Chat.Type) {
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s.answerCallbackWithText(ctx, channel, cb.ID, "为了隐私，群组内按钮面板已禁用。请私聊 Bot 或在群里发送 /menu，我会把面板私聊给你。", true)
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s.deleteTelegramSourceMessage(channel, cb.Message.Chat.ID, cb.Message.MessageID)
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return nil
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}
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if cb.Message.Chat.Type == "private" && cb.Message.Chat.ID != cb.From.ID {
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s.answerCallbackWithText(ctx, channel, cb.ID, "这个面板不属于你，请发送 /menu 打开自己的面板。", true)
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return nil
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}
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s.answerCallback(ctx, channel, cb.ID)
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data := strings.TrimSpace(cb.Data)
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if data == "adult_toggle" {
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reply := s.cmdHideAdult(ctx, &msg, nil)
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if reply.Text != "" {
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err := s.reply(ctx, channel, cb.Message.Chat.ID, reply)
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s.deleteTelegramSourceMessage(channel, cb.Message.Chat.ID, cb.Message.MessageID)
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return err
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}
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return nil
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}
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if reply, handled := s.handleMenuCallback(ctx, channel, &msg, data); handled {
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if reply.Text != "" {
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err := s.reply(ctx, channel, cb.Message.Chat.ID, reply)
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s.deleteTelegramSourceMessage(channel, cb.Message.Chat.ID, cb.Message.MessageID)
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return err
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}
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}
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return nil
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}
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// answerCallback 应答 Telegram 回调查询，关闭按钮上的加载提示。
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func (s *TelegramBotService) answerCallback(ctx context.Context, channel *model.NotifyChannel, callbackID string) {
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s.answerCallbackWithText(ctx, channel, callbackID, "", false)
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}
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func (s *TelegramBotService) answerCallbackWithText(ctx context.Context, channel *model.NotifyChannel, callbackID, text string, showAlert bool) {
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if channel == nil || strings.TrimSpace(callbackID) == "" {
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return
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}
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cfg := s.telegramChannelConfig(channel)
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if strings.TrimSpace(cfg["bot_token"]) == "" {
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return
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}
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payload := map[string]interface{}{
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"callback_query_id": callbackID,
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}
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if strings.TrimSpace(text) != "" {
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payload["text"] = text
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payload["show_alert"] = showAlert
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}
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if err := telegramPostJSON(ctx, cfg, "answerCallbackQuery", payload, 8*time.Second); err != nil {
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s.log.Debug("telegram answerCallbackQuery failed", zap.Error(sanitizeTelegramError(err)))
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}
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}
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func (s *TelegramBotService) telegramBinding(ctx context.Context, telegramUserID int) *model.TelegramBinding {
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if telegramUserID == 0 {
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return nil
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}
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var binding model.TelegramBinding
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err := s.repo.DB.WithContext(ctx).Where("telegram_user_id = ?", int64(telegramUserID)).First(&binding).Error
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if err != nil {
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return nil
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}
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return &binding
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}
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func (s *TelegramBotService) unbindTelegramUser(ctx context.Context, telegramUserID int) error {
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if s == nil || s.repo == nil || s.repo.DB == nil || telegramUserID == 0 {
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return nil
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}
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return s.repo.DB.WithContext(ctx).Unscoped().
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Where("telegram_user_id = ?", int64(telegramUserID)).
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Delete(&model.TelegramBinding{}).Error
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}
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func (s *TelegramBotService) telegramUserIsAdmin(ctx context.Context, channel *model.NotifyChannel, telegramUserID int) bool {
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if s.telegramUserIDConfigured(channel, telegramUserID) {
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return true
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}
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binding := s.telegramBinding(ctx, telegramUserID)
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if binding == nil {
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return false
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}
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user, err := s.repo.User.FindByID(ctx, binding.UserID)
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return err == nil && user != nil && user.Role == "admin" && user.IsActive
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}
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func (s *TelegramBotService) telegramChatAllowed(channel *model.NotifyChannel, chatID int) bool {
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if channel == nil {
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return false
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}
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configStr := channel.Config
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if s.crypto != nil && configStr != "" {
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configStr = s.crypto.Decrypt(configStr)
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}
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var cfg map[string]string
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if err := json.Unmarshal([]byte(configStr), &cfg); err != nil {
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return false
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}
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target := strconv.Itoa(chatID)
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for _, key := range []string{"group_chat_id", "channel_chat_id", "command_chat_id"} {
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if configured := strings.TrimSpace(cfg[key]); configured != "" && configured == target {
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return true
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}
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}
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if strings.TrimSpace(cfg["group_chat_id"]) != "" || strings.TrimSpace(cfg["channel_chat_id"]) != "" || strings.TrimSpace(cfg["command_chat_id"]) != "" {
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return false
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}
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return strings.TrimSpace(cfg["chat_id"]) == target
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}
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// telegramBindDecision 表示成员资格校验的三态结果：通过 / 明确不通过 /
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// 无法验证（getChatMember 出错，如 Bot 不在群、群 ID 失效、网络或代理不可达）。
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// 区分「明确不是成员」和「查不了」，是为了避免把验证失败误报成「你不在群」。
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type telegramBindDecision int
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const (
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bindDenied telegramBindDecision = iota // 已查实：不在任何绑定群组/频道
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bindAllowed // 管理员，或查实是某绑定群组/频道成员
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bindUnverifiable // 配了群组/频道但 getChatMember 全部失败
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)
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// telegramMembership 表示单个 chat 的成员资格三态。
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type telegramMembership int
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const (
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membershipNo telegramMembership = iota // 查实不是成员（left/kicked 等）
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membershipYes // 查实是成员
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membershipUnknown // getChatMember 出错，无法判定
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)
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func (s *TelegramBotService) telegramUserBindDecision(ctx context.Context, channel *model.NotifyChannel, telegramUserID int) telegramBindDecision {
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if telegramUserID == 0 || channel == nil {
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return bindDenied
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}
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if s.telegramUserIDConfigured(channel, telegramUserID) {
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return bindAllowed
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}
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chatIDs := s.telegramMembershipChatIDs(channel)
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if len(chatIDs) == 0 {
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return bindDenied
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}
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sawUnknown := false
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for _, chatID := range chatIDs {
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switch s.telegramChatMembership(ctx, channel, chatID, telegramUserID) {
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case membershipYes:
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return bindAllowed
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case membershipUnknown:
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sawUnknown = true
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}
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}
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if sawUnknown {
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return bindUnverifiable
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}
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return bindDenied
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}
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// telegramUserCanBind 是 telegramUserBindDecision 的布尔包装，供尽力而为的场景
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// 使用（如私聊时挑选可用渠道）：只有查实通过才返回 true。
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func (s *TelegramBotService) telegramUserCanBind(ctx context.Context, channel *model.NotifyChannel, telegramUserID int) bool {
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return s.telegramUserBindDecision(ctx, channel, telegramUserID) == bindAllowed
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}
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// telegramBindRejectText 根据三态结果生成面向用户的提示。action 形如「兑换注册账号」
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// 「绑定媒体中心账号」。bindUnverifiable 时不再误导用户「你不在群」，而是提示
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// 管理员检查 Bot 权限与群组 ID。
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func telegramBindRejectText(decision telegramBindDecision, action string) string {
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if decision == bindUnverifiable {
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return fmt.Sprintf("暂时无法验证你的群组/频道成员身份，%s未成功。这通常是因为 Bot 未加入绑定群组、在频道中不是管理员，或群组 ID 配置有误（如超级群需带 -100 前缀）。请联系管理员检查 Bot 权限与「绑定群组/频道 ID」。", action)
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}
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return fmt.Sprintf("当前 Telegram 账号不在管理员配置的绑定群组/频道中，无法%s。请先加入管理员配置的群组或频道；如果尚未配置，请联系管理员。", action)
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}
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func (s *TelegramBotService) telegramChatMembership(ctx context.Context, channel *model.NotifyChannel, chatID string, telegramUserID int) telegramMembership {
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cfg := s.telegramChannelConfig(channel)
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if strings.TrimSpace(cfg["bot_token"]) == "" || chatID == "" || telegramUserID == 0 {
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return membershipUnknown
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}
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payload := map[string]interface{}{
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"chat_id": chatID,
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"user_id": telegramUserID,
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}
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var result struct {
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OK bool `json:"ok"`
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Result struct {
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Status string `json:"status"`
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} `json:"result"`
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}
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if err := telegramPostJSONDecode(ctx, cfg, "getChatMember", payload, 15*time.Second, &result); err != nil {
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s.log.Warn("telegram getChatMember failed", zap.String("chat_id", chatID), zap.Int("telegram_user_id", telegramUserID), zap.Error(sanitizeTelegramError(err)))
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return membershipUnknown
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}
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if !result.OK {
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return membershipUnknown
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}
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switch strings.ToLower(result.Result.Status) {
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case "creator", "administrator", "member", "restricted":
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return membershipYes
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default:
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return membershipNo
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}
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}
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// telegramUserIsChatMember 是 telegramChatMembership 的布尔包装，仅在查实是成员时
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// 返回 true（查不了也视为非成员，供尽力而为的场景使用）。
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func (s *TelegramBotService) telegramUserIsChatMember(ctx context.Context, channel *model.NotifyChannel, chatID string, telegramUserID int) bool {
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return s.telegramChatMembership(ctx, channel, chatID, telegramUserID) == membershipYes
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}
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func (s *TelegramBotService) telegramUserIDConfigured(channel *model.NotifyChannel, telegramUserID int) bool {
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if channel == nil || telegramUserID == 0 {
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return false
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}
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cfg := s.telegramChannelConfig(channel)
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target := strconv.Itoa(telegramUserID)
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for _, value := range telegramConfiguredUserIDs(cfg["admin_user_ids"]) {
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if value == target {
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return true
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}
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}
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if strings.TrimSpace(cfg["admin_user_ids"]) == "" && strings.TrimSpace(cfg["chat_id"]) == target {
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return true
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}
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return false
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}
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func (s *TelegramBotService) telegramChannelConfig(channel *model.NotifyChannel) map[string]string {
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return telegramConfigFromChannel(s.crypto, channel)
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}
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func telegramConfigFromChannel(crypto *CryptoService, channel *model.NotifyChannel) map[string]string {
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if channel == nil {
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return map[string]string{}
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}
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configStr := channel.Config
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if crypto != nil && configStr != "" {
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configStr = crypto.Decrypt(configStr)
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}
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var cfg map[string]string
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if err := json.Unmarshal([]byte(configStr), &cfg); err != nil || cfg == nil {
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return map[string]string{}
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}
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normalizeTelegramConfig(cfg)
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return cfg
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}
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func normalizeTelegramConfig(cfg map[string]string) {
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if cfg == nil {
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return
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}
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chatID := strings.TrimSpace(cfg["chat_id"])
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if chatID == "" {
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return
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}
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if strings.HasPrefix(chatID, "-") {
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if strings.TrimSpace(cfg["group_chat_id"]) == "" && strings.TrimSpace(cfg["channel_chat_id"]) == "" && strings.TrimSpace(cfg["command_chat_id"]) == "" {
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cfg["group_chat_id"] = chatID
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}
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return
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}
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if strings.TrimSpace(cfg["admin_user_ids"]) == "" {
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cfg["admin_user_ids"] = chatID
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}
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}
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func (s *TelegramBotService) upsertTelegramBinding(ctx context.Context, msg *TelegramMessage, userID string) error {
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name := strings.TrimSpace(msg.From.FirstName)
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if msg.From.Username != "" {
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name = "@" + strings.TrimSpace(msg.From.Username)
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}
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telegramUserID := int64(msg.From.ID)
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return s.repo.DB.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
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var existing model.TelegramBinding
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err := tx.Where("telegram_user_id = ?", telegramUserID).First(&existing).Error
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if err == nil {
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if err := s.replaceTelegramAccountBindingTx(ctx, tx, userID, telegramUserID); err != nil {
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return err
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}
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if err := tx.Model(&existing).Updates(map[string]any{
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"telegram_name": name,
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"chat_id": telegramBindingChatIDForMessage(msg, &existing),
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"user_id": userID,
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}).Error; telegramBindingUniqueErr(err) {
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return errTelegramAccountAlreadyBound
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} else if err != nil {
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return err
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}
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return nil
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}
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if err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
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return err
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}
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if err := tx.Unscoped().Where("telegram_user_id = ?", telegramUserID).Delete(&model.TelegramBinding{}).Error; err != nil {
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return err
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}
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if err := s.replaceTelegramAccountBindingTx(ctx, tx, userID, telegramUserID); err != nil {
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return err
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}
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err = tx.Create(&model.TelegramBinding{
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TelegramUserID: telegramUserID,
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TelegramName: name,
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ChatID: telegramBindingChatIDForMessage(msg, nil),
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UserID: userID,
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}).Error
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if telegramBindingUniqueErr(err) {
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return errTelegramAccountAlreadyBound
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}
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return err
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})
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}
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func telegramBindingChatIDForMessage(msg *TelegramMessage, existing *model.TelegramBinding) int64 {
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if msg == nil {
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if existing != nil {
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return existing.ChatID
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}
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return 0
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}
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if msg.Chat.Type == "" || msg.Chat.Type == "private" {
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return int64(msg.Chat.ID)
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}
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if existing != nil && existing.ChatID > 0 {
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return existing.ChatID
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}
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return int64(msg.From.ID)
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}
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func telegramPrivateChatIDFromBinding(binding model.TelegramBinding) int64 {
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if binding.ChatID > 0 {
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return binding.ChatID
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}
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return binding.TelegramUserID
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}
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func (s *TelegramBotService) replaceTelegramAccountBindingTx(ctx context.Context, tx *gorm.DB, userID string, telegramUserID int64) error {
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return tx.WithContext(ctx).Unscoped().
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Where("user_id = ? AND telegram_user_id <> ?", userID, telegramUserID).
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Delete(&model.TelegramBinding{}).Error
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}
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func telegramBindingUniqueErr(err error) bool {
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if err == nil {
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return false
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}
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msg := strings.ToLower(err.Error())
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return strings.Contains(msg, "idx_telegram_bindings_user_id_active") ||
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strings.Contains(msg, "telegram_bindings.user_id") ||
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(strings.Contains(msg, "unique") && strings.Contains(msg, "telegram_bindings"))
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}
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func parseStartCredentials(args []string) (string, string) {
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if len(args) >= 2 {
|
||
return strings.TrimSpace(args[0]), strings.TrimSpace(strings.Join(args[1:], " "))
|
||
}
|
||
if len(args) == 1 {
|
||
raw := strings.TrimSpace(args[0])
|
||
for _, sep := range []string{"-", "：", ":"} {
|
||
if parts := strings.SplitN(raw, sep, 2); len(parts) == 2 {
|
||
return strings.TrimSpace(parts[0]), strings.TrimSpace(parts[1])
|
||
}
|
||
}
|
||
}
|
||
return "", ""
|
||
}
|
||
|
||
func userNameOrFallback(user *model.User) string {
|
||
if user == nil || strings.TrimSpace(user.Username) == "" {
|
||
return "未知用户"
|
||
}
|
||
return user.Username
|
||
}
|