chore: refresh gramsrv public release
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parent
75cebe8dbf
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70b6820474
1274 changed files with 378751 additions and 59919 deletions
645
internal/app/bots/service.go
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645
internal/app/bots/service.go
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// Package bots 实现 bot 账号业务：BotFather 对话状态机、bot 创建、token 管理与
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// botInfo 查询。bot 登录（auth.importBotAuthorization）在 app/auth 经 store.BotStore
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// 直接校验 token，不依赖本包。
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package bots
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import (
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"context"
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"crypto/rand"
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"fmt"
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"net/url"
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"strings"
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"sync"
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"sync/atomic"
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"time"
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"unicode/utf8"
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"go.uber.org/zap"
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"telesrv/internal/domain"
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"telesrv/internal/store"
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)
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// blockChecker 报告 userID 是否 block 了 blockedUserID（store.ContactStore 子集）。
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type blockChecker interface {
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IsBlocked(ctx context.Context, userID, blockedUserID int64) (bool, error)
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}
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type publicChannelUsernameResolver interface {
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ResolvePublicChannelUsername(ctx context.Context, viewerUserID int64, username string) (domain.Channel, bool, error)
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}
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// RouterHooks 是 rpc 层回调（router 创建后经 SetRouterHooks 延迟注入，打破
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// router↔bots 的构造循环；两个能力都依赖 tg.*/连接层边界，不能在 app 层实现）：
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// - RevokeBotSessions：token revoke 后撤销 bot 的全部已登录 session（删
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// authorization + 强制断连）。
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// - PushBotCommandsChanged：命令变更后给在线相关用户推 updateBotCommands
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// （无 pts 的 ephemeral update，离线用户靠 bot_info_version bump 兜底）。
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type RouterHooks interface {
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RevokeBotSessions(ctx context.Context, botUserID int64) error
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PushBotCommandsChanged(ctx context.Context, botUserID int64, commands []domain.BotCommand)
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}
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// replyLockStripes 是回复串行化条带数：同一用户的 BotFather 回复落同一条带、
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// 串行执行（状态机 RMW 原子 + 回复保序），不同用户并发；固定大小不随用户数增长。
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const replyLockStripes = 256
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// Service 提供 bot 账号业务。
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type Service struct {
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users store.UserStore
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bots store.BotStore
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messages store.MessageStore
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blocker blockChecker
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channels publicChannelUsernameResolver
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hooks RouterHooks
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userCache store.UserCache
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cache *botProfileCache
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log *zap.Logger
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now func() time.Time
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// replySeq 是回复 randomID 在 crypto/rand 失败时的兜底单调序列。
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replySeq atomic.Int64
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replyLocks [replyLockStripes]sync.Mutex
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}
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// Option 调整 bots 服务的可选依赖。
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type Option func(*Service)
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// WithLogger 注入日志器（缺省 zap.NewNop）。
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func WithLogger(log *zap.Logger) Option {
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return func(s *Service) {
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if log != nil {
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s.log = log
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}
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}
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}
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// WithNow 注入时钟（测试用）。
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func WithNow(now func() time.Time) Option {
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return func(s *Service) {
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if now != nil {
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s.now = now
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}
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}
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}
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// WithBlockChecker 注入 block 关系查询：BotFather 回复前据此设置 RecipientBlocked，
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// 用户 block 掉 BotFather 后不再向其收件箱投递（对齐 rpc 发送路径语义）。
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func WithBlockChecker(c blockChecker) Option {
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return func(s *Service) {
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if c != nil {
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s.blocker = c
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}
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}
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}
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// WithPublicChannelUsernameResolver 注入公开频道 username 查询能力，用于 bot
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// username 预检，避免 bot 与 public channel 产生同名可见入口。
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func WithPublicChannelUsernameResolver(c publicChannelUsernameResolver) Option {
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return func(s *Service) {
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if c != nil {
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s.channels = c
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}
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}
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}
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// WithUserCache 注入 users 基础资料缓存：bot 元数据写入（first_name/about/
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// bot_info_version bump）后必须失效该 bot 的缓存条目，否则 TTL 内 getUsers
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// 返回旧 first_name 与旧 bot_info_version——version bump 被缓存遮蔽，客户端
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// 感知不到变更、不会重拉 getFullUser。
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func WithUserCache(c store.UserCache) Option {
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return func(s *Service) {
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if c != nil {
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s.userCache = c
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}
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}
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}
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// invalidateUserCache 在 bot 的 users 行变更（含 version bump）后清缓存。
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// 失效失败只记日志：缓存最长 TTL 后自愈，不阻塞写路径。
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func (s *Service) invalidateUserCache(ctx context.Context, botUserID int64) {
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if s.userCache == nil {
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return
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}
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if err := s.userCache.Delete(ctx, []int64{botUserID}); err != nil {
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s.log.Warn("invalidate bot user cache", zap.Int64("bot_user_id", botUserID), zap.Error(err))
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}
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}
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func (s *Service) invalidateBotProfileCache(botUserID int64) {
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if s.cache != nil {
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s.cache.delete(botUserID)
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}
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}
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func (s *Service) invalidateBotReadCaches(ctx context.Context, botUserID int64) {
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s.invalidateBotProfileCache(botUserID)
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s.invalidateUserCache(ctx, botUserID)
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}
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// InvalidateBotProfileReadModel 供 ReadModelChangeListener 在 user_base 事件(bot 写会
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// bump bot_info_version)时跨实例失效本进程 bot 资料缓存。
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func (s *Service) InvalidateBotProfileReadModel(userID int64) {
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if s == nil {
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return
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}
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s.invalidateBotProfileCache(userID)
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}
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// FlushBotProfileReadModel 供 listener 重连时整表 flush，兜住断连窗口内丢失的 user_base 通知。
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func (s *Service) FlushBotProfileReadModel() {
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if s == nil || s.cache == nil {
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return
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}
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s.cache.flush()
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}
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// SetRouterHooks 注入 rpc 层回调（router 创建后装配，与 P1 的
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// SetLifecycleObserver 同款延迟注入）。
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func (s *Service) SetRouterHooks(h RouterHooks) {
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if s != nil {
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s.hooks = h
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}
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}
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// NewService 创建 bots 服务。
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func NewService(users store.UserStore, bots store.BotStore, messages store.MessageStore, opts ...Option) *Service {
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s := &Service{
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users: users,
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bots: bots,
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messages: messages,
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cache: newBotProfileCache(botProfileCacheMaxEntries, botProfileCacheTTL),
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log: zap.NewNop(),
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now: time.Now,
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}
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for _, opt := range opts {
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opt(s)
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}
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return s
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}
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func (s *Service) botProfile(ctx context.Context, botUserID int64) (domain.BotProfile, bool, error) {
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if s == nil || s.bots == nil || botUserID == 0 {
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return domain.BotProfile{}, false, nil
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}
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if s.cache != nil {
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return s.cache.getOrLoad(ctx, botUserID, func() (domain.BotProfile, bool, error) {
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return s.bots.GetBot(ctx, botUserID)
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})
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}
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return s.bots.GetBot(ctx, botUserID)
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}
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func (s *Service) botProfiles(ctx context.Context, botUserIDs []int64) (map[int64]domain.BotProfile, error) {
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if s == nil || s.bots == nil || len(botUserIDs) == 0 {
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return nil, nil
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}
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ids := uniqueBotUserIDs(botUserIDs)
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if len(ids) == 0 {
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return nil, nil
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}
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if s.cache == nil {
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return s.loadBotProfiles(ctx, ids)
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}
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return s.cache.getMany(ctx, ids, s.loadBotProfiles)
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}
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func (s *Service) loadBotProfiles(ctx context.Context, botUserIDs []int64) (map[int64]domain.BotProfile, error) {
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if batch, ok := s.bots.(botBatchStore); ok {
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return batch.GetBots(ctx, botUserIDs)
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}
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out := make(map[int64]domain.BotProfile)
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for _, id := range uniqueBotUserIDs(botUserIDs) {
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profile, found, err := s.bots.GetBot(ctx, id)
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if err != nil {
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return nil, err
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}
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if found {
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out[id] = profile
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}
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}
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return out, nil
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}
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// BotInfo 返回 bot 的元数据（userFull.bot_info hydrate 用）。
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func (s *Service) BotInfo(ctx context.Context, botUserID int64) (domain.BotProfile, bool, error) {
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return s.botProfile(ctx, botUserID)
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}
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type botBatchStore interface {
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GetBots(ctx context.Context, botUserIDs []int64) (map[int64]domain.BotProfile, error)
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}
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// BotInfos 批量返回 bot 元数据，供频道 full info / participants 这类高频富化路径避免逐 bot 点查。
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func (s *Service) BotInfos(ctx context.Context, botUserIDs []int64) (map[int64]domain.BotProfile, error) {
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return s.botProfiles(ctx, botUserIDs)
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}
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func uniqueBotUserIDs(ids []int64) []int64 {
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if len(ids) == 0 {
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return nil
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}
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seen := make(map[int64]struct{}, len(ids))
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out := make([]int64, 0, len(ids))
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for _, id := range ids {
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if id == 0 {
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continue
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}
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if _, ok := seen[id]; ok {
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continue
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}
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seen[id] = struct{}{}
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out = append(out, id)
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}
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return out
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}
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// CheckUsername 校验 bot username 语法与全局可见入口占用（users + public channels）。
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func (s *Service) CheckUsername(ctx context.Context, ownerUserID int64, username string) (bool, error) {
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if s == nil || s.users == nil || ownerUserID == 0 {
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return false, domain.ErrBotUsernameInvalid
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}
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username = strings.TrimSpace(strings.TrimPrefix(username, "@"))
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if !domain.ValidBotUsername(username) {
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return false, domain.ErrBotUsernameInvalid
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}
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if _, found, err := s.users.ByUsername(ctx, username); err != nil {
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return false, err
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} else if found {
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return false, nil
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}
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if s.channels != nil {
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if _, found, err := s.channels.ResolvePublicChannelUsername(ctx, ownerUserID, username); err != nil {
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return false, err
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} else if found {
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return false, nil
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}
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}
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return true, nil
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}
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// CreateBot 创建一个新 bot 账号：users 行（is_bot, bot_info_version=1, 无 phone）+
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// bots 行（owner、token）。返回新账号与完整 token（唯一一次返回明文的途径之一）。
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func (s *Service) CreateBot(ctx context.Context, ownerUserID int64, name, username string) (domain.User, string, error) {
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if s == nil || s.users == nil || s.bots == nil || ownerUserID == 0 {
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return domain.User{}, "", domain.ErrBotNameInvalid
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}
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name = strings.TrimSpace(name)
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if name == "" || utf8.RuneCountInString(name) > domain.MaxBotNameLength {
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return domain.User{}, "", domain.ErrBotNameInvalid
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}
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username = strings.TrimSpace(strings.TrimPrefix(username, "@"))
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if !domain.ValidBotUsername(username) {
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return domain.User{}, "", domain.ErrBotUsernameInvalid
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}
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ok, err := s.CheckUsername(ctx, ownerUserID, username)
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if err != nil {
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return domain.User{}, "", err
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}
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if !ok {
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return domain.User{}, "", domain.ErrUsernameOccupied
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}
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count, err := s.bots.CountBotsByOwner(ctx, ownerUserID)
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if err != nil {
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return domain.User{}, "", err
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}
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if count >= domain.MaxBotsPerOwner {
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return domain.User{}, "", domain.ErrBotsTooMany
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}
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accessHash, err := randomInt64()
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if err != nil {
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return domain.User{}, "", err
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}
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secret, err := randomTokenSecret()
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if err != nil {
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return domain.User{}, "", err
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}
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u, profile, err := s.bots.CreateBotAccount(ctx, domain.User{
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AccessHash: accessHash,
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FirstName: name,
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Username: username,
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Bot: true,
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BotInfoVersion: 1,
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}, domain.BotProfile{
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OwnerUserID: ownerUserID,
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TokenSecret: secret,
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})
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if err != nil {
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return domain.User{}, "", err
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}
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if s.cache != nil {
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s.cache.put(u.ID, profile, true)
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}
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return u, domain.FormatBotToken(u.ID, secret), nil
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}
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// ListOwnedBots 返回当前 owner 管理的 bot 用户列表（排除 BotFather 种子）。
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func (s *Service) ListOwnedBots(ctx context.Context, ownerUserID int64) ([]domain.User, error) {
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owned, err := s.ownedBots(ctx, ownerUserID)
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if err != nil {
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return nil, err
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}
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out := make([]domain.User, 0, len(owned))
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for _, item := range owned {
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out = append(out, item.user)
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}
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return out, nil
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}
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// ExportBotToken 返回 bot token；revoke=true 时先轮换 secret 并撤销已登录 session。
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func (s *Service) ExportBotToken(ctx context.Context, ownerUserID, botUserID int64, revoke bool) (string, error) {
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if revoke {
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return s.RevokeBotToken(ctx, ownerUserID, botUserID)
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}
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profile, found, err := s.botProfile(ctx, botUserID)
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if err != nil {
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return "", err
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}
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if !found || profile.OwnerUserID != ownerUserID || botUserID == domain.BotFatherUserID || profile.TokenSecret == "" {
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return "", domain.ErrBotNotFound
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}
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return domain.FormatBotToken(botUserID, profile.TokenSecret), nil
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}
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// RevokeBotToken 生成新 token 随机段并落库；旧 token 立即不可登录，并踢掉所有
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// 已凭旧 token 登录的 session（经注入的 SessionRevoker）。
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func (s *Service) RevokeBotToken(ctx context.Context, ownerUserID, botUserID int64) (string, error) {
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profile, found, err := s.botProfile(ctx, botUserID)
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if err != nil {
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return "", err
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}
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if !found || profile.OwnerUserID != ownerUserID || botUserID == domain.BotFatherUserID {
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return "", domain.ErrBotNotFound
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}
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secret, err := randomTokenSecret()
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if err != nil {
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return "", err
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}
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if err := s.bots.UpdateBotTokenSecret(ctx, botUserID, secret); err != nil {
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return "", err
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}
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s.invalidateBotProfileCache(botUserID)
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token := domain.FormatBotToken(botUserID, secret)
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// 撤销已登录 session：旧 token 已不可重新登录，但已建立的连接仍持有 auth_key，
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// 必须主动失效（删 authorization + 断连），否则旧持有者继续以 bot 身份操作。
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// secret 已轮换不可回滚，故失败时仍返回新 token，但透出 ErrBotSessionsNotRevoked
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// 让调用方诚实告知用户「需重试以确保旧 session 终止」，绝不谎称已止血。
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if s.hooks != nil {
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if err := s.hooks.RevokeBotSessions(ctx, botUserID); err != nil {
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s.log.Warn("revoke bot sessions", zap.Int64("bot_user_id", botUserID), zap.Error(err))
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return token, domain.ErrBotSessionsNotRevoked
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}
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}
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return token, nil
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}
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// SetBotCommands 覆盖式写入 bot 的 default scope 命令（bots.setBotCommands /
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// BotFather /setcommands 共用收口）。校验命令名/描述/数量；写库（含 version bump）
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// 成功后给在线相关用户推 updateBotCommands。返回 bump 后的 bot_info_version。
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func (s *Service) SetBotCommands(ctx context.Context, botUserID int64, commands []domain.BotCommand) (int, error) {
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if len(commands) > domain.MaxBotCommands {
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return 0, domain.ErrBotCommandInvalid
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}
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clean := make([]domain.BotCommand, 0, len(commands))
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for _, c := range commands {
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cmd := strings.ToLower(strings.TrimSpace(strings.TrimPrefix(c.Command, "/")))
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desc := strings.TrimSpace(c.Description)
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if !domain.ValidBotCommandName(cmd) || desc == "" || len(desc) > domain.MaxBotCommandDescriptionLen {
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return 0, domain.ErrBotCommandInvalid
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}
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clean = append(clean, domain.BotCommand{Command: cmd, Description: desc})
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}
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// 同值短路：bot 框架启动时普遍无条件重发相同命令集，跳过可避免无意义的
|
||||
// bot_info_version bump（驱动全体客户端多打一轮 getFullUser）与多余推送。
|
||||
// 非原子（读后他写不影响正确性：要么对方已 bump、要么我们多 bump 一次）。
|
||||
cur, found, err := s.botProfile(ctx, botUserID)
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
if !found {
|
||||
return 0, domain.ErrBotNotFound
|
||||
}
|
||||
if botCommandsEqual(cur.Commands, clean) {
|
||||
return 0, nil // 无变更；调用方忽略返回的 version
|
||||
}
|
||||
version, err := s.bots.UpdateBotCommands(ctx, botUserID, clean)
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
s.invalidateBotReadCaches(ctx, botUserID)
|
||||
if s.hooks != nil {
|
||||
s.hooks.PushBotCommandsChanged(ctx, botUserID, clean)
|
||||
}
|
||||
return version, nil
|
||||
}
|
||||
|
||||
func botCommandsEqual(a, b []domain.BotCommand) bool {
|
||||
if len(a) != len(b) {
|
||||
return false
|
||||
}
|
||||
for i := range a {
|
||||
if a[i].Command != b[i].Command || a[i].Description != b[i].Description {
|
||||
return false
|
||||
}
|
||||
}
|
||||
return true
|
||||
}
|
||||
|
||||
// GetBotCommands 返回 bot 的 default scope 命令。
|
||||
func (s *Service) GetBotCommands(ctx context.Context, botUserID int64) ([]domain.BotCommand, error) {
|
||||
profile, found, err := s.botProfile(ctx, botUserID)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if !found {
|
||||
return nil, domain.ErrBotNotFound
|
||||
}
|
||||
return profile.Commands, nil
|
||||
}
|
||||
|
||||
// SetBotInfo 更新 bot 的 name（users.first_name）/about（users.about）/description
|
||||
// （bots.description），返回 bump 后的 bot_info_version。
|
||||
func (s *Service) SetBotInfo(ctx context.Context, botUserID int64, upd domain.BotInfoUpdate) (int, error) {
|
||||
if upd.SetName {
|
||||
upd.Name = strings.TrimSpace(upd.Name)
|
||||
if upd.Name == "" || utf8.RuneCountInString(upd.Name) > domain.MaxBotNameLength {
|
||||
return 0, domain.ErrBotInfoInvalid
|
||||
}
|
||||
}
|
||||
if upd.SetAbout && utf8.RuneCountInString(upd.About) > domain.MaxBotAboutLen {
|
||||
return 0, domain.ErrBotInfoInvalid
|
||||
}
|
||||
if upd.SetDescription && utf8.RuneCountInString(upd.Description) > domain.MaxBotDescriptionLen {
|
||||
return 0, domain.ErrBotInfoInvalid
|
||||
}
|
||||
if !upd.SetName && !upd.SetAbout && !upd.SetDescription {
|
||||
return 0, domain.ErrBotInfoInvalid
|
||||
}
|
||||
version, err := s.bots.UpdateBotInfo(ctx, botUserID, upd)
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
s.invalidateBotReadCaches(ctx, botUserID)
|
||||
return version, nil
|
||||
}
|
||||
|
||||
// GetBotInfo 返回 bot 的 name/about/description（name=users.first_name、
|
||||
// about=users.about、description=bots.description）。
|
||||
func (s *Service) GetBotInfo(ctx context.Context, botUserID int64) (name, about, description string, err error) {
|
||||
profile, found, err := s.botProfile(ctx, botUserID)
|
||||
if err != nil {
|
||||
return "", "", "", err
|
||||
}
|
||||
if !found {
|
||||
return "", "", "", domain.ErrBotNotFound
|
||||
}
|
||||
u, found, err := s.users.ByID(ctx, botUserID)
|
||||
if err != nil {
|
||||
return "", "", "", err
|
||||
}
|
||||
if !found {
|
||||
return "", "", "", domain.ErrBotNotFound
|
||||
}
|
||||
return u.FirstName, u.About, profile.Description, nil
|
||||
}
|
||||
|
||||
// SetBotMenuButton 设置 bot 的 menu button（per-bot 全局），返回新 bot_info_version。
|
||||
func (s *Service) SetBotMenuButton(ctx context.Context, botUserID int64, button domain.BotMenuButton) (int, error) {
|
||||
switch button.Type {
|
||||
case domain.BotMenuButtonDefault, domain.BotMenuButtonCommands:
|
||||
button.Text, button.URL = "", ""
|
||||
case domain.BotMenuButtonWebView:
|
||||
button.Text = strings.TrimSpace(button.Text)
|
||||
button.URL = strings.TrimSpace(button.URL)
|
||||
if button.Text == "" || len(button.Text) > domain.MaxBotMenuButtonTextLen ||
|
||||
button.URL == "" || len(button.URL) > domain.MaxBotMenuButtonURLLen {
|
||||
return 0, domain.ErrBotMenuButtonInvalid
|
||||
}
|
||||
// 强制 https（对齐官方 BUTTON_URL_INVALID）：menu button URL 经
|
||||
// userFull.bot_info.menu_button 下发给所有交互用户的客户端 webview 入口，
|
||||
// 拒绝 javascript:/file:/intent: 等非 https scheme，防 bot 投毒。
|
||||
if u, err := url.Parse(button.URL); err != nil || u.Scheme != "https" || u.Host == "" {
|
||||
return 0, domain.ErrBotMenuButtonInvalid
|
||||
}
|
||||
default:
|
||||
return 0, domain.ErrBotMenuButtonInvalid
|
||||
}
|
||||
version, err := s.bots.UpdateBotMenuButton(ctx, botUserID, button)
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
if button.Type == domain.BotMenuButtonWebView {
|
||||
if _, _, err := s.EnsureMenuBotApp(ctx, botUserID, button); err != nil {
|
||||
return 0, err
|
||||
}
|
||||
}
|
||||
s.invalidateBotReadCaches(ctx, botUserID)
|
||||
return version, nil
|
||||
}
|
||||
|
||||
// GetBotMenuButton 返回 bot 的 menu button。
|
||||
func (s *Service) GetBotMenuButton(ctx context.Context, botUserID int64) (domain.BotMenuButton, error) {
|
||||
profile, found, err := s.botProfile(ctx, botUserID)
|
||||
if err != nil {
|
||||
return domain.BotMenuButton{}, err
|
||||
}
|
||||
if !found {
|
||||
return domain.BotMenuButton{}, domain.ErrBotNotFound
|
||||
}
|
||||
return profile.MenuButton, nil
|
||||
}
|
||||
|
||||
// SetInlinePlaceholder 设置 inline mode placeholder；空字符串表示关闭 inline mode。
|
||||
func (s *Service) SetInlinePlaceholder(ctx context.Context, botUserID int64, placeholder string) (int, error) {
|
||||
placeholder = strings.TrimSpace(placeholder)
|
||||
if utf8.RuneCountInString(placeholder) > domain.MaxBotInlinePlaceholderLen {
|
||||
return 0, domain.ErrBotInlinePlaceholderInvalid
|
||||
}
|
||||
version, err := s.bots.SetBotInlinePlaceholder(ctx, botUserID, placeholder)
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
s.invalidateBotReadCaches(ctx, botUserID)
|
||||
return version, nil
|
||||
}
|
||||
|
||||
// SetInlineGeo 设置 bot 是否可在 inline query 中接收用户位置。
|
||||
func (s *Service) SetInlineGeo(ctx context.Context, botUserID int64, enabled bool) (int, error) {
|
||||
version, err := s.bots.SetBotInlineGeo(ctx, botUserID, enabled)
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
s.invalidateBotReadCaches(ctx, botUserID)
|
||||
return version, nil
|
||||
}
|
||||
|
||||
// SetJoinGroups 设置 bot 能否被加入群组（allow=true → bot_nochats=false）。
|
||||
func (s *Service) SetJoinGroups(ctx context.Context, botUserID int64, allow bool) (int, error) {
|
||||
version, err := s.bots.SetBotNochats(ctx, botUserID, !allow)
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
s.invalidateBotReadCaches(ctx, botUserID)
|
||||
return version, nil
|
||||
}
|
||||
|
||||
// SetPrivacy 设置 bot 群内 privacy mode（enabled=true 隐私模式开 → bot_chat_history=false，
|
||||
// 即 bot 只看命令/回复；enabled=false → 关闭隐私 → bot_chat_history=true，能看全部消息）。
|
||||
func (s *Service) SetPrivacy(ctx context.Context, botUserID int64, enabled bool) (int, error) {
|
||||
version, err := s.bots.SetBotChatHistory(ctx, botUserID, !enabled)
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
s.invalidateBotReadCaches(ctx, botUserID)
|
||||
return version, nil
|
||||
}
|
||||
|
||||
// CanSendMessage reports whether botUserID has explicit permission to initiate
|
||||
// direct messages with userID.
|
||||
func (s *Service) CanSendMessage(ctx context.Context, userID, botUserID int64) (bool, error) {
|
||||
if s == nil || s.bots == nil || userID == 0 || botUserID == 0 || userID == botUserID {
|
||||
return false, nil
|
||||
}
|
||||
return s.bots.CanBotSendMessage(ctx, botUserID, userID)
|
||||
}
|
||||
|
||||
// AllowSendMessage records an explicit user grant for botUserID to message userID.
|
||||
func (s *Service) AllowSendMessage(ctx context.Context, userID, botUserID int64, fromRequest bool) (bool, error) {
|
||||
if s == nil || s.bots == nil || userID == 0 || botUserID == 0 || userID == botUserID {
|
||||
return false, domain.ErrBotNotFound
|
||||
}
|
||||
return s.bots.AllowBotSendMessage(ctx, botUserID, userID, fromRequest)
|
||||
}
|
||||
|
||||
// OwnsBot 报告 ownerUserID 是否为 botUserID 的 owner（非 BotFather 自身）。
|
||||
func (s *Service) OwnsBot(ctx context.Context, ownerUserID, botUserID int64) (bool, error) {
|
||||
profile, found, err := s.botProfile(ctx, botUserID)
|
||||
if err != nil {
|
||||
return false, err
|
||||
}
|
||||
return found && profile.OwnerUserID == ownerUserID && botUserID != domain.BotFatherUserID, nil
|
||||
}
|
||||
|
||||
// tokenSecretAlphabet 对齐官方 token 随机段字符集。
|
||||
const tokenSecretAlphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_-"
|
||||
|
||||
func randomTokenSecret() (string, error) {
|
||||
raw := make([]byte, domain.BotTokenSecretLength)
|
||||
if _, err := rand.Read(raw); err != nil {
|
||||
return "", fmt.Errorf("rand: %w", err)
|
||||
}
|
||||
out := make([]byte, len(raw))
|
||||
for i, b := range raw {
|
||||
out[i] = tokenSecretAlphabet[int(b)%len(tokenSecretAlphabet)]
|
||||
}
|
||||
return string(out), nil
|
||||
}
|
||||
|
||||
func randomInt64() (int64, error) {
|
||||
var b [8]byte
|
||||
if _, err := rand.Read(b[:]); err != nil {
|
||||
return 0, fmt.Errorf("rand: %w", err)
|
||||
}
|
||||
v := int64(uint64(b[0])<<56 | uint64(b[1])<<48 | uint64(b[2])<<40 | uint64(b[3])<<32 |
|
||||
uint64(b[4])<<24 | uint64(b[5])<<16 | uint64(b[6])<<8 | uint64(b[7]))
|
||||
return v, nil
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue