chore: refresh gramsrv public release
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1274 changed files with 378751 additions and 59919 deletions
275
internal/rpc/phone_calls.go
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275
internal/rpc/phone_calls.go
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package rpc
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import (
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"context"
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"errors"
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"github.com/gotd/td/tg"
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appphone "telesrv/internal/app/phone"
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"telesrv/internal/domain"
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)
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// 私聊 1:1 通话 RPC handler。状态机与密钥材料归 app/phone；本文件只做
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// 鉴权、入参校验、隐私/拉黑闸门、推送编排与 TL 转换。
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// 推送策略总表与硬契约见设计文档；标 ⚠ 的注释是对抗评审定下的修正，勿改回。
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// phoneCallErr 把 app/phone 业务错误映射为 RPC_ERROR。
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func phoneCallErr(err error) error {
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switch {
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case errors.Is(err, appphone.ErrPeerInvalid):
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return callPeerInvalidErr()
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case errors.Is(err, appphone.ErrAlreadyAccepted):
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return callAlreadyAcceptedErr()
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case errors.Is(err, appphone.ErrAlreadyDeclined):
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return callAlreadyDeclinedErr()
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case errors.Is(err, appphone.ErrOccupyFailed):
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return callOccupyFailedErr()
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case errors.Is(err, appphone.ErrProtocolLayerInvalid):
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return callProtocolLayerInvalidErr()
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case errors.Is(err, appphone.ErrProtocolCompatLayerInvalid):
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return callProtocolCompatLayerInvalidErr()
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case errors.Is(err, appphone.ErrProtocolFlagsInvalid):
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return callProtocolFlagsInvalidErr()
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default:
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return internalErr()
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}
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}
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// phoneRequireUser 是 phone.* 的统一登录闸门。
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func (r *Router) phoneRequireUser(ctx context.Context) (int64, error) {
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userID, ok, err := r.currentUserID(ctx)
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if err != nil {
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return 0, internalErr()
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}
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if !ok {
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return 0, authKeyUnregisteredErr()
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}
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return userID, nil
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}
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func sessionRefFrom(ctx context.Context) domain.SessionRef {
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ref := domain.SessionRef{}
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if raw, ok := RawAuthKeyIDFrom(ctx); ok {
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ref.RawAuthKeyID = raw
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}
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if sid, ok := SessionIDFrom(ctx); ok {
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ref.SessionID = sid
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}
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return ref
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}
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func (r *Router) onPhoneRequestCall(ctx context.Context, req *tg.PhoneRequestCallRequest) (*tg.PhonePhoneCall, error) {
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if req == nil {
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return nil, inputRequestInvalidErr()
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}
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if r.deps.Phone == nil || r.deps.Users == nil {
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return nil, notImplementedErr()
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}
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callerID, err := r.phoneRequireUser(ctx)
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if err != nil {
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return nil, err
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}
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callee, found, err := r.userFromInput(ctx, callerID, req.UserID)
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if err != nil {
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return nil, internalErr()
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}
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// 自呼 / bot / 不存在统一 USER_ID_INVALID。
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if !found || callee.ID == 0 || callee.ID == callerID || callee.Bot {
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return nil, userIDInvalidErr()
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}
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if blocked, err := r.peerBlocksUser(ctx, callerID, callee.ID); err != nil {
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return nil, err
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} else if blocked {
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return nil, userIsBlockedErr()
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}
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if r.deps.Privacy != nil {
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allowed, err := r.deps.Privacy.CanSee(ctx, callee.ID, callerID, domain.PrivacyKeyPhoneCall)
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if err != nil {
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return nil, internalErr()
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}
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if !allowed {
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return nil, userPrivacyRestrictedErr()
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}
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}
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call, err := r.deps.Phone.RequestCall(ctx, callerID, domain.PhoneCallRequest{
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CalleeID: callee.ID,
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RandomID: int64(req.RandomID),
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GAHash: req.GAHash,
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Video: req.Video,
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Protocol: phoneCallProtocolFromTL(req.Protocol),
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CallerDevice: sessionRefFrom(ctx),
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PrivacyP2P: r.phoneCallPrivacyP2P(ctx, callerID, callee.ID),
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Connections: r.phoneCallConnections(callerID),
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})
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if err != nil {
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return nil, phoneCallErr(err)
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}
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// 推被叫全部在线设备。sent==0（被叫全离线）不报错：主叫客户端按
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// callReceiveTimeoutMs(20s) 自行超时 discard(missed)，服务端兜底超时收尾。
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r.pushPhoneCall(ctx, call.ParticipantID, call, "phone call requested")
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return &tg.PhonePhoneCall{
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PhoneCall: tgPhoneCallForViewer(call, callerID),
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Users: r.tgUsersForIDs(ctx, callerID, []int64{call.AdminID, call.ParticipantID}),
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}, nil
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}
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func (r *Router) onPhoneReceivedCall(ctx context.Context, peer tg.InputPhoneCall) (bool, error) {
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if r.deps.Phone == nil {
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return false, notImplementedErr()
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}
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userID, err := r.phoneRequireUser(ctx)
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if err != nil {
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return false, err
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}
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call, transitioned, err := r.deps.Phone.ReceivedCall(ctx, userID, peer.ID, peer.AccessHash)
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if err != nil {
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// 终态晚到的 receivedCall 无害：宽容返回 true（多设备竞态常见）。
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if errors.Is(err, appphone.ErrPeerInvalid) {
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if _, found := r.deps.Phone.Lookup(ctx, peer.ID, peer.AccessHash); found {
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return true, nil
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}
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}
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return false, phoneCallErr(err)
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}
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if transitioned {
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// ⚠ P1-2：receiveDate 推送必须在 P1 就位。主叫只有收到带 receive_date 的
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// phoneCallWaiting 才会把 20s receive 定时器换成 90s ring 定时器。
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r.pushPhoneCall(ctx, call.AdminID, call, "phone call ringing")
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}
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return true, nil
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}
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func (r *Router) onPhoneAcceptCall(ctx context.Context, req *tg.PhoneAcceptCallRequest) (*tg.PhonePhoneCall, error) {
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if req == nil {
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return nil, inputRequestInvalidErr()
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}
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if r.deps.Phone == nil {
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return nil, notImplementedErr()
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}
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userID, err := r.phoneRequireUser(ctx)
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if err != nil {
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return nil, err
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}
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call, err := r.deps.Phone.AcceptCall(ctx, userID, req.Peer.ID, req.Peer.AccessHash,
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req.GB, phoneCallProtocolFromTL(req.Protocol), sessionRefFrom(ctx))
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if err != nil {
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return nil, phoneCallErr(err)
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}
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// 推主叫全部设备：phoneCallAccepted{g_b, 协商 protocol}，主叫据此算 AuthKey 并 confirm。
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r.pushPhoneCall(ctx, call.AdminID, call, "phone call accepted")
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// ⚠ P0-1：被叫其它设备推合成 phoneCallDiscarded 停振铃（ctx except 排除接听设备）。
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// 绝不能推 phoneCallAccepted——incoming 侧收到 accepted 会 finish(Failed) 回发
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// discardCall（TDesktop）/按主叫流程发 confirmCall（DrKLO），杀死刚建立的通话。
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r.pushPhoneCallStopRinging(ctx, call)
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return &tg.PhonePhoneCall{
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PhoneCall: tgPhoneCallForViewer(call, userID), // 被叫视角：phoneCallWaiting，等 confirm
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Users: r.tgUsersForIDs(ctx, userID, []int64{call.AdminID, call.ParticipantID}),
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}, nil
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}
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func (r *Router) onPhoneConfirmCall(ctx context.Context, req *tg.PhoneConfirmCallRequest) (*tg.PhonePhoneCall, error) {
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if req == nil {
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return nil, inputRequestInvalidErr()
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}
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if r.deps.Phone == nil {
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return nil, notImplementedErr()
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}
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userID, err := r.phoneRequireUser(ctx)
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if err != nil {
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return nil, err
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}
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call, forcedDiscard, err := r.deps.Phone.ConfirmCall(ctx, userID, req.Peer.ID, req.Peer.AccessHash,
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req.GA, req.KeyFingerprint, phoneCallProtocolFromTL(req.Protocol))
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if err != nil {
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if forcedDiscard {
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// g_a 揭示与承诺不符：通话已被强制终结，推送双方防状态机卡死。
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r.pushPhoneCallDiscardedBoth(ctx, call)
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return nil, callPeerInvalidErr()
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}
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return nil, phoneCallErr(err)
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}
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// 推被叫全部设备：phoneCall{g_a_or_b=GA}。实际只有接听设备持有本 call，
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// 其余设备按 call_id 不识别而静默忽略。
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r.pushPhoneCall(ctx, call.ParticipantID, call, "phone call confirmed")
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return &tg.PhonePhoneCall{
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PhoneCall: tgPhoneCallForViewer(call, userID), // 主叫视角：g_a_or_b = g_b
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Users: r.tgUsersForIDs(ctx, userID, []int64{call.AdminID, call.ParticipantID}),
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}, nil
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}
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func (r *Router) onPhoneDiscardCall(ctx context.Context, req *tg.PhoneDiscardCallRequest) (tg.UpdatesClass, error) {
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if req == nil {
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return nil, inputRequestInvalidErr()
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}
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if r.deps.Phone == nil {
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return nil, notImplementedErr()
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}
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userID, err := r.phoneRequireUser(ctx)
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if err != nil {
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return nil, err
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}
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reason := phoneCallDiscardReasonFromTL(req.Reason)
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call, already, err := r.deps.Phone.DiscardCall(ctx, userID, req.Peer.ID, req.Peer.AccessHash, reason, req.Duration)
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if err != nil {
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return nil, phoneCallErr(err)
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}
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if !already {
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// 对端全部设备 + 发起者其它设备（ctx except 排除发起设备，其结果在 RPC 响应里）。
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r.pushPhoneCallDiscardedBoth(ctx, call)
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// 落 messageActionPhoneCall 历史（带 pts 走 outbox，双方全部设备可靠收到）。
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r.sendPhoneCallServiceMessage(ctx, call)
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}
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// 双方同时挂断的竞态：先到者定 reason，后到者拿终态快照（幂等成功）。
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return r.phoneCallUpdates(ctx, call, userID), nil
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}
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func (r *Router) onPhoneSendSignalingData(ctx context.Context, req *tg.PhoneSendSignalingDataRequest) (bool, error) {
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if req == nil {
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return false, inputRequestInvalidErr()
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}
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if r.deps.Phone == nil {
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return false, notImplementedErr()
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}
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userID, err := r.phoneRequireUser(ctx)
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if err != nil {
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return false, err
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}
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if max := r.cfg.CallSignalingMaxBytes; max > 0 && len(req.Data) > max {
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return false, signalingDataInvalidErr()
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}
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// forward 在该通话的信令顺序锁内执行（连接层对同 session 的 RPC 是多 worker
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// 并发分发，无此锁则转发顺序可能与受理顺序不一致）；drop=true 的两种情况
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//（tombstone 尾包、超速率）都按契约静默返回 true——返回错误会让 TDesktop
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// 把正常挂断渲染成「通话失败」。
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drop, err := r.deps.Phone.Signal(ctx, userID, req.Peer.ID, req.Peer.AccessHash, func(peerUserID int64, peerDevice domain.SessionRef) {
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r.pushPhoneSignalingData(ctx, peerUserID, peerDevice, req.Peer.ID, req.Data)
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})
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if err != nil {
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return false, phoneCallErr(err)
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}
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_ = drop
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return true, nil
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}
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func (r *Router) onPhoneSetCallRating(ctx context.Context, req *tg.PhoneSetCallRatingRequest) (tg.UpdatesClass, error) {
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if req == nil {
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return nil, inputRequestInvalidErr()
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}
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if _, err := r.phoneRequireUser(ctx); err != nil {
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return nil, err
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}
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// 宽容校验：评分常在通话回收后才提交，miss 也成功。不推送任何人。
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return tgEmptyUpdates(int(r.clock.Now().Unix())), nil
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}
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func (r *Router) onPhoneSaveCallDebug(ctx context.Context, req *tg.PhoneSaveCallDebugRequest) (bool, error) {
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if req == nil {
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return false, inputRequestInvalidErr()
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}
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if _, err := r.phoneRequireUser(ctx); err != nil {
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return false, err
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}
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// 丢弃 debug JSON；phoneCallDiscarded 恒不置 need_debug，正常客户端不会主动上报。
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return true, nil
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}
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